Lance tip construction

Details Lance tip construction Lance tip construction

1976-07-09

1978-02-14

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

B08B 902

Patent

active

040730263

ABSTRACT:
A tube cleaning lance tip construction including a body portion, a first bore extending longitudinally of the body portion, a plurality of second bores extending between the first bore and the outer surface of the body portion for causing liquid to be ejected with a net lateral force component to bias the body portion against the inside of the tube in which the lance tip is located, and first and second rows of axially spaced blades on the opposite side of the body portion from the second bores, said blades having axial and radial cutting edges for removing incrustations from the tube as the lance tip rotates and advances axially through the tube.

REFERENCES:
patent: 1161122 (1915-11-01), Froussard
patent: 1193361 (1916-08-01), Crepeau
patent: 2313042 (1943-03-01), Bay
patent: 2411209 (1946-11-01), Hall et al.

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