Adapting piece of thermoplastic material

Details Adapting piece of thermoplastic material Adapting piece of thermoplastic material

1989-02-28

1990-05-22

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285243, 285369, 285423, F16L 2108

Patent

active

049271830

ABSTRACT:
An adapting piece of thermoplastic material includes at least one welding sleeve portion with an electrical heating device formed by two heating mats arranged next to each other in circumferential direction. The welding sleeve portion has at least one radial incision extending in axial direction. By means of a clamping nut, the welding sleeve portion can be braced together with the heating elements against a tubular piece inserted in the welding sleeve portion. As a result, the pieces are fixed and supported before and during welding.

REFERENCES:
patent: 3788928 (1974-01-01), Wise
patent: 3907625 (1975-09-01), Vogelsanger
patent: 4096017 (1978-06-01), Wyke et al.
patent: 4274662 (1981-06-01), de Groot et al.
patent: 4362684 (1982-12-01), Thalmann
patent: 4508368 (1985-04-01), Blumenkranz
patent: 4536644 (1985-08-01), Thalmann
patent: 4602148 (1986-07-01), Ramsey

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