System for determining the torque required to loosen a threaded

Details System for determining the torque required to loosen a threaded System for determining the torque required to loosen a threaded

1986-01-21

1987-06-23

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

73847, G01L 500

Patent

active

046743405

ABSTRACT:
A system for use in determining the torque required to loosen a threaded cap on a container, which container is held in a fixed position while a constant downward force is being placed on the threaded cap, by applying a gradually increasing electrical force to an electric motor tending to turn the electric motor so as to apply a torque on the threaded cap and using a torque sensor to measure the torque being applied by the electric motor on the threaded cap and recording the peak torque that was applied during the complete loosening of said threaded cap.

REFERENCES:
patent: 2279698 (1942-04-01), Weckerly
patent: 2300288 (1942-10-01), Hullhorst
patent: 2337951 (1943-12-01), Whitehead
patent: 2552407 (1951-05-01), Crabbe
patent: 3122915 (1964-03-01), Haller
patent: 3866463 (1975-02-01), Smith et al.

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