Structural plug member and insert tool

Details Structural plug member and insert tool Structural plug member and insert tool

1987-09-03

1989-07-04

Schwadron, Martin P.

Heat exchange

With repair or assembly means

138 89, F28F 1102

Patent

active

048441520

ABSTRACT:
A plug member and insertion tool arrangement for closing structural openings such as those in gas leaking tubes of a heat exchanger including an inverted cup-like plug member having a circular disc-like base portion with a cantilevering peripheral wall portion extending therefrom and an insertion tool to releasably support, guide and insert the plug member.

REFERENCES:
patent: 730378 (1903-06-01), Lambert
patent: 791351 (1905-05-01), Malloy
patent: 1837345 (1931-12-01), Thomas
patent: 1837346 (1931-12-01), Thomas et al.
patent: 3148798 (1964-09-01), Brown
patent: 4046168 (1977-09-01), Milne
patent: 4462430 (1984-07-01), Anthony et al.
patent: 4470437 (1984-09-01), Rabinovich
patent: 4637436 (1987-01-01), Stewart, Jr. et al.
patent: 4762152 (1988-08-01), Clausen

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