Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Using direct contact of electrode or electrical wire with...
Patent
1996-03-29
1999-03-02
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Using direct contact of electrode or electrical wire with...
264452, 264486, 264491, 264151, 264163, 264296, 264DIG46, 4251748R, B29C 3512
Patent
active
058766561
ABSTRACT:
With an auxiliary electrode having a shape corresponding to the end of a workpiece attached to an upper electrode of a high frequency heater for high-frequency heating the end of the workpiece extruded, the workpiece is high-frequency heated intensively and uniformly between the auxiliary electrode and the lower electrode. After heating, the end of the workpiece is molded into a predetermined shape by a couple of stamping molds.
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patent: 4937021 (1990-06-01), Danforth et al.
patent: 4940557 (1990-07-01), Kimura
patent: 5082436 (1992-01-01), Choi et al.
patent: 5139407 (1992-08-01), Kim et al.
patent: 5338497 (1994-08-01), Murray et al.
Goto Shinichi
Iwasaki Hiroshi
Kobayashi Masao
Nada Sadao
Thurlow Jeffery R.
Toyota Gosei Co., Ltd.
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