Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Patent
1979-01-11
1980-09-09
Yasko, John D.
Coating implements with material supply
Including ball, roller or endless-belt tool
Ball
401214, B43K 900
Patent
active
042214947
ABSTRACT:
A roll-on applicator including a fluid container surmounted by a fitment of a plastic composition and retaining an applicator ball. A closure cap, detachably secured, constitutes a cover for the fitment. With the cap removed and the applicator assembly in a functional, liquid-dispensing attitude, the applicator ball is biased upwardly by a pair of coplanar, horizontally extending, parallel spring bars integrally formed with and spanning the ball-holding fixture, the bars bridging the fixture and supporting the ball to establish an annular fluid flow communicating passage between the applicator surface of the ball and the interior of the dispensing container. When the cap is threadedly secured in place, the cap bears downwardly upon the ball which in turn stresses the spring bars causing them to undergo a limited, temporary, resilient deformation thereby to permit the ball to seat and seal against a sealing band surface of the fitment to establish a fluid-tight engagement therewith, thereby sealing the container to prevent spillage and to obviate evaporation of fluid during periods of storage and non-use.
REFERENCES:
patent: 3095598 (1963-07-01), Gonnella et al.
patent: 3242522 (1966-03-01), Jass et al.
patent: 4002411 (1977-01-01), Harbauer
W. Braun Company
Yasko John D.
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