Lid retaining collar

Details Lid retaining collar Lid retaining collar

1989-03-15

1990-06-12

Marcus, Stephen

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220285, B65D 4532

Patent

active

049325540

ABSTRACT:
A plastics collar for retaining a plug lid 45 in a ring 44 double seamed to can body 1, has a peripheral skirt 38 portion having on its interior surface a snap fit bead 41 for entering under the double seam 3; a planar annulus 37 extending radially inwards from the top of the skirt over the seam 3 and at least part of the ring 44 and lid 45; and an annular rib 43 extending down from the planar annulus to hold the lid in the ring. The collar may be provided with a jacking screw 39 to assist removal from interlock with the double seam 3 and progressive removal is facilitated by a radial slit or line of weakness at which the collar first parts from the can.

REFERENCES:
patent: 1632031 (1927-06-01), Mauser
patent: 1847245 (1932-03-01), Hothersall
patent: 2071971 (1937-02-01), Draper et al.
patent: 2305579 (1942-12-01), Varker
patent: 2591482 (1952-04-01), Weltlich
patent: 3913785 (1975-10-01), Pattershall
patent: 4279358 (1981-07-01), Jacobs
patent: 4625890 (1986-12-01), Galer
patent: 4718571 (1988-01-01), Bordner
patent: 4728003 (1988-03-01), Davey

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