Fluid sprinkling – spraying – and diffusing – Slow diffusers – Liquid supply in absorbent or porous media only
Patent
1991-08-16
1992-09-22
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Slow diffusers
Liquid supply in absorbent or porous media only
239 34, A61L 904
Patent
active
051489830
ABSTRACT:
A scented card is disclosed herein having a pair of snap-locked pictorial members joined together enclosing a scented carrier therebetween. The members include preformed islands and cavities which are aligned when the members are joined to define a plurality of passageways interconnecting a central cavity holding the scented carrier with peripheral vents along the edge marginal region of the card in order to conduct scent from the carrier exteriorly of the card. Opposite faces of the card are transparent to expose graphic representations or alpha
umeric indicia.
REFERENCES:
patent: 2717174 (1955-09-01), Casanovas
patent: 2958469 (1960-11-01), Shuster
patent: 4720409 (1988-01-01), Spector
patent: 4883692 (1989-11-01), Spector
Kashnikow Andres
Marrs Roger A.
Merritt Karen B.
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