Tension control for web handling apparatus

Details Tension control for web handling apparatus Tension control for web handling apparatus

1986-07-16

1990-10-23

Ro, Bentsu

Electricity: motive power systems

With particular motor-driven load device

Tension-maintaining type of motor-control system

318 6, 242 62, 242 66, 242196, B65H 7700

Patent

active

RE0333999

ABSTRACT:
A batcher and the like is illustrated for utilizing torque control rather than speed control to vary the packing ratio of the rolls of a surface wound cloth roll. A phase shifting differential transmission is controlled by a condensor in series with the armature of a field wound D.C. motor in a drive between the rolls responsive to cloth tension to maintain such tension substantially constant.

REFERENCES:
patent: 1455976 (1923-05-01), Stevens
patent: 2169016 (1939-08-01), Baker
patent: 2354952 (1944-08-01), Hornbostel
patent: 2468557 (1949-01-01), Huston
patent: 2890000 (1959-06-01), Beachler
patent: 3000584 (1961-09-01), Clem
patent: 3057572 (1962-10-01), Rockstorm et al.
patent: 3221237 (1965-11-01), Kalenian
patent: 3450364 (1969-06-01), Marsh et al.

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