Flexible pipe inserter

Details Flexible pipe inserter Flexible pipe inserter

1980-02-25

1981-11-17

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Tube and coextensive core

226155, B23P 1904

Patent

active

043002765

ABSTRACT:
Apparatus for inserting a flexible plastic pipe into an old, larger size pipeline system. A lower roller assembly has at least one lower roller which engages and supports the flexible pipe adjacent the receiving end of the larger size pipe and an upper roller assembly has at least one upper roller which engages the upper surface of the flexible pipe opposite the lower roller. An actuator imparts relative movement between the upper and lower roller assemblies selectively toward and away from each other so that the upper and lower rollers are in driving engagement with the flexible pipe upon movement of the roller assemblies toward each other. A drive unit rotates the upper and lower rollers in a direction to push the flexible pipe into the larger size pipe while the rollers are in driving engagement with the flexible pipe.

REFERENCES:
patent: 2228139 (1941-01-01), Leonhardy
patent: 3095130 (1963-06-01), Schultz
patent: 3371770 (1968-03-01), Graham et al.
patent: 3523392 (1970-08-01), Carl
patent: 3924316 (1975-12-01), Matlock et al.

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