Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1997-02-14
2000-06-27
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
15 35, B08B 904
Patent
active
060790741
ABSTRACT:
A pig injector has a magazine having a plug at one end and connected to a pig injector valve at the other end. The pig injector valve has a rotatable pig receiving chamber with a length L. Plural pigs of length L between rounded ends are positioned end to end within the elongate interior cavity of the magazine. A method of injecting pigs into a pipe at a pig injector valve comprising: (a) storing plural pigs in a magazine connected to the pig injector valve; (b) rotating the ball of the pig injector valve to be in position to receive a pig and close the pipe; (c) moving a pig from the magazine into the pig injector valve; (d) rotating the ball of the pig injector valve to open the pig injector valve and release the pig in the pipe; (e) moving the pig away from the pig injector valve with fluid pressure in the pipe; and subsequently repeating steps (b)-(e) with a second pig. Steps (b)-(e) may be repeated plural times and at regular intervals.
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ITAG Standard Specification, Overheads PIC Systems IN 9-004, 2 pages, no date.
ITAG Pic Valve produce brochure, 8 pages, received Apr., 1996.
ARGUS product brochure, The Argus Pig Valve, 4 pages, Oct., 1996.
Argus Machine Co. Ltd.
Chin Randall E.
Lambert Anthony R.
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