Heat exchanger assembly method and tube plug for heat exchanger

Details Heat exchanger assembly method and tube plug for heat exchanger Heat exchanger assembly method and tube plug for heat exchanger

1995-07-11

1998-10-20

Ferensic, Denise L.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, F16L 5500

Patent

active

058232303

ABSTRACT:
A novel tube plug which may be used to plug selected tubes in a heat exchanger has a cap portion for substantially closing a heat exchanger tube and a tube engaging portion depending from the cap portion, for insertion into the tube to retain the tube plug. By applying solder to the tube plug, the tube is sealed off, without providing a large solder mass which could cause damage due to thermal stresses.

REFERENCES:
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patent: 3451583 (1969-06-01), Lee, II
patent: 3555656 (1971-01-01), Brown et al.
patent: 4178966 (1979-12-01), Savor et al.
patent: 4502511 (1985-03-01), Zafred
patent: 4637436 (1987-01-01), Stewart, Jr. et al.
patent: 4646816 (1987-03-01), Rothstein
patent: 4694863 (1987-09-01), Klopp
patent: 4787420 (1988-11-01), Wilhelm
patent: 5022437 (1991-06-01), Potz et al.

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