Metal fusion bonding – Process – With shaping
Patent
1979-04-25
1981-03-17
Crane, Daniel C.
Metal fusion bonding
Process
With shaping
228184, 174 16B, B23K 3106
Patent
active
042562546
ABSTRACT:
A weld-joint in a segmented sheath of a large diameter, high voltage, compressed gas insulated transmission line includes longitudinal, radially aligned outer margins forming a longitudinal seam of joined sheath sections, an internally disposed recess offset from the joined margins, a longitudinal tongue overlapping the joined outer margins and mating with the recess, and a longitudinal sealing gasket, preferably an elastomeric tube, disposed in the region between the tongue and the tongue-receiving recess. A hollowed cutaway section is provided within the joint and aligned with the radial margins to form an enclosed cavity. A longitudinal ridge is provided along the sealing gasket for spacing and protecting the gasket. The end of the tongue and the adjacent walls of the internally disposed recess form together a Vee groove for trapping loose particles internal of the tubular enclosure formed by the joined sheath sections. The enclosed cavity and sealing gasket promote a strong, full penetration weld along the seam.
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patent: 4053338 (1977-10-01), Bolin
patent: 4110551 (1978-08-01), Cookson
Bolin Philip C.
Cookson Alan H.
Crane Daniel C.
Electric Power Research Institute Inc.
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