Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to heat the...
Patent
1997-08-28
1999-09-28
Mackey, James P.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to heat the...
249115, 249183, 264236, 264337, 264338, 264347, 4251748E, 425403, 425470, B29C 3308, B29C 3338
Patent
active
059583231
ABSTRACT:
A mandrel of a high frequency heating type, comprising a conductive layer comprising a metal member having an aspect ratio of at least 100, in a proportion of at least 60% by volume, and a surface layer formed thereon which is made from an organic polymer, and a method for producing a rubber hose using the mandrel. Inasmuch as the inventive mandrel enables heating the curable rubber extruded on the mandrel, from the inner surface side thereof, the curing time of the rubber can be drastically reduced. Moreover, since the surface layer of the mandrel is composed of an organic polymer, the mandrel can be easily pulled out from the cured rubber layer. The production method of the present invention is free of the difficulty in heating the inside of the rubber layer. The concurrent application of external heating has accomplished continuous production of rubber hose.
REFERENCES:
patent: 4140461 (1979-02-01), Wiley et al.
patent: 4145176 (1979-03-01), Nelson
patent: 4347487 (1982-08-01), Martin
patent: 4443679 (1984-04-01), Balordi
patent: 4747992 (1988-05-01), Sypula et al.
patent: 5262591 (1993-11-01), Aldissi
patent: 5293001 (1994-03-01), Gebs
patent: 5422048 (1995-06-01), Kodama et al.
Enomoto Sadahito
Fujio Hideki
Mio Kotaro
Yamamoto Akihiro
Mackey James P.
Mitsubishi Cable Industries Ltd.
Nichirin Co., Ltd.
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