Coating implements with material supply – Including rupturable means or sealed-cartridge receiver
Reexamination Certificate
2005-06-07
2005-06-07
Walczak, David J. (Department: 3751)
Coating implements with material supply
Including rupturable means or sealed-cartridge receiver
C401S205000
Reexamination Certificate
active
06902335
ABSTRACT:
A dispensing and application apparatus designed to contain pre-measured amounts of a flowable substance. The apparatus comprises a compartment130for storing the substance that is partially enclosed by a frangible seal210,an applicator100,and an expandable chamber170designed to accept and dissipate the hydraulic force created when pressure is applied to the compartment130,rupturing the frangible seal210,and expelling the substance into the chamber170.The applicator100is attached to the chamber170with an applicator bond area180.The expandability of the chamber170is conferred by expandability of the applicator100,and is varied in different embodiments by altering the ratio between the area of the applicator bond area180and the area of the applicator100.The frangible seal210,in one of many embodiments, may be a chevron shape stress riser250with a point of inflection260oriented towards the compartment130.A removable cap may cover the applicator.
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Bergey Michael S.
Detwiler Bruce
Hussey James L.
Koptis Kurt
Lipoveskaya Yelena
Nickey Donald O.
R.P. Scherer Technologies, Inc.
Walczak David J.
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