Electric heating – Heating devices – Combined with pressure application means
Patent
1999-05-14
2000-04-25
Jeffery, John A.
Electric heating
Heating devices
Combined with pressure application means
1563797, 1562739, B29C 6534
Patent
active
060546794
ABSTRACT:
A molded product is thermally bonded mutually with another molded product by disposing the resistance heating element (20) to the bonding face of product molded with the thermoplastic resin, making the bonding electrode (10) contact the resistance heating element (20) and by impressing the voltage for its heat generation. The heat generation temperature of the resistance heating element (20) at the voltage impressed portion (21) is suppressed to the level lower than the fusion temperature of resin by blowing the cooling gas toward the voltage impressed portion (21) from a vent hole (11) provided on the bonding electrode (10).
REFERENCES:
patent: 4040889 (1977-08-01), Acda
Ito Takeshi
Sakuma Hideaki
Jeffery John A.
Tohoku Munekata Co., Ltd.
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