Two-piece tube plug for repairing tubes in heat exchangers and t

Details Two-piece tube plug for repairing tubes in heat exchangers and t Two-piece tube plug for repairing tubes in heat exchangers and t

1977-01-31

1978-09-12

Myhre, Charles J.

Heat exchange

With repair or assembly means

138 89, 138 97, 29523, F28F 1102, F16L 5510

Patent

active

041130065

ABSTRACT:
A two-piece tube plug for repairing damaged tubes, of condensers, heat exchangers etc., in situ. The plug is made of a thimble having a shell with one end closed and an opposite open end. The thimble has a tapered axial bore in which a tapered cylindrical plug is inserted for expanding the shell of the thimble outwardly radially with the thimble in position on an end of a damaged tube at the tube sheet. The cylindrical plug deforms the shell outwardly radially when driven into the thimble shell to effect a closure on the tube and effect a fluid-tight seal between the thimble and the tube.

REFERENCES:
patent: 2856963 (1958-10-01), Hoerter
patent: 3203479 (1965-08-01), Hindman
patent: 3358869 (1967-12-01), Palmer et al.
patent: 3457987 (1969-07-01), Lampe
patent: 3525365 (1970-08-01), Meulendyk
patent: 3964339 (1976-06-01), Antonio et al.

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