Pig for a fluid conducting system

Details Pig for a fluid conducting system Pig for a fluid conducting system

1986-01-14

1988-08-30

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

With indicating, signalling, recording, sampling, or...

1510405, 422132, B01J 1400, C07B 6100

Patent

active

047676035

ABSTRACT:
A pig for a fluid conducting system includes a support member, a first rim extending substantially longitudinally from an end of the support member, and a second rim extending substantially longitudinally from an opposite end of the support member. In a preferred embodiment, the pig also includes an axially located actuator, disposed beyond the first rim, for actuating a first location signal signifying the pig has reached a first predetermined location. This embodiment also includes another actuator, disposed beyond the second rim, for actuating a second location signal signifying the pig has reached a second predetermined location.

REFERENCES:
patent: 2099723 (1937-11-01), Carver
patent: 2283460 (1942-05-01), Pumphrey
patent: 2558977 (1951-07-01), Pearson
patent: 3725968 (1973-04-01), Knapp et al.
patent: 3835889 (1974-09-01), Hyde
patent: 3857132 (1974-12-01), Knapp et al.
patent: 3906576 (1975-09-01), Knapp et al.
patent: 4595566 (1986-06-01), Byrd et al.

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