Plastic end closure for hermetically sealed container

Details Plastic end closure for hermetically sealed container Plastic end closure for hermetically sealed container

1979-07-30

1981-06-23

Bartuska, F. J.

Dispensing

With plural openings or discharge guides

Hand-manipulable shaker, diverse-type openings

222541, A47G 1924, B65D 4710

Patent

active

042745632

ABSTRACT:
A reclosable end cap or closure is provided of the type in which a rotatable disc or cover member is pivotally connected permanently at the center region of the end cap and can be selectively rotated in sliding face-to-face contact to close or unclose openings formed in radially intermediate portions of the end cap. The openings are originally formed as closed, removable, airtight tabs and the rotatable disc is pivoted on a boss upstanding from the center of the end cap to thereby provide a hermetic seal until the closure is first opened, and to provide for reclosability thereafter.

REFERENCES:
patent: 2094600 (1937-10-01), Hothersall
patent: 2326839 (1943-08-01), Cullen
patent: 2817451 (1957-12-01), Giles et al.
patent: 2961132 (1960-11-01), Ankney
patent: 3143256 (1964-08-01), Lazure et al.
patent: 3281982 (1966-11-01), Salisbury
patent: 3486665 (1969-12-01), La Croce
patent: 3912128 (1975-10-01), Ziemann et al.

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