Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent
1975-10-02
1977-02-22
Lanham, C.W.
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
140 71R, B21F 304, B21F 3500
Patent
active
040085945
ABSTRACT:
A wire coiling machine having a pair of spring coiling assemblies which are disposed in coaxial relation and include rotatable heads mounted on coaxial shafts drawn by racks connected to a pair of piston and cylinder units for rotation at different or the same speeds in the same or opposite directions to form a pair of coaxial coils on a single length of wire, the coiling assemblies being axially movable in opposed directions by cam elements and return springs.
REFERENCES:
patent: 3048199 (1962-08-01), Barnes
patent: 3227195 (1966-01-01), Stegmann
patent: 3677054 (1972-07-01), Strzepek
Combs E. M.
Hartwell Corporation
Lanham C.W.
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