Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Of varying cross-sectional area or with intermittent...
Patent
1993-09-13
1995-08-15
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Of varying cross-sectional area or with intermittent...
156107, 15624415, 15624425, 26417716, 2642092, 425465, B29C 4722
Patent
active
054416884
ABSTRACT:
A method is provided for forming an elongate body having thickness change, such as a car window molding. In the method, a vertical member is extruded into a fixed wall thickness and a fixed outline. A horizontal member is extruded into the same outline as that of the vertical member but has a smaller wall thickness than that of the vertical member. An apparatus is provided to perform the method. The apparatus has a slide core axially reciprocating in a bore of a die so as to change a shape of a forming space.
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Goto Shinichi
Hayashi Kazukiyo
Iwasaki Hiroshi
Komiyama Chiaki
Thurlow Jeffery R.
Toyoda Gosei Co,., Ltd.
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