GB2133816A - Fabric material - Google Patents
Fabric material Download PDFInfo
- Publication number
- GB2133816A GB2133816A GB08301319A GB8301319A GB2133816A GB 2133816 A GB2133816 A GB 2133816A GB 08301319 A GB08301319 A GB 08301319A GB 8301319 A GB8301319 A GB 8301319A GB 2133816 A GB2133816 A GB 2133816A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tapes
- warp
- fabric
- stretched
- weft
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
- D03D15/46—Flat yarns, e.g. tapes or films
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Woven Fabrics (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
A woven fabric material is formed from tapes of synthetic resinous material such as polypropylene, either the warp tapes or the weft tapes having discontinuous longitudinally extending localised weakened areas formed in them, for example discontinuous longitudinally extending grooves in the tapes. The woven fabric is then stretched by stretching longitudinally and at a raised temperature that set of warp tapes or weft tapes which does not have the weakened areas, thereby causing the tapes with the weakened areas to split at those areas and open up to take on the appearance of a network. The stretched woven fabric material is cooled in the stretched condition so that the final stretched woven fabric material obtained has a substantially greater area and a lesser overall thickness than the base woven fabric, i.e. the fabric before it was stretched.
Description
1
SPECIFICATION Fabric material
The present invention relates to fabric materials and particularly to woven fabric materials including tapes of stretchable synthetic resinous material. The present invention is an improvement in and modification of one aspect of the invention disclosed in our co-pending Patent Application No. 82.19923.
In the said co-pending patent application there is disclosed in relation to Figures 1 and 2 a woven construction formed from flat polypropylene tapes which constitute both the warp and weft elements of a base fabric material. The weft tapes are produced with longitudinal zones of weakness which are localised weakened areas extending longitudinally in each weft tape before the tape is woven into the base fabric material. After weaving these weft tapes with longitudinally extendable warp tapes the woven fabric material is heated to a temperature at which the synthetic resinous material becomes softened, and is tensioned in the warp direction to stretch the fabric in the warp direction to approximately twice its original length As the heated warp tapes are stretched and extend longitudinally they interact on the weft tapes with which they are in frictional contact so that the weft tapes tend to split, either continuously or intermittently, along the weakened areas or zones into strips which are pulled apart. When the degree of stretch of the warp tape is sufficient, each longitudinally weakened weft tape splits into a series of narrow strips so that the number of weft tapes in the fabric is multiplied. On subsequent cooling of the stretched fabric under tension, the warp tapes bond to the subdivided weft tapes at the intersection to give a final product which is a stretched fabric with a high degree of dimensional stability.
Instead of providing continuous longitudinally 100 extending localised weakened areas, for example continuous grooves extending longitudinally in the weft tape, the method according to the present invention provides for the formation of discontinuous longitudinally extending localised weakened areas in each weft tape.
The discontinuous longitudinally extending localised weakened areas may be arranged in groups of such areas with untreated portions of the tape between each group. Alternatively the discontinuous longitudinally extending localised weakened areas may be staggered so that most, if not all, of the length of the tape has one or more longitudinally extending area of laterally localised weakening within it.
When a woven fabric with weft tapes having discontinuous longitudinally extending localised weakened areas is heated and stretched under GB 2 133 816 A 1 tension in the warp direction, the weft tapes tend to split at these discontinuous weakened areas so that each weft tape is broken down into a series of interconnected strips. The strips are pulled apart from one another by frictional contact with the warp tapes so that each weft tape takes on the appearance of a network, which may be regular or irregular depending on the arrangement of the discontinuous weakened areas in the original weft tape. 70 If the degree of stretch of the warp tapes is very high, the splits formed at the discontinuous weakened areas may be propagated lengthwise so that substantial lengths, and possibly the whole length, of the weft tapes are subdivided into separate weft tapes. The treatment of the woven fabric formed with weft tapes as described is carried out substantially as described in our said co-pending Patent Application No. 82.19923 and the resulting product has similar advantages to those described for the product of the said co-pending patent application, including greater tenacity of the fabric (in grammes/dtex) in the warp direction, greater area of fabric for a given quantity of material, and good dimensional stability of the fabric when stretching of the fabric is undertaken under conditions permitting bonding of the warp and weft tapes at their intersections.
Instead of using the tapes with the discontinuous longitudinally extending localised weakened areas as weft tapes, they may be used as warp tapes in a fabric which is stretched transversely instead of longitudinally.
Claims (3)
1. A method of manufacturing a fabric material comprising the steps of forming a woven base fabric of warp and weft tapes, either the warp or the weft tapes being stretchable and the other of the warp and weft tapes including discontinuous longitudinal zones of weakness, stretching the base fabric to stretch the stretchable tapes and thereby split the other tapes at the zones of weakness, and thereby obtaining a stretched fabric having greater area than the original base fabric.
2. A method of manufacturing a fabric material comprising the steps of forming a woven base fabric of warp and weft tapes of synthetic resinous material, the warp tapes being molecularly stretchable in the longitudinal direction and the weft tapes including discontinuous longitudinally extending localised weakened areas, applying heat to raise the temperature of the woven base fabric, applying tension to the heated woven fabric to stretch the warp tapes in the longitudinal direction and simultaneously split at least some of the weft tapes at the weakened areas, and thereafter cooling the stretched woven fabric in the 2 GB 2 133 816 A 2 stretched condition.
3. A method of manufacturing a stretched woven fabric material by stretching a woven base fabric including weft tapes having discontinuous longitudinally extending localised weakened areas substantially as hereinbefore described.
Printed for Her Majesty's Stationery Office by the Courier Press, Leamington Spa, 1984. Published by the Patent Office, 25 Southampton Buildings, London, WC2A lAY, from which copies may be obtained.
j J_
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08301319A GB2133816B (en) | 1983-01-18 | 1983-01-18 | Fabric material |
EP84300260A EP0114121B1 (en) | 1983-01-18 | 1984-01-17 | Fabric material |
AT84300260T ATE22940T1 (en) | 1983-01-18 | 1984-01-17 | TISSUE. |
DE8484300260T DE3460988D1 (en) | 1983-01-18 | 1984-01-17 | Fabric material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08301319A GB2133816B (en) | 1983-01-18 | 1983-01-18 | Fabric material |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8301319D0 GB8301319D0 (en) | 1983-02-16 |
GB2133816A true GB2133816A (en) | 1984-08-01 |
GB2133816B GB2133816B (en) | 1986-06-11 |
Family
ID=10536501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08301319A Expired GB2133816B (en) | 1983-01-18 | 1983-01-18 | Fabric material |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0114121B1 (en) |
AT (1) | ATE22940T1 (en) |
DE (1) | DE3460988D1 (en) |
GB (1) | GB2133816B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU177590U1 (en) * | 2017-04-19 | 2018-03-01 | Закрытое акционерное общество "Промтекстиль" | FABRIC TECHNICAL "MIK-1" |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB326735A (en) * | 1929-07-08 | 1930-03-20 | Cluett Peabody & Co Inc | Improvements in the art of making textiles and textile articles |
GB2103671A (en) * | 1981-07-14 | 1983-02-23 | Fyfe Ltd Scott | Stretched fabric material |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070176A3 (en) * | 1981-07-14 | 1984-07-11 | Scott & Fyfe Limited | Stretched fabric material |
-
1983
- 1983-01-18 GB GB08301319A patent/GB2133816B/en not_active Expired
-
1984
- 1984-01-17 EP EP84300260A patent/EP0114121B1/en not_active Expired
- 1984-01-17 AT AT84300260T patent/ATE22940T1/en not_active IP Right Cessation
- 1984-01-17 DE DE8484300260T patent/DE3460988D1/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB326735A (en) * | 1929-07-08 | 1930-03-20 | Cluett Peabody & Co Inc | Improvements in the art of making textiles and textile articles |
GB2103671A (en) * | 1981-07-14 | 1983-02-23 | Fyfe Ltd Scott | Stretched fabric material |
Also Published As
Publication number | Publication date |
---|---|
ATE22940T1 (en) | 1986-11-15 |
DE3460988D1 (en) | 1986-11-20 |
GB2133816B (en) | 1986-06-11 |
EP0114121B1 (en) | 1986-10-15 |
EP0114121A3 (en) | 1984-12-12 |
GB8301319D0 (en) | 1983-02-16 |
EP0114121A2 (en) | 1984-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960118 |