Abstract: A drum chamber in which photographic material is processed is provided with a section in which the walls overlap to form a narrow channel therebetween. The channel acts as the entrance to and exit from the chamber for the material being processed.

Abstract: A drum chamber in which photographic material is processed is provided with a section in which the walls overlap to form a narrow channel therebetween. The channel acts as the entrance to and exit from the chamber for the material being processed.

Abstract: In photographic processing apparatus, different processing solutions are normally contained in separate tanks, the material being processed as it passes from one tank to another through the required processing stages. This means that the apparatus needs to have a tank for each solution which is required for a particular process. Described herein is an arrangement in which more than one processing tank may be provided in a single container. The arrangement comprises tray which is divided into two portions by barrier means, each portion containing a different processing solution. The barrier means, includes an air bubble retained on the underside of a curved member which is maintained in a central position due to the liquid pressure on each side of the barrier means.

Abstract: It is well known to use pneumatically-operated devices for handling containers, such as, gripping finger mechanisms and suction devices. However, the former type of mechanism can be unstable and the contents of the container can easily be spilled as the container is moved from one location to another. In the latter type, the top of the container needs to be undamaged to ensure proper engagement. Described herein is an improved pneumatically-operated device in which a plurality of pistons (22, 24, 26, 28, 30) are housed in a body portion (10), the pistons (22, 24, 26, 28, 30) being operated by an air supply to move a split ring (40) into and out of engagement with a container to move it from one location to another.