Attachment for eliminating ammonia fumes from diazo copiers

Details Attachment for eliminating ammonia fumes from diazo copiers Attachment for eliminating ammonia fumes from diazo copiers

1981-06-29

1983-03-22

Hix, L. T.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

34140, 55 70, 55387, 422168, G03D 700

Patent

active

043773311

ABSTRACT:
A copying machine such as a diazotype copier which uses developing reagents which produce fumes is provided with an economical attachment for scavenging any fugitive gas traces and passing them through a treatment cartridge. A manifold mounted in the machine housing has an insert strip with air access openings which can be sized to suit the requirements of a particular copying machine. An air conduit hose has a snap connection with the manifold and with one end of a blower housing the other end of which is attachable to and readily detachable from a unitary disposable supply package which is floor supported and supports the blower housing. The supply package includes a supply of gas generating development material in one portion, and in the other, a gas treatment cartridge of inexpensive disposable character which is so constructed as to pass incoming air down through a central tube and then upwardly through a tube-surrounding space containing gas treatment material and then into the surrounding atmosphere.

REFERENCES:
patent: 3679369 (1972-07-01), Hashimoto et al.
patent: 4059409 (1977-11-01), Barto et al.
patent: 4162289 (1979-07-01), Gomez et al.
patent: 4167319 (1979-09-01), Feitzinger et al.
patent: 4241989 (1980-12-01), Jackson et al.
patent: 4286859 (1981-09-01), Kurek

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