Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other
Patent
1979-01-19
1980-04-01
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces parallel to each other
228 49B, 269152, 269287, 269321N, B23K 3704
Patent
active
041958284
ABSTRACT:
A boiler tube clamp for axially aligning adjacent tube sections during welding comprising a U-shaped bracket including spaced free end portions and a curved intermediate portion for nestingly receiving a tube end portion. An elongated pin is removably connected to the free end portions for caging the pipe end portion therebetween. An elongated element is attached to the intermediate portion and includes angularly disposed contact surfaces for engaging spaced peripheral portions of the tube end portion. A brace member is integral with the bracket and includes an elongated portion offset from and extending generally opposite and parallel in the elongated element. An adjustable, threaded positioning member is carried by the offset portion for forcibly moving the adjacent tube section into alignment with the tubesection caged in the U-shaped bracket.
REFERENCES:
patent: 2105954 (1938-01-01), Rippe
patent: 2381584 (1945-08-01), Fulleton
patent: 4105344 (1978-08-01), Rousom
Baldwin George H.
Watson Robert C.
Yeager Arthur G.
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