Metal working – Means to assemble or disassemble – Heat exchanger
Patent
1991-12-09
1992-12-01
Cuda, Irene
Metal working
Means to assemble or disassemble
Heat exchanger
2940208, 2989031, 138 89, B23P 1526
Patent
active
051670640
ABSTRACT:
A tube stabilizer assembly and method for bridging a broken tube in a heat exchanger includes an elongate solid rod, on a collar on a flexible cable, which inserts with minimum clearance into the tube from one end and is anchored by a deformable plug assembly fixed to the rod or cable by a commercially-available plugging tool. The assembly has an outside dimension of sufficient clearance for sliding contact in the tube while immobilizing the loose ends of the tube against vibration.
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Expando Seal Tool, Inc. Drawing No. DC 391, sheets 1 and 4 of 4 (with dates obliterated), for tube stabilizers sold to Duke Power Co., prior to Sep. 20, 1989.
Cuda Irene
Expando Seal Tools, Inc.
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