Metal working – Means to assemble or disassemble – Heat exchanger
Patent
1994-04-29
1996-01-09
Bryant, David P.
Metal working
Means to assemble or disassemble
Heat exchanger
29272, 228 493, B23P 1526
Patent
active
054817935
ABSTRACT:
A boiler wall tube tool for clamping together adjacent ends at a juncture of a boiler wall tube in a boiler wall. The tool includes first and second opposing clamping members, each clamping member including a recess suitable for engaging an exterior surface of a tube and for extending across the juncture of a tube. A pair of slots which are spaced from each other and substantially aligned with the slots on the other clamping member are provided in each clamping member. The slots on the first clamping member include sloped edges terminating at an outer portion thereof. A hook-and-bolt member secures the clamping members around the tube segments. The hook-and-bolt member includes a pair of hook arms for extending through the slots of the clamping members and suitable for passing through a spacing between laterally adjacent boiler tubes. Each end of the hook arms terminates in hooked ends for engaging the sloped edges on the slots of the first clamping member. A bolt passing through threads in the handle engages a front face of the second clamping member and applies force to pull the first clamping member towards the second clamping member.
REFERENCES:
patent: 4493139 (1985-01-01), McClure
patent: 4579272 (1986-04-01), McClure
patent: 4722468 (1988-02-01), McClure
patent: 4846391 (1989-07-01), McClure
patent: 4936500 (1990-06-01), McClure
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