Plastic part provided with a metal threaded element

Details Plastic part provided with a metal threaded element Plastic part provided with a metal threaded element

1987-09-16

1990-04-17

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285347, F16L 5500

Patent

active

049174070

ABSTRACT:
A plastic housing cover for a valve having an integral connector nozzle part provided with a metal threaded nipple element is proposed, in which it is assured that the threaded element, inserted in a sealing manner into the plastic, cannot destroy the tight connection with the plastic part during the twisting of insertion and possible twisting on the part of the threaded element itself. The threaded element is accordingly given an opportunity at the outset to rotate, while maintaining the tightness of the seal. The threaded nipple element is preferably a hollow threaded connector and the plastic part comprises a cover of a compressed air valve, especially a brake valve.

REFERENCES:
patent: 1936669 (1933-11-01), Heeter
patent: 2453997 (1948-11-01), MacWilliam
patent: 2461414 (1949-02-01), Donner
patent: 2498395 (1950-02-01), Coss
patent: 2570406 (1951-10-01), Troshkin et al.
patent: 2751767 (1956-06-01), Hedden
patent: 2776151 (1957-01-01), Harkenrider
patent: 3396848 (1968-08-01), Kozel
patent: 3455579 (1969-07-01), Olliff, Jr. et al.
patent: 3578360 (1971-05-01), Eliot
patent: 4026581 (1977-05-01), Pasbrig
patent: 4093280 (1978-06-01), Yoshizawa et al.
patent: 4103941 (1978-08-01), Stoll
patent: 4220358 (1980-09-01), Gaffney

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