Tamper revealing seal

Details Tamper revealing seal Tamper revealing seal

1987-06-09

1988-12-27

Smith, Gary L.

Closure fasteners

Seals

Single piece, spring catch

B65D 5506

Patent

active

047936410

ABSTRACT:
Briefly, the seal of the present invention comprises a stud with resilient fingers that fit into a socket that contains shoulders so that when the stud is moved past the shoulders, the resilient fingers collapse and then spring out to engage the shoulders and prevent return movement. A pilot projection guides the resilient fingers into the socket and ensures their correct position relative to the shoulders both during insertion and attempted removal. The exteriors of the socket and the stud are to substantially fill apertures in the articles to be sealed. Once the socket and stud are positioned in the apertures, they cannot be removed without breaking the seal. The socket is made with a second opening normal to the opening of insertion of the stud so that the seal can be manufactured inexpensively and easily in a one step molding operation.

REFERENCES:
patent: 2610879 (1952-09-01), Pope
patent: 3518727 (1970-07-01), Eberle et al.
patent: 3556575 (1971-01-01), Farkas
patent: 3758060 (1973-09-01), Schuplin
patent: 3955842 (1976-05-01), Edwards
patent: 4082336 (1978-04-01), Natkins
patent: 4564163 (1986-01-01), Barnett
patent: 4697833 (1987-10-01), Swift

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