Pipeline pig

Details Pipeline pig Pipeline pig

1976-08-19

1978-03-07

Christian, Leonard D.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

B08B 904

Patent

active

040770796

ABSTRACT:
A new and improved pig is disclosed. In the preferred embodiment, the pig is constructed of a foamed plastic body which is elongate, shaped somewhat like a bullet and which body is wrapped with spiraled cloth which is joined into the bullet shaped body by the elastomeric material which forms the body. The cloth material is a backing for metal staples which are U-shaped and which position pairs of parallel points extending outwardly. They form collectively an abrasive surface on the body which enables it to clean a pipeline. An improvement is incorporated wherein an additional coat of elastomeric material encapsulates the staples, supporting them in a fixed relative position to one another and which additional coating material is on the exterior of the belting to support the staples.

REFERENCES:
patent: 3011197 (1961-12-01), Nehse et al.
patent: 3277508 (1966-10-01), Knapp
patent: 3389417 (1968-06-01), Knapp et al.

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