Machine for the manufacture of reinforcing bodies for concrete p

Details Machine for the manufacture of reinforcing bodies for concrete p Machine for the manufacture of reinforcing bodies for concrete p

1980-10-23

1982-12-28

Larson, Lowell A.

Wireworking

Joining wire

Electric welding

219 56, B21F 2710

Patent

active

043656579

ABSTRACT:
A machine for the manufacture of reinforcing bodies for concrete pipes and the like, which comprises longitudinal bars and wire wound about the longitudinal bars. Two coaxial, synchronously driven discs are provided. A first disc carries radially displaceable guide pieces as a welding rest for the longitudinal bars. A welding device is mounted on a transversely moveable welding carriage and makes welds successively on the longitudinal bars. The guide pieces and the welding device are adjustable automatically and continuously over the total radial stroke given with a first disc of specific diameter. Traction lines guided by rollers in the longitudinal direction engage the guide pieces. An axially directed hydraulic cylinder drives the traction lines and a transversely directed hydraulic cylinder, synchronized with the axially directed cylinder, drives the welding carriage. It is consequently possible to produce in succession reinforcing bodies of selected diameters without loss of time for changeover.

REFERENCES:
patent: 3718797 (1973-02-01), Pfender

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