Decorative air freshener unit

Details Decorative air freshener unit Decorative air freshener unit

1988-06-27

1989-04-25

Epstein, Henry F.

Stock material or miscellaneous articles

Two dimensionally sectional layer

Transparent or translucent layer or section

239 35, 428 49, 428905, B32B 314, B44C 128

Patent

active

048247073

ABSTRACT:
An air freshener unit having an impermeable backing sheet that is adherable to a substrate, and a facing sheet laminated to the backing sheet. Trapped between the sheets is a rupturable capsule containing a supply of a volatile fragrance. The facing sheet is formed of microporous, opaque material having good wicking properties. Printed on the rear surface of the facing sheet or on the front surface of the backing sheet is artwork that is normally blocked from view; but when the unit is activated by rupturing the capsule, the released fragrance is absorbed and exuded by the facing sheet which is made wet thereby and rendered translucent. As a result, the artwork becomes visible to a viewer. But when the exuded fragrance approaches exhaustion, the facing sheet, as it dries, reverts to its normal opacity, thereby causing the artwork to fade from view to signal to a user the need for a fresh unit.

REFERENCES:
patent: 4243224 (1981-01-01), Spector
patent: 4419396 (1983-12-01), Sugimoto
patent: 4528226 (1985-07-01), Sweeny
patent: 4606956 (1986-08-01), Charbonneau et al.
patent: 4687203 (1987-08-01), Spector
patent: 4696844 (1987-09-01), Spector
patent: 4720409 (1988-01-01), Spector

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