Internal pipe line delivery device

Details Internal pipe line delivery device Internal pipe line delivery device

1980-07-31

1982-08-17

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

292811, 228216, B23P 1904

Patent

active

043442145

ABSTRACT:
The invention is a remotely thermally activatable device for delivering a payload to a pre-determined location within a pipe comprising a carrier means for supporting the payload, a driver means to axially move the carrier means, and a thermally activatable trigger means connected to the driver means to actuate the driver means. In operation, the device and payload may be placed in a location within a pipe, for example, near the end of a pipe to be welded to an adjoining pipe. Subsequent to such welding, the instant invention may be remotely activated by outside heating of the pipeline in the vicinity of the device, thereby causing the device to move the payload to the pipe weld.

REFERENCES:
patent: 2564209 (1951-08-01), Murphy
patent: 3425614 (1969-02-01), Clark
patent: 3553812 (1971-01-01), Weaver
patent: 3750928 (1973-08-01), Valentine
patent: 3937382 (1976-02-01), Cunningham et al.
patent: 3960311 (1976-06-01), Griffiths
patent: 4053973 (1977-10-01), Meli
patent: 4081964 (1978-04-01), Bendler et al.

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