Elongate composite member having a longitudinally varying cross-sectional shape, as well as method of, and apparatus for manufacturing the same

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United States of America Patent

PATENT NO 6096402
SERIAL NO

08930332

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Abstract

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An elongate composite member suitable for a vehicle ornamental member comprises an elongate shaped body having a common cross-section part with a longitudinally constant cross-sectional shape, and a varying cross-section part with a longitudinally varying cross-sectional shape. A resin part is formed by extrusion molding along the varying cross-section part to continuously extend in the longitudinal direction, thereby realizing an excellent overall appearance. Such elongate composite members can be readily and continuously manufactured basically with an extrusion molding process, wherein the elongate shaped body is continuously and longitudinally fed into an extrusion die assembly comprising a stationary die and the movable die, through which the common cross-section part and the varying cross-section part are respectively passed in the longitudinal direction. The movable die is moved in a direction intersecting the passing direction of the elongate shaped body, in which the varying cross-section part varies during its passage in the longitudinal direction. At the same time, a resin is extruded from an extrusion orifice in the movable die, so that the elongate shaped body is formed with the resin part extending continuously in the longitudinal direction.

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Patent Owner(s)

Patent OwnerAddress
HASHIMOTO FORMING INDUSTRY CO LTDYOKOHAMA-SHI KANAGAWA 245

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tamura, Tatsuya Yokohama, JP 109 3143

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