Scent cartridge
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United States of America Patent
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Oct 24, 2000
Grant Date -
N/A
app pub date -
Dec 4, 1998
filing date -
Dec 5, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scent cartridge (1) with a substrate (3), wherein the latter consists of porous particles of silica gel, activated carbon and/or aluminum oxide, which are impregnated with scents or active ingredients. The substrate (3) is fixed in a small cylindrical glass or aluminum tube (2) by means of wiremesh caps (4) made of metal or plastic. A membrane disk (6) is sealingly held on each flanged edge (5) of the small glass or aluminum tube (2) by means of a cap (7) each so that the membrane disks (6) can be punctured with needles or cannulae for releasing scents or active ingredients and an air or carrier gas flow controlled in a time-dependent manner is then admitted to the scent cartridge (1).
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