Pipeline pig sweeper and sweeper pin

Details Pipeline pig sweeper and sweeper pin Pipeline pig sweeper and sweeper pin

1992-06-23

1993-10-19

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

1523601, B08B 904, F16L 5526

Patent

active

052533859

ABSTRACT:
A sweeper for sweeping the interior space of a pipe by passing the sweeper through the pipe to remove scale form the inner surface of the pipe. The sweeper includes a body made of a resilient material, such as foamed polyurethane, and a plurality of pins projecting radially outward from the body. Each of the pins includes a head portion located outward the body and stem portion for holding the pin on the body. The head portion of the pin includes a plurality of fingers having tip end surfaces which are inclined in opposite directions relative to the direction of movement of the sweeper in the pipe.

REFERENCES:
patent: 4170267 (1979-10-01), Bourlier
patent: 4244073 (1981-01-01), Sagawa
patent: 4876761 (1989-10-01), Sagawa

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