Apparatus for stretching a thermoplastic material web

Details Apparatus for stretching a thermoplastic material web Apparatus for stretching a thermoplastic material web

1987-11-09

1989-09-05

Mackey, Robert R.

Textiles: cloth finishing

Expanding device for textile webs

Spreader

26 72, 26 92, D06C 304

Patent

active

048625647

ABSTRACT:
A thermoplastic material web is stretched transverse to the machine direction along a stretch course which widens exponentially in the stretching zone, an improved stretching apparatus being used to effect such stretching.

REFERENCES:
patent: 2896262 (1959-07-01), Herrmann
patent: 3078504 (1963-02-01), Koppehele
patent: 3247544 (1966-04-01), Bromley
patent: 3254148 (1966-05-01), Nichols
patent: 3432894 (1969-03-01), Sass
patent: 3551546 (1970-12-01), Gosper et al.
patent: 3577586 (1971-05-01), Kalwaites et al.

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