Electric heating – Metal heating – Of cylinders
Patent
1990-01-19
1992-03-03
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1053, 219 1081, 1562744, 285 41, H05B 654
Patent
active
050935461
ABSTRACT:
A method of connecting plastic tubes by high-frequency heating comprising preparing an electrode block having at least two electrode members each having annular bores aligned with each other, the electrode block including at least one insulator interposed between the electrode members, the insulator having a bore aligned with those of the electrode members, inserting an end portion of one tube into the one electrode member and an end portion of the other tube into another electrode member so that both tube ends keep contact with each other in the bore of the insulator, and applying a high frequency voltage between the electrode members.
REFERENCES:
patent: 2498383 (1950-02-01), Story
patent: 3327086 (1967-06-01), Cable
patent: 3959058 (1976-05-01), Rath et al.
patent: 4210479 (1980-07-01), Fabisiewicz
patent: 4954678 (1990-09-01), Harmony et al.
Honda Hiroshi
Kawaoka Tatsuhiko
Matsumiya Toshiharu
Ogawara Hiroshi
Sakamoto Kazuo
Leung Philip H.
Sekisui Kagaku Kogyo Kabushiki Kaisha
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