Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1989-11-07
1991-01-15
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
15104062, B08B 904
Patent
active
049843222
ABSTRACT:
An elastomeric disc for use on a pipeline pig of the type having a longitudinal body supported centrally within a pipeline for movement by fluid flow therethrough, the disc being in the form of a unitary elastomeric member having an outer peripheral surface concentric with the pipeline pig body longitudinal axis and having an inner portion of selected thickness with means for attachment to the pipeline pig body whereby the disc is supported in a plane perpendicular the pipeline line axis, the disc member having an integrally formed circumferential outer portion, the outer portion being of increased thickness in relation to the spacing thereof from the disc center, the outer peripheral surface being defined by first and second intersecting frustraconical surfaces, one of the surfaces being parallel to the inner wall of the pipeline through which the disc is moved in a first direction and the other of the surfaces being parallel to the inner wall of the pipeline when the disc is moved in a second direction.
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Cho Hyun J.
Rankin William J.
Graham Gary K.
Roberts Edward L.
TDW Delaware Inc.
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