Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other
Patent
1984-10-15
1986-03-11
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces parallel to each other
269 45, 269228, 269287, B25B 120
Patent
active
045750610
ABSTRACT:
A tool for the alignment of plastic pipes to be joined by fusion, particularly pipes which have a memory of being curved, comprises a base carrying a fixed clamp at or near one end thereof, such clamp being circular and having a center point, the base having a longitudinal slot therein aligned with the center point, such slot being provided to receive a pair of movable clamps of the same general design as the fixed clamp but which are positionable along the slot with their center points co-linear with the center point of the fixed clamp, the movable and fixed clamps having a gripping diameter such that they snugly engage the pipes to be fused when such pipes are in the clamps and the clamps are in their closed positions; but the movable clamps being longitudinally adjustable, as indicated, to produce alignment and contiguity of the ends of two plastic pipes to be joined by fusion.
REFERENCES:
patent: 1875761 (1932-09-01), Power
patent: 2127828 (1938-08-01), Milton
patent: 2433172 (1947-12-01), Tipton
patent: 3086767 (1963-04-01), Boser
patent: 3966528 (1976-06-01), Chrstie
Birchard Bruce L.
Watson Robert C.
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