Manufacturing method of synthetic resin core material

Details Manufacturing method of synthetic resin core material Manufacturing method of synthetic resin core material

2006-05-11

2008-12-02

Hug, Eric (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

C264S163000, C425S306000, C425S307000, C425S308000, C425S315000

Reexamination Certificate

active

07459111

ABSTRACT:
A method of manufacturing a synthetic resin core material having a substantially U-shaped cross section which is used in are extruded molding product for holding an opening portion of a vehicle body such as a door or a trunk of an automobile comprises the steps of extruding a synthetic resin to form a core material having a substantially U-shaped cross section, moving the U-shaped core material toward a cutting machine, rotating opposed rotors having blade-shaped portions in the cutting machine, and cutting and forming cut portions or cut slot portions on both lateral sides of the U-shaped core material.

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