08-12-1971 дата публикации
Номер: GB0001256034A
Принадлежит:
... 1,256,034. Shrinking fabrics. HOSIERY & ALLIED TRADES RESEARCH ASSOCIATION. 10 Sept., 1969, No. 44597/69. Heading D1S. In apparatus for compacting a fabric widthwise while maintaining its length, by passing the fabric into the nip between two endless travelling belts and, while it is gripped in the nip, progressively reducing its width by progressively reducing the width of the belts, the belts comprise a succession of parallely disposed coil springs extending transversely of the belt and these springs are at least in part covered with expandible and contractable covering material. The apparatus is similar to that described in Specification 1,009,202 but modified in that the coil springs are covered with a foamed plastics material, e.g. foamed polyether, to prevent the fabric becoming trapped between the convolutions of the springs. The foamed plastics material may be foamed about or laminated onto both sides of the coil springs whilst they are held in a frame to give the required maximum ...
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