Manufacturing method of synthetic resin core material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7459111
APP PUB NO 20060267362A1
SERIAL NO

11431749

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
SYSTEM TECHNICAL CO LTD22-5 MATSUGAOKA 2-CHOME MORIYA-MACHI KITASOUMA-GUN IBARAGI
TOKIWA CHEMICAL INDUSTRIES CO LTD265-5 KAWARAKO SHIROI-CHO INBA-GUN CHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Katsuhisa Inzai, JP 34 275
Miyakawa, Naohisa Shiroi, JP 21 231

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