US3279675A - Spirally wound container body - Google Patents

Spirally wound container body Download PDF

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US3279675A
US3279675A US393538A US39353864A US3279675A US 3279675 A US3279675 A US 3279675A US 393538 A US393538 A US 393538A US 39353864 A US39353864 A US 39353864A US 3279675 A US3279675 A US 3279675A
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Prior art keywords
ply
liner
liner ply
helical
marginal portion
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US393538A
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Elam William Binford
Jensen Stephen Frederick
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Primerica Inc
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American Can Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper

Definitions

  • the present invention relates generally to spirally wound fibre container bodies, and more particularly to improved helical joints for suchbodies and to an improver method of making the same.
  • Another object is to provide such a container body wherein the helical liner ply joint extends radially inwardly from the liner ply to prevent any outwardly extending depressions or cavities in the liner ply through which fluids within the container might travel and possibly leak through the end seams thereof.
  • a further object is the provision of an improved method of making such a leak-proof, spirally wound container body.
  • FIGURE 1 is a perspective view of a composite, spirally wound container embodying the principles of the instant invention
  • FIG. 2 is an enlarged sectional view taken substantially along line 22 in FIG. 1;
  • FIGS. 3 and 4 are fragmentary sectional details showing in successive stages how the liner ply is prelaminated to the inner body ply in accordance with the method of the instant invention
  • FIG. 5 is a sectional view similar to FIG. 2, showing a modified form of impervious helical liner ply joint;
  • FIG. 6 is a sectional view similar to FIG. 2, showing another modified form of impervious helical liner ply joint.
  • FIG. 1 illustrates a composite container 10 which is formed with a cylindrical, spirally wound body 12 having its opposite ends closed by top and bottom imperforate end members 14 and 16, respectively, which are secured thereto in. fluid-tight end seams 18 which may be of any suitable type, such as crimped single seams of the type disclosed in United States Patent 1,920,504 or interfolded double seams of the type disclosed in United States Patent 2,633,095.
  • the container body 12 of FIGS. 1 and 2 is formed of a plurality of plies of material which are helically wound around a winding mandrel (not shown) to form a continuous tube which is subdivided into short sections of uniform length, each of which forms a body 12.
  • the body 12 is formed of four helically wound plies, the mutually contacting surfaces of which are secured together by suitable adhesives (not shown) in order to form a solid, integral body structure.
  • plies comprise an exterior label ply 20, an outer main fibre body ply 22, an inner main fibre body ply 24, and a liner ply 26.
  • the number of plies obviously may be varied to meet various packaging requirements.
  • the helically disposed edges of the outer main body ply 22 are preferably disposed in abutting relationship 3,279,675 Patented Oct. 18, 1966 to form a helical butt joint 28.
  • the label ply 20 preferably comprises an outer layer 30 of a thin impervious material such as an aluminum foil or plastic which is prelaminated to an inner supporting layer 32 of a suitable strong backing such as kraft paper.
  • the marginal edge portions of the label ply 20 are disposed in a helical lap joint 34 which may be disposed over the helical butt joint 28 of the outer body ply 22.
  • a suitable adhesive Interposed between the lapped marginal portions of the label ply 20 is a suitable adhesive (not shown), such as a thermoplastic adhesive, which seals the lap joint 34.
  • the helically disposed edges of the inner body ply 24 are disposed in abutting relationship to form a helical butt joint 36 which is oifset circumferentially from the butt joint 28 of the outer body ply 22.
  • the liner ply 26 preferably comprises an inner layer 38 of a thin, fluid impervious material such as aluminum foil or plastic which is prelaminated to an outer supporting layer 40 of a strong suitable backing such as kraft paper.
  • one of the helical marginal edge portions 42 of the helically wound liner ply 26 is hemmed outwardly upon itself to form a hem 44, and this hemmed liner edge portion 42 is lapped over the opposite marginal edge portion 46 of the liner ply 26, as best seen in FIG.
  • a fluid-impervious adhesive layer 48 is in terposed between the outer surface of the hem 44 and the underlapped marginal portion 46 of the liner ply 26, thereby insuring against leakage of the fluid within the container through the lap joint 47 and into the body plies 22, 24.
  • the specific adhesive 48- used in the helical joint 47 of the liner ply 26 forms no part of the instant invention, the seal can be obtained, for example, through the use of a thermoplastic or pressure sensitive adhesive.
  • One suitable adhesive is the hot melt polyamide resin adhesive disclosed in United States Patent 2,840,264.
  • suitable adhesives are those comprising copolymers of vinyl chloride and vinyl acetate, either alone or in admixture with maleic anhydride or vinyl alcohol modified vinyl chloridevinyl acetate copolymers. I
  • An adhesive (not shown) of any suitable type, such as dextrin, preferably is interposed between the mutually contacting surfaces of the kraft backing layer 40 in the hem 44 of the inner marginal edge portion of the liner ply 26.
  • the helical, hemmed lap joint 47 of the liner ply 26 is formed by first prelaminating the liner ply 26 to the inner body ply 24, as shown in FIG. 3, with one edge 49 of the .ply 26 in alignment with the adjacent edge 50 of the ply
  • An adhesive (not shown) of any suitable type is interposed between the liner ply 26 and body ply 24, and the helical marginal edge portion 42 of the liner ply 26 extends beyond the adjacent edge 5170f the body ply 24, the liner ply 26 being sufliciently wider than the body ply 24 to provide for the portion 42.
  • a suitable adhesive (not shown), such as dextrin, is then applied in any conventional manner to the exposed undersurface of the unfolded kraft backing layer 40 of the marginal edge portion 42 of the liner ply'26 which is shown in FIG. 3.
  • the marginal edge portion 42 of the liner ply 26 is folded upon itself to bring its edge into substantial engagement with the edge 51 of the body ply 24 to form the hem'44.
  • Theimpervious adhesive layer 48 is then applied to the undersurface of the hem 44 in any suitable manner prior to the winding of the laminated body ply 24 and liner ply 26 on a conventional winding mandrel (not shown). Thereafter, the prelaminated liner and body plies are advanced onto and wound around the winding mandrel to form the helical,
  • This method of forming the hemmed lap joint 47 in the liner ply 26 is particularly advantageous in that, by prelaminating the liner ply 26 and adjacent body ply 24 prior to the time they are wound onto the winding mandrel, the hemmed marginal edge portion 42 of the liner ply 26 is helically wound on the mandrelin a uniform manner without any possibility of wrinkling, a condition which might result in leakage at the wrinkled portionsof the helical lap seam. Also, the hemmed marginal edge por-.
  • This modified liner ply joint 147 is similar to the form shown in FIG. 2 in that the marginal edge portion 142 of the liner ply 26 is folded outwardly to form the hem 144 which overlaps the opposite marginal edge portion 146 of the liner ply 26, and a thermo plastic adhesive layer 148 is interposed therebetween.
  • end portion 150 of the marginal edge 142 of the liner ply 26 is disposed beyond the hemmed portion 144 thereof.
  • the end portion 150 extends between the adjacent end portions of the inner body ply 24 and is wrapped around the edge 50 of the body ply 24 to terminate between the inner and outer main body plies 24 and 22', re-
  • the end portion 150 of the marginal edge portion 142 of the liner ply 26 preferably is adhered in any .suitable manner to the edge 51 and the adjacent outer surface 53 of the inner main body ply 24.
  • This modified helical lap seam 147 of the liner ply 26, as shown in FIG. 5, is advantageous in that the end portion 150 of the liner ply 26 surrounds and covers the fluid pervious portions 51, 53 of the main body ply 24, and also,
  • the end portion150 serves as an anchor lap seam 147 of the liner ply 26'.
  • FIG. 6 A further modified form of impervious helical lap seam for the liner ply 26 is shown in FIG. 6, wherein the inner main body ply 24- is provided with oppositely bevelled or skived edges 240, 241 on the marginal edge portions thereof.
  • the marginal edge portion 242 of the liner ply 26 is folded outwardly over itself to form a hem 244 which is lapped over the opposite marginal edge portion 246 to form a helical joint 247.
  • An adhesive 245 of any suitable type is'interposed between the mutually contacting surinsure against leakage through the liner ply seam 247.
  • a suitable adhesive 252, such as dextrin, is interposed between thebalance. of the space between the bevelled edges 240, 241 of the body ply 24 to completely seal the skived joint 247 thereof.
  • the bevelled or skived joint 247 in the body ply 24 of FIG. 6 possesses the advantage of insuring that contact is made between the opposite edge portions of the inner body ply 24, and any space left between the oppositely bevelled edges 240, 241 is filled by the adhesive 252 and by the ends 250 and 251 of the marginal liner ply edge portions 242 and 246, respectively, thereby preventing the formation of any gaps or spaces between the contiguous edges of the inner body ply 24.
  • said liner. ply being disposed within the fi-bre .bodyply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the .fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the adjacent edge of said body P y,
  • At least one fibre body ply having its marginal portion formed with oppositely bevelled edges which are disposed in partially spaced relationship in a helical bevelled butt joint,
  • said liner ply being disposed within the fibre body ply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the adjacent edge of said body ply,
  • said liner ply being disposed within the fibre body ply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the said helical joint at the inner surface of said body ply,
  • said helical bevelled joint extending from the inner surface of said body ply outwardly and away from said one marginal portion

Description

Oct. 18, 1966 w. B. ELAM ETAL 3,279,675
- 'SPIRALLY womw CONTAINER BODY Filed Sept. 1, 1964 2 Sheets-Sheet 1 United States Patent 3,279,675 SPIRALLY WOUND CONTAINER BODY William Binford Elam, Oakland, NJ., and Stephen Frederick Jensen, New York, N.Y., assignors to American JCan Company, New York, N.Y., a corporation of New ersey Filed Sept. 1, 1964, Ser. No. 393,538 4 Claims. '(Ci. 2294.5)
The present invention relates generally to spirally wound fibre container bodies, and more particularly to improved helical joints for suchbodies and to an improver method of making the same.
It is an object of the present invention to provide a spirally wound fibre container body having an improved helical liner ply joint which is impervious to penetration by liquids within the container.
Another object is to provide such a container body wherein the helical liner ply joint extends radially inwardly from the liner ply to prevent any outwardly extending depressions or cavities in the liner ply through which fluids within the container might travel and possibly leak through the end seams thereof.
A further object is the provision of an improved method of making such a leak-proof, spirally wound container body.
Numerous other objects and advantages of the present invention will be apparent as it is better understood from the following description, which, taken in connection with the accompanying drawings, discloses a preferred embodiment thereof.
Referring to the drawings:
FIGURE 1 is a perspective view of a composite, spirally wound container embodying the principles of the instant invention;
FIG. 2 is an enlarged sectional view taken substantially along line 22 in FIG. 1;
FIGS. 3 and 4 are fragmentary sectional details showing in successive stages how the liner ply is prelaminated to the inner body ply in accordance with the method of the instant invention;
FIG. 5 is a sectional view similar to FIG. 2, showing a modified form of impervious helical liner ply joint; and
FIG. 6 is a sectional view similar to FIG. 2, showing another modified form of impervious helical liner ply joint.
As a preferred and exemplary embodiment of the instant invention, FIG. 1 illustrates a composite container 10 which is formed with a cylindrical, spirally wound body 12 having its opposite ends closed by top and bottom imperforate end members 14 and 16, respectively, which are secured thereto in. fluid-tight end seams 18 which may be of any suitable type, such as crimped single seams of the type disclosed in United States Patent 1,920,504 or interfolded double seams of the type disclosed in United States Patent 2,633,095.
The container body 12 of FIGS. 1 and 2 is formed of a plurality of plies of material which are helically wound around a winding mandrel (not shown) to form a continuous tube which is subdivided into short sections of uniform length, each of which forms a body 12.
As seen in FIG. 2, the body 12 is formed of four helically wound plies, the mutually contacting surfaces of which are secured together by suitable adhesives (not shown) in order to form a solid, integral body structure. These comprise an exterior label ply 20, an outer main fibre body ply 22, an inner main fibre body ply 24, and a liner ply 26. The number of plies obviously may be varied to meet various packaging requirements.
The helically disposed edges of the outer main body ply 22 are preferably disposed in abutting relationship 3,279,675 Patented Oct. 18, 1966 to form a helical butt joint 28. The label ply 20 preferably comprises an outer layer 30 of a thin impervious material such as an aluminum foil or plastic which is prelaminated to an inner supporting layer 32 of a suitable strong backing such as kraft paper. The marginal edge portions of the label ply 20 are disposed in a helical lap joint 34 which may be disposed over the helical butt joint 28 of the outer body ply 22. Interposed between the lapped marginal portions of the label ply 20 is a suitable adhesive (not shown), such as a thermoplastic adhesive, which seals the lap joint 34.
The helically disposed edges of the inner body ply 24 are disposed in abutting relationship to form a helical butt joint 36 which is oifset circumferentially from the butt joint 28 of the outer body ply 22. The liner ply 26 preferably comprises an inner layer 38 of a thin, fluid impervious material such as aluminum foil or plastic which is prelaminated to an outer supporting layer 40 of a strong suitable backing such as kraft paper.
In order to seal oil the kraft backing layer 40 of the liner ply 26, and thereby prevent the fluid contents (not shown) of the container .10 from wicking into this kraft layer 40 and thus gaining access to the main body plies 22 and 24 and softening them sufliciently to cause weakening of the container body 12, one of the helical marginal edge portions 42 of the helically wound liner ply 26 is hemmed outwardly upon itself to form a hem 44, and this hemmed liner edge portion 42 is lapped over the opposite marginal edge portion 46 of the liner ply 26, as best seen in FIG. 2, thus bringing the impervious layer 38 of the hem 44 into mutually facing engagement with the impervious layer 38 in the underlapped opposite marginal edge portion 46 to form a helical lap joint 47. The ends of the edge portions 42, 46 in this fluid impervious lap joint 47 of the liner ply 26 are disposed substantially in alignment with the butt joint 36 of the inner main body p-ly 24.
Preferably, a fluid-impervious adhesive layer 48 is in terposed between the outer surface of the hem 44 and the underlapped marginal portion 46 of the liner ply 26, thereby insuring against leakage of the fluid within the container through the lap joint 47 and into the body plies 22, 24. Although the specific adhesive 48- used in the helical joint 47 of the liner ply 26 forms no part of the instant invention, the seal can be obtained, for example, through the use of a thermoplastic or pressure sensitive adhesive. One suitable adhesive is the hot melt polyamide resin adhesive disclosed in United States Patent 2,840,264. Among other types of suitable adhesives are those comprising copolymers of vinyl chloride and vinyl acetate, either alone or in admixture with maleic anhydride or vinyl alcohol modified vinyl chloridevinyl acetate copolymers. I
An adhesive (not shown) of any suitable type, such as dextrin, preferably is interposed between the mutually contacting surfaces of the kraft backing layer 40 in the hem 44 of the inner marginal edge portion of the liner ply 26.
The helical, hemmed lap joint 47 of the liner ply 26 is formed by first prelaminating the liner ply 26 to the inner body ply 24, as shown in FIG. 3, with one edge 49 of the .ply 26 in alignment with the adjacent edge 50 of the ply An adhesive (not shown) of any suitable type is interposed between the liner ply 26 and body ply 24, and the helical marginal edge portion 42 of the liner ply 26 extends beyond the adjacent edge 5170f the body ply 24, the liner ply 26 being sufliciently wider than the body ply 24 to provide for the portion 42. A suitable adhesive (not shown), such as dextrin, is then applied in any conventional manner to the exposed undersurface of the unfolded kraft backing layer 40 of the marginal edge portion 42 of the liner ply'26 which is shown in FIG. 3.
Thereafter, as shown in FIG. 4, the marginal edge portion 42 of the liner ply 26 is folded upon itself to bring its edge into substantial engagement with the edge 51 of the body ply 24 to form the hem'44. Theimpervious adhesive layer 48 is then applied to the undersurface of the hem 44 in any suitable manner prior to the winding of the laminated body ply 24 and liner ply 26 on a conventional winding mandrel (not shown). Thereafter, the prelaminated liner and body plies are advanced onto and wound around the winding mandrel to form the helical,
hemmed lap joint 47 of the liner ply 26 as shown in FIG. 2. V
This method of forming the hemmed lap joint 47 in the liner ply 26 is particularly advantageous in that, by prelaminating the liner ply 26 and adjacent body ply 24 prior to the time they are wound onto the winding mandrel, the hemmed marginal edge portion 42 of the liner ply 26 is helically wound on the mandrelin a uniform manner without any possibility of wrinkling, a condition which might result in leakage at the wrinkled portionsof the helical lap seam. Also, the hemmed marginal edge por-.
joint 147 for the liner ply 26. This modified liner ply joint 147 is similar to the form shown in FIG. 2 in that the marginal edge portion 142 of the liner ply 26 is folded outwardly to form the hem 144 which overlaps the opposite marginal edge portion 146 of the liner ply 26, and a thermo plastic adhesive layer 148 is interposed therebetween. The modified liner ply joint 147 shown in FIG. 5, how- 'ever, differs from the liner ply joint 47 shown in FIG. 2
in that the end portion 150 of the marginal edge 142 of the liner ply 26 is disposed beyond the hemmed portion 144 thereof. The end portion 150 extends between the adjacent end portions of the inner body ply 24 and is wrapped around the edge 50 of the body ply 24 to terminate between the inner and outer main body plies 24 and 22', re-
spectively. The end portion 150 of the marginal edge portion 142 of the liner ply 26 preferably is adhered in any .suitable manner to the edge 51 and the adjacent outer surface 53 of the inner main body ply 24.
This modified helical lap seam 147 of the liner ply 26, as shown in FIG. 5, is advantageous in that the end portion 150 of the liner ply 26 surrounds and covers the fluid pervious portions 51, 53 of the main body ply 24, and also,
' since it is tightly wound between the inner and outer body plies 22 and 24, the end portion150 serves as an anchor lap seam 147 of the liner ply 26'.
A further modified form of impervious helical lap seam for the liner ply 26 is shown in FIG. 6, wherein the inner main body ply 24- is provided with oppositely bevelled or skived edges 240, 241 on the marginal edge portions thereof. The marginal edge portion 242 of the liner ply 26 is folded outwardly over itself to form a hem 244 which is lapped over the opposite marginal edge portion 246 to form a helical joint 247. An adhesive 245 of any suitable type is'interposed between the mutually contacting surinsure against leakage through the liner ply seam 247.
The end portion 250 of the marginal edge portion. 242
and the end portion 251 of the marginal edge portion 246 l of the liner ply 26 both extend in overlapped relationship between the oppositely bevellededges 240, 241' of the inner body ply 24. A suitable adhesive 252, such as dextrin, is interposed between thebalance. of the space between the bevelled edges 240, 241 of the body ply 24 to completely seal the skived joint 247 thereof.
The bevelled or skived joint 247 in the body ply 24 of FIG. 6 possesses the advantage of insuring that contact is made between the opposite edge portions of the inner body ply 24, and any space left between the oppositely bevelled edges 240, 241 is filled by the adhesive 252 and by the ends 250 and 251 of the marginal liner ply edge portions 242 and 246, respectively, thereby preventing the formation of any gaps or spaces between the contiguous edges of the inner body ply 24.
The liner ply joints 47,147,'and 247 shown in FIGS. 2,
5 and 6, respectively, all protrude inwardly from the liner ply 26 and thus leave no outwardly extending depressions to firmly position the hemmed portion 144 of the helical 65' flow and possibly leak through the end seams 18 of the container 10. a
It isto be understood that the modified forms of the liner ply helical joints 147 and 247 shown in FIGS-5 and 6 preferably would be made in accordance with the method shown in FIGS. 3 and 4 of the drawings, i.e., in each case the liner ply 26 would be prelaminated to the inner body ply 24, and the hemmed portion would be formed in the. marginal edge portion of the line-r. ply and wrapped around 1 and adhered tothe adjacent edge of the body ply 24 prior to the advancement of the prelaminated liner ply 26 and 1 body ply 24 onto the winding mandrel.
It is thought that the invention and many of its attendant advantages will be understood from the foregoing 1 description and it will be apparent that various changes may be made in the form, construction, and arrangement 1 of the parts without departing from the spirit and scope of the instant invention or sacrificing all of its material advantages,-the for-m hereinbefore described being merely a preferred embodiment thereof.
What is claimed is:
'1. In a spirally wound container body which is formed 3 with at least one fibre body ply having the helical edges thereof disposed in slightly spaced relationship,
a helical liner ply formed of a layerof fluid impervious material laminated to a pervious backing,
said liner. ply being disposed within the fi-bre .bodyply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the .fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the adjacent edge of said body P y,
the opposite marginal portion of said liner ply extending beyond the adjacent edge of said body ply and being hemmed outwardly and overlapped over said one marginal portion of said body ply to bring the impervious layers of said liner ply marginal portion into face-to-face relationship,
a fluid-impervious adhesion between said overlapped portions of said liner ply to form a fluid tight seam therebetween,
said opposite marginal portion of said liner ply extending outwardly from the hemmed and overlapped portion thereof and between said spaced helical. edges of the body ply and folded into overlapping relationship against the outer surface of the marginal portion of said body ply from which said liner ply marginal portion extends.
2. In a spirally wound container, at least one fibre body ply having its marginal portion formed with oppositely bevelled edges which are disposed in partially spaced relationship in a helical bevelled butt joint,
a helical liner ply formed of a layer of fluid and impervious material laminated to a pervious backing,
said liner ply being disposed within the fibre body ply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the adjacent edge of said body ply,
the opposite marginal portion of said liner ply extending beyond the adjacent edge of said body ply and being hemmed outwardly and overlapped over said one marginal portion of said liner ply to bring the impervious layers of said liner ply marginal portion into face-to-face relationship,
a fluid-impervious adhesion interposed between said overlapped marginal portions of said liner ply to form a fluid tight seam therebetween,
the ends of said overlapped marginal portion of said liner plys extending into said bevelled joint between the spaced portions of said bevelled body ply edges.
3. The container of claim 2 wherein an adhesive is interposed between said bevelled edges within said bevelled butt joint of said body ply.
4. In a spiral-1y wound container body which is formed with at least one fibre body ply having a helical bevelled joint, the improvement comprising:
a helical liner ply formed of a layer of fluid impervious material laminated to a pervious backing,
said liner ply being disposed within the fibre body ply with its fluid impervious layer disposed inwardly and with its pervious backing layer adhesively secured to the fibre body ply, the edge of one of the marginal portions of said liner ply being in substantial alignment with the said helical joint at the inner surface of said body ply,
said helical bevelled joint extending from the inner surface of said body ply outwardly and away from said one marginal portion,
the opposite marginal portion of said liner ply extending beyond said helical bevelled joint, substantially all of said opposite marginal portion being hemmed outwardly and overlapped over said one marginal portion of said liner ply to bring the impervious layers of said liner ply marginal portions into faceto-face relationship, and
a fluid-impervious adhesive interposed between said overlapped marginal portions of said liner ply to form a fluid-tight seam therebetween.
References Cited by the Examiner UNITED STATES PATENTS 1,885,587 11/1932 Burton. 2,008,218 7/ 1935 McColl. 2,237,809 4/ 1941 Bronson 2293.1 2,315,217 3/1943 Obiglio. 2,393,347 1/1946 Stuart et al 229-31 X 3,156,401 11/ 1964 Krause 229-4.5 3,198,416 8/1965 Hickin et a1 229-48 X GEORGE O. RALSTON, Primary Examiner.

Claims (1)

1. IN A SPIRALLY WOUND CONTAINER BODY WHICH IS FORMED WITH AT LEAST ONE FIBRE BODY PLY HAVING THE HELICAL EDGES THEREOF DISPOSED IN SLIGHTLY SPACED RELATIONSHIP, A HELICAL LINER PLY FORMED OF A LAYHER OF FLUID IMPERVIOUS MATERIAL LAMINATED TO A PREVIOUS BACKING, SAID LINER PLY BEING DISPOSED WITHIN THE FIBRE BODY PLY WITH ITS FLUID IMPERVIOUS LAYER DISPOSED INWARDLY AND WITH ITS PERVIOUS BACKING LAYER ADHESIVELY SECURED TO THE FIBRE BODY PLY, THE EDGE OF ONE OF THE MARGINAL PORTIONS OF SAID LINER PLY BEING IN SUBSTANTIAL ALIGNMENT WITH THE ADJACENT EDGE OF SAID BODY PLY, THE OPPOSITE MARGINAL PORTION OF SAID LINER PLY EXTENDING BEYOND THE ADJACNET EDGE OF SAID BODY PLY AND BEING HEMMED OUTWARDLY AND OVERLAPPED OVER SAID ONE MARGINAL PORTION OF SAID BODY PLY TO BRING THE IMPERVIOUS LAYERS OF SAID LINER PLY MARGINAL PORTION INTO FACE-TO-FACE RELATIONSHIP, A FLUID-IMPERVIOUS ADHESION BETWEEN SAID OVERLAPPED PORTIONS OF SAID LINER PLY TO FORM A FLUID TIGHT SEAM THEREBETWEEN, SAID OPPOSITE MARGINAL PORTION OF SAID LINER PLY EXTENDIN OUTWARDLY FROM THE HEMMED AND OVERLAPPED PORTION THEREOF AND BETWEEN SAID SPACED HELICAL EDGES OF THE BOIDY PLY AND FOLDED INTO OVERLAPPING RELATIONSHIP AGAINST THE OUTER SURFACE OF THE MARGINAL PORTION OF SAID BODY PLY FROM WHICH SAID LINER PLY MARGINAL PORTION EXTENDS.
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406614A (en) * 1965-06-09 1968-10-22 Reynolds Metals Co Tubular member and method for making the same and container made therefrom
US3428239A (en) * 1966-10-07 1969-02-18 Int Paper Co Spiral wound can for packaging beverages under substantial pressure
US3520463A (en) * 1968-03-04 1970-07-14 Anaconda Aluminum Co Fluid-tight container
US3716435A (en) * 1970-11-16 1973-02-13 American Can Co Method of making a container body
DE2364117A1 (en) * 1973-01-04 1974-08-08 S.A., Lincrusta, Paris (Frankreich) METHOD OF MANUFACTURING A SEAL PACKAGING WITH A CYLINDRICAL OR POINTED SECTION AND PACKAGING ACHIEVED BY THIS METHOD
WO1979001113A1 (en) * 1978-05-24 1979-12-13 Norton Simon Inc Containers for beverages and the like
US4286745A (en) * 1979-05-23 1981-09-01 Norton Simon, Inc. Container for beverages and the like
US4343427A (en) * 1980-03-18 1982-08-10 Sonoco Products Company Composite container with balloon fold
US4667844A (en) * 1984-03-15 1987-05-26 Michael Horauf Maschinenfabrik Gmbh & Co. Kg Paper container with a jacket wound with a double wall and process for its preparation
US4760949A (en) * 1986-10-06 1988-08-02 Sonoco Products Company Composite container with high barrier liner layer and method of forming the same
US5620135A (en) * 1994-04-07 1997-04-15 Ruediger Haaga Gmbh Container
US7767049B2 (en) 2006-10-12 2010-08-03 Dixie Consumer Products Llc Multi-layered container having interrupted corrugated insulating liner
JP2014005000A (en) * 2012-06-21 2014-01-16 Toppan Printing Co Ltd Cup type paper container
US8960528B2 (en) 2004-04-22 2015-02-24 Dixie Consumer Products Llc Insulating cup wrapper and insulated container formed with wrapper
US20190337664A1 (en) * 2016-04-04 2019-11-07 Sig Technology Ag Package Sleeve, Package and Method for Manufacturing a Package

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885587A (en) * 1931-02-12 1932-11-01 Ralph P Burton Spirally coiled paper tubing and method of making
US2008218A (en) * 1933-11-07 1935-07-16 Francis P Mccoll Moistureproofing
US2237809A (en) * 1937-10-23 1941-04-08 Fibre Can And Machinery Compan Container
US2315217A (en) * 1941-02-11 1943-03-30 Obiglio Carlos Process for the manufacture of tubular bodies
US2393347A (en) * 1940-10-26 1946-01-22 Elizabeth R B Stuart Method of making containers
US3156401A (en) * 1960-10-17 1964-11-10 Anaconda Aluminum Co Container
US3198416A (en) * 1962-09-10 1965-08-03 Packaging Corp America Method of preventing wicking and moisture and vapor absorption and penetration in paperboard cartons, and cartons produced by such method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885587A (en) * 1931-02-12 1932-11-01 Ralph P Burton Spirally coiled paper tubing and method of making
US2008218A (en) * 1933-11-07 1935-07-16 Francis P Mccoll Moistureproofing
US2237809A (en) * 1937-10-23 1941-04-08 Fibre Can And Machinery Compan Container
US2393347A (en) * 1940-10-26 1946-01-22 Elizabeth R B Stuart Method of making containers
US2315217A (en) * 1941-02-11 1943-03-30 Obiglio Carlos Process for the manufacture of tubular bodies
US3156401A (en) * 1960-10-17 1964-11-10 Anaconda Aluminum Co Container
US3198416A (en) * 1962-09-10 1965-08-03 Packaging Corp America Method of preventing wicking and moisture and vapor absorption and penetration in paperboard cartons, and cartons produced by such method

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406614A (en) * 1965-06-09 1968-10-22 Reynolds Metals Co Tubular member and method for making the same and container made therefrom
US3428239A (en) * 1966-10-07 1969-02-18 Int Paper Co Spiral wound can for packaging beverages under substantial pressure
US3520463A (en) * 1968-03-04 1970-07-14 Anaconda Aluminum Co Fluid-tight container
US3716435A (en) * 1970-11-16 1973-02-13 American Can Co Method of making a container body
DE2364117A1 (en) * 1973-01-04 1974-08-08 S.A., Lincrusta, Paris (Frankreich) METHOD OF MANUFACTURING A SEAL PACKAGING WITH A CYLINDRICAL OR POINTED SECTION AND PACKAGING ACHIEVED BY THIS METHOD
WO1979001113A1 (en) * 1978-05-24 1979-12-13 Norton Simon Inc Containers for beverages and the like
US4286745A (en) * 1979-05-23 1981-09-01 Norton Simon, Inc. Container for beverages and the like
US4343427A (en) * 1980-03-18 1982-08-10 Sonoco Products Company Composite container with balloon fold
US4667844A (en) * 1984-03-15 1987-05-26 Michael Horauf Maschinenfabrik Gmbh & Co. Kg Paper container with a jacket wound with a double wall and process for its preparation
US4760949A (en) * 1986-10-06 1988-08-02 Sonoco Products Company Composite container with high barrier liner layer and method of forming the same
US5620135A (en) * 1994-04-07 1997-04-15 Ruediger Haaga Gmbh Container
US8960528B2 (en) 2004-04-22 2015-02-24 Dixie Consumer Products Llc Insulating cup wrapper and insulated container formed with wrapper
US7767049B2 (en) 2006-10-12 2010-08-03 Dixie Consumer Products Llc Multi-layered container having interrupted corrugated insulating liner
JP2014005000A (en) * 2012-06-21 2014-01-16 Toppan Printing Co Ltd Cup type paper container
US20190337664A1 (en) * 2016-04-04 2019-11-07 Sig Technology Ag Package Sleeve, Package and Method for Manufacturing a Package

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