Apparatus for stretching plastic webs

Details Apparatus for stretching plastic webs Apparatus for stretching plastic webs

1978-10-17

1982-06-29

Mackey, Robert

Textiles: cloth finishing

Expanding device for textile webs

Spreader

D06C 306

Patent

active

043366384

ABSTRACT:
An apparatus is afforded for transversely stretching a continuously advancing flexible web between a pair of opposed banks of tranversely-spaced pressure elements, one of which banks is stationary and whose elements have slide surfaces, the margins of the web being restrained to prevent substantial inward movement of said margins.

REFERENCES:
patent: 1732968 (1929-10-01), Dwight
patent: 2158087 (1939-05-01), Nowe et al.
patent: 3220056 (1965-11-01), Walton
patent: 3257488 (1966-06-01), Rasmussen
patent: 3305911 (1967-02-01), Chapman et al.
patent: 3315301 (1967-04-01), Dibblee et al.
patent: 3466358 (1969-09-01), Muller
patent: 3517098 (1970-06-01), Nasmussen
patent: 3570064 (1971-03-01), DeGroot
patent: 3577586 (1971-05-01), Kalwaites et al.
patent: 3624874 (1971-12-01), Lauchenauer
patent: 3849526 (1974-11-01), Muller et al.

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