Method for stretching a thermo-softening high molecular film

Details Method for stretching a thermo-softening high molecular film Method for stretching a thermo-softening high molecular film

1977-10-03

1979-04-24

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

26 71, 425446, B29C 1702

Patent

active

041512456

ABSTRACT:
A method of stretching a high molecular film by nipping the film through rubber-like resilient members and applying pressure thereto and an apparatus adapted to carry the method into practice, which apparatus is especially adapted to effect cold stretching of a high molecular film.

REFERENCES:
patent: 3235644 (1966-02-01), Rasmussen
patent: 3370111 (1968-02-01), Boone
patent: 3400196 (1968-09-01), Le Roy
"Roll Cleaner and Better Sheet-Faster", Williams, Jr. et al., SPE Journal, Dec. 1971, vol. 27, pp. 42-48.

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