Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1984-07-10
1986-07-22
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29282, 29428, 137375, 138143, 228186, 228193, 228243, 251366, 285 55, B21D 5300, B21D 3906, F16K 2700, B23K 2014
Patent
active
046010874
ABSTRACT:
A method for cladding a corrosion resistant high alloy material on surfaces of crossed cavities in a vessel of a high strength metallic material forming a valve casing or the like, the method including the steps of prefabricating first and second cladding structures of generally tubular shapes conforming with the crossed cavities from a thin sheet of a high alloy material; providing grooves on the surfaces of the crossed cavities for receiving corner members of a high alloy material to be located at joined corners of the first and second cladding structures at the intersection of the crossed cavities and end members of a high alloy material to be fitted on end portions of the cladding structures; assembling the first and second cladding structures, corner members and end rings into the crossed cavities; sealing the contacting surfaces of the assembled parts by welding the end members to the vessel and cladding structures; coalescing the assembled parts and the vessel by applying a high pressure to the cladding structures at a high temperature; and removing overlapped portions of the coalesced cladding structures at the intersection of the crossed cavities to communicate the latter with each other.
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Metals Handbook, 8th Edition; vol. 1, Properties and Selection of Metals; American Society for Metals, Metals Park, Ohio (1977); p. 8, "clad metal".
American Foundrymen's Society Metalcasting Dictionary; American Foundrymen's Society, Des Plaines, Illinois (1968); p. 43, "cladding".
Glossary of Chemical Terms, Second Edition; Van Nostrand Reinhold Company Inc., New York, New York (1982); p. 66, "cladding".
Cameron; Cam Clad Valve; Technical Publications, Cameron Iron Works Inc., Houston, Texas (1980); pp. 1-6 and FIG. 19.
Beppu Kohichi
Kawai Nobuyasu
Tsuji Kunihiko
Goldberg Howard N.
Kabushiki Kaisha Kobe Seiko Sho
Wallace Ronald S.
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