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US 5,022,566 AGranted
Press-open side dispensing closure
AssigneeMagenta Corporation
InventorsJohn S. Song, Richard W. Hofman
Life of this patent
Estimating the term…
Abstract
A one-piece side dispensing closure for powdered, granular or particulate materials. The closure is molded from plastic and has a press-open dispensing lid.
Claims7
A one-piece molded plastic press-open side dispensing closure for a container comprising:
- a body having a top end wall,
- a skirt bounding said top wall and said skirt having internal means to attach said closure to the container;
- a relatively large aperture formed in said top wall to permit dispensing of a non-liquid product carried in the container;
- a press-open dispensing lid pivotally connected to said top wall to open and close said aperture,
- said pivotal dispensing lid having a front dispensing section and a rear press-open section;
- a flexible rear seal wall extending from said press-open section;
- said seal wall being biased to flex in a direction towards a top surface of said lid, and
- said flexible rear seal wall being of a predetermined length and normally being in sealing engagement with a corresponding portion of said dispensing aperture.
5 more elements
A one-piece molded plastic press-open side dispensing closure for a container comprising:
- a body having a top end wall,
- a skirt bounding said top wall and said skirt having internal means to attach said closure to the container;
- a relatively large aperture formed in said top wall to permit dispensing of a non-liquid product carried in the container;
- a press-open dispensing lid pivotally connected to said top wall to open and close said aperture,
- said dispensing aperture formed in said lid being substantially the same shape as said dispensing lid,
- a top surface of said top wall and a top surface of said dispensing lid being substantially in the same plane when said dispensing lid is in a closed position,
- said pivotal dispensing lid having a front dispensing section and a rear press-open section;
- said front dispensing section having a curved front end and two diverging sides diverging from said front end to outer ends of a pair of living hinges positioned diametrically opposite each other,
- said rear press-open section having a pair of converging lid sides converging from inner ends of said hinges to a rear end of the press-open section,
- a flexible curved seal end wall extending from the rear end of the press-open section,
- said seal end wall being biased to flex in a direction towards said top surface of said lid,
- said flexible seal end wall being of a predetermined length and normally being in sealing engagement with a corresponding portion of said dispensing aperture,
- a pair of side walls depending from said top wall into the dispensing aperture adjacent said rear press-open section converging side walls,
- an arcuate dispensing wall extending downwardly from the under surface of the dispensing lid for a predetermined distance,
- a plurality of dispensing orifices formed in said dispensing wall,
- a pair of dispensing curved walls extending downwardly for a predetermined distance from said diverging side walls,
- said curved side walls also extending from said arcuate dispensing wall, and
- a flexible cantilevered seal positioned adjacent to and in sealing contact with said arcuate dispensing wall.
15 more elements
Dependencies are inferred from the claim text.