WO2002091871A1 - Non tisse formant matiere a boucles - Google Patents
Non tisse formant matiere a boucles Download PDFInfo
- Publication number
- WO2002091871A1 WO2002091871A1 PCT/IB2002/002656 IB0202656W WO02091871A1 WO 2002091871 A1 WO2002091871 A1 WO 2002091871A1 IB 0202656 W IB0202656 W IB 0202656W WO 02091871 A1 WO02091871 A1 WO 02091871A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cables
- material forming
- loops
- points
- forming loops
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0003—Fastener constructions
- A44B18/0011—Female or loop elements
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- 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
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23957—Particular shape or structure of pile
-
- 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.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
-
- 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.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
- Y10T428/24017—Hook or barb
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/634—A nonwoven fabric having a layer comprising non-linear synthetic polymeric strand or fiber material and a separate and distinct layer comprising strand or fiber material which is not specified as non-linear
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/635—Synthetic polymeric strand or fiber material
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/682—Needled nonwoven fabric
Definitions
- the present invention relates to a material forming loops, in particular for use as a female part of a hook-and-loop device, as well as to a method of manufacturing a material forming loops of this kind.
- the present invention also relates to a laminated assembly comprising a material forming such loops and to a female part of a hook-and-loop device comprising a material forming such loops or a laminated assembly comprising a material forming, loops like this.
- the female parts In current hook-and-loop devices, in particular in the field of diapers, the female parts generally comprise knitted fabrics with loops to form loops. These loop knitted fabrics are made by weaving processes.
- the present invention aims to overcome these drawbacks of the materials forming loops of the prior art, in particular in the field of diapers and hygiene, by proposing a material forming loops, in particular for use in female parts of the device.
- Velcro which can be produced in large quantities at high speeds.
- the material forming loops is characterized in that it consists of cables of crimped filaments, the material forming loops having a thickness between 0.1 and 3 mm and a weight between 15 and 100 g / m 2 .
- curly filament cables is meant a large set of continuous filaments produced without sharp twist, assembled in a form similar to a loose cord and held together by crimping.
- curly filament cables By thus using to form the materials forming loops of curly filament cables, one can then produce this material forming loops from nonwovens at high speed, and one is no longer limited by the rather slow manufacturing speed in the case fabrics.
- the cables are linked together at points or connecting lines, preferably at regular intervals.
- the continuous filaments are made from polyolefin, polyamide, cellulose acetate or other thermoplastic materials, in particular Fiberfill.
- the continuous filaments have a denier of individual fibers comprised between 1.5 and 15 dps.
- the cables of crimped filaments are linked together by a configuration of connection points forming a hexagonal network.
- the points of the configuration of the connection network are produced by fusion of the fibers at these points.
- the present invention also relates to a laminated assembly comprising a substrate on which the material forming loops is bonded, in particular by lamination using an adhesive or a thermal bond.
- the present invention also relates to a female part of a self-gripping device comprising a material forming loops according to the invention or a laminated assembly according to the invention.
- the present invention also relates to a diaper comprising a self-gripping female part according to the invention, or a material forming a loop according to the invention or a laminated assembly according to the invention.
- the present invention also relates to a method of manufacturing a material forming loops according to the invention.
- the method according to the invention comprises the steps which consist in: opening and distributing cables of crimped filaments in order to obtain a target thickness and weight of the material forming loops.
- the method provides for the step which consists in: making a connection, in particular a fusion connection, at points of the cables to define the discrete loops.
- the material forming the loops obtained is then fixed to an appropriate substrate.
- Figure 1 is a perspective view of curly filament cables in the initial state
- FIG. 2 is a view of the material forming loops of FIG. 1 after having undergone the opening and separation operations respectively in the transverse directions and the machine directions;
- Figure 3 is a perspective view of the material forming loops of Figures 1 and 2 having a network of connecting points;
- Figure 4 is a view identical to that of Figure 3 comprising a network of connection points in hexagonal shape, in the form of a honeycomb;
- Figure 5 is a perspective view of a diaper having a self-gripping having a female portion having a loop material according to the present invention.
- the starting material is a cable of crimped filaments. These materials are commercially available from Companies such as Dupont, Cosa and others in the United States. The available materials are conventionally polyester. Other possible materials are polyolefins, polyamides, cellulose acetates, bicomponent fibers and the like.
- the crimped filament cables are first opened and separated using a needle roller.
- This type of needle roller process is described in various patents including the US Patents No. 3,032,829, No. 3,156,016, No. 3,505,155.
- bonding points will be produced at regular intervals on the surface of the crimped filament cables. These bonding points can be made by ultrasonic welding, by bonding the fibers using hot thermal bonds by hot air, or by an adhesive binder. It is thus possible to obtain a network of connection points as seen in FIG. 3 or a network for example in the form of a hexagon such as a honeycomb as seen in FIG. 4.
- the production of a suitable loop for a mechanical fixing device can be implemented with a suitable choice of cable including the type of denier yarn, the number of fibers and the crimp level and the degree of opening of the fiber, including fiber spacing and material thickness.
- Fiber denier and crimp level can be selected to achieve the desired level of attachment performance for a particular hook. For example for a hook having a relatively large profile, the preferred fiber will have a large denier and a low crimp level. The fiber with a large denier and a low crimp level will tend to give a material forming loops which are more open and which will be more easily penetrated by a large hook. For a smaller profiling hook, the reverse applies. A loop material having a smaller denier of fiber and a higher crimp level will give loops which are closer to each other and which will thus be more suitable for cooperation with a smaller hook.
- the total denier of the cable can be between 40,000 and 1 million depending on the thickness and width of the target material.
- the individual fiber denier will conventionally be between 1.5 and 15 and the crimp level is between 6 and 12 crimps per inch.
- the loop material here described, overcomes the disadvantages associated with conventional nonwoven processes used to process a loop material.
- a ribbon having loops for mechanical fixing can be prepared from cables, crimped filaments which are thin, light and have uniform spacing between the fibers.
- a band or tape structure of this genus contains filaments which extend in the Z direction and are suitable loops for cooperation with fixing hooks. Finally, such a structure is elastic. Loops tend to remain open and available for attachment, even after compressive force of the material for a period of time.
- FIG. 5 represents a diaper 1, the waist of which is provided with a hook-and-loop fastener having a male part and a female part 2.
- the female part 2 comprises a loop material according to the present invention which is laminated on a substrate, substrate which is fixed on the side opposite the loop material to the diaper.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02741084A EP1387628A1 (fr) | 2001-05-11 | 2002-05-03 | Non tisse formant matiere a boucles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/853,213 | 2001-05-11 | ||
US09/853,213 US20020168497A1 (en) | 2001-05-11 | 2001-05-11 | Non woven loop forming material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002091871A1 true WO2002091871A1 (fr) | 2002-11-21 |
Family
ID=25315387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/002656 WO2002091871A1 (fr) | 2001-05-11 | 2002-05-03 | Non tisse formant matiere a boucles |
Country Status (3)
Country | Link |
---|---|
US (2) | US20020168497A1 (fr) |
EP (1) | EP1387628A1 (fr) |
WO (1) | WO2002091871A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2870436B1 (fr) * | 2004-05-21 | 2006-07-14 | Aplix Sa | Film a filaments individuels ancres |
GB201417562D0 (en) * | 2014-10-03 | 2014-11-19 | Norcros Group Holdings Ltd | Improvements in buildings coverings |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3156016A (en) * | 1961-11-13 | 1964-11-10 | Celanese Corp | Tow opening |
GB1465038A (en) * | 1974-03-21 | 1977-02-16 | Mackie & Sons Ltd J | Polymeric filaments |
JPH08188954A (ja) * | 1994-12-28 | 1996-07-23 | Unitika Ltd | 接合可能なシート状の不織布 |
EP0780505A2 (fr) * | 1995-12-20 | 1997-06-25 | Duflot Industrie (SA) | Partie femelle d'une fermeture auto-agrippante en non-tissé, son procédé de fabrication et fermeture agrippante ainsi obtenue |
EP0882828A1 (fr) * | 1997-05-30 | 1998-12-09 | Corovin GmbH | Matériau boucle |
US6197404B1 (en) * | 1997-10-31 | 2001-03-06 | Kimberly-Clark Worldwide, Inc. | Creped nonwoven materials |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1558401A (en) * | 1976-04-08 | 1980-01-03 | Ici Ltd | Segmentally bonded non woven fabrices |
SE514391C2 (sv) * | 1997-12-03 | 2001-02-19 | Sca Hygiene Prod Ab | Absorberande alster |
JP3583645B2 (ja) * | 1999-03-26 | 2004-11-04 | ユニ・チャーム株式会社 | メカニカルファスナのループ部材 |
-
2001
- 2001-05-11 US US09/853,213 patent/US20020168497A1/en not_active Abandoned
-
2002
- 2002-05-03 EP EP02741084A patent/EP1387628A1/fr not_active Withdrawn
- 2002-05-03 WO PCT/IB2002/002656 patent/WO2002091871A1/fr not_active Application Discontinuation
-
2003
- 2003-07-23 US US10/625,314 patent/US20040048034A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3156016A (en) * | 1961-11-13 | 1964-11-10 | Celanese Corp | Tow opening |
GB1465038A (en) * | 1974-03-21 | 1977-02-16 | Mackie & Sons Ltd J | Polymeric filaments |
JPH08188954A (ja) * | 1994-12-28 | 1996-07-23 | Unitika Ltd | 接合可能なシート状の不織布 |
EP0780505A2 (fr) * | 1995-12-20 | 1997-06-25 | Duflot Industrie (SA) | Partie femelle d'une fermeture auto-agrippante en non-tissé, son procédé de fabrication et fermeture agrippante ainsi obtenue |
EP0882828A1 (fr) * | 1997-05-30 | 1998-12-09 | Corovin GmbH | Matériau boucle |
US6197404B1 (en) * | 1997-10-31 | 2001-03-06 | Kimberly-Clark Worldwide, Inc. | Creped nonwoven materials |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 11 29 November 1996 (1996-11-29) * |
Also Published As
Publication number | Publication date |
---|---|
US20020168497A1 (en) | 2002-11-14 |
EP1387628A1 (fr) | 2004-02-11 |
US20040048034A1 (en) | 2004-03-11 |
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