CA2158423C - Nonwoven fabrics having raised portions - Google Patents

Nonwoven fabrics having raised portions Download PDF

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Publication number
CA2158423C
CA2158423C CA002158423A CA2158423A CA2158423C CA 2158423 C CA2158423 C CA 2158423C CA 002158423 A CA002158423 A CA 002158423A CA 2158423 A CA2158423 A CA 2158423A CA 2158423 C CA2158423 C CA 2158423C
Authority
CA
Canada
Prior art keywords
background portion
raised portion
raised
basis weight
background
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.)
Expired - Fee Related
Application number
CA002158423A
Other languages
French (fr)
Other versions
CA2158423A1 (en
Inventor
William A. James
William G. F. Kelly
Susan Lynn Suehr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Consumer Inc
Original Assignee
McNeil PPC 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23192107&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2158423(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by McNeil PPC Inc filed Critical McNeil PPC Inc
Publication of CA2158423A1 publication Critical patent/CA2158423A1/en
Application granted granted Critical
Publication of CA2158423C publication Critical patent/CA2158423C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D04H1/495—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet for formation of patterns, e.g. drilling or rearrangement
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24595—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness and varying density
    • Y10T428/24603—Fiber containing component

Abstract

Nonwoven fabrics having a fibrous background portion in one plane thereof and raised fibrous portions in another plane thereof. There may be two types of raised portions. In one type, the basis weight of the raised portion is substantially the same as the basis weight of the background portion. In another type of raised portion, the basis weight is greater than the basis weight of the background portion. The raised portions are joined to the background portion by a fibrous transition region.

Claims (29)

1. A hydroentangled nonwoven fabric comprising:
a substantially planar background portion;

at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said background portion and said at least one raised portion having an equal basis weight and density; and a transition region between said raised portion and said background portion, said transition region having a basis weight different from said raised portion and background portion, said transition region including a first portion of lower basis weight than said raised portion and background portion, and said transition region including a second portion of higher basis weight than said raised portion and background portion, wherein said first portion is comprised of a plurality of fiber bundles that are substantially parallel to each other.
2. The fabric of claim 1 wherein a majority of said fiber bundles are comprised of fibers that are twisted and turned upon each other.
3. The fabric of claim 1 wherein said fiber bundles are substantially perpendicular to the background portion and said raised portion.
4. A hydroentangled nonwoven fabric comprising:
a substantially planar background portion;

at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said background portion and said at least one raised portion having an equal basis weight and density; and a transition region between said raised portion and said background portion, said transition region having a basis weight different from said raised portion and background portion, said transition region including a first portion of lower basis weight than said raised portion and background portion, and said transition region including a second portion of higher basis weight than said raised portion and background portion, wherein said second portion is comprised of a plurality of fiber segments that are substantially parallel to each other.
5. The fabric of claim 4 wherein a majority of said fiber bundles are comprised of fibers that are twisted and turned upon each other.
6. A hydroentangled nonwoven fabric comprising:

a substantially planar background portion; and at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said background portion and said at least one raised portion having an equal basis weight and density, wherein said background portion has a textured design comprised of a plurality of substantially parallel fiber bundles, said fiber bundles being comprised of fibers that are twisted and turned upon each other.
7. The fabric of claim 6 wherein said raised portion has a textured design comprised of a plurality of substantially parallel fiber bundles, said fiber bundles being comprised of fibers that are twisted and turned upon each other.
8. The fabric of claim 7 wherein the textured design of said background portion and raised portion are substantially identical.
9. The fabric of claim 8 wherein said textured design is a tricot-like design.
10. The fabric of claim 7 wherein said plurality of fiber bundles define a predetermined pattern of openings in said fabric, the cross-sectional width of said at least one raised portion being at least 2 times greater than the spacing between the openings in said predetermined pattern.
11. A hydroentangled nonwoven fabric comprising:

a substantially planar background portion;

at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said background portion and said at least one raised portion having an equal basis weight and density; and a transition region between said raised portion and said background portion, said transition region having a basis weight different from said raised portion and background portion, wherein said transition region includes a portion of higher basis weight than said raised portion and background portion, and wherein said transition region includes an upper portion projecting above said raised portion.
12. A hydroentangled nonwoven fabric having at least one slub portion comprising:

a substantially planar background portion; and at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion and having an equal density as said background portion, wherein said at least one raised portion is comprised of a plurality of substantially parallel fibers.
13. The fabric of claim 12 wherein said substantially parallel fibers are parallel in the longitudinal direction of the three-dimensional pattern formed by said raised portion.
14. A hydroentangled nonwoven fabric having at least one slub portion comprising:

a substantially planar background portion; and at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion and having an equal density as said background portion; and a transition region between said at least one raised portion and said background portion, said transition region having, a basis weight less than said background portion, wherein said transition region is comprised of a plurality of fiber bundles that are substantially parallel to each other.
15. The fabric of claim 14 wherein a majority of said fiber bundles are comprised of fibers that are twisted and turned upon each other.
16. The fabric of claim 15 wherein said fiber bundle are substantially perpendicular to the background portion and said raised portion.
17. A hydroentangled nonwoven fabric having at least one slub portion comprising:

a substantially planar background portion; and at least one raised portion integrally forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion and having an equal density as said background portion, wherein said background portion has a textured design comprised of a plurality of substantially parallel fiber bundles, said fiber bundles being comprised of fibers that are twisted and turned upon each other.
18. The fabric of claim 17 wherein said raised portion has a textured design comprised of a plurality of substantially parallel fiber bundles, said fiber bundles being comprised of fibers that are twisted and turned upon each other.
19. The fabric of claim 18 wherein the textured design of said background portion and raised portion are substantially identical.
20. The fabric of claim 19 where said textured design is a tricot-like design.
21. The fabric of claim 18 wherein said plurality of fiber bundles define a predetermined pattern of openings in said fabric, the cross-sectional width of said at least one raised portion being less than 2 times greater than the spacing between the openings in said pattern.
22. A hydroentangled nonwoven fabric comprising:

a substantially continuous planar background portion; and at least one raised portion forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion, said at least one raised portion being comprised of a plurality of substantially parallel fibers wherein said substantially parallel fibers are parallel in the longitudinal direction of the three-dimensional pattern formed by said raised portion.
23. A hydroentangled nonwoven fabric comprising:
a substantially continuous planar background portion; and at least one raised portion forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion, and further including a transition region between said at least one raised portion and said background portion, said transition region having a fiber-poor region having a basis weight less than said background portion, wherein said fiber-poor region of said transition region is comprised of fiber segments that are substantially parallel to each other.
24. A hydroentangled nonwoven fabric comprising:
a substantially continuous planar background portion; and at least one raised portion forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion, and further including a transition region between said at least one raised portion and said background portion, said transition region having a fiber-poor region having a basis weight less than said background portion, said at least one raised portion including fibers in bundles that are twisted and turned upon each other and are substantially parallel to each other in the longitudinal direction of the raised portion.
25. A hydroentangled nonwoven fabric comprising:
a substantially continuous planar background portion; and at least one raised portion forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion, and further including a transition region between said at least one raised portion and said background portion, said transition region having a fiber-poor region having a basis weight less than said background portion, wherein said fiber-poor region of said transition region comprises a plurality of bundles of fiber segments wherein said bundles are oriented generally transversely of said transition region.
26. A hydroentangled nonwoven fabric comprising:
a substantially continuous planar background portion; and at least one raised portion forming a three-dimensional pattern projected out of the planar background portion, said at least one raised portion having a higher basis weight than said background portion, said background portion having a textured design comprised of a plurality of substantially parallel fiber bundles, said fiber bundles being comprised of fibers that are twisted and turned upon each other.
27. The fabric of claim 26 wherein said raised portion has a textured design comprised of a plurality of substantially parallel fiber bundles said fiber bundles being comprised of fibers that are twisted and turned upon each other.
28. The fabric of claim 27 wherein the textured design of said background portion and said raised portion are substantially identical.
29. The fabric of claim 27 where said textured design is a tricot-like design.
CA002158423A 1994-09-16 1995-09-15 Nonwoven fabrics having raised portions Expired - Fee Related CA2158423C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/308,001 1994-09-16
US08/308,001 US5674591A (en) 1994-09-16 1994-09-16 Nonwoven fabrics having raised portions

Publications (2)

Publication Number Publication Date
CA2158423A1 CA2158423A1 (en) 1996-03-17
CA2158423C true CA2158423C (en) 2007-11-27

Family

ID=23192107

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002158423A Expired - Fee Related CA2158423C (en) 1994-09-16 1995-09-15 Nonwoven fabrics having raised portions

Country Status (21)

Country Link
US (1) US5674591A (en)
EP (1) EP0705932B2 (en)
JP (1) JP3991088B2 (en)
KR (1) KR960010942A (en)
CN (1) CN1053716C (en)
AT (1) ATE213515T1 (en)
AU (1) AU704751B2 (en)
BR (1) BR9504040A (en)
CA (1) CA2158423C (en)
CZ (1) CZ289059B6 (en)
DE (1) DE69525498T3 (en)
FI (1) FI954356A (en)
HK (1) HK1012685A1 (en)
HU (1) HUT72869A (en)
IL (1) IL115283A0 (en)
NO (1) NO953656L (en)
RU (1) RU2149229C1 (en)
SG (1) SG82518A1 (en)
TR (1) TR199501111A2 (en)
TW (1) TW329437B (en)
ZA (1) ZA957813B (en)

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Publication number Publication date
ATE213515T1 (en) 2002-03-15
BR9504040A (en) 1996-10-22
EP0705932A2 (en) 1996-04-10
RU2149229C1 (en) 2000-05-20
AU3057895A (en) 1996-03-28
IL115283A0 (en) 1995-12-31
CA2158423A1 (en) 1996-03-17
HUT72869A (en) 1996-05-28
TW329437B (en) 1998-04-11
ZA957813B (en) 1997-03-17
TR199501111A2 (en) 1996-06-21
CZ289059B6 (en) 2001-10-17
NO953656D0 (en) 1995-09-15
JPH08100360A (en) 1996-04-16
SG82518A1 (en) 2001-08-21
HU9502704D0 (en) 1995-11-28
CN1138116A (en) 1996-12-18
CN1053716C (en) 2000-06-21
HK1012685A1 (en) 1999-08-06
NO953656L (en) 1996-03-18
JP3991088B2 (en) 2007-10-17
FI954356A (en) 1996-03-17
EP0705932B1 (en) 2002-02-20
US5674591A (en) 1997-10-07
DE69525498T2 (en) 2002-06-27
CZ237995A3 (en) 1996-04-17
EP0705932B2 (en) 2006-01-04
AU704751B2 (en) 1999-05-06
DE69525498T3 (en) 2006-06-22
KR960010942A (en) 1996-04-20
DE69525498D1 (en) 2002-03-28
EP0705932A3 (en) 1997-10-01
FI954356A0 (en) 1995-09-15

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