Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1985-04-10
1987-01-06
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291573R, 2940209, 2940211, 2940216, 29726, 83 54, 83471, 83473, 83523, 83578, 83821, B21D 5302, B23P 600, B23P 1526, B26D 508
Patent
active
046335552
ABSTRACT:
A method and apparatus for cutting a boiler tube-wall of a power generating station comprised of a plurality of generally parallel, vertical tubes welded together lengthwise, the method employing a guide having a pair of parallel guide rods interposed between a pair of securement devices for selectively, removably securing the guide to the tube-wall and a mount slidably mounted on the guide rods for movably supporting an actuatable tool for movement along the guide rods between the securement devices, the method comprising the steps of:
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Setco Mach-Mate Building Blocks Catalog (1974), p. 4.
F & M Catalog, VU-160 Universal Cutting Machine, p. 270.
Goldberg Howard N.
Wallace R. S.
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