Device for sealing damaged tubular members

Pipes and tubular conduits – Repairing

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Details

138 89, 165 71, 165 76, 29525, F16L 5510

Patent

active

042379377

ABSTRACT:
The present invention relates to a new improved device for sealing damaged tubular members by using a readily removable cylindrically configurated member which is disposed securely within open end sections of the tubular member. The present device includes a projecting end portion which is insertable into the damaged tubular member and which is connected integrally to a sleeve portion configurated externally with tube engaging projections and internally with a retraction device for removing the device when tube repairs are effected. The device of the present invention thus provides a useful means for sealing damaged tubular members of a multi-tubular unit without requiring complete shut-down each time an individual tubular member becomes damaged or inoperable.

REFERENCES:
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patent: 4019541 (1977-04-01), Koppl
patent: 4158370 (1979-06-01), Larson
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