Seal container

Details Seal container Seal container

2007-04-17

2007-04-17

Stashick, Anthony D. (Department: 3781)

Receptacles

Closures

Externally adjustable plug or gasket

C220S233000, C220S803000, C215S359000

Reexamination Certificate

active

10868068

ABSTRACT:
A seal container includes a container, a lid, a knob fitted on the lid, a soft seal fitted over a lower side of the lid, and a depressing member arranged under the knob and connected with a middle of the seal at a lower end; the depressing member has several slopes on an annular edge; the knob has projections, which are spaced on an annular edge, and touch the slopes respectively; the depressing member will move down, and the seal will be depressed at the middle to reduce in circumference immediately after the knob is turned to such a position that the projections touch higher ends of the slopes; the seal will stretch to a normal shape to seal the container immediately after the knob is turned to such a position that the projections touch lower ends of the slopes.

REFERENCES:
patent: 208647 (1878-10-01), Steinmetz
patent: 287189 (1883-10-01), Stone
patent: 304312 (1884-09-01), Guptill
patent: 323636 (1885-08-01), Comly
patent: 701117 (1902-05-01), Winterlich
patent: 2479862 (1949-08-01), Payne
patent: 4295578 (1981-10-01), Parent
patent: 4303171 (1981-12-01), Schremmer
patent: 4316550 (1982-02-01), de Winter
patent: 4387825 (1983-06-01), Parent
patent: 4401228 (1983-08-01), Baldelli
patent: 4942970 (1990-07-01), Jay

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