Scent cartridge

Details Scent cartridge Scent cartridge

1998-12-04

2000-10-24

Simmons, David A.

Gas and liquid contact apparatus

Contact devices

Porous sheet

261DIG17, 96149, 96153, 239 53, 239 55, 422123, B01F 304

Patent

active

061354317

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).

REFERENCES:
patent: 2578827 (1951-12-01), Munnecke
patent: 3552591 (1971-01-01), Wimmer
patent: 4146566 (1979-03-01), Gaiser
patent: 4346840 (1982-08-01), Gaiser et al.
patent: 4617157 (1986-10-01), Stein et al.
patent: 4830643 (1989-05-01), Sassa et al.
patent: 5115975 (1992-05-01), Shilling
patent: 5500038 (1996-03-01), Dauber et al.
JP C-790 vol. 14 No. 571, May 10, 1990, Japan.

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