Dispensing – With casing or support – Bracket or suspension supported
Patent
1989-08-23
1992-09-08
Huppert, Michael S.
Dispensing
With casing or support
Bracket or suspension supported
222341, 141352, 141357, 141360, B65B 300
Patent
active
051450950
ABSTRACT:
A dispenser for use in dispensing a semi-solid material such as a paste, gel, ointment or the like, from a deformable tube, a particular application being for the dispensing of toothpaste. The product tube is screwed to the dispenser via the threaded throat and bears on one of two non-return valves to create an airtight seal. The tube is squeezed to prime the dispenser and fill the cavity. When a plunger assembly is pressed inward against a spring, product is displaced through the non-return valves and a dispensing nozzle. On release of plunger, the spring returns plunger to its original position and by vacuum action displaces an equivalent amount of product from the tube to replenish product in the dispenser cavity. The dispenser preferably has side flanges and projecting pins for the storage of toothbrushes.
REFERENCES:
patent: 2622539 (1952-12-01), Martin
patent: 2775989 (1957-01-01), Jensen
patent: 3211340 (1965-10-01), Zander et al.
patent: 4269238 (1981-05-01), Iwamoto
patent: 4303110 (1981-12-01), Chen
patent: 4474307 (1984-10-01), Chappell
patent: 4695177 (1987-09-01), Kuo
patent: 4826052 (1989-05-01), Micallef
patent: 4949877 (1990-08-01), Hanna et al.
Huppert Michael S.
Pomrening Anthoula
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