Use of infrared radiation in molding of protective caps

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Limited to treatment of surface or coated surface

Reexamination Certificate

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Details

C264S481000, C264S492000, C264S163000

Reexamination Certificate

active

06949217

ABSTRACT:
The invention is a method of a sheet (134) of thermoplastic material between upper and lower molds (102, 104), heating the sheet to a plastic state using electromagnetic radiation and molding the sheet. The molds (102, 104) are preferably formed of silicon and infrared radiation is preferably used to heat the sheet (134).

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