Pneumatic pipe inspection device

Details Pneumatic pipe inspection device Pneumatic pipe inspection device

1985-03-18

1987-03-03

Levy, Stewart J.

Pipes and tubular conduits

Repairing

Patches

73 405R, 734321, 138 93, 138 97, 104155, 1041382, F16L 5512, F16L 5500

Patent

active

046467874

ABSTRACT:
A pipe worm comprises radially inflatable toroids spaced along an axially inflatable tubular body. The worm inches through piping through sequential inflation and deflation of the toroids and tubular body. The worm includes a fluid supply source, pipe maintenance instrumentation and automatic, semiautomatic or manual controls which are remote, on-board or trailered, as desired. The worm is inexpensive, reliable, capable of turning 90 degree corners, and further uniquely advantageous.

REFERENCES:
patent: 2192155 (1940-02-01), Schuldt
patent: 2975637 (1961-03-01), Burdick
patent: 3381714 (1968-05-01), Johnson
patent: 3495546 (1970-02-01), Brown et al.
patent: 3902528 (1975-09-01), Tartabini et al.
patent: 4000655 (1977-01-01), Jones
patent: 4067349 (1978-01-01), Austin et al.
patent: 4070904 (1978-01-01), Vanderlans
patent: 4369713 (1983-01-01), Richardson
patent: 4372161 (1983-02-01), de Buda et al.
patent: 4403551 (1983-09-01), Slight

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