Stretching webs of sheet material

Details Stretching webs of sheet material Stretching webs of sheet material

1976-05-24

1978-05-02

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

425394, B29C 1702

Patent

active

040872262

ABSTRACT:
Apparatus for transversely stretching a travelling web of flexible material particularly of extruded plastics netting comprising a pair of travelling conveyor means for restraining the longitudinal web margins from moving laterally inwardly and opposed banks of staggered wheels or endless belts between which the web passes while in the grip of the conveyor means and which press on opposite surfaces of the web at alternate spaced locations across its width to transversely stretch the web.

REFERENCES:
patent: 2158087 (1939-05-01), Rowe et al.
patent: 3220056 (1965-11-01), Walton
patent: 3315301 (1967-04-01), Dibblee et al.
patent: 3570064 (1971-03-01), De Groot
patent: 3577586 (1971-05-01), Kalwaltes et al.
patent: 3624874 (1971-12-01), Lauchenauer et al.

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