Tamper proof cap

Details Tamper proof cap Tamper proof cap

1986-06-05

1987-05-26

Norton, Donald F.

Bottles and jars

Closures

Combined or convertible

206564, 206445, 215230, 215253, 604111, B65D 4132

Patent

active

046678379

ABSTRACT:
A stop member for a device such as a syringe is inaccessibly disposed in a sleeve member. The ring member is also disposed about a portion of the stop member and in the sleeve member. The ring member is connected to the inside of the sleeve member by means of a frangible connection. When the sleeve member is twisted. the sleeve member and its connected ring member freely rotate about a portion of the stop member at the end of the syringe. When the sleeve member is axially pulled off the end of the syringe, the frangible connection breaks, and the sleeve member is removed, leaving the ring member and stop member disposed on the end of the syringe thereby indicating that the prefilled syringe has been tampered with.

REFERENCES:
patent: 3245567 (1966-04-01), Knight
patent: 3747751 (1973-07-01), Miller et al.
patent: 4216872 (1980-08-01), Bean
patent: 4313539 (1982-02-01), Raines
patent: 4420085 (1983-12-01), Wilson et al.
patent: 4571242 (1986-02-01), Klein et al.

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