Method and apparatus for longitudinal compressive treatment of w

Details Method and apparatus for longitudinal compressive treatment of w Method and apparatus for longitudinal compressive treatment of w

1988-09-19

1990-01-16

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

26 186, 162111, 162280, B29C 5328, D06C 2100

Patent

active

048941964

ABSTRACT:
A machine and method for treating a web by longitudinal compressive action, by pressing a web against a driven roll to drive it into a treatment cavity bounded by the roll and an overlying surface, followed by application of retarding forces by extrusion in which the extrusion orifice is arranged with its axis substantially parallel to the roll at the web-drive point, and in which resilient self-adjustment of the extrusion orifice is achieved by employing a plate-form member parallel to the web which is resiliently urged toward the drive nip in the direction of extent of the plate-form member.

REFERENCES:
patent: 4422892 (1983-12-01), Plant

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