Dual tube container with one way valves and applicator

Details Dual tube container with one way valves and applicator Dual tube container with one way valves and applicator

2009-06-22

2011-11-08

Pickett, J. Gregory (Department: 3788)

Dispensing

With plural openings or discharge guides

Having flow controllers or closures

C222S482000, C222S485000, C220S526000

Reexamination Certificate

active

08052016

ABSTRACT:
A dual tube container with one way valves comprises an outer tube and a cap, wherein, the tube head of the outer tube is provided with a base plate; the base plate is provided with a left through hole and a right through hole connecting the outer tube and the inner tube; a connector extends downwards from the right through hole, and the inner tube body in the outer tube body is connected to the connector to form the inner tube; a pair of one way valves are fixed in the tube head; an applicator with a orifice is inserted into the tube head; when the cap is put on to close the tube head, the pintle or elastic gasket in the cap sealing the orifice on the daub part of the applicator to prevent the leaking of liquid contents. It is provided with a pair of one way valves, and the inner tube is fixed in the outer tube; via the opening or closing of the pair of one way valves, the contents of the outer tube and the inner tube are permitted or forbidden to flow out. By using the dual tube container to make a cosmetic apparatus, etc., the technology of filling two kinds of pastes can be implemented via the big holes in the tube head, so as to avoid adopting expensive special equipment for filling and sealing; the operation is greatly simplified, and the cost is reduced.

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