Foam pig with scraper strips

Details Foam pig with scraper strips Foam pig with scraper strips

1995-04-12

1996-07-09

Scherbel, David

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

B08B 904

Patent

active

055332242

ABSTRACT:
A foam pig body supports one, two or three helical coil strips. Each strip is formed of a backing and supports plural ridges. The ridges extend radially outwardly to clean the pipeline. The ridges are at right angles to the centerline axis of the foam pig body.

REFERENCES:
patent: 3204274 (1965-09-01), Knapp
patent: 3538531 (1970-11-01), Knapp et al.
patent: 3605159 (1971-09-01), Girard
patent: 4720884 (1988-01-01), Ralls
patent: 4825498 (1989-05-01), Rankin

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