Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1989-05-10
1990-08-28
Levy, Stuart S.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 752, 226 38, 226 39, 1564064, B65H 5918, B65H 7700, B29D 3020
Patent
active
049518950
ABSTRACT:
A winding tension controlling apparatus controls tensile force to be applied to a tire constituting member spirally wound about a building drum. The apparatus comprises a memory device for storing patterns of tensile forces, a detecting sensor for always detecting winding positions of the tire member and a processing unit for obtaining a tensile force value from a pattern of tensile force received on the basis of the memory device and a detected result from the memory device and outputting the tensile force value as a control signal. The apparatus further comprises a regenerative control device for controlling a DC motor connected to a tension roller to cause the tension roller to rotate at a speed slower by a predetermined value than a running speed of the tire member wound about the building drum and a display device for displaying various informations concerning winding of the tire member. In this manner, the tire member causes the tension roller to accelerate until its circumferential speed becomes substantially equal to the running speed of the tire member wound about the building drum, thereby causing a tensile force in the tire member equal to the tensile force value to applied to the tire member.
REFERENCES:
patent: 3977621 (1976-08-01), Huffman
patent: 4005828 (1977-02-01), Peszeszer
patent: 4099682 (1978-07-01), Benuska
patent: 4155789 (1979-05-01), Wireman et al.
patent: 4206009 (1980-06-01), Kazares
patent: 4551806 (1985-11-01), Storace et al.
patent: 4609336 (1986-09-01), Stevenson et al.
Bridgestone Corporation
duBois Steven M.
Levy Stuart S.
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