Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1976-12-16
1978-04-11
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
137268, 166153, 166170, B08B 904
Patent
active
040830748
ABSTRACT:
A multipurpose pig for treating the interior of pipes or for conveying material through a pipeline constructed of a main body portion having a length approximately one and one-half times its diameter with one end of the body portion being cup-shaped and including flanges extending outwardly therefrom. The other end of the main body includes a hub with a central opening therethrough for securing a plurality of cutting blade elements to the hub for cleaning the interior of pipelines with the passage of the multipurpose pig therethrough. The main body portion further includes a plurality of sealing elements extending from the hub to the cup-shaped flange with the diameter of the plurality of sealing elements and said flange being approximately equal.
REFERENCES:
patent: 1994072 (1935-03-01), Hardcastle
patent: 2480358 (1949-08-01), Curtis et al.
patent: 3102595 (1963-09-01), Fisher, Jr. et al.
patent: 3545542 (1970-12-01), Scott
patent: 3616850 (1971-11-01), Scott
Mustang Services Co.
Roberts Edward L.
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