Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1971-09-20
1976-06-22
Price, William
Winding, tensioning, or guiding
Coil holder or support
Spool or core
138176, 156446, B65H 100
Patent
active
039645223
ABSTRACT:
In the manufacture of prestressed concrete pipe, wire is wound under tension around the concrete body of the pipe and secured thereto. In accomplishing this the concrete pipe is mounted on a turntable for rotaton about the longitudinal axis of the pipe and wire under tension is wrapped thereon in a helical fashion from one end to the other.
REFERENCES:
patent: 2011463 (1935-08-01), Yianini
patent: 2101441 (1937-12-01), Marsten
patent: 3052419 (1962-09-01), Huck
patent: 3724768 (1973-04-01), Breitfuss et al.
Kao Paul W.
Lamborn Homer C.
Polland Steven M.
Price William
United States Pipe and Foundry Company
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