Pipe thread protectors and method for forming same

Details Pipe thread protectors and method for forming same Pipe thread protectors and method for forming same

1982-01-07

1983-08-02

Shepperd, John W.

Pipes and tubular conduits

End protectors

Threaded

24 69ST, F16L 5700

Patent

active

043960383

ABSTRACT:
Set out herein are improvements to pipe thread protectors of the type described in U.S. Pat. No. 3,038,502 to Hauk et al., characterized by a band buried within a split torroidal envelope with the band ends being pulled together by a cam operated lever. It is the improved structure of the cam and the attached lever configuration resulting in manufacturing convenience that is set out herein. The cam is generally conformed as a cut out on the interior of a cylindrical sleeve which is provided with a release recess through which the lever may be inserted or withdrawn. These features permit the complete forming of the lever and the cam while separated thus allowing techniques like investment casting to be used for the construction thereof.

REFERENCES:
patent: 1074706 (1913-10-01), Ferguson
patent: 3038502 (1962-06-01), Hauk et al.
patent: 3858910 (1975-01-01), Oetiker
patent: 3876234 (1975-04-01), Harms
patent: 4190087 (1980-02-01), Herman et al.

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