Apparatus and method for measuring and of controlling the...

Details Apparatus and method for measuring and of controlling the... Apparatus and method for measuring and of controlling the...

2007-02-06

2007-02-06

Del Sole, Joseph S. (Department: 1722)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Measuring, testing, or inspecting

C264S210200

Reexamination Certificate

active

11042750

ABSTRACT:
Heating and extruding a polymeric sheet having a predetermined thickness and introducing it into and through a gap between cooling rolls, measuring directly by laser beam and without reflection the gap between the cooling rolls, and controlling the gap to control minimal pressure on the softened and heat-plastified sheet.

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