Wireworking – Joining wire – Electric welding
Patent
1985-04-01
1987-04-21
Schmidt, Frederick R.
Wireworking
Joining wire
Electric welding
140 922, 269296, B21F 1508
Patent
active
046588671
ABSTRACT:
Method of and apparatus for making reinforcement baskets for large diameter piles in which a pair of reinforcement hoops formed with spaced apart eyes are held in respective clamping fixtures on a pair of carriages displaceable on rails and the primary bars are pressed through these eyes while auxiliary bars are welded to the hoops between the primary bars. A helical wire is wound around the bars as the clamps are rotated and is welded to the bars while a support, also on a carriage displaceable along the rails, cradles the basket from below.
REFERENCES:
patent: 2463383 (1949-03-01), Hokanson
patent: 3209793 (1965-10-01), Miura
patent: 3592243 (1971-07-01), Fukushima
patent: 3661186 (1972-05-01), Nordgren
patent: 3789894 (1974-02-01), Adams
patent: 4377928 (1983-03-01), Hasak
patent: 4467583 (1984-08-01), Hasak
Dubno Herbert
Landshuter Baueisenbiegerei GmbH
Ross Karl F.
Schmidt Frederick R.
Showalter Robert
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