Apparatus for stretching a film of plastic material

Details Apparatus for stretching a film of plastic material Apparatus for stretching a film of plastic material

1989-03-02

1990-04-03

Schroeder, Werner H.

Textiles: cloth finishing

Expanding device for textile webs

28245, D06C 300

Patent

active

049128205

ABSTRACT:
A stretching apparatus in accordance with the invention has an upstream roll (2) and a downstream roll (6) which are driven with a given peripheral speed ratio, together with a plurality of intermediate rolls (8, 9) which are not motorized, but which are coupled to each other to rotate with a given peripheral speed ratio which is less than the speed ratio between the upstream and downstream rolls (2, 6).

REFERENCES:
patent: 3500519 (1970-03-01), Stanley
patent: 4496507 (1985-01-01), Okita et al.

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