Containers

Details Containers Containers

1992-12-22

1994-11-01

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Separate tool stations for selective or successive operation...

29788, 29796, B23P 1900

Patent

active

053597664

ABSTRACT:
A can end (1) having an openable portion (14) defined by a score line (13), has a ring pull defining an aperture in which is retained a token (16) which may be removed as proof of purchase to qualify the purchaser for a prize or other premium offer. The token (16) is preferably made from a plastics material which is retained by clinching of peripheral material of the ring pull, and may be marked with indicia.

REFERENCES:
patent: 3097423 (1963-07-01), Makowski
patent: 3822496 (1974-07-01), Minder
patent: 3958354 (1976-05-01), Hough et al.
patent: 4322016 (1982-03-01), Barrash
patent: 4380129 (1983-04-01), Barrash
patent: 4685849 (1987-08-01), LaBarge et al.
patent: 4804105 (1989-02-01), Zysset
EP 91 30 8977 European Search Report dated Jan. 29, 1992.
Appln. No. 9120823.1 Examiner's Report to the Comptroller of Jan. 28, 1992.

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