Weather-resistant and self-draining thread protector

Details Weather-resistant and self-draining thread protector Weather-resistant and self-draining thread protector

1983-12-19

1984-12-11

Bryant, III, James E.

Pipes and tubular conduits

End protectors

Threaded

138 89, F16L 5510

Patent

active

044872283

ABSTRACT:
A self-draining composite plastic and steel thread protector for both the pin and box ends of oil field tubulars. The protector completely seals and prevents pressure differentials across the threads as well as provides openings for draining any moisture that may enter the tubular.

REFERENCES:
patent: 1653403 (1927-12-01), McCue
patent: 1708657 (1929-04-01), Brown et al.
patent: 2737205 (1956-03-01), Stringfield
patent: 2780718 (1957-02-01), Mullen
patent: 3074579 (1963-01-01), Miller
patent: 3661291 (1972-05-01), Hetzer
patent: 3818946 (1974-06-01), Bonnes et al.
patent: 4210179 (1980-07-01), Galer
patent: 4303101 (1981-12-01), Tholen
patent: 4337799 (1982-07-01), Hoover
patent: 4379471 (1983-04-01), Kuenzel

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