1
Robert M Barto, Loren E Shelffo: Apparatus for eliminating ammonia fumes emanating from diazo copiers. Blu Ray Incorporated, Francis J Murphy, John M Calimafde, Roy C Hopgood, November 22, 1977: US04059409 (24 worldwide citation)

Apparatus for the elimination of noxious ammonia fumes associated with diazo copiers includes a plenum chamber disposed about the output aperture of the machine developer chamber. Vacuum means are provided to draw the ammonia laden air out of this chamber. Preferably this apparatus is used in conjun ...


2
Barto Robert M, Shelffo Loren E: Appareil pour lelimination des fumees dammoniac emanant de copieurs diazoiques, Apparatus for eliminating ammonia fumes emanating from diazo copiers. Blu Ray Incorporated, SMART & BIGGAR, November 2, 1982: CA1134660

Abstract of the DisclosureApparatus for the elimination of noxious ammonia fumes associatedwith diazo copiers includes a plenum chamber disposed about the output apertureof the machine developer chamber. Vacuum means are provided to draw the ammonialaden air out of this chamber. Preferably this appa ...


3
Barto Robert M, Shelffo Loren E: Appareil pour lelimination des vapeurs dammoniac emanant de copieurs diazo, Apparatus for eliminating ammonia fumes emanating from diazo copiers. Blu Ray Incorporated, SMART & BIGGAR, June 29, 1982: CA1126487

APPARATUS FOR ELIMINATING AMMONIAFUMES EMANATING FROM DIAZO COPIERS ABSTRACT OF THE INVENTIONApparatus for the elimination of noxious ammonia fumes associatedwith diazo copiers includes a plenum chamber disposed about the output aper-ture of the machine developer chamber. Vacuum means are provided t ...


4
Apparatus for eliminating ammonia fumes emanating from diazo copiers. Blu Ray, December 20, 1978: GB1536036-A

1536036 Collecting and removing noxious fumes BLU-RAY Inc 10 June 1976 [12 March 1976] 24083/76 Heading F4X Means for collecting noxious fumes emanating from a machine 10 in which sheet-like prints are produced using a developing agent such as ammonia, comprises an enclosure 50 (see also Fig. 2) att ...



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