US2934068A - Tow tampon - Google Patents
Tow tampon Download PDFInfo
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- US2934068A US2934068A US592978A US59297856A US2934068A US 2934068 A US2934068 A US 2934068A US 592978 A US592978 A US 592978A US 59297856 A US59297856 A US 59297856A US 2934068 A US2934068 A US 2934068A
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- United States
- Prior art keywords
- tampon
- filaments
- tow
- fibers
- tampons
- Prior art date
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Links
- 239000000835 fiber Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000002788 crimping Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009429 distress Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- UFFRSDWQMJYQNE-UHFFFAOYSA-N 6-azaniumylhexylazanium;hexanedioate Chemical compound [NH3+]CCCCCC[NH3+].[O-]C(=O)CCCCC([O-])=O UFFRSDWQMJYQNE-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241001398967 Colonia Species 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- DHZSIQDUYCWNSB-UHFFFAOYSA-N chloroethene;1,1-dichloroethene Chemical compound ClC=C.ClC(Cl)=C DHZSIQDUYCWNSB-UHFFFAOYSA-N 0.000 description 1
- GRFFKYTUNTWAGG-UHFFFAOYSA-N chloroethene;prop-2-enenitrile Chemical compound ClC=C.C=CC#N GRFFKYTUNTWAGG-UHFFFAOYSA-N 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
- A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
Definitions
- the present invention relates to tampons adapted for insertion into body cavities for the absorption and retention of body fluids and to methods of making the same. More particularly, the present invention is concerned with catamenial tampons adapted for insertion into the vagina for the absorption and retention of menstrual secretions.
- Tampons hitherto have been made primarily of cotton fibers or other cellulosic fibrous materials which have been packed into a normally cylindrically shaped container from which the tampons are adapted to be manualiy ejected and positioned inside a body cavity.
- a removal string or cord is customarily secured to the tampen and is of sufficient length that the free end thereof extends outwardly of the body cavity and is used for removing the tampon after use.
- the fibers of these prior art tampons are packed and worked together during their manufacture and intermesh or felt together into a firm, relatively unielding body whereby they lack conformability and adaptability to the shape and contour of the body cavity into which they are inserted. This, of course, creates an uncomfortable situation and further prevents complete blockage of the body orifice whereby lack of retention or" body liquids and leakage thereof result.
- the capillaries or the spaces between the fibers run in every different direction for varying, relatively short distances.
- the liquids initially contacted and absorbed by the tampon are conveyed through capillary or other action between the relatively short fibers in a discontinuous direction and disorderly fashion and sort of uncontrollably diffuse throughout the tampon whereby local conditions of oversaturation and unsaturation occur.
- the fibers have been packed and matted closely together during their manufacture into tampons, they resist opening-up or flaring within the body cavity whereby the capillaries or spaces between the fibers remain small and thus decrease the total fluid capacities of the tampons.
- these filaments extending as they do from one end of the tampon to the other, are more supple because of their greater length and possess excellent conformability and adaptability to the shape and contour of the body cavity into which they are inserted whereby they are not uncomfortable and also provide more complete blockage of the body cavity to prevent leakage of liquids therefrom.
- these long filaments extending from one end to the other end of the tampon create capillaries also extending from end to end whereby absorption and diffusion of liquids takes place therethrough in a continuous direction and in an orderly controlled fashion.
- these filaments are longer and are not packed or matted together too much during their process ing, they open up and flare to a greater degree whereby the capillaries increase in size and augment the total fluid capacity of the tampon.
- the improved tampons of the present invention are preferably manufactured by providing a tow of continuous substantially parallelized filaments of indefinite length, cutting the tow at spaced intervals equal to approximately twice the length of the desired tampon whereby substantially all of the filaments are cut to the same length, tying a removal cord or string to the approximate center of the cut length of tow whereby substantially all the filaments are bound together at their midpoints, folding the lengths of bound filaments approximately in half to form a tampon, and inserting said cut, bound and folded tampons into hollow cylindrical containers or tubes with the removal cords extending outwardly therefrom whereby the individual tampons may be ejected from the container by a suitable plunger and positioned in a body cavity for use therein.
- Fig. 1 is a perspective showing of the improved tampon and applicator therefor of the present invention
- Eig. 2 is a cross-sectional view of the tampon shown in Fig. 1, said view being taken through a diameter of the tampon applicator in the direction 2-2; and
- Fig. 3 is a detail drawing showing the absorbent portion of the tampon and its removal cord orstring.
- the article of manufacture 10 of the present inven tion comprises a hollow cylindrical container or tube 12 and a hollow cylindrical ejector or plunger 14 adapted to slidewithin the cylindrical container 12.
- the absorbent tampon portion 16 of the article 10 comprises filaments substantially all of which have a length approximately twice the length of the tampon 16 and wherein substan-. tially all of the filaments are folded at their midpoints to form two legs 18, 20 of approximately equal lengths.
- a removal cord orstring 22 is provided'and binds the filamerits at their approximate midpoints by means of a hnot 24.
- tion 16 is inserted in doubled-up form in the container 12 with the removal string 22 extending outwardly there from throughthe ejector or plunger 14. It will be appreciated that movement of the plunger 14 to the left, as viewed in Figs. 1 and 2, will eject the tampon 16' outwardly to be inserted and positioned in a body caviy to itself to the shape and contour of the body cavity.
- This opening-up and flaring of the tampon 16 is also aided to a considerable extent by the resistance offered by the Walls of the vagina to the entry and positioning of the tampon, as well as bythe pressure exerted'by the weight ofthe body on thev surfaces; of the tampon. All of these factors mutually contribute to they re-shaping of the tampon from its originally cylindrical shape to a form more closely resembling a flattened fish-tail.
- the filamentary materials of which the absorbent portion 16 is made areoriginally manufactured in continuouslengths suitable for severing into shorter lengths approximately equalto twice the lentgh of the absorbent portion 16.
- Such materials include Dacron (polymeric polyester condensation products of glycols and dicarboxylic acids, such as polyethylene terephthalate), nylon (polymerization products of diarnines and dicarboxylic acids such as ofhexamethylenediamine and adipic acid or obtainable from caprolactam converted into fibers by the melt-spinning process), rayon (regenerated cellulose from the viscose' or cupraammonium processes), cellulose esters (such as cellulose acetate) vinyl fibers (such a's'polymeric vinyl'chloride-vinyl acetate), acrylic fibers (suchas polymeric vinyl chloride-acrylonitrile and polyacrylonitrilc), saran (such as polymeric vinyl chloridevihylidene chloride and polyvinylidene chloride), poly
- the range of filament sizes may vary'from about 2 to about 4 denier.
- the absorbent tampon por tow used as the starting material will vary and will depend to a great extentupon the denier of the individual filaments used and upon the diameterof the tampon. For the smaller. Junior sizes using a largerfilament denier, as low as about 17,000 filaments is found utilizable whereas with the larger Super sizes using a smaller filament denier, as high as about 500,000 filaments is found utilizable. Within the more generally acceptable commercial range, however, it has been found that from about 40,000 to about 200,000 filaments per tow is acceptnble. b
- crimping orcurling of these filaments adds greatly to the absorbency and'fiuid-retain ing capacity of the tampons. Such crimping is more efficiently carried out before the filaments are cut into the desired lengths from the tow. Such crimps may have a frequency of from about l-2 per inch up to 25-30 crinips per inch. I
- the crimping ofthe filaments maybe accomplished by any one of the lcnown' filament crimping devices now familiar to'the art.
- One of such devices comprises a pair of heated intermeshing gears having a tooth clearance very slightly'greater than the diameter of the filament and between which the filament is passed.
- the resultingfil' merit assumes a heat-set crimped' wave which is some what generally'sinusoidal in appearance.
- Tampons are prepared from nylon (adipic acid-hexamethylenediamine) continuous tow'(semi-dul1) (152,000
- denier having a crimp ofabout 15- per inch'and' con- 1 taining filaments of about 3 denier each as the starting material.
- the tampons are prepared byrcutting the tow in lengthsoriginally about 4 /2 inches long which, after folding and tying at their midpointswith removal strings,
- the fluid absorbed ranged up to. about 16' cc. with an average of ah u fi ci Tampons are prepared" from Dacron (polyethylene terephthate polyester condensation product) continuous tow (385,000 denier) having a crimp off about 24 per inch and containing filaments of 1 /2 denier as the starting materials.
- the tampons are prepared by cutting the tow in.4 /2' inch lengths, tyingat the center. with a removal cord and folding in two to about 2% inches long. The weight of such tampons is about 49-50 grains.
- the fluid absorbed by such tampons ranged up to 15.4 cc. with an average of about 8.cc.
- the removal strings are adaptable to being tied to the tow at spaced intervals first, prior to the severing step, or, ifso desired, both steps of tying and cutting are capable of being accomplished sub stantially simultaneously.
- the tow may be given a slight twist of a fraction of a turn or more per inch which holds the tow together better during the handling thereof but which nevertheless permits the capillaries to extend from one end of the tampon to the other, although this time possessing somewhat of a helical configuration.
- a catamenial device comprising an outer tube, an inner tube slideably positioned therein, a catamenial tampon positioned in an end of said outer tube and being ejectable therefrom by moving said inner tube towards said tampon, said tampon comprising synthetic filaments substantially all of which have a length approximately twice the length of the tampon and which extend from one end of the tampon to the other end thereof with substantially no short fibers or loose fibrous ends intermediate the ends of the tampon, said filaments being folded at their mid-points and lined in contiguous relationship forming capillaries which extend from one end of the tampon to the other end thereof, a removal string binding substantially all of said filaments at their folded mid-points, said tampon being positioned within said outer tube with the folded end in the interior thereof adjacent an end of said inner tube and the opposite end adjacent the open end of said outer tube, said filaments being free at the end opposite said folded end to permit said tampon to flare open upon ejection from said
- a device according to claim 1 wherein the filaments pursue a substantially helical path.
- a device according to claim 1 wherein the synthetic filaments comprise a diamine-dicarboxylic acid polyarnide polymerization product.
- a device according to claim 1 wherein the synthetic filaments comprise a glycol-dicarboxylic acid polyester polymerization product.
- a device according to claim 1 wherein the synthetic filaments comprise a vinylchloride-vinylidene chloride polymerization product.
Description
Aprii 19% G. c. GRAHAM, JR, ETAL 2,934,068
TOW TAMPON Filed June 21, 1956 United tates atent TOW TAlVIPON George C. Graham, Jr., Colonia, and Vincent H. Barlow,
Plainfield, N.J., assignors to Personal Products Corporation, a corporation of New Jersey Application June 21, 1956, Serial No. 592,978
7 Claims. (Cl. 128-263) The present invention relates to tampons adapted for insertion into body cavities for the absorption and retention of body fluids and to methods of making the same. More particularly, the present invention is concerned with catamenial tampons adapted for insertion into the vagina for the absorption and retention of menstrual secretions.
Tampons hitherto have been made primarily of cotton fibers or other cellulosic fibrous materials which have been packed into a normally cylindrically shaped container from which the tampons are adapted to be manualiy ejected and positioned inside a body cavity. A removal string or cord is customarily secured to the tampen and is of sufficient length that the free end thereof extends outwardly of the body cavity and is used for removing the tampon after use.
in the use of such tampons and particularly during the withdrawal thereof, some of the fibers tend to become loosened from the tampon itself and slough off whereby they remain in the body cavity after the tampon has been withdrawn. Unless such fibers are removed relatively promptly, irritation and objectionable odors tend to develop in the body cavity to the distress and embarrassment of the user of the tampon.
Additionally, the fibers of these prior art tampons are packed and worked together during their manufacture and intermesh or felt together into a firm, relatively unielding body whereby they lack conformability and adaptability to the shape and contour of the body cavity into which they are inserted. This, of course, creates an uncomfortable situation and further prevents complete blockage of the body orifice whereby lack of retention or" body liquids and leakage thereof result.
Furthermore, due to the relatively short staple length of the cotton or other cellulosic fibers employed and the resulting intermatting and felting during the processing thereof, the capillaries or the spaces between the fibers run in every different direction for varying, relatively short distances. As a result, the liquids initially contacted and absorbed by the tampon are conveyed through capillary or other action between the relatively short fibers in a discontinuous direction and disorderly fashion and sort of uncontrollably diffuse throughout the tampon whereby local conditions of oversaturation and unsaturation occur.
Finally, since the fibers have been packed and matted closely together during their manufacture into tampons, they resist opening-up or flaring within the body cavity whereby the capillaries or spaces between the fibers remain small and thus decrease the total fluid capacities of the tampons.
it is a principal purpose of the present invention to provide an improved tampon in which the tendency of the individual fibers or filaments thereof to become loosened and to slough off during use and/ or withdrawal is inhibited.
It is a further principal purpose of the present invention to provide an improved tampon which will be more resiliently conformable and adaptable to the shape and contour of the body cavity into which the tampon is inserted to provide more complete blockage thereof and to prevent discomfort and distress to the user.
It is a still further principal purpose of the present invention to provide an improved tampon in which the capillaries or spaces between the fibers or filaments are substantially parallelized and of substantially the full length of the tampon to provide a more continuous and more orderly control over the absorption and diffusion of body liquids into the tampon.
It is another principal purpose of the present invention to provide an improved tampon which will tend to open-up and flare desirably within the body cavity in which it is inserted whereby the capillaries increase in size to increase the total liquid absorption and retention characteristics of the tampon.
It is still another principal purpose of the present invention to provide methods of manufacturing such improved tampons.
it has been discovered that the above-described objectionable features and disadvantages of prior art tampons may be avoided and the above-mentioned desirable purposes and advantages may be realized by providing a tampon wherein substantially all the fibers or filaments extend continuously from one end of the tampon to the other end of the tampon whereby short fibers and loose ends are avoided and wherein the possibility of their breaking and sloughing off is reduced.
Additionally, these filaments, extending as they do from one end of the tampon to the other, are more supple because of their greater length and possess excellent conformability and adaptability to the shape and contour of the body cavity into which they are inserted whereby they are not uncomfortable and also provide more complete blockage of the body cavity to prevent leakage of liquids therefrom.
Furthermore, these long filaments extending from one end to the other end of the tampon create capillaries also extending from end to end whereby absorption and diffusion of liquids takes place therethrough in a continuous direction and in an orderly controlled fashion.
Finally, since these filaments are longer and are not packed or matted together too much during their process ing, they open up and flare to a greater degree whereby the capillaries increase in size and augment the total fluid capacity of the tampon.
The improved tampons of the present invention are preferably manufactured by providing a tow of continuous substantially parallelized filaments of indefinite length, cutting the tow at spaced intervals equal to approximately twice the length of the desired tampon whereby substantially all of the filaments are cut to the same length, tying a removal cord or string to the approximate center of the cut length of tow whereby substantially all the filaments are bound together at their midpoints, folding the lengths of bound filaments approximately in half to form a tampon, and inserting said cut, bound and folded tampons into hollow cylindrical containers or tubes with the removal cords extending outwardly therefrom whereby the individual tampons may be ejected from the container by a suitable plunger and positioned in a body cavity for use therein.
in the accompanying drawing and following specification, there is illustrated and described a preferred design of tampon embodying the inventive concept but it is to be understood that the invention is not to be considered limited to the construction disclosed except as determined by the scope of the appended claims. In the drawing,
Fig. 1 is a perspective showing of the improved tampon and applicator therefor of the present invention Eig. 2 is a cross-sectional view of the tampon shown in Fig. 1, said view being taken through a diameter of the tampon applicator in the direction 2-2; and
Fig. 3 is a detail drawing showing the absorbent portion of the tampon and its removal cord orstring. In theembodiment of the invention shown in the drawing, the article of manufacture 10 of the present inven tion comprises a hollow cylindrical container or tube 12 and a hollow cylindrical ejector or plunger 14 adapted to slidewithin the cylindrical container 12. The absorbent tampon portion 16 of the article 10 comprises filaments substantially all of which have a length approximately twice the length of the tampon 16 and wherein substan-. tially all of the filaments are folded at their midpoints to form two legs 18, 20 of approximately equal lengths. A removal cord orstring 22 is provided'and binds the filamerits at their approximate midpoints by means of a hnot 24.
As shown in Figs. 1 tion 16 is inserted in doubled-up form in the container 12 with the removal string 22 extending outwardly there from throughthe ejector or plunger 14. It will be appreciated that movement of the plunger 14 to the left, as viewed in Figs. 1 and 2, will eject the tampon 16' outwardly to be inserted and positioned in a body caviy to itself to the shape and contour of the body cavity.
This opening-up and flaring of the tampon 16 is also aided to a considerable extent by the resistance offered by the Walls of the vagina to the entry and positioning of the tampon, as well as bythe pressure exerted'by the weight ofthe body on thev surfaces; of the tampon. All of these factors mutually contribute to they re-shaping of the tampon from its originally cylindrical shape to a form more closely resembling a flattened fish-tail.
T The filamentary materials of which the absorbent portion 16 is made areoriginally manufactured in continuouslengths suitable for severing into shorter lengths approximately equalto twice the lentgh of the absorbent portion 16. Such materials include Dacron (polymeric polyester condensation products of glycols and dicarboxylic acids, such as polyethylene terephthalate), nylon (polymerization products of diarnines and dicarboxylic acids such as ofhexamethylenediamine and adipic acid or obtainable from caprolactam converted into fibers by the melt-spinning process), rayon (regenerated cellulose from the viscose' or cupraammonium processes), cellulose esters (such as cellulose acetate) vinyl fibers (such a's'polymeric vinyl'chloride-vinyl acetate), acrylic fibers (suchas polymeric vinyl chloride-acrylonitrile and polyacrylonitrilc), saran (such as polymeric vinyl chloridevihylidene chloride and polyvinylidene chloride), polyethylene andfluorinated polyethylene fibers, glass fibers. protein fibers, silk, and the like.
It is to be noted that all these filaments and fibers are capableof existence in continuous form of great length andit' is to this feature that all owe their applicability to the present' inventive concept. Shorter fibers such as cotton and other cellnlosic fibers which exist in staple lengths-of an inch or two are wholly inapplicable to the present invention. The sizes of the particular filaments mayvary up to about denier andmay be as low as'about 1 denier, or
i even; as low as about 0.1 denier wherever the higher cost of such small filaments is. not too objectionable. Within the more commercial aspects of the present invention, however, the range of filament sizes may vary'from about 2 to about 4 denier.
- The number of-filanients or ends in the particular and 2, the absorbent tampon por tow used as the starting material will vary and will depend to a great extentupon the denier of the individual filaments used and upon the diameterof the tampon. For the smaller. Junior sizes using a largerfilament denier, as low as about 17,000 filaments is found utilizable whereas with the larger Super sizes using a smaller filament denier, as high as about 500,000 filaments is found utilizable. Within the more generally acceptable commercial range, however, it has been found that from about 40,000 to about 200,000 filaments per tow is acceptnble. b
It has been found that crimping orcurling of these filaments adds greatly to the absorbency and'fiuid-retain ing capacity of the tampons. Such crimping is more efficiently carried out before the filaments are cut into the desired lengths from the tow. Such crimps may have a frequency of from about l-2 per inch up to 25-30 crinips per inch. I
The crimping ofthe filaments maybe accomplished by any one of the lcnown' filament crimping devices now familiar to'the art. One of such devices comprises a pair of heated intermeshing gears having a tooth clearance very slightly'greater than the diameter of the filament and between which the filament is passed. The resultingfil' merit assumes a heat-set crimped' wave which is some what generally'sinusoidal in appearance.
. The invention will be further illustrated in greater detail by the following specific examples. It should be 11114 derstood, however, thatalthough these examples may describe in particular detail someof the more specific featuresof the invention, they are given primarily for purposes of illustration and the invention in its broader aspects is not to be construed as limited thereto.
Tampons are prepared from nylon (adipic acid-hexamethylenediamine) continuous tow'(semi-dul1) (152,000
, denier) having a crimp ofabout 15- per inch'and' con- 1 taining filaments of about 3 denier each as the starting material. The tampons are prepared byrcutting the tow in lengthsoriginally about 4 /2 inches long which, after folding and tying at their midpointswith removal strings,
.mally used for periods ranging from 1% to 3% hours,
the average use. time being 2% hours; The fluid absorbed ranged up to. about 16' cc. with an average of ah u fi ci Tampons are prepared" from Dacron (polyethylene terephthate polyester condensation product) continuous tow (385,000 denier) having a crimp off about 24 per inch and containing filaments of 1 /2 denier as the starting materials. The tamponsare prepared by cutting the tow in.4 /2' inch lengths, tyingat the center. with a removal cord and folding in two to about 2% inches long. The weight of such tampons is about 49-50 grains. Such tampons'are positioned in applicators and inserted in body cavities by-ejectors shown in the drawings and used with complete satisfaction, comfort and ease. The fluid absorbed by such tampons ranged up to 15.4 cc. with an average of about 8.cc.
Al h gh the e amp es nd t or goi g sp fi tion are directed to the preferred manufacturing method Qtut ng h e ed. e s. fr m h tow p or to y g. it isto be appreciated that the removal strings are adaptable to being tied to the tow at spaced intervals first, prior to the severing step, or, ifso desired, both steps of tying and cutting are capable of being accomplished sub stantially simultaneously. a
' Although the invention has been described primarily with doubled-up tow, it is. to be appreciated that the starting material'could be tow ,of' approximately twice the total denier or ends hereinbefore, described, whereby it could be cut into lengths exactly equal to'the length of the tampon and placed directly in undoubled form in the cylindrical container. Such tampons are similarly satisfactorily used but present problems in the commercial production thereof due to the difliculty of satisfactorily securing the removal cord or string permanently to the tampon and avoiding the possibility of its slipping loose during the removal thereof from the body cavity.
It has been found in such cases that a small amount of adhesive, or a solvent for the filaments used in the tampon, or heat and/or pressure will soften and coalesce the filaments so that the removal string may be permanently secured to the tow of filaments whereby the possibility of its slipping loose is prevented.
It is also to be appreciated that, although the invention has been described with filaments which are all substantially parallelized and wherein the capillaries extend in substantially straight lines, the tow may be given a slight twist of a fraction of a turn or more per inch which holds the tow together better during the handling thereof but which nevertheless permits the capillaries to extend from one end of the tampon to the other, although this time possessing somewhat of a helical configuration.
While we have shown and described what we believe to be a preferred embodiment of the invention in the matter of simplicity of construction, ease of utilization, etc., it will be appreciated that the details of such construction may be more or less modified within the scope of the claims without departure from the principles of construction or material sacrifice of the advantages of the preferred design.
We claim:
1. A catamenial device comprising an outer tube, an inner tube slideably positioned therein, a catamenial tampon positioned in an end of said outer tube and being ejectable therefrom by moving said inner tube towards said tampon, said tampon comprising synthetic filaments substantially all of which have a length approximately twice the length of the tampon and which extend from one end of the tampon to the other end thereof with substantially no short fibers or loose fibrous ends intermediate the ends of the tampon, said filaments being folded at their mid-points and lined in contiguous relationship forming capillaries which extend from one end of the tampon to the other end thereof, a removal string binding substantially all of said filaments at their folded mid-points, said tampon being positioned within said outer tube with the folded end in the interior thereof adjacent an end of said inner tube and the opposite end adjacent the open end of said outer tube, said filaments being free at the end opposite said folded end to permit said tampon to flare open upon ejection from said outer tube.
2. A device according to claim 1 wherein the synthetic filaments are crimped.
3. A device according to claim 1 wherein the synthetic filaments are substantially parallelized.
4. A device according to claim 1 wherein the filaments pursue a substantially helical path.
5. A device according to claim 1 wherein the synthetic filaments comprise a diamine-dicarboxylic acid polyarnide polymerization product.
6. A device according to claim 1 wherein the synthetic filaments comprise a glycol-dicarboxylic acid polyester polymerization product.
7. A device according to claim 1 wherein the synthetic filaments comprise a vinylchloride-vinylidene chloride polymerization product.
References Cited in the file of this patent UNITED STATES PATENTS 1,234,383 Pond July 24, 1917 2,057,206 Pohl Oct. 13, 1936 2,369,395 Heymann Feb. 13, 1945 2,508,214 Biederman May 16, 1950 2,715,309 Rosenstein et al Aug. 16, 1955 2,761,449 Bletzinger Sept. 4, 1956 FOREIGN PATENTS 431,880 Italy Mar. 8, 1948
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US592978A US2934068A (en) | 1956-06-21 | 1956-06-21 | Tow tampon |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US592978A US2934068A (en) | 1956-06-21 | 1956-06-21 | Tow tampon |
Publications (1)
Publication Number | Publication Date |
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US2934068A true US2934068A (en) | 1960-04-26 |
Family
ID=24372850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US592978A Expired - Lifetime US2934068A (en) | 1956-06-21 | 1956-06-21 | Tow tampon |
Country Status (1)
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US (1) | US2934068A (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3138159A (en) * | 1961-02-15 | 1964-06-23 | Johnson & Johnson | Absorbent product |
US3177872A (en) * | 1962-11-23 | 1965-04-13 | Eastman Kodak Co | Vaginal tampon and applicator |
US3317367A (en) * | 1963-04-12 | 1967-05-02 | Du Pont | Hydrophobic fiber structure with interconnected non-fibrous hydrophilic network |
US3320956A (en) * | 1964-11-24 | 1967-05-23 | Johnson & Johnson | Catamenial tampon and method of making |
US3344789A (en) * | 1964-12-29 | 1967-10-03 | Azur Associates | Diaper with film enclosed absorbent |
US3674025A (en) * | 1970-04-14 | 1972-07-04 | Keith T Bleuer | Tampon assembly |
US3814469A (en) * | 1971-03-30 | 1974-06-04 | Hahn Carl Dr Gmbh | Method of and apparatus for looping tape around tampons |
US3885563A (en) * | 1974-06-10 | 1975-05-27 | Kimberly Clark Co | Spreadable tampon and inserter combination |
US4335721A (en) * | 1981-02-17 | 1982-06-22 | Kimberly-Clark Corporation | Tampon containing fusible portions |
EP0423330A1 (en) * | 1988-01-22 | 1991-04-24 | SHIMATANI, Sumie | Tampon |
US5061274A (en) * | 1989-12-04 | 1991-10-29 | Kensey Nash Corporation | Plug device for sealing openings and method of use |
US5192302A (en) * | 1989-12-04 | 1993-03-09 | Kensey Nash Corporation | Plug devices for sealing punctures and methods of use |
US5364383A (en) * | 1993-03-26 | 1994-11-15 | Tambrands, Inc. | Tampon |
US5431639A (en) * | 1993-08-12 | 1995-07-11 | Boston Scientific Corporation | Treating wounds caused by medical procedures |
US5620461A (en) * | 1989-05-29 | 1997-04-15 | Muijs Van De Moer; Wouter M. | Sealing device |
WO2000078260A1 (en) * | 1999-06-18 | 2000-12-28 | The Procter & Gamble Company | Tampon with a tampon applicator |
WO2000078261A1 (en) * | 1999-06-18 | 2000-12-28 | The Procter & Gamble Company | Method of providing side-to-side coverage with a tampon |
US6450986B1 (en) * | 2000-06-19 | 2002-09-17 | Mcneil-Ppc, Inc. | Tampon applicator having outwardly flared rim |
US20040098044A1 (en) * | 1989-05-29 | 2004-05-20 | Van De Moer Wouter Matthijs Muijs | Sealing device |
USD492033S1 (en) | 2003-04-04 | 2004-06-22 | Playtex Products, Inc. | Tampon applicator assembly |
US6814722B2 (en) | 2000-03-06 | 2004-11-09 | Playtex Products, Inc. | Pre-expanded tampon pledget |
US20050070839A1 (en) * | 2001-06-28 | 2005-03-31 | Playtex Products, Inc. | Tampon applicator |
US20060212055A1 (en) * | 2005-01-25 | 2006-09-21 | Karabey Halil I | Expandable occlusive structure |
US20060282159A1 (en) * | 2003-11-17 | 2006-12-14 | Taheri Syde A | Temporary absorbable venous occlusive stent and superficial vein treatment method |
US20070135842A1 (en) * | 1991-10-22 | 2007-06-14 | Kensey Nash Corporation | Sealing device |
US20070248640A1 (en) * | 2006-04-20 | 2007-10-25 | Karabey Halil I | Occlusive implant and methods for hollow anatomical structure |
US20070255232A1 (en) * | 2001-10-16 | 2007-11-01 | Bernard Chaffringeon | Disposable device and method for transferring an active liquid into a body cavity |
US20100082056A1 (en) * | 2008-04-04 | 2010-04-01 | Akshay Mavani | Implantable fistula closure device |
US20100249828A1 (en) * | 2008-09-04 | 2010-09-30 | Akshay Mavani | Inflatable device for enteric fistula treatement |
US9131941B2 (en) | 2011-06-17 | 2015-09-15 | Curaseal Inc. | Fistula treatment devices and methods |
US9211116B2 (en) | 2011-06-16 | 2015-12-15 | Curaseal Inc. | Fistula treatment devices and related methods |
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US1234383A (en) * | 1916-11-17 | 1917-07-24 | Edmund Morse Pond | Medicated tampon. |
US2057206A (en) * | 1933-10-31 | 1936-10-13 | Meyer S Marks | Hygienic catamenial tampon |
US2369395A (en) * | 1942-01-21 | 1945-02-13 | American Viscose Corp | Yarnlike structure |
US2508214A (en) * | 1948-04-17 | 1950-05-16 | Joseph B Biederman | Catamenial device and surgical pad |
US2715309A (en) * | 1950-05-31 | 1955-08-16 | Rosenstein Nathan | Synthetic continuous filament yarn in the continuous filament yarn state |
US2761449A (en) * | 1954-12-17 | 1956-09-04 | Kimberly Clark Co | Cellulosic product |
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US1234383A (en) * | 1916-11-17 | 1917-07-24 | Edmund Morse Pond | Medicated tampon. |
US2057206A (en) * | 1933-10-31 | 1936-10-13 | Meyer S Marks | Hygienic catamenial tampon |
US2369395A (en) * | 1942-01-21 | 1945-02-13 | American Viscose Corp | Yarnlike structure |
US2508214A (en) * | 1948-04-17 | 1950-05-16 | Joseph B Biederman | Catamenial device and surgical pad |
US2715309A (en) * | 1950-05-31 | 1955-08-16 | Rosenstein Nathan | Synthetic continuous filament yarn in the continuous filament yarn state |
US2761449A (en) * | 1954-12-17 | 1956-09-04 | Kimberly Clark Co | Cellulosic product |
Cited By (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3138159A (en) * | 1961-02-15 | 1964-06-23 | Johnson & Johnson | Absorbent product |
US3177872A (en) * | 1962-11-23 | 1965-04-13 | Eastman Kodak Co | Vaginal tampon and applicator |
US3317367A (en) * | 1963-04-12 | 1967-05-02 | Du Pont | Hydrophobic fiber structure with interconnected non-fibrous hydrophilic network |
US3320956A (en) * | 1964-11-24 | 1967-05-23 | Johnson & Johnson | Catamenial tampon and method of making |
US3344789A (en) * | 1964-12-29 | 1967-10-03 | Azur Associates | Diaper with film enclosed absorbent |
US3674025A (en) * | 1970-04-14 | 1972-07-04 | Keith T Bleuer | Tampon assembly |
US3814469A (en) * | 1971-03-30 | 1974-06-04 | Hahn Carl Dr Gmbh | Method of and apparatus for looping tape around tampons |
US3885563A (en) * | 1974-06-10 | 1975-05-27 | Kimberly Clark Co | Spreadable tampon and inserter combination |
US4335721A (en) * | 1981-02-17 | 1982-06-22 | Kimberly-Clark Corporation | Tampon containing fusible portions |
EP0423330A1 (en) * | 1988-01-22 | 1991-04-24 | SHIMATANI, Sumie | Tampon |
EP0423330A4 (en) * | 1988-01-22 | 1991-06-19 | Shimatani, Sumie | Tampon |
US7169168B2 (en) | 1989-05-29 | 2007-01-30 | Kensey Nash Corporation | Sealing device |
US20040098044A1 (en) * | 1989-05-29 | 2004-05-20 | Van De Moer Wouter Matthijs Muijs | Sealing device |
US5620461A (en) * | 1989-05-29 | 1997-04-15 | Muijs Van De Moer; Wouter M. | Sealing device |
US5061274A (en) * | 1989-12-04 | 1991-10-29 | Kensey Nash Corporation | Plug device for sealing openings and method of use |
US5192302A (en) * | 1989-12-04 | 1993-03-09 | Kensey Nash Corporation | Plug devices for sealing punctures and methods of use |
WO1993007813A1 (en) * | 1989-12-04 | 1993-04-29 | Kensey Nash Corporation | Plug device for sealing openings and method of use |
US20070135842A1 (en) * | 1991-10-22 | 2007-06-14 | Kensey Nash Corporation | Sealing device |
US5364383A (en) * | 1993-03-26 | 1994-11-15 | Tambrands, Inc. | Tampon |
US5431639A (en) * | 1993-08-12 | 1995-07-11 | Boston Scientific Corporation | Treating wounds caused by medical procedures |
US6270470B1 (en) | 1999-06-18 | 2001-08-07 | The Procter & Gamble Company | Method of providing side-to-side coverage with a tampon |
JP2003502112A (en) * | 1999-06-18 | 2003-01-21 | ザ、プロクター、エンド、ギャンブル、カンパニー | Tampon with tampon applicator |
WO2000078261A1 (en) * | 1999-06-18 | 2000-12-28 | The Procter & Gamble Company | Method of providing side-to-side coverage with a tampon |
WO2000078260A1 (en) * | 1999-06-18 | 2000-12-28 | The Procter & Gamble Company | Tampon with a tampon applicator |
US20100160886A1 (en) * | 2000-03-06 | 2010-06-24 | Playtex Products, Inc. | Pre-expanded tampon pledget |
US6814722B2 (en) | 2000-03-06 | 2004-11-09 | Playtex Products, Inc. | Pre-expanded tampon pledget |
US6450986B1 (en) * | 2000-06-19 | 2002-09-17 | Mcneil-Ppc, Inc. | Tampon applicator having outwardly flared rim |
US20020188283A1 (en) * | 2000-06-19 | 2002-12-12 | Curt Binner | Tampon applicator having outwardly flared rim |
US6936211B2 (en) | 2000-06-19 | 2005-08-30 | Mcneil-Ppc, Inc. | Tampon applicator having outwardly flared rim |
US6890324B1 (en) | 2001-06-28 | 2005-05-10 | Playtex Products, Inc. | Tampon applicator |
US20050070839A1 (en) * | 2001-06-28 | 2005-03-31 | Playtex Products, Inc. | Tampon applicator |
US20070255232A1 (en) * | 2001-10-16 | 2007-11-01 | Bernard Chaffringeon | Disposable device and method for transferring an active liquid into a body cavity |
USD492033S1 (en) | 2003-04-04 | 2004-06-22 | Playtex Products, Inc. | Tampon applicator assembly |
US20060282159A1 (en) * | 2003-11-17 | 2006-12-14 | Taheri Syde A | Temporary absorbable venous occlusive stent and superficial vein treatment method |
US20060282158A1 (en) * | 2003-11-17 | 2006-12-14 | Taheri Syde A | Temporary absorbable venous occlusive stent and superficial vein treatment method |
US20110172695A1 (en) * | 2005-01-25 | 2011-07-14 | Tyco Healthcare Group, L.P. | Method and apparatus for implanting an occlusive structure |
US8968353B2 (en) | 2005-01-25 | 2015-03-03 | Covidien Lp | Method and apparatus for impeding migration of an implanted occlusive structure |
US20060212055A1 (en) * | 2005-01-25 | 2006-09-21 | Karabey Halil I | Expandable occlusive structure |
US20090159088A1 (en) * | 2005-01-25 | 2009-06-25 | Karabey Halil I | Method for permanent occlusion of fallopian tube |
US8262695B2 (en) | 2005-01-25 | 2012-09-11 | Tyco Healthcare Group Lp | Structures for permanent occlusion of a hollow anatomical structure |
US20060229668A1 (en) * | 2005-01-25 | 2006-10-12 | Anna Prestezog | Method and apparatus for impeding migration of an implanted occlusive structure |
US8333201B2 (en) | 2005-01-25 | 2012-12-18 | Covidien Lp | Method for permanent occlusion of fallopian tube |
US8333786B2 (en) * | 2005-01-25 | 2012-12-18 | Covidien Lp | Method and apparatus for implanting an occlusive structure |
US7972354B2 (en) * | 2005-01-25 | 2011-07-05 | Tyco Healthcare Group Lp | Method and apparatus for impeding migration of an implanted occlusive structure |
US20060212127A1 (en) * | 2005-01-25 | 2006-09-21 | Karabey Halil I | Structures for permanent occlusion of a hollow anatomical structure |
US8011370B2 (en) | 2005-01-25 | 2011-09-06 | Tyco Healthcare Group Lp | Method for permanent occlusion of fallopian tube |
US9017350B2 (en) | 2005-01-25 | 2015-04-28 | Covidien Lp | Expandable occlusive structure |
US9017361B2 (en) | 2006-04-20 | 2015-04-28 | Covidien Lp | Occlusive implant and methods for hollow anatomical structure |
US20070248640A1 (en) * | 2006-04-20 | 2007-10-25 | Karabey Halil I | Occlusive implant and methods for hollow anatomical structure |
US20100082056A1 (en) * | 2008-04-04 | 2010-04-01 | Akshay Mavani | Implantable fistula closure device |
US20100249828A1 (en) * | 2008-09-04 | 2010-09-30 | Akshay Mavani | Inflatable device for enteric fistula treatement |
US8221451B2 (en) | 2008-09-04 | 2012-07-17 | Curaseal Inc. | Inflatable device for enteric fistula treatment |
US8377094B2 (en) | 2008-09-04 | 2013-02-19 | Curaseal Inc. | Enteric fistula treatment devices |
US8206416B2 (en) | 2008-09-04 | 2012-06-26 | Curaseal Inc. | Inflatable device for enteric fistula treatment |
US8177809B2 (en) | 2008-09-04 | 2012-05-15 | Curaseal Inc. | Inflatable device for enteric fistula treatment |
US20100249827A1 (en) * | 2008-09-04 | 2010-09-30 | Akshay Mavani | Inflatable device for enteric fistula treatment |
US9993235B2 (en) | 2008-09-04 | 2018-06-12 | Curaseal Inc. | Enteric fistula treatment devices |
US9211116B2 (en) | 2011-06-16 | 2015-12-15 | Curaseal Inc. | Fistula treatment devices and related methods |
US9131941B2 (en) | 2011-06-17 | 2015-09-15 | Curaseal Inc. | Fistula treatment devices and methods |
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