Electric heating – Heating devices – With heating unit structure
Patent
1992-07-21
1993-10-12
Reynolds, Bruce A.
Electric heating
Heating devices
With heating unit structure
219535, 285 21, 285286, 285410, B29C 6500, F16L 4702
Patent
active
052528103
ABSTRACT:
A part molded from thermoplastic material is disclosed comprising welding bush portions each of which are provided with a heating coil for connection with tubularly-shaped parts. A clamping portion with slots and screws arranged in flanges facilitates the clamping of wherein the welding bush portion by the screws against the inserted tubularly-shaped part, assuring fixation and retention of the parts prior to and during the welding process.
REFERENCES:
patent: 4299413 (1981-11-01), Neher
patent: 4508368 (1985-04-01), Blumenkranz
patent: 4530524 (1985-07-01), Stephens
patent: 4958857 (1990-09-01), Sixsmith
Porfido Erasmo
Schnetzler Kurt
Trosch Paul
Georg Fischer Rohrleitungssysteme AG
Reynolds Bruce A.
Switzer Michael D.
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