Siemens Aktiengesellschaft

Gunter Hubert

Johann Finkenzeller

An X-ray film holder is disclosed comprising a bottom (1) to receive both the X-ray film (6) and image intensifying screens (7, 8) placed against the film, and a lid (2) to close the holder. The bottom (1) and the lid (2) are provided on all sides with grooves (3) and projections (4) that fit into one another so that the lid (2) can slide with respect to the bottom (1) by means of the guide system thus formed, and is interlocked with the bottom (1) on all sides when in the closed position. A foam cushion (10), placed within a cover (9) made of airtight material, which extends roughly over the entire film surface, is connected to the lid (2) by means of the wall of the cover. The cover (9) and the lid (2) are provided with interconnecting openings (11, 12) for the evacuation of the interior of the cover. The holder can therefore be opened after it is evacuated.

X-Ray film holder

An arrangement for respectively withdrawing a single film sheet from a stack of directly loosely superimposed film sheets, particularly for use in X-ray filming apparatus, including a magazine for the film sheets, and transport means for the conveyance of the particular film sheet positioned on the floor of the magazine through a withdrawal slot of the magazine. In the floor there is formed, along a side wall of the magazine, the approximately 3 mm wide withdrawal slot which extends over the entire length of the side wall, and wherein the side wall is sloped in the elevation of the film sheet which is positioned on the floor at an angle of 10.degree. to 25.degree. relative to a perpendicular to the floor of the magazine away from the direction of the film stack. A roll may be employed in lieu of the edge of the withdrawal slot associated with the floor of the magazine, and in order to avoid any rubbing of the film surface against the edge which extends along the side wall, a further roll may be located in the withdrawal direction immediately proximate the withdrawal slot on the opposite side of the sloped side wall. A pusher element may be used which is slidable along the floor of the magazine towards and away from the withdrawal slot, and which has an approximately 0.8 film thickness projecting claw which engages the edge of the lowermost film sheet located directly on the floor of the magazine which is remote from the withdrawal slot.

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Baiersdorf, Germany

Gunter Hubert