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US 4,734,926 AGranted
X-ray film cassette for daylight system
AssigneeE. I. Du Pont de Nemours and Company
InventorsRudolf Singer, Hans P. Weihe
Life of this patent
Estimating the term…
Abstract
The disclosure involves an X-ray daylight cassette with shortened unloading times. The cassette, which has a film insertion slot on one side, contains two intensifying screens, one of which is affixed to the pressure plate so that the screen has edge zones that are not bonded to the pressure plate on the two long dimensions and optionally, on the short dimension opposite the film insertion slot.
Claims5
An X-ray film cassette for daylight systems, comprising:
- a flat, light-impermeable housing, which has on one face a light-tight, closeable, slit-shaped film insertion opening,
- two intensifying screens fitted inside the housing substantially parallel to each other, one of which is affixed on an elastic pad and the other directly on a firm, film pressure plate that is movable substantially perpendicularly to the plane of the intensifying screens, and adapted to receive a film sheet therebetween,
- characterized in that the intensifying screen affixed to the pressure plate has edge zones that are not bonded to the pressure plate.
Dependencies are inferred from the claim text.