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FINGER-ACTUATED SNAP OPEN CAPS FOR BOTTLES, COLLAPSIBLE TUBES AND THE LIKE
   
Document Number
US Patent 3785538
Issued Date
January 15, 1974
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Inventors
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Abstract
A deformable plastic dispensing cap of the snap-on type wherein a retractable dome covers a dispensing cylinder which is in communication with the interior of the container or tube. The upper portion of the dome is provided with partable lips, which expose the cylinder when parted, for dispensing the contents of the container or tube. To retain the dome lips in the retracted position, the interior of the dome is provided with ribs having projections thereon for engaging bosses provided on the outer periphery of the dispensing cylinder. The base portion of the cap which is integrally formed with the dome portion, snaps over the shoulder portion of the container or tube and is rotatable in the shoulder portion groove. The base portion of the cap is provided with finger gripping projections which enable a user of the cap to grip the projections, exert force downwardly thereon parting the dome lips and exposing the dispensing orifice of the cylinder, rotate the cap assembly until the projections in the ribs engage the bosses and release the base portion, causing the projections to snap into position in detents provided in the bosses. The cap assembly will then be retained in the open position until the base portion is again rotated, releasing the rib projections from the cylinder bosses, permitting the dome lips to snap back into their closed position.
Drawing
FINGER-ACTUATED SNAP OPEN CAPS FOR BOTTLES, COLLAPSIBLE TUBES AND THE LIKE - US Patent 3785538 Drawing
Drawing from US Patent 3785538
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Number of Claims:
4
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Owner
Published
January 15, 1974
Application Number
05/258,980
Filed
June 2, 1972
US Classification
222/490   222/514 222/525 401/91
Int'l Classification
B65D   47/04   (20060101)   B65D   47/20   (20060101)  
Assistant Examiner
Attorney/Law Firm
USPTO Field of Search
222/490   222/514   222/525  
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