최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0576473 (2014-12-19) |
등록번호 | US-9737443 (2017-08-22) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 223 |
A tampon applicator barrel includes an insertion tip at a forward end of the barrel, a main body section that extends from the insertion tip, and a reverse taper section that is joined to the main body section so that the main body section is between the insertion tip and the reverse taper section.
A tampon applicator barrel includes an insertion tip at a forward end of the barrel, a main body section that extends from the insertion tip, and a reverse taper section that is joined to the main body section so that the main body section is between the insertion tip and the reverse taper section. The main body section tapers toward the insertion tip section. The reverse taper section tapers in a direction away from the insertion tip section. A finger grip section extends from the reverse taper section to a plunger receiving end of the barrel opposite the forward end. The barrel is straight from the forward end to the plunger receiving end that receives a plunger.
1. A tampon applicator, comprising: an insertion tip section having between three and eight petals;a main body section adjacent said insertion tip section, said main body section having a maximum diameter of said tampon applicator;a reverse taper section adjacent said main body section, wherein said
1. A tampon applicator, comprising: an insertion tip section having between three and eight petals;a main body section adjacent said insertion tip section, said main body section having a maximum diameter of said tampon applicator;a reverse taper section adjacent said main body section, wherein said reverse taper section tapers downwardly in a direction away from said insertion tip section; anda finger grip section having a forward end adjacent said reverse taper section, said finger grip section having a flared rearward end opposite said forward end defining an opening, wherein said finger grip section has at least one gripping structure, said finger grip section having a generally circular cross-sectional shape,wherein said finger grip section has a minimum diameter that is less than said maximum diameter of said main body section,wherein said flared rearward end has a rearward end diameter greater than said minimum diameter in said finger grip section,wherein said flared rearward end diameter is less than said maximum diameter of said main body section,wherein said at least one gripping structure has a grip structure diameter that is less than said flared rearward end diameter,wherein said tampon applicator has a straight central axis, and said insertion tip section, said main body section, said reverse taper section, and said finger grip section are all coaxially positioned around said central axis of said applicator,wherein said petals have a curved shape that taper towards said central axis. 2. The tampon applicator of claim 1, wherein said at least one gripping structure is a protuberance. 3. The tampon applicator of claim 1, wherein said at least one gripping structure is a rib. 4. The tampon applicator of claim 1, wherein said at least one gripping structure is a groove. 5. The tampon applicator of claim 1, wherein said at least one gripping structure has a coefficient of friction that is greater than a coefficient of friction of said main body section or said reverse taper section. 6. The tampon applicator of claim 1, wherein said finger grip section is concave. 7. The tampon applicator assembly according to claim 1, wherein said insertion tip section has said curved shape along said straight central axis that at least partially approximates at least one of an elliptical curved tapered shape and a hyperbolic curved tapered shape. 8. The tampon applicator according to claim 1, wherein said insertion tip section has a ratio of a maximum diameter of said insertion tip section to a length of said insertion tip section that is about 1.1 to about 1.3. 9. A tampon applicator assembly, comprising: a plastic applicator barrel having an internal cavity and a straight central axis, comprising: an insertion tip section having a generally curved tapered shape along said straight central axis, said insertion tip section having between three and eight petals;a main body section adjacent said insertion tip section, said main body section having a maximum diameter of said applicator barrel;a reverse taper section adjacent said main body section, wherein said reverse taper section tapers downwardly in a direction away from said insertion tip section; anda finger grip section having a forward end adjacent said reverse taper section, said finger grip section having a rearward end opposite said forward end said rearward end of said finger grip section defining an opening, said finger grip section having a generally concave shape between said forward end and said rearward end, said finger grip section including a plurality of gripping structures extending outward from an outer surface of said finger grip section between said forward end and said rearward end, said finger grip section having an external minimum grip diameter located between said forward end and said rearward end, said external minimum grip diameter is less than said maximum diameter of said applicator barrel in said main body section, said finger grip section having an internal minimum grip diameter; anda plunger that telescopically fits through said opening in said rearward end of said finger grip section, said plunger having a flared front end, a generally cylindrical middle region, and a flared rear end opposite said flared front end, said plunger having an external middle plunger diameter in said generally cylindrical middle region that is slightly smaller than said internal minimum grip diameter of said finger grip section,wherein said insertion tip section, said main body section, said reverse taper section and said finger grip section are all coaxially positioned around said straight central axis of said applicator barrel and are unitary such that said applicator barrel is a unitary plastic piece,wherein said applicator barrel includes a transition region in which a smaller wall thickness within said main body section as it transitions to a larger wall thickness in said reverse taper section and said finger grip section, said flared front end of said plunger engaging an internal wall within said transition region to retain said flared front end of said plunger in said applicator barrel. 10. The tampon applicator assembly of claim 9, wherein said external minimum grip diameter of said finger grip section is less than a grip structure diameter of said plurality of gripping structures. 11. The tampon applicator assembly according to claim 10, wherein said grip structure diameter of said plurality of gripping structures is less than said maximum diameter of said applicator barrel. 12. The tampon applicator assembly according to claim 11, wherein said plurality of gripping structures encircle said outer surface of said finger grip section. 13. The tampon applicator assembly of claim 9, wherein said generally concave shape of said finger grip section results in a ratio of a maximum external diameter of said finger grip section to said external minimum grip diameter of said finger grip section of about 1.1 to about 1.75. 14. The tampon applicator assembly according to claim 13, wherein said finger grip section has a ratio of said maximum external diameter of said finger grip section to said external minimum grip diameter of said finger grip section of about 1.25 to about 1.35. 15. The tampon applicator assembly according to claim 9, wherein said petals are discrete and separated from each other by a plurality of slits that form a break of material through a tubular wall of said applicator barrel. 16. The tampon applicator assembly according to claim 9, wherein said insertion tip section has said curved tapered shape along said central axis that at least partially approximates at least one of an elliptical curved tapered shape and a hyperbolic curved tapered shape. 17. The tampon applicator assembly according to claim 9, wherein said flared rear end of said plunger has a rear plunger diameter of about 6 mm to about 22 mm. 18. The tampon applicator assembly according to claim 17, wherein said flared rear end of said plunger has said rear plunger diameter of about 12 mm to about 16 mm. 19. The tampon applicator assembly according to claim 18, wherein said flared rear end of said plunger has said rear plunger diameter of about 12 mm. 20. The tampon applicator assembly according to claim 9, wherein said insertion tip section has a ratio of a maximum diameter of said insertion tip section to a length of said insertion tip section that is about 1.1 to about 1.3. 21. The tampon applicator assembly according to claim 9, wherein said insertion tip section has a tip end and a main body section end opposite said tip end, said main body section end adjacent said main body section, wherein said maximum diameter of said applicator barrel is between about 32 mm and about 54 mm from said tip end of said insertion tip section. 22. The tampon applicator assembly according to claim 9, wherein said maximum diameter of said applicator barrel is adjacent said reverse taper section. 23. The tampon applicator assembly according to claim 9, wherein said reverse taper section has a reverse taper diameter that is slightly less than a forward end grip diameter of said forward end of said finger grip section. 24. The tampon applicator assembly according to claim 9, wherein said generally concave shape of said finger grip section comprises one or more flat portions. 25. The tampon applicator assembly according to claim 9, wherein said plurality of gripping structures comprises a plurality of ribs sequentially positioned along a length of said finger grip section. 26. The tampon applicator assembly according to claim 25, wherein said plurality of ribs are sequentially positioned along the entirety of said length of said finger grip section. 27. The tampon applicator assembly according to claim 9, wherein said forward end of said finger grip section has a forward edge and said rewarded end of said finger grip section has a rearward edge. 28. The tampon applicator assembly according to claim 9, wherein said forward end of said finger grip section has a forward end grip diameter and said rearward end of said finger grip section has a rearward end grip diameter, wherein said forward end grip diameter and said rearward end grip diameter are about 11 mm to about 17 mm. 29. The tampon applicator assembly according to claim 9, wherein said forward end and said rearward end are spaced about 17 mm to about 21 mm apart. 30. The tampon applicator assembly according to claim 9, wherein a retaining structure comprises said flared front end of said plunger, wherein said flared front end of said plunger has a front plunger diameter of about 5 mm to about 20 mm. 31. The tampon applicator assembly according to claim 30, wherein said flared front end has said front plunger diameter of about 11 mm to about 14 mm. 32. The tampon applicator assembly according to claim 9, wherein said external middle plunger diameter of said middle region of said plunger is about 4 mm to about 18 mm. 33. The tampon applicator assembly according to claim 32 wherein said external middle plunger diameter of said middle region of said plunger is about 5 mm to about 9 mm. 34. A tampon assembly, comprising, comprising: a plastic applicator barrel having an internal cavity and a straight central axis, said applicator barrel including: an insertion tip section having between three and eight petals, said insertion tip section having a curved tapered shape along said central axis said insertion tip section having a front tip opposite a back end;a main body section adjacent said back end of said insertion tip section, said main body section having a maximum diameter of said applicator barrel; said main body section having a main body section maximum wall thickness;a reverse taper section adjacent said main body section, wherein said reverse taper section tapers downwardly in a direction away from said insertion tip section; anda finger grip section adjacent said reverse taper section, said finger grip section having a forward edge adjacent said reverse taper section, said finger grip section having a rearward edge opposite said forward edge, said rearward edge defining an opening, said finger grip section having an external minimum grip diameter that is less than said maximum diameter of said applicator barrel, said finger grip section having an internal minimum grip diameter, said finger grip section having a circular cross-sectional shape and having a finger grip section maximum wall thickness that is greater than said main body section maximum wall thickness,a plunger that fits through said opening in said rearward edge, said plunger having a flared front end, a generally cylindrical middle region, and a flared rear end, said flared rear end having a rear plunger diameter that is smaller than said rearward edge of said finger grip section, said flared front end having a front plunger diameter that is larger than said internal minimum grip diameter, said plunger having an external middle plunger diameter that is slightly smaller than said internal minimum grip diameter of said finger grip section, said plunger to be pushed forwardly toward said internal cavity along said straight central axis; anda pledget within said internal cavity of said applicator barrel, said pledget including a tapered forward end;wherein said insertion tip section, said main body section, said reverse taper section, and said finger grip section are all coaxially positioned around said central axis of said applicator barrel such that said applicator barrel is unitary. 35. The tampon assembly according to claim 34, wherein said insertion tip section has a ratio of a maximum diameter of said insertion tip section to a length of said insertion tip section that is about 1.1 to about 1.3. 36. The tampon assembly according to claim 34, wherein said insertion tip section has said curved tapered shaped along said straight central axis that at least partially approximates at least one of an elliptical curved tapered shape and a hyperbolic curved tapered shape. 37. The tampon assembly according to claim 34, wherein said pledget has said tapered forward end that corresponds to said insertion tip section. 38. The tampon assembly according to claim 34, wherein said maximum diameter of said applicator barrel is between about 32 mm and about 54 mm from said front tip of the insertion tip section. 39. The tampon assembly according to claim 34, wherein said maximum diameter of said applicator barrel is adjacent said reverse taper section. 40. The tampon assembly according to claim 34, wherein said reverse taper section is between about 50 mm and about 54 mm from said front tip of said insertion tip section. 41. The tampon assembly according to claim 34, wherein said reverse taper section has a reverse taper diameter that is less than said maximum diameter of said applicator barrel. 42. The tampon assembly according to claim 34, wherein said finger grip section is concave, flat, and combinations thereof. 43. The tampon assembly according to claim 34, wherein a distance between said forward edge of said finger grip section and said rearward edge of said finger grip section is between about 13 mm and about 40 mm. 44. The tampon assembly of claim 34, wherein said finger grip section further comprises at least one gripping structure. 45. The tampon assembly of claim 44, wherein said finger grip section has a minimum diameter less than a gripping structure diameter. 46. The tampon assembly according to claim 45, wherein said gripping structure diameter is less than said maximum diameter of said applicator barrel. 47. The tampon assembly according to claim 44, wherein said rearward edge of said finger grip section is flared and has a rearward grip diameter of said finger grip section that is greater than said external minimum grip diameter of said finger grip section. 48. The tampon assembly according to claim 47, wherein said rearward grip diameter of said finger grip section is less than said maximum diameter of said applicator barrel. 49. The tampon assembly according to claim 47, wherein said rearward grip diameter of said finger grip section is greater than a gripping structure diameter of said at least one gripping structure. 50. The tampon assembly according to claim 47, wherein said forward edge has a forward grip diameter and said rearward grip diameter are about 11 mm to about 17 mm. 51. The tampon assembly according to claim 44, wherein said at least one gripping structure encircles an outer surface of said finger grip section. 52. The tampon assembly according to claim 34, wherein a grip edge distance between said forward edge and said rearward edge is about 17 mm to about 21 mm. 53. The tampon assembly according to claim 34, wherein said finger grip section has a maximum to minimum diameter ratio of about 1.1 to about 1.75. 54. The tampon assembly according to claim 53, wherein said finger grip section has said maximum to minimum diameter ratio of about 1.25 to about 1.35. 55. The tampon assembly according to claim 34, wherein said external middle plunger diameter of said plunger is about 7 mm. 56. The tampon assembly according to claim 34, wherein said rear plunger diameter of said plunger is between about 12 mm and about 16 mm. 57. The tampon assembly according to claim 56, wherein said rear plunger diameter of said plunger is about 12 mm. 58. The tampon assembly according to claim 34, wherein said flared front end of said plunger engages an internal wall of said finger grip section such that said flared front end of said plunger is retained within said applicator barrel. 59. The tampon assembly according to claim 58, wherein said internal wall of said finger grip section is proximal said forward edge of said finger grip section. 60. The tampon assembly according to claim 34 or 59, wherein said forward edge corresponds to said finger grip section maximum wall thickness. 61. The tampon assembly according to claim 34, wherein said reverse taper section has a reverse taper section maximum wall thickness greater than said main body section maximum wall thickness. 62. The tampon assembly according to claim 61, wherein said reverse taper section maximum wall thickness is adjacent said finger grip section maximum wall thickness. 63. A tampon assembly, comprising: a plastic applicator barrel having an internal cavity and a straight central axis, said applicator barrel including: an insertion tip section having a generally curved tapered shape along said straight central axis, said insertion tip having between three and eight petals;a main body section adjacent said insertion tip section, said main body section having a maximum diameter of said applicator barrel;a reverse taper section adjacent to said main body section, said reverse taper section tapering downwardly in a direction away from said insertion tip section;a finger grip section adjacent to said reverse taper section and being bound by a forward edge and a flared rearward edge, said reverse taper section tapering downwardly toward said forward edge, said finger grip section including a plurality of gripping structures extending away from a surface of said finger grip section between said forward edge and said rearward edge, each of said plurality of gripping structures extending around said finger grip section and having a maximum grip structure diameter that is less than a forward grip diameter of said forward edge and a rearward grip diameter of said flared rearward edge, said finger grip section including an opening leading into said internal cavity; andwherein said insertion tip section, said main body section, said reverse taper section and said finger grip section are coaxially positioned around said straight central axis of said applicator barrel and are unitary such that said applicator barrel is a unitary plastic piece, said applicator barrel including a transition region in which a smaller wall thickness in said main body section transitions to a larger wall thicknesses in said reverse taper section and said finger grip section;a pledget within said internal cavity of said applicator barrel, said pledget including a tapered forward end; anda plunger that extends into said internal cavity of said applicator barrel through said opening in said finger grip section, said plunger having a flared front end, a generally cylindrical middle region, and a flared rear end, said flared rear end having a rear plunger diameter that is smaller than said rearward grip diameter of said rearward edge of said finger grip section, said flared front end having a front plunger diameter that is larger than an internal wall diameter within said transition region of said applicator barrel such that said plunger is retained within said applicator barrel. 64. The tampon assembly according to claim 63, wherein said insertion tip section has a ratio of a maximum diameter of said insertion tip to a length of said insertion tip that is about 1.1 to about 1.3. 65. The tampon assembly according to claim 63, wherein said insertion tip section has said curved tapered shape along said straight central axis that at least partially approximates at least one of an elliptical curved tapered shape and a hyperbolic curved tapered shape. 66. The tampon assembly according to claim 63, wherein said pledget has said tapered forward end that corresponds to said insertion tip section. 67. The tampon assembly according to claim 63, wherein said flared front end of said plunger is received within said petals of said insertion tip section as said plunger expels said pledget through said petals. 68. The tampon assembly according to claim 63, wherein said flared front end of said plunger extends beyond 50% of a length of said petals as said plunger expels said pledget through said petals. 69. The tampon assembly according to claim 63, wherein said insertion tip section has a thinnest wall thickness that is less than said smaller wall thickness of said main body section. 70. The tampon assembly according to claim 63, wherein an internal wall of said applicator barrel within said finger grip section includes a flared forward internal surface and a flared rearward internal surface. 71. The tampon assembly according to claim 70, wherein said internal wall of said applicator barrel within said finger grip section includes a generally cylindrical surface between said flared forward internal surface and said flared rearward internal surface. 72. The tampon assembly according to claim 70, wherein said flared rearward internal surface within said finger grip section is for engaging said flared rear end of said plunger as said plunger expels said pledget through said petals. 73. The tampon assembly according to claim 70, wherein said flared front end of said plunger engages said internal wall of said applicator barrel such that said flared front end of said plunger is retained within said applicator barrel. 74. The tampon assembly according to claim 70, wherein said flared forward internal surface corresponds to a finger grip section maximum wall thickness. 75. The tampon assembly according to claim 74, wherein said reverse taper section has a reverse taper section maximum wall thickness greater than said smaller wall thickness in said main body section. 76. The tampon assembly according to claim 75, wherein said reverse taper section maximum wall thickness is adjacent said finger grip section maximum wall thickness.
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