Variable width film die

Details Variable width film die Variable width film die

1992-09-03

1994-03-08

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling heat transfer with molding material

264 407, 2641761, 264327, 425144, 4253791, 425466, B29C 4786

Patent

active

052924637

ABSTRACT:
A novel extrusion method and apparatus are disclosed for varying the width of an extruded article which employs the use of thermal pins in the extruder die body and does not involve the use of any mechanical manipulation of the die configuration.

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