Screw cap with lock cylinder

Details Screw cap with lock cylinder Screw cap with lock cylinder

1974-07-22

1976-10-12

Price, William

Locks

Special application

For closures

220304, 220203, 220324, B65D 5514

Patent

active

039850072

ABSTRACT:
An arrangement of screw caps with a lower screw cap portion and an upper rotable cap portion freely rotatable relative to the lower portion. A lock cylinder is centrally inserted and extends through the cap portions and cooperates with a compression spring and a bridge located between both cap portions to limit the cap tightening torque when the screw caps are secured on containers or screw pipe sockets. The lock cylinder is sealed by a sealing ring located within the lower screw cap portion by compressing the ring intermediate the radially-extending edge portions of a hole through which the lock cylinder passes and a projecting ring flange of the lock cylinder with the aid of the compression spring abutting against an abutment member positioned adjacent the ring flange.

REFERENCES:
patent: 3203445 (1965-08-01), McCormick
patent: 3248119 (1966-04-01), Smith et al.
patent: 3334774 (1967-08-01), Poltorak
patent: 3587912 (1971-06-01), Ohta
patent: 3750434 (1973-08-01), Gerdes
patent: 3820680 (1974-04-01), Friend

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