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PRESSURIZED DISPENSING PACKAGE
   
Document Number
US Patent 3687174
Issued Date
August 29, 1972
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Abstract
A pressurized dispensing package of the type which includes an upstanding material dispensing stem having an actuator assembly mounted thereon which includes an annular resilient sealing member including a movable valving member, the valving member includes a frusto-conical actuating surface and a refill passage, a por.ion of which extends angularly of the direction of movement of the valving member to a port in the actuating surface. The sealing member is flexibly movable in response to movement of the valving member between a first position in which the dispensing passage is open and the sealing member seals the refill passage from the stem and a second position in which the refill passage is open and the sealing member seals the assembly dispensing passage from the stem.
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PRESSURIZED DISPENSING PACKAGE - US Patent 3687174 Drawing
Drawing from US Patent 3687174
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Number of Claims:
21
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Owner
Published
August 29, 1972
Application Number
05/127,674
Filed
March 24, 1971
US Classification
141/20   141/348 222/402.16
Int'l Classification
B65D   83/16   (20060101)   B65D   83/14   (20060101)  
Assistant Examiner
USPTO Field of Search
141/3   141/20   141/348   141/349   222/402.16  
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