Method and apparatus for a tapered pipeline seal

Details Method and apparatus for a tapered pipeline seal Method and apparatus for a tapered pipeline seal

1976-09-27

1978-08-22

Aegerter, Richard E.

Fluid handling

Processes

Cleaning, repairing, or assembling

137318, 137323, 138 94, F16L 5507

Patent

active

041081943

ABSTRACT:
A method and apparatus for a tapered pipeline seal includes a means for enabling a line to be sealed with a rotatable tapered sealing plug or apparatus.

REFERENCES:
patent: 937958 (1909-10-01), Phillips
patent: 1369390 (1921-02-01), Bruns
patent: 3091260 (1963-05-01), Milanovits et al.
patent: 3799182 (1974-03-01), Long
patent: 3948282 (1976-04-01), Yano

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