G - Physics – 03 – G
Patent
G - Physics
03
G
314/32
G03G 15/10 (2006.01)
Patent
CA 1103742
1950-77a ABSTRACT OF THE DISCLOSURE Developing apparatus for latent images of X-rayed objects on dielectric receptor sheets wherein two identical sheet carriers each of which constitutes a segment of a cylinder and extends along an arc of less than 180 degrees rotate with and relative to each other about a horizontal shaft. The peripheral surfaces of the carriers have suction ports which attract receptor sheets during travel of carriers from a starting position, past several corona discharge devices, a developing unit which can be operated to contact the latent images with a liquid developer, and a fixing unit for developed images, on to a sheet evacuating station. A roller on an arm which is rotatable on the shaft serves to drape a freshly delivered sheet onto the peripheral surface of that carrier which is held in the starting position. Discrete motors are provided for the arm and for each of the carriers. The combined length of the corona discharge devices or of the developing and fixing units, as considered in the circumferential direction of the cylinder, is less than the difference, between the combined length of the peripheral surfaces of the carriers and the circumferential length of the cylinder. This renders it possible to complete the treatment of the receptor sheet on one of the carriers while the other carrier dwells in the starting position. The corona discharge devices are operative when the developing and fixing units are idle, and vice versa. - 1 -
306961
Agfa-Gevaert Aktiengesellschaft
Fetherstonhaugh & Co.
LandOfFree
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