Applicator having cap which pressurizes and seals inner space

Details Applicator having cap which pressurizes and seals inner space Applicator having cap which pressurizes and seals inner space

1994-05-27

1995-10-31

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401187, 401188A, 401214, 401247, B43K 900, B43K 700

Patent

active

054623790

ABSTRACT:
An inexpensive applicator in which the air within the inner barrel of a cap enters the fluid tank of the applicator to increase the internal pressure thereof in the process where the cap is engaged with the neck of the applicator, so that the fluid tank need not be pressed between the fingers for application of the fluid to be applied, the cap having in the inner barrel thereof a cylindrical valve member made of a highly flexible material and provided with a diaphragm or with a diaphragm having a ball-like portion formed thereon, and the application member being designed to be retracted and spaced from the caulked front edge of the tip when the application member is abutted against the diaphragm or the ball-like portion of the valve member in the process where the cap is engaged with the body of the applicator, whereas the elastically deformed diaphragm or the ball-like portion of the valve member is designed to close the front end opening of the tip when the cap is fully engaged with the neck.

REFERENCES:
patent: 1848358 (1932-03-01), Kratz
patent: 4086011 (1978-04-01), Kuparinen
patent: 4334622 (1982-06-01), Mutschler
patent: 5154526 (1992-11-01), Bothe
patent: 5362169 (1994-11-01), Hamamoto, et al.

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