Metal working – Method of mechanical manufacture – With separating – localizing – or eliminating of as-cast...
Patent
1983-09-12
1985-05-28
Moon, Charlie T.
Metal working
Method of mechanical manufacture
With separating, localizing, or eliminating of as-cast...
29157R, 2940215, 29559, 29283, 138 97, 285199, 405154, 269 98, B23P 1900
Patent
active
045191247
ABSTRACT:
A gas utility service saddle U-bolt installation holder comprises an elongated handle having a substantially L-shaped lower end and a clamp adapter attached to said L-shaped lower end for holding a U-bolt at a location substantially midway along its lengths with the U-bolt legs projecting upwardly so as to straddle a gas main from the underside of the main, the U-bolt clamp being channel-shaped to receive the U-bolt therein, and a thumb screw being provided through one of the upstanding legs of the channel shape to clamp the U-bolt against the opposite channel leg. Preferably, the U-bolt clamp is a separate clamp adapter having a pair of vertically spaced apart support arms by which it is mounted on conventional "lower tape holder" tool, using a second thumb screw to make such attachment. The method of using such a tool is described, involving positioning of the U-bolt beneath the gas main located within a deep, small-area excavation, with the legs of the U-bolt upright to receive a conventional crown saddle thereon.
REFERENCES:
patent: 850230 (1907-04-01), Kiehle
patent: 1737181 (1929-11-01), Woodward
patent: 1987826 (1935-01-01), Heumann
patent: 2163261 (1939-06-01), Norton
patent: 2787051 (1957-04-01), Risley
patent: 2826435 (1958-03-01), Schustack
patent: 3568455 (1971-03-01), McLaughlin et al.
patent: 4043139 (1977-08-01), Scott
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