Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1980-04-17
1982-11-02
Crane, Daniel C.
Metal working
Method of mechanical manufacture
Assembling or joining
29428, 29234, 29252, 292815, 292835, 228 49B, 269 43, B23P 1100, B23P 1902, B23P 1904, B23K 3704
Patent
active
043566154
ABSTRACT:
Apparatus and methods for use in aligning and welding in end-to-end relation a pair of members such as pipe sections or a cylindrical vessel and closure wall and wherein one of the members is subjected to a clamping force adjacent the end to be welded to produce a predetermined configuration at that end. The other member is supported with that end to be welded confronting the adjacent end of the first member. A clamping force then may be applied to the second member so as to conform its configuration to one corresponding to that of the end of the first member. While maintaining the two members clamped, their positions are adjusted relatively to one another to locate their adjacent ends in a predetermined manner, following which the two members are moved relatively in a direction toward one another to a welding position in which the welding operation may be completed.
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