IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0550521
(1995-10-30)
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우선권정보 |
JP0267064 (1993-10-26) |
발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
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인용정보 |
피인용 횟수 :
62 인용 특허 :
8 |
초록
▼
A shorts type disposable diaper includes a body having a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent member interposed between the topsheet and the backsheet. The body includes a stomach-side portion which is located on the stomach side of a diaper wearer when the dia
A shorts type disposable diaper includes a body having a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent member interposed between the topsheet and the backsheet. The body includes a stomach-side portion which is located on the stomach side of a diaper wearer when the diaper is worn, a back-side portion which is located on the back side of the wearer when the diaper is worn, and a crotch portion which is located between the stomach-side portion and the back-side portion. The body has a pair of first expansible side panels, each of the first expansible side panels being affixed to each longitudinal side of the stomach-side portion and a pair of second expansible side panels, each of the second expansible side panels being affixed to each longitudinal side of the back-side portion. The first expansible side panels of the stomach-side portion are affixed to the second expansible side panels of said back-side portion to thereby define a waist opening portion, a pair of leg opening portions and a body-surrounding portion located around the wearer's body when the diaper is worn. Elastic members are arranged on an area adjacent to the waist opening portion and on the body-surrounding portion in the stomach-side and back-side portions. A substantially continuous gather is formed along an entire periphery of the diaper through the stomach-side portion, the back-side portion and the first and second expansible panels.
대표청구항
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[ What is claimed is:] [1.]1. A pull-on disposable diaper comprising:a rectangular body having opposing longitudinal sides, said body further having a topsheet formed of a liquid permeable first material, a backsheet formed of a liquid impermeable second material different from said first material,
[ What is claimed is:] [1.]1. A pull-on disposable diaper comprising:a rectangular body having opposing longitudinal sides, said body further having a topsheet formed of a liquid permeable first material, a backsheet formed of a liquid impermeable second material different from said first material, and an absorbent member interposed between said topsheet and said backsheet;a stomach-side portion located on a stomach side of a diaper wearer when the diaper is worn, a back-side portion located on a back side of the wearer when the diaper is worn, and a crotch portion located between said stomach-side portion and said back-side portion;a pair of first expansible side panels separately formed of a third material different from said first material, each of said first expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said stomach-side portion;a pair of second expansible side panels separately formed of said third material, each of said second expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said back-side portion;affixing means for affixing said pair of first expansible side panels to said opposing longitudinal sides of said body adjacent to said stomach-side portion and for affixing said pair of second expansible side panels to said opposing longitudinal sides of said body adjacent to said back-side portion;said first expansible side panels of said stomach-side portion being affixed to said second expansible side panels of said back-side portion to thereby define a waist opening portion, a pair of leg opening portions and a body-surrounding portion located around the wearer's body when the diaper is worn; andfirst elastic members arranged on an area adjacent to said waist opening portion and second elastic members arranged on said body-surrounding portion in said stomach-side and back-side portions, each of said first and second elastic members having opposing ends which terminate within said body;wherein a substantially continuous gather is formed along an entire periphery of the diaper through said stomach-side portion, said back-side portion and said first and second expansible side panels, andwherein a plurality of said first elastic members in the area adjacent to said waist opening portion are arranged substantially in parallel with a peripheral edge of said waist opening portion with a predetermined space between each of said plurality of first elastic members; and said second elastic members in said body-surrounding portion are arranged in such a manner that at least a part of said second elastic members cooperatively form a loop. [3.]3. A pull-on disposable diaper comprising:a rectangular body having opposing longitudinal sides, said body further having a topsheet formed of a liquid permeable first material, a backsheet formed of a liquid impermeable second material different from said first material, and an absorbent member interposed between said topsheet and said backsheet;a stomach-side portion located on a stomach side of a diaper wearer when the diaper is worn, a back-side portion located on a back side of the wearer when the diaper is worn, and a crotch portion located between said stomach-side portion and said back-side portion;a pair of first expansible side panels separately formed of a third material different from said first material, each of said first expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said stomach-side portion;a pair of second expansible side panels separately formed of said third material, each of said second expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said back-side portion;affixing means for affixing said pair of first expansible side panels to said opposing longitudinal sides of said body adjacent to said stomach-side portion and for affixing said pair of second expansible side panels to said opposing longitudinal sides of said body adjacent to said back-side portion;said first expansible side panels of said stomach-side portion being affixed to said second expansible side panels of said back-side portion to thereby define a waist opening portion, a pair of leg opening portions and a body-surrounding portion located around the wearer's body when the diaper is worn; andfirst elastic members arranged on an area adjacent to said waist opening portion and second elastic members arranged on said body-surrounding portion in said stomach-side and back-side portions, each of said first and second elastic members having opposing ends which terminate within said body;wherein a substantially continuous gather is formed along an entire periphery of the diaper through said stomach-side portion, said back-side portion and said first and second expansible side panels, andwherein said first elastic members in the areas adjacent to said waist opening portion are different in contracting stress from said second elastic members in said body-surrounding portions and said first elastic members in the areas adjacent to said waist opening portion have a greater stress at 50% stretch than said second elastic members in said body-surrounding portion. [5.]5. A pull-on disposable diaper comprising:a rectangular body having opposing longitudinal sides, said body further having a topsheet formed of a liquid permeable first material, a backsheet formed of a liquid impermeable second material different from said first material, and an absorbent member interposed between said topsheet and said backsheet;a stomach-side portion located on a stomach side of a diaper wearer when the diaper is worn, a back-side portion located on a back side of the wearer when the diaper is worn, and a crotch portion located between said stomach-side portion and said back-side portion;a pair of first expansible side panels separately formed of a third material different from said first material, each of said first expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said stomach-side portion;a pair of second expansible side panels separately formed of said third material, each of said second expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said back-side portion;affixing means for affixing said pair of first expansible side panels to said opposing longitudinal sides of said body adjacent to said stomach-side portion and for affixing said pair of second expansible side panels to said opposing longitudinal sides of said body adjacent to said back-side portion;said first expansible side panels of said stomach-side portion being affixed to said second expansible side panels of said back-side portion to thereby define a waist opening portion, a pair of leg opening portions and a body-surrounding portion located around the wearer's body when the diaper is worn; andfirst elastic members arranged on an area adjacent to said waist opening portion and second elastic members arranged on said body-surrounding portion in said stomach-side and back-side portions, each of said first and second elastic members having opposing ends which terminate within said body;wherein a substantially continuous gather is formed along an entire periphery of the diaper through said stomach-side portion, said back-side portion and said first and second expansible side panels, andwherein said first elastic members in said back-side portion and said stomach-side portion defining said waist opening portion are different in stress at 50% stretch. [6.]6. A pull-on disposable diaper comprising:a rectangular body having opposing longitudinal sides, said body further having a topsheet formed of a liquid permeable first material, a backsheet formed of a liquid impermeable second material different from said first material, and an absorbent member interposed between said topsheet and said backsheet;a stomach-side portion located on a stomach side of a diaper wearer when the diaper is worn, a back-side portion located on a back side of the wearer when the diaper is worn, and a crotch portion located between said stomach-side portion and said back-side portion;a pair of first expansible side panels separately formed of a third material different from said first material, each of said first expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said stomach-side portion;a pair of second expansible side panels separately formed of said third material, each of said second expansible side panels being affixed to said opposing longitudinal sides of said body adjacent to said back-side portion;affixing means for affixing said pair of first expansible side panels to said opposing longitudinal sides of said body adjacent to said stomach-side portion and for affixing said pair of second expansible side panels to said opposing longitudinal sides of said body adjacent to said back-side portion;said first expansible side panels of said stomach-side portion being affixed to said second expansible side panels of said back-side portion to thereby define a waist opening portion, a pair of leg opening portions and a body-surrounding portion located around the wearer's body when the diaper is worn; andfirst elastic members arranged on an area adjacent to said waist opening portion and second elastic members arranged on said body-surrounding portion in said stomach-side and back-side portions, each of said first and second elastic members having opposing ends which terminate within said body;wherein a substantially continuous gather is formed along an entire periphery of the diaper through said stomach-side portion, said back-side portion and said first and second expansible side panels, andwherein said first and second expansible side panels are formed of longitudinally arranged alternating expansible and non-expansible portions.
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