WO2003008289A1 - Vent disc with center knob - Google Patents

Vent disc with center knob Download PDF

Info

Publication number
WO2003008289A1
WO2003008289A1 PCT/US2002/015575 US0215575W WO03008289A1 WO 2003008289 A1 WO2003008289 A1 WO 2003008289A1 US 0215575 W US0215575 W US 0215575W WO 03008289 A1 WO03008289 A1 WO 03008289A1
Authority
WO
WIPO (PCT)
Prior art keywords
vent disc
projection
container
vent
disc
Prior art date
Application number
PCT/US2002/015575
Other languages
French (fr)
Inventor
Francis X. Manganiello
Charles J. Renz
Joshua S. Lieberman
Original Assignee
Playtex Products, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Playtex Products, Inc. filed Critical Playtex Products, Inc.
Priority to MXPA04000542A priority Critical patent/MXPA04000542A/en
Priority to JP2003513862A priority patent/JP2004535341A/en
Priority to CA2454001A priority patent/CA2454001C/en
Priority to GB0400876A priority patent/GB2392905B/en
Publication of WO2003008289A1 publication Critical patent/WO2003008289A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J9/00—Feeding-bottles in general
    • A61J9/04—Feeding-bottles in general with means for supplying air
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • B65D51/165—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve formed by a slit or narrow opening

Definitions

  • the present invention relates to vent discs that alleviate the vacuum created in containers, such as infant feeding bottles, during feeding. More particularly, the present invention relates to a member that positions a vent disc in an end of a container.
  • Baby feeding bottles having venting means designed to allow air to flow into the bottle to alleviate the vacuum created in the bottle during feeding are known.
  • bottles having bottom-mounted perforated elastomeric diaphragms, or vent discs have proven to be effective at alleviating the vacuum, while preventing leakage.
  • the vent discs require a proper, snug fit within the end of the bottles or containers. This creates difficulty in positioning the vent discs both into and out of the end of the bottles or containers.
  • Fig. 1 is a top perspective view of a vent disc with a first embodiment of the positioning member
  • Fig. 2 is a top view of the vent disc of Fig. 1 ;
  • Fig. 3 is a bottom view of the vent disc of Fig. 1 ;
  • Fig. 4 is a front view of the vent disc of Fig 1 , the rear view being identical thereof;
  • Fig. 5 is a side view of the vent disc of Fig. 1 , the opposite side view being identical thereof;
  • Fig. 6 is a cross-sectional view of the vent disc of Fig. 1 , taken along line 6-6 of Fig. 2 with a cross section of an end cap;
  • Fig. 7 is a top view of an alternative embodiment of a vent disc with a second embodiment of a positioning member of the present invention.
  • Fig. 8 is a front view of the vent disc of Fig 7, the rear view being identical thereof;
  • Fig. 9 is a side view of the vent disc of Fig. 7, the opposite side view being identical thereof. DESCRIPTION OF THE INVENTION
  • Vent disc 20 has a member 10 for positioning a vent disc in an end 100 of a container 130. Member 10 extends from a vent disc 20.
  • Vent disc 20 preferably has a curved dome inner portion 30 and an edge or rim 40.
  • the inner portion 30 is preferably convexly curved in the upward direction.
  • Inner portion 30 of vent disc 20 has a plurality of resealable elongated slits 50 therein. Slits 50 extend along radii that form the convex curvature of inner portion 30.
  • the slits 50 are positioned on the inner portion 30 so as to provide a center area 60 of the inner portion 30 that does not have slits 50. Referring to Fig. 3, under and aligned with each slit 50, there is preferably provided a depression 55 formed into the undersurface of the inner portion 30, that controls air flow through the slit, and into the bottle or container 130 when a partial vacuum is created therein during feeding.
  • Member 10 extends from center portion 60 of vent disc 20.
  • Member 10 is preferably essentially rectangular in shape but may be ellipsoidal, cylindrical or any other geometric shape that facilitates gripping or the holding of member 10.
  • Member 10 may also have a groove or recess in its vertical extant or a lip at its uppermost edge portion that further facilitates gripping.
  • Member 10 is preferably approximately perpendicular with the plane in which vent disc 20 is positioned but may extend from vent disc 20 at an angle that facilitates gripping or the holding of member 10.
  • the rectangular shape of member 10 has a top surface 13 with a width w of about 0.10 inches and a length I of about 0.35 inches, and a side surface 17 with a height of about 0.22 inches.
  • the width w, length I, and height h of member 10 may be an alternative dimension that facilitates gripping or the holding of member 10. If the diameter of vent disc 20 increases, preferably width w, length I, and height h of member 10 will increase to further facilitate gripping or the holding of the member.
  • member 10 is solely or virtually solely for positioning vent disc 20 within the end of container 100.
  • Member 10 is located within the center portion 60 of vent disc 20 so as not to obstruct any slit 50 or depression 55 that permits air to flow into the bottle or container.
  • Member 10 does not have an aperture or hole that would make the member have a slit that would permit air to flow through it into the bottle or container.
  • Member 10 can be made of any suitable polymeric or thermoset material, such as thermoplastics, elastomers, thermoset rubbers, silicones, and the like. Combinations of these materials may also be used.
  • member 10 is made of thermoset rubber, most preferably a silicone.
  • the material of member 10 can have a hardness of from about 40 to about 80 durometers. Preferably, its hardness is about 70 durometers.
  • member 10 can be formed integrally with vent disc 20 through a variety of methods including conventional molding and preferably a liquid injection molding technique. However, member 10 may alternatively be a member that is not integral with vent disc 20 and is fastened to vent disc 20 through a variety of means, including adhesive.
  • vent disc 20 is adapted to be positioned in end cap 100 or end of container 130 by interference fit.
  • the interference fit is formed between rim 40 of vent disc 20, preferably edges 42, and inner diameter 110 of end cap 100 or end of container 130.
  • the fit could be a snap fit.
  • vent disc 20 may be secured into position in end cap 100 or the end of container 130 by other means including vent disc 20 being inserted into threads 120 on end cap 100 or the end of container 130.
  • diameter d of rim 40 of vent disc 20 is the smallest external diameter of the rim. Diameter d is approximately equal to inner diameter d' of end cap 100 or end of container 130.
  • the chamfered edges 42 of rim 40 provide the rim with a second larger diameter 43.
  • vent disc 20 permits rim 40 to be manipulated on or under threads 120 whereby rim 40 is secured in position on or under threads.
  • a preferred embodiment of the present invention is an interference fit between the outside diameter of rim 40 of vent disc 20 and the inside diameter of end cap 100.
  • Member 10 extends from center portion 60 of vent disc 20 so that when member 10 is pulled in a direction away from end cap 100 or end of container 130, the radial length r of central panel 30 increases to permit the removal of the vent disc from its interference fit position. Thus, when vent disc 20 is pulled in the removal direction, the force of removal will overcome the friction of the interference fit and, thus, permit removal of the vent disc.
  • Figs. 1 to 6 refer to the preferred embodiment of the member comprising one member 10 that is a projection extending from vent disc 20.
  • the positioning member 10 may be a plurality of projections that facilitate gripping or the holding of projection 10.
  • Figs. 7 to 9 there is shown an alternative embodiment of the positioning member that is two projections generally represented by reference numerals 10' and 10", respectively.
  • Projections 10' and 10" extend from a center portion 60' of vent disc 20' and are solely for positioning vent disc 20' in the end of a container. Projections 10' and 10" do not have perforations that would permit air to flow through them into the bottle or container.
  • the diameter d' of vent disc 20' decreases. This reduction in diameter d' permits the removal of vent disc 20' from its interference fit position in the end of the container. It is understood that alternatively, but less preferably, a snap fit instead of interference fit can be used.

Abstract

A member that positions a vent disc in an end of a container is provided. The member has at least one projection extending from the vent disc virtually solely for positioning the vent disc in its secured position in the end of a container. The at least one projection is located in the center portion of the vent disc and can be one projection, which extends from the vent disc at the center point of the vent disc. The projection can be of a geometrical shape that facilitates gripping and handling of the vent disc, including rectangular, ellipsoidal or cylindrical shapes.

Description

VENT DISC WITH CENTER KNOB
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to vent discs that alleviate the vacuum created in containers, such as infant feeding bottles, during feeding. More particularly, the present invention relates to a member that positions a vent disc in an end of a container.
Description of the Prior Art
Baby feeding bottles having venting means designed to allow air to flow into the bottle to alleviate the vacuum created in the bottle during feeding, are known. Among these, bottles having bottom-mounted perforated elastomeric diaphragms, or vent discs, have proven to be effective at alleviating the vacuum, while preventing leakage. However, in order to prevent leakage while effectively alleviating the vacuum, the vent discs require a proper, snug fit within the end of the bottles or containers. This creates difficulty in positioning the vent discs both into and out of the end of the bottles or containers.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a member extending from a vent disc for positioning of the vent disc in an end of a container. This and other objects and advantages of the present invention are achieved by a member that positions a vent disc in an end of a container comprising at least one projection extending from a center portion of the vent disc solely for positioning said vent disc in the end of the container.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a top perspective view of a vent disc with a first embodiment of the positioning member;
Fig. 2 is a top view of the vent disc of Fig. 1 ;
Fig. 3 is a bottom view of the vent disc of Fig. 1 ;
Fig. 4 is a front view of the vent disc of Fig 1 , the rear view being identical thereof;
Fig. 5 is a side view of the vent disc of Fig. 1 , the opposite side view being identical thereof;
Fig. 6 is a cross-sectional view of the vent disc of Fig. 1 , taken along line 6-6 of Fig. 2 with a cross section of an end cap;
Fig. 7 is a top view of an alternative embodiment of a vent disc with a second embodiment of a positioning member of the present invention;
Fig. 8 is a front view of the vent disc of Fig 7, the rear view being identical thereof; and
Fig. 9 is a side view of the vent disc of Fig. 7, the opposite side view being identical thereof. DESCRIPTION OF THE INVENTION
Referring to the drawings and, in particular, Figs. 1 to 6, there is shown a preferred embodiment of a vent disc of the present invention generally represented by reference numeral 20. Vent disc 20 has a member 10 for positioning a vent disc in an end 100 of a container 130. Member 10 extends from a vent disc 20.
Vent disc 20 preferably has a curved dome inner portion 30 and an edge or rim 40. The inner portion 30 is preferably convexly curved in the upward direction. Inner portion 30 of vent disc 20 has a plurality of resealable elongated slits 50 therein. Slits 50 extend along radii that form the convex curvature of inner portion 30. The slits 50 are positioned on the inner portion 30 so as to provide a center area 60 of the inner portion 30 that does not have slits 50. Referring to Fig. 3, under and aligned with each slit 50, there is preferably provided a depression 55 formed into the undersurface of the inner portion 30, that controls air flow through the slit, and into the bottle or container 130 when a partial vacuum is created therein during feeding.
Member 10 extends from center portion 60 of vent disc 20. Member 10 is preferably essentially rectangular in shape but may be ellipsoidal, cylindrical or any other geometric shape that facilitates gripping or the holding of member 10. Member 10 may also have a groove or recess in its vertical extant or a lip at its uppermost edge portion that further facilitates gripping. Member 10 is preferably approximately perpendicular with the plane in which vent disc 20 is positioned but may extend from vent disc 20 at an angle that facilitates gripping or the holding of member 10.
As shown in Figs. 4 and 5, in this preferred positioning member 10, the rectangular shape of member 10 has a top surface 13 with a width w of about 0.10 inches and a length I of about 0.35 inches, and a side surface 17 with a height of about 0.22 inches. However, the width w, length I, and height h of member 10 may be an alternative dimension that facilitates gripping or the holding of member 10. If the diameter of vent disc 20 increases, preferably width w, length I, and height h of member 10 will increase to further facilitate gripping or the holding of the member.
Referring to Fig. 6, member 10 is solely or virtually solely for positioning vent disc 20 within the end of container 100. Member 10 is located within the center portion 60 of vent disc 20 so as not to obstruct any slit 50 or depression 55 that permits air to flow into the bottle or container. Member 10 does not have an aperture or hole that would make the member have a slit that would permit air to flow through it into the bottle or container.
Member 10 can be made of any suitable polymeric or thermoset material, such as thermoplastics, elastomers, thermoset rubbers, silicones, and the like. Combinations of these materials may also be used. Preferably, member 10 is made of thermoset rubber, most preferably a silicone. The material of member 10 can have a hardness of from about 40 to about 80 durometers. Preferably, its hardness is about 70 durometers. Preferably, member 10 can be formed integrally with vent disc 20 through a variety of methods including conventional molding and preferably a liquid injection molding technique. However, member 10 may alternatively be a member that is not integral with vent disc 20 and is fastened to vent disc 20 through a variety of means, including adhesive.
Preferably, vent disc 20 is adapted to be positioned in end cap 100 or end of container 130 by interference fit. The interference fit is formed between rim 40 of vent disc 20, preferably edges 42, and inner diameter 110 of end cap 100 or end of container 130. Also, the fit could be a snap fit. Still further, vent disc 20 may be secured into position in end cap 100 or the end of container 130 by other means including vent disc 20 being inserted into threads 120 on end cap 100 or the end of container 130. In the preferred embodiment, diameter d of rim 40 of vent disc 20 is the smallest external diameter of the rim. Diameter d is approximately equal to inner diameter d' of end cap 100 or end of container 130. The chamfered edges 42 of rim 40 provide the rim with a second larger diameter 43. The flexibility of vent disc 20 permits rim 40 to be manipulated on or under threads 120 whereby rim 40 is secured in position on or under threads. As shown in Fig. 6, a preferred embodiment of the present invention is an interference fit between the outside diameter of rim 40 of vent disc 20 and the inside diameter of end cap 100.
Member 10 extends from center portion 60 of vent disc 20 so that when member 10 is pulled in a direction away from end cap 100 or end of container 130, the radial length r of central panel 30 increases to permit the removal of the vent disc from its interference fit position. Thus, when vent disc 20 is pulled in the removal direction, the force of removal will overcome the friction of the interference fit and, thus, permit removal of the vent disc.
Figs. 1 to 6 refer to the preferred embodiment of the member comprising one member 10 that is a projection extending from vent disc 20. Alternatively, the positioning member 10 may be a plurality of projections that facilitate gripping or the holding of projection 10.
In Figs. 7 to 9, there is shown an alternative embodiment of the positioning member that is two projections generally represented by reference numerals 10' and 10", respectively. Projections 10' and 10" extend from a center portion 60' of vent disc 20' and are solely for positioning vent disc 20' in the end of a container. Projections 10' and 10" do not have perforations that would permit air to flow through them into the bottle or container. When projections 10' and 10" are pulled in a direction away from the end of the container, the diameter d' of vent disc 20' decreases. This reduction in diameter d' permits the removal of vent disc 20' from its interference fit position in the end of the container. It is understood that alternatively, but less preferably, a snap fit instead of interference fit can be used.
The present invention having thus been described with particular reference to the preferred forms thereof, it will be obvious that various changes and modifications may be made therein without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

WHAT IS CLAIMED IS:
1. A member that positions a vent disc in an end of a container comprising:
at least one projection extending from a center portion of the vent disc for positioning said vent disc in the end of the container.
2. The member of claim 1 , wherein said at least one projection has a shape selected from the group consisting essentially of rectangular, ellipsoidal, and cylindrical shapes.
3. The member of claim 1 , wherein said at least one projection is approximately perpendicular with the plane in which said vent disc is positioned.
4. The member of claim 1 , wherein said at least one projection is made from a polymeric or thermoset material.
5. The member of claim 4, wherein the material is selected from the group consisting essentially of a thermoplastic, elastomer, thermoset rubber, silicone, and combinations thereof.
6. The member of claim 1 , wherein said at least one projection is integrally formed with said vent disc.
7. The member of claim 1 , wherein said at least one projection has a hardness of about 70 durometers.
8. The member of claim 1 , wherein said at least one projection is at the center point of said vent disc.
9. The member of claim 8, wherein said center portion is the center point of said vent disc.
10. The member of claim 9, wherein said one projection has a shape selected from the group consisting essentially of cubical, ellipsoidal, and cylindrical shapes.
11. The member of claim 10, wherein said one projection is approximately perpendicular with the plane in which said vent disc is positioned.
12. The member of claim 11 , wherein said one projection is made from a polymeric or thermoset material.
13. The member of claim 12, wherein the material is selected from the group consisting essentially of a thermoplastic, elastomer, thermoset rubber, silicone, and combinations thereof.
14. The member of claim 13, wherein said one projection is integrally formed with said vent disc.
15. The member of claim 14, wherein said one projection has a hardness of about 70 durometers.
16. A member that positions a vent disc in an end of a container comprising:
one projection extending from a center portion of the vent disc solely for positioning said vent disc in the end of the container, said center portion being the center point of said vent disc, said one projection being approximately perpendicular with the plane in which said vent disc is positioned, said one projection being essentially rectangular in shape.
17. The member of claim 16, wherein said ellipsoidal shape has a height of about 0.22 inches, a length of about 0.35 inches and a width of about 0.10 inches
18. The member of claim 17, wherein said one projection is made from a polymeric or thermoset material.
19. The member of claim 18, wherein the material is selected from the group consisting essentially of a thermoplastic, elastomer, thermoset rubber, silicone, and combinations thereof.
20. The member of claim 19, wherein said one projection is integrally formed with said vent disc.
21. The member of claim 20, wherein said one projection has a hardness of about 70 durometers.
22. A member that positions a vent disc in an end of a container comprising:
a plurality of projections extending from a center portion of the vent disc solely for positioning said vent disc in the end of the container, said center portion being the center point of said vent disc, said plurality of projections being approximately perpendicular with the plane in which said vent disc is positioned, said plurality of projections being essentially rectangular in shape.
23. The member of claim 22, wherein said ellipsoidal shape has a height of about 0.22 inches, a length of about 0.35 inches and a width of about 0.10 inches
24. The member of claim 23, wherein said plurality of projections are made from a polymeric or thermoset material.
25. The member of claim 24, wherein the material is selected from the group consisting essentially of a thermoplastic, elastomer, thermoset rubber, silicone, and combinations thereof.
26. The member of claim 25, wherein said plurality of projections are integrally formed with said vent disc.
27. The member of claim 26, wherein said plurality of projections have a hardness of about 70 durometers.
28. The member of claim 27, wherein said plurality of projections is two projections.
PCT/US2002/015575 2001-07-16 2002-05-16 Vent disc with center knob WO2003008289A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
MXPA04000542A MXPA04000542A (en) 2001-07-16 2002-05-16 Vent disc with center knob.
JP2003513862A JP2004535341A (en) 2001-07-16 2002-05-16 Ventilation disc with central knob
CA2454001A CA2454001C (en) 2001-07-16 2002-05-16 Vent disc with center knob
GB0400876A GB2392905B (en) 2001-07-16 2002-05-16 Vent disc with center knob

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/906,320 US7163113B2 (en) 2000-04-05 2001-07-16 Vent disc with center knob
US09/906,320 2001-07-16

Publications (1)

Publication Number Publication Date
WO2003008289A1 true WO2003008289A1 (en) 2003-01-30

Family

ID=25422246

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/015575 WO2003008289A1 (en) 2001-07-16 2002-05-16 Vent disc with center knob

Country Status (7)

Country Link
US (1) US7163113B2 (en)
JP (1) JP2004535341A (en)
CN (1) CN1273356C (en)
CA (1) CA2454001C (en)
GB (1) GB2392905B (en)
MX (1) MXPA04000542A (en)
WO (1) WO2003008289A1 (en)

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US11400024B2 (en) 2006-12-20 2022-08-02 Angelcare Feeding Usa, Llc Vent valve assemblies for baby bottles

Also Published As

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CN1273356C (en) 2006-09-06
GB2392905A (en) 2004-03-17
CA2454001A1 (en) 2003-01-30
US7163113B2 (en) 2007-01-16
GB0400876D0 (en) 2004-02-18
GB2392905B (en) 2006-03-01
JP2004535341A (en) 2004-11-25
CN1547544A (en) 2004-11-17
US20020050481A1 (en) 2002-05-02
CA2454001C (en) 2011-01-04
MXPA04000542A (en) 2004-07-23

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