Method and device for the manufacture of flexible tubular bodies

Details Method and device for the manufacture of flexible tubular bodies Method and device for the manufacture of flexible tubular bodies

1985-09-25

1986-05-27

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

29820, 57311, 140 71C, 140149, B21F 304, B21F 700, B65H 8108

Patent

active

045907528

ABSTRACT:
The invention refers to a method and a device for the manufacture of flexible tubular bodies in which one or more profiled strands are deformed spirally in a permanent manner before proceeding to winding it or them spirally in order to form a cylindrical carcass, by making the profiled strand pass over two pulleys in succession.
The profiled strand is wound on the flat round each of the pulleys, the axes of the two pulleys being angularly offset so as to cause a permanent twist in the length of profiled strand situated between the said two pulleys.

REFERENCES:
patent: 1808444 (1931-06-01), Zapf
patent: 1809032 (1931-06-01), Gregson
patent: 1998430 (1935-04-01), Barclay
patent: 3090190 (1963-05-01), Boussu et al.
patent: 3396522 (1968-08-01), Biagini
patent: 3717987 (1973-02-01), Gilmore et al.
patent: 3779058 (1973-12-01), Norman
patent: 3811257 (1974-05-01), Burr
patent: 4075880 (1978-02-01), Copeland
patent: 4195469 (1980-04-01), Tarantola

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