Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1986-07-16
1988-04-12
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
137268, B08B 904
Patent
active
047364823
ABSTRACT:
A pipeline pig bypassing assembly is provided which remvoes a pipe pig from a pipeline system and which reintroduces a pig into the system when a second pig enters the assembly. Preferably, the bypassing assembly includes a tubular receiving means connected between two pipes of a pipeline system, a diverter for diverting a pig moving through a first pipe into the assembly, and releasing means for retaining a pipe pig in the receiver and for releasing the pig into a second pipe when a second pig enters the assembly. The receiving means sealingly engages a pipe pig therein to prevent passage therethrough of the material being transported by the pipeline system.
REFERENCES:
patent: 3224247 (1965-12-01), Barrett, Jr.
patent: 3387483 (1968-06-01), Van Arsdale
patent: 3664356 (1972-05-01), Grove et al.
patent: 3678730 (1972-07-01), Barrett, Jr.
Roberts Edward L.
Taylor Forge Engineered Systems, Inc.
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