Pipe scraper

Details Pipe scraper Pipe scraper

1975-09-09

1977-06-28

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Implements

1510418, B08B 902

Patent

active

040315908

ABSTRACT:
Apparatus for scraping the interior sides of the walls of pipes, having retractable scraper elements at each end of a carrier body or at only one end thereof. The scraper apparatus is preferably moved in both directions through a pipe, the trailing scraper elements preferably being retracted during movement of the apparatus in each direction. The apparatus is particularly designed for removal of coating materials such as cosmoline from pipes before use of the pipes in pipelines.

REFERENCES:
patent: 775677 (1904-11-01), Healey
patent: 2038170 (1936-04-01), Flavin
patent: 2219555 (1940-10-01), Burwell
patent: 2278026 (1942-03-01), Smith
patent: 2304023 (1942-12-01), Sandin
patent: 2930059 (1960-03-01), Frank
patent: 2932837 (1960-04-01), Ver Nooy
patent: 2957189 (1960-10-01), Nelson et al.

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