Non-refillable and inviolable bottle-cap

Details Non-refillable and inviolable bottle-cap Non-refillable and inviolable bottle-cap

1984-02-03

1985-02-05

Pollard, Steven M.

Bottles and jars

Nonrefillable

Guard or valve type

215272, 220319, B65D 4902

Patent

active

044974159

ABSTRACT:
This invention is related to an improved, non-refillable and inviolable cap for bottles and other similar containers, featured by a combination of the following components: a valve-seat designed to be hermetically coupled to the container's mouth, same which encompasses a valve-seat flexible flange, a hollow bottom, a guiding, central-vertical projection, and a vertical, annular retention-member, with an interlocking-surface on one end; a valve formed by an elongate body with a central, vertical cavity on its lower end, which loosely receives the vertical projection of the seat; and a conical sealing-wall that surrounds the body and rests upon the valve-seat flange; an externally-threaded spout including an internal interlocking-surface, which cooperates with the interlocking-surface of the seat's retention-member , an external, intermediate and downward-oriented interlocking-surface; a plurality of protuberances (legs), all with external interlocking-surfaces on their lower ends; and an internal, central ring pending from the upper wall, aimed to guide and retain the valve when this is open.

REFERENCES:
patent: 2949205 (1960-08-01), Fitz, Jr.
patent: 3810558 (1974-05-01), Crisp et al.
patent: 4192428 (1980-03-01), Segmuller
patent: 4232795 (1980-11-01), Vigna
patent: 4359166 (1982-11-01), Dubach
patent: 4382520 (1983-05-01), Aleff

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