[특허]Soft, bulky, lightweight nonwoven web and method of producing; the web has both fused spot bonds and patterned embossmen

[미국특허] Soft, bulky, lightweight nonwoven web and method of producing; the web has both fused spot bonds and patterned embossmen 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-013/16 D04H-003/14 D04H-005/06
출원번호	US-0179054 (1980-08-18)
발명자 / 주소	Sciaraffa Michael A. (Appleton WI) Thome David G. (Appleton WI) Vogt Clifford M. (Neenah WI)
출원인 / 주소	Kimberly-Clark Corporation (Neenah WI 02)
인용정보	피인용 횟수 : 122 인용 특허 : 4

초록 ▼

Lightweight, pattern bonded, generally continuous filament web having physical, aesthetic, and functional attributes particularly desirable for liner material for disposable absorbent products such as diapers, sanitary napkins, and the like. In accordance with a preferred embodiment of the invention, a continuous filament polypropylene web is formed and pattern bonded by heat and pressure producing a high frequency of high density bond areas. This bonded web is then subjected to hot embossing in a gross pattern producing permanent web deformation and increasing the web effective thickness. In use the nonwoven web of the invention provides a very soft, flexible web having a pleasing appearance and yet retaining strength properties making it very effective at low basis weights for applications such as liners for disposable diapers, sanitary napkins, and the like. The method of the invention includes melt spinning and accumulating the spun fibers into a web that is pattern bonded in a fine pattern by heat and pressure and then subjected to a gross pattern of embossments under heated conditions.

대표청구항 ▼

Nonwoven web having a basis weight in the range of from 0.4 oz/yd2 to 2.0 oz/yd2 and density in the range of from 0.08 to 0.20 g/cc comprising randomly oriented thermoplastic filaments overlapping and bonded with a fine pattern of fused bond areas covering 5 to 50% of the web surface with a frequency of 50 to 3200 bond areas per square inch and individual bond area in the range of 0.0005 to 0.0015 in2, said web also containing a gross pattern of embossments covering 5 to 80% of the web surface with a frequency of 1 to 500 embossments per square inch and individual embossment area in the range of 0.003 to 0.03 in2 resulting in an effective Ames web thickness of at least 0.010 inch. Method of forming a lightweight, bulky nonwoven web comprising the steps of, (a) melt spinning a thermoplastic polymer into filaments, (b) collecting said filaments into a randomly oriented, overlapping web, (c) bonding said web under pressure producing a fine pattern of fused bond areas covering 5 to 50% of the web surface with a frequency of 50 to 3200 bond areas per square inch and individual bond area in the range of 0.0005 to 0.0015 in2, and (d) embossing said web under pressure producing a gross pattern of embossments covering 5 to 80% of the web surface with a frequency of 1 to 500 embossments per square inch and individual embossment area in the range of from 0.003 to 0.030 in2.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Sanford Lawrence H. (Cincinnati OH), Absorptive structure having improved surface dryness and improved resistance to rewetting in-use.
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Woon Lin-Sun (Appleton WI) Endres Dan D. (Appleton WI), Disposable diaper with elastically constricted crotch section.
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Fahrbach Erich (Weinheim an der Bergstrasse DEX) Grber Adolf (Weinheim an der Bergstrasse DEX) Knoke Jrgen (Weinheim an der Bergstrasse DEX) Schweizer Helmer (Hirschberg DEX) Tecl Bohuslav (Weinheim , Nonwoven fabric having the appearance of a woven fabric.
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Romanek Gerald A. (Greenville SC), Selective-area fusion of non-woven fabrics.
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이 특허를 인용한 특허 (122) 인용/피인용 타임라인 분석

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Kanya, Kevin Ronald; Coslett, W. Andrew; Parsons, John C., Absorbent article and components thereof having improved softness signals, and methods for manufacturing.
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Kanya, Kevin Ronald; Coslett, W. Andrew; Parsons, John C., Absorbent article and components thereof having improved softness signals, and methods for manufacturing.
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Daniels Dean Jeffrey ; Kirkbride Tana Marie ; Craig Stephanie Tych ; Bruce Anne Holland, Absorbent article having improved integrity and acquisition.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Soft, bulky, lightweight nonwoven web and method of producing; the web has both fused spot bonds and patterned embossmen 원문보기

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[미국특허] Soft, bulky, lightweight nonwoven web and method of producing; the web has both fused spot bonds and patterned embossmen 원문보기

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대표청구항 ▼

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