Pipe thread protector

Details Pipe thread protector Pipe thread protector

1980-03-07

1982-10-19

Little, Willis

Pipes and tubular conduits

End protectors

Threaded

B65D 5906

Patent

active

043545297

ABSTRACT:
A resilient pipe thread protector comprises a substantially annular resilient body having an interior opening provided with a thread pattern conformed to mate with the threads of the ends of a drill pipe. To allow for installation onto drill pipes of various sizes the thread protector includes a convolved split defining a plurality of interlocking projections and includes a similarly patterned circular spring within the interior thereof. The foregoing assembly may be formed by injection molding with the convolved split being achieved through the use of a separator plate splitting the mold.

REFERENCES:
patent: 2251428 (1941-08-01), Smith
patent: 3038502 (1962-06-01), Hauk et al.
patent: 4205707 (1980-06-01), Lundgrien

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