Device for biaxially stretching film

Details Device for biaxially stretching film Device for biaxially stretching film

1985-04-30

1987-07-14

Mackey, Robert R.

Textiles: cloth finishing

Expanding device for textile webs

Biaxial expansion

D06C 304, B29C 5516

Patent

active

046792830

ABSTRACT:
A device is disclosed for a variable speed carrier with power input from a chain drive to a sprocket on the carrier and power output to cones affixed to the sprocket and running on a pair of rails of variable spacing.

REFERENCES:
patent: 2298675 (1942-10-01), Callender
patent: 2674203 (1954-04-01), Bellah et al.

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