CA2521252A1 - A barrel for a tampon applicator assembly and methods of forming - Google Patents
A barrel for a tampon applicator assembly and methods of forming Download PDFInfo
- Publication number
- CA2521252A1 CA2521252A1 CA002521252A CA2521252A CA2521252A1 CA 2521252 A1 CA2521252 A1 CA 2521252A1 CA 002521252 A CA002521252 A CA 002521252A CA 2521252 A CA2521252 A CA 2521252A CA 2521252 A1 CA2521252 A1 CA 2521252A1
- Authority
- CA
- Canada
- Prior art keywords
- mandrel
- barrel
- outer dimension
- region
- forming
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- A61F13/26—Means for inserting tampons, i.e. applicators
Abstract
A method of forming a barrel for a tampon applicator assembly including molding a barrel then forming a rearward taper region in an area of the barrel is provided. The method includes molding a first portion of the barrel in a first mold part and a second portion of the barrel in a second mold part, the first and second mold parts meeting at a maximum outer dimension of the first portion, ejecting the barrel from the first and second mold parts, and forming a flared region in an area of the second portion.
Claims (27)
1. A method of forming a barrel for a tampon applicator assembly comprising:
molding a first portion of the barrel in a first mold part and a second portion of the barrel in a second mold part, said first and second mold parts meeting at a maximum outer dimension of said first portion;
ejecting the barrel from said first and second mold parts; and forming a flared region in an area of said second portion.
molding a first portion of the barrel in a first mold part and a second portion of the barrel in a second mold part, said first and second mold parts meeting at a maximum outer dimension of said first portion;
ejecting the barrel from said first and second mold parts; and forming a flared region in an area of said second portion.
2. The method as in claim 1, wherein forming said flared region comprises inserting a first mandrel into said area, said first mandrel having a temperature sufficient to soften said area.
3. The method as in claim 2, further comprising inserting a second mandrel into said area, said second mandrel having a shape corresponding to a desired shape of said flared region.
4. The method as in claim 3, further comprising removing said first mandrel from said area prior to inserting said second mandrel.
5. The method as in claim 3, wherein said first mandrel has a shape corresponding to said desired shape of said flared region.
6. The method as in claim 3, wherein said area receives a temperature from said second mandrel sufficient to set said area.
7. A method of forming a barrel for a tampon applicator assembly comprising:
placing a first mold cavity and a second mold cavity in fluid communication with one another, said first and second mold cavities meeting at a maximum outer dimension of said first mold cavity;
injecting a material into said first and second mold cavities to form the barrel;
ejecting the barrel from said first and second mold cavities; and forming a flared region in a portion of the barrel ejected from said second mold cavity.
placing a first mold cavity and a second mold cavity in fluid communication with one another, said first and second mold cavities meeting at a maximum outer dimension of said first mold cavity;
injecting a material into said first and second mold cavities to form the barrel;
ejecting the barrel from said first and second mold cavities; and forming a flared region in a portion of the barrel ejected from said second mold cavity.
8. The method as in claim 7, wherein forming said flared region comprises heating a first mandrel to an elevated temperature, and inserting said first mandrel in said portion.
9. The method as in claim 8, wherein said elevated temperature is about 210 degrees F to about 230 degrees F.
10. The method as in claim 8, wherein said elevated temperature is about 220 degrees F.
11. The method as in claim 8, further comprising contacting said first mandrel with said portion for about 1 second to about 3 seconds.
12. The method as in claim 11, wherein said first mandrel is contacted with said portion for about 2 seconds.
13. The method as in claim 8, wherein said first mandrel has a shape corresponding to a desired shape of said flared region.
14. The method as in claim 8, further comprising removing said first mandrel from said portion, and inserting a second mandrel in said portion, wherein said second mandrel has a shape corresponding to a desired shape of said flared region.
15. The method as in claim 14, wherein removing said first mandrel and inserting said second mandrel has a dwell time of about 0.5 seconds to about 1.5 seconds.
16. The method as in claim 15, wherein said dwell time is about 1 second.
17. The method as in claim 14, wherein said second mandrel has a reduced temperature.
18. The method as in claim 17, wherein said reduced temperature is about 65 degrees F to about 75 degrees F.
19. The method as in claim 17, wherein said reduced temperature is about 70 degrees F.
20. The method as in claim 14, further comprising contacting said second mandrel with said portion for about 1 second to about 3 seconds.
21. The method as in claim 20, wherein said second mandrel is contacted with said portion for about 2 seconds.
22. A barrel for use with a tampon applicator assembly comprising:
an insertion tip having a plurality of petals;
a main section; and a finger grip having a first region, a gripping region, and a second region, wherein said first region intersects with said main section at a first plane having a first outer dimension, said gripping region intersects with said first region and has a second outer dimension, and said second region intersects with said gripping region and has a third outer dimension, said first outer dimension being larger than said second outer dimension and said third outer dimension being larger than said second outer dimension, and wherein said first outer dimension defines a maximum outer dimension of said barrel.
an insertion tip having a plurality of petals;
a main section; and a finger grip having a first region, a gripping region, and a second region, wherein said first region intersects with said main section at a first plane having a first outer dimension, said gripping region intersects with said first region and has a second outer dimension, and said second region intersects with said gripping region and has a third outer dimension, said first outer dimension being larger than said second outer dimension and said third outer dimension being larger than said second outer dimension, and wherein said first outer dimension defines a maximum outer dimension of said barrel.
23. The assembly as in claim 22, wherein said maximum outer dimension is located closer to said finger grip than to said insertion tip.
24. The assembly as in claim 22, wherein said third outer dimension is equal to said first outer dimension.
25. The assembly as in claim 22, wherein said main section has a taper ratio of about 1.07 to about 1.15.
26. The assembly as in claim 22, wherein said insertion tip has a taper ratio of more than about 0.66.
27. The assembly as in claim 22, wherein said plurality of petals have a petal length-to-width ratio of about 2 to about 3.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40715903A | 2003-04-04 | 2003-04-04 | |
| US10/407,159 | 2003-04-04 | ||
| US10/619,677 | 2003-07-15 | ||
| US10/619,677 US7704242B2 (en) | 2003-04-04 | 2003-07-15 | Barrel for a tampon applicator assembly and methods of forming |
| PCT/US2004/010194 WO2004089242A2 (en) | 2003-04-04 | 2004-04-02 | A barrel for a tampon applicator assembly and methods of forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2521252A1 true CA2521252A1 (en) | 2004-10-21 |
| CA2521252C CA2521252C (en) | 2011-03-15 |
Family
ID=33161966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2521252A Expired - Lifetime CA2521252C (en) | 2003-04-04 | 2004-04-02 | A barrel for a tampon applicator assembly and methods of forming |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4643565B2 (en) |
| AU (1) | AU2004228005B2 (en) |
| CA (1) | CA2521252C (en) |
| WO (1) | WO2004089242A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2659887C (en) * | 2006-08-04 | 2012-10-02 | Playtex Products, Inc. | Tampon applicator fingergrip having one or more flared portions |
| US8075512B2 (en) * | 2007-04-13 | 2011-12-13 | The Procter & Gamble Company | Applicator having an enhanced gripping region |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD250663S (en) * | 1977-04-25 | 1978-12-26 | The Procter & Gamble Company | Tampon inserter |
| JPS6131157A (en) * | 1984-07-25 | 1986-02-13 | 花王株式会社 | Tampon |
| US4846802A (en) * | 1986-06-26 | 1989-07-11 | Tambrands Inc. | Tampon applicator |
| DE9014464U1 (en) * | 1990-10-18 | 1990-12-20 | Johnson & Johnson Gmbh, 4000 Duesseldorf, De | |
| GR1002998B (en) * | 1993-03-04 | 1998-10-27 | Mcneil-Ppc Inc. | Improved injection molded product and method. |
| JP3725383B2 (en) * | 1999-11-19 | 2005-12-07 | ユニ・チャーム株式会社 | Tampon applicator |
| DE60200161T2 (en) * | 2001-02-13 | 2004-10-28 | Campagnolo S.R.L. | Method for manufacturing a bicycle hub, device for carrying out this method and hub produced by this method |
| JP2002316340A (en) * | 2001-04-23 | 2002-10-29 | Bridgestone Corp | Mold for molding substrate for photosensitive drum, method for manufacturing substrate for photosensitive drum, substrate for photosensitive drum, and photosensitive drum |
-
2004
- 2004-04-02 AU AU2004228005A patent/AU2004228005B2/en not_active Ceased
- 2004-04-02 JP JP2006509631A patent/JP4643565B2/en not_active Expired - Lifetime
- 2004-04-02 WO PCT/US2004/010194 patent/WO2004089242A2/en active Application Filing
- 2004-04-02 CA CA2521252A patent/CA2521252C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004089242A2 (en) | 2004-10-21 |
| JP2006521900A (en) | 2006-09-28 |
| JP4643565B2 (en) | 2011-03-02 |
| AU2004228005A1 (en) | 2004-10-21 |
| CA2521252C (en) | 2011-03-15 |
| WO2004089242A3 (en) | 2006-01-26 |
| AU2004228005B2 (en) | 2009-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |