Bristle pig cup

Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner

Patent

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Details

B08B 904

Patent

active

045064016

ABSTRACT:
For use with a mandrel supporting a plurality of cups, an improved pipeline pigging cup is set forth in the preferred and illustrated embodiment. The cup is equipped with a large protruding lip around the periphery, and has a reinforcing member in the lip to secure the lip in a resilient fashion against the surrounding pipeline. The reinforcing member is formed of a strip of cloth backing with upstanding staples in the form of a multitude of small staple tips; the tips are arranged at or near the surface of the lip, thereby defining an abrasion resistant surface.

REFERENCES:
patent: 1756378 (1930-04-01), Oberhuber
patent: 3107379 (1963-10-01), Hill
patent: 4077079 (1978-03-01), Knapp
patent: 4275475 (1981-06-01), Schwartz

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