Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-09-25
1976-12-21
Lindsay, Jr., Robert L.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
65 2, 65 11W, 2421584R, 2421585, C03B 3702, B65H 5728
Patent
active
039984044
ABSTRACT:
A new and improved process for winding fiber glass strand from a glass fiber forming bushing is described in which glass fibers are drawn from a bushing by attenuation at high glass pull rates. The fibers have a suitable binder applied to them and are partially dried as they are attenuated. The partially dried filaments are then gathered into a strand and the strand is then collected on a collection surface carried on a high speed winder. The winder is provided with a novel traversing guide system which has the cam roller and guide eye positioned on the same side of the vehicle guide thereby reducing the bending moments created by the traverse cam and strand tension by forcing them to act in opposite directions. Lateral guidance of the vehicle is provided by a high speed die set ball bushing running on a hardened steel shaft.
REFERENCES:
patent: 1954713 (1934-04-01), Powell
patent: 2149536 (1939-03-01), Moncrieff et al.
patent: 2494003 (1950-01-01), Russ
patent: 3547361 (1970-12-01), Klink
patent: 3653860 (1972-04-01), Smith et al.
patent: 3819122 (1974-06-01), Genson
patent: 3918947 (1975-11-01), Maaghul et al.
Curley John E.
Lindsay, Jr. Robert L.
McDonald Alan T.
PPG Industries Inc.
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