Apparatus for treating photographic sheet materials with a processing fluid

Claim 1

IN APPARATUS INCLUDING A PAIR OF PRESSURE-APPLYING MEMBER BETWEEN WHICH A PAIR OF SHEETS ARE MOVED IN SUPERPOSITION FOR SPREADING A MASS OF FLUID BETWEEN SAID SHEETS, IN COMBINATION MEANS FOR CONFINING DISTRIBUTION OF SAID FLUID BETWEEN THE LATERAL MARGINS OF SAID SHEETS, SAID MEANS COMPRISING A PAIR OF SPACED MEMBERS LOCATED AT THE LATERAL MARGINS OF SAID PRESSURE-APPLYING MEMBERS, EACH OF SAID MEMBERS INCLUDING A DEFORMABLE PORTION WHICH CONTACTS A SURFACE OF SAID SHEETS AT A LATERAL MARGIN THEREOF IN ADVANCE OF SAID PRESSURE-APPLYING MEMBERS TO PRESS SAID SHEETS TOGETHER SUBSTANTIALLY AT THE POINT OF CONTACT, SAID PORTIONS MOVING SIMULTANEOUSLY WITH SAID SHEETS BETWEEN SAID PRESSURE-APPLYING MEMBERS, ONE OF SAID PRESSURE-APPLYING MEMBERS HAVING A PAIR OF CAVITIES FORMED THEREIN, EACH OF SAID CAVITIES BEING ADJACENT A CORRESPONDING DEFORMABLE PORTION AND EXTENDING IN A DIRECTION PARALLEL TO THE DIRECTION OF MOVEMENT OF SAID SHEETS, SAID DEFORMABLE PORTIONS OCCUPYING SAID CAVITIES WHEN PASSING BETWEEN SAID PRESSURE-APPLYING MEMBERS TO THEREBY ALLOW SAID PRESSURE-APPLYING MEMBERS TO CONTACT THE OPPOSITE OUTER SURFACES OF SAID SHEETS.