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
Carl A Ackermann, Patrick F McPherson: Apparatus for developing diazo type film. Blu Ray Incorporated, Arthur M Lieberman, James M Rhodes Jr, October 12, 1976: US03986191 (7 worldwide citation)

In a diazo developer apparatus which includes a chamber, slightly larger than the film to be developed, having continuously circulating ammonia gas uniformly distributed in the film area, ammonia gas entry and exit ports, a temperature control device for the chamber, and elements in the chamber for ...


3
Robert Putnam, Robert Harris, George Norton: Device for degassing diazotype materials by convection heating. Blu Ray Incorporated, William L Botjer, April 15, 1986: US04582423 (4 worldwide citation)

There is disclosed a diazotype copier for deodorizing developed diazocopy material. The copier includes a light source for exposing the diazotype copy material and a developing chamber for developing the exposed copy material. After exiting the developing chamber, the developed material passes under ...


4
Ackermann Carl A, McPherson Patrick F: Diazo type copier. Blu Ray Incorporated, Sandoe Hopgood & Calimafde, April 16, 1974: US3804515

The improvement in a diazo type copier of the type having an exposure unit and a developer unit is described wherein the exposure unit includes a receiver for the sensitized film and original, having a window for the passage of ultraviolet energy. The complete insertion of the film and original and ...


5

6
Norton George, Putnam Robert, Harris Robert: Degazage des materiaux diazotypes par chauffage a convection, Device for degassing diazotype materials by convection heating. Norton George, Putnam Robert, Harris Robert, New Blu Ray Incorporated, SMART & BIGGAR, March 20, 1990: CA1266794

Abstractof the Disclosure There is disclosed a diazotype copier for deodorizingdeveloped diazocopy material. The copier includes a lightsource for exposing the diazotype copy material and adeveloping chamber for developing the exposed copy material. After exiting the developing chamber, the develope ...


7
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 ...


8
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 ...



Click the thumbnails below to visualize the patent trend.


Related Trademarks