Printing and developing machine

Claim 1

A DEVICE HAVING SEALED GAS CHAMBER FOR CONTAINING A TREATING GAS HAVING DISPLACEABLE SEALING MEANS FOR ADMITTING AND EMITTING SHEETS TO BE TREATED BY THE GAS AND DRIVE MEANS FOR MOVING A SHEET INTO, THROUGH, AND OUT OF THE GAS CHAMBER COMPRISING, A TABLE FORMING THE BOTTOM OF SAID CHAMBER HAVING OPPOSITE ENDS, A BACK EDGE, AND A FRONT EDGE, END FRAMES SECURED TO SAID OPPOSITE ENDS OF SAID TABLE, A REVERSELY CURING REAR PAN HAVING A BOTTOM EDGE JOINED WITH SAID TABLE BACK EDGE, A REVERSELY CURVING FACE PORTION LEADING UPWARDLY AND THEN FORWARDLY TERMINATING IN A TOP TANGENTIAL FLANGE LYING SPACED ABOVE SAID TABLE; SAID PAN HAVING END EDGES JOINED TO SAID END FRAMES; A FRONT PANEL HAVING A BOTTOM FLANGE LYING SPACED ABOVE SAID TABLE FORMING A SHEET ENTRANCE SLOT THEREBETWEEN; SAID FRONT PANEL HAVING A TOP LEG LYING AND SLIGHTLY SPACED BELOW SAID PAN TOP TANGENTIAL FLANGE FORMING A SHEET EXIT SLOT THEREBETWEEN; SAID PANEL HAVING END EDGES SECURED TO SAID END FRAMES; A FIRST FLEXIBLE FLAP SEALING STRIP SEALED ON SAID FRONT PANEL BEOTTOM FLANGE EXTENDING INWARDLY AND DISPLACEABLY SEALING AGAINST SAID TABLE AT SAID SHEET ENTRANCE SLOT; A SECOND FLEXIBLE FLAP SEALING STRIP SEALED ON SAID PAN TOP TANGENTIAL FLANGE EXTENDING OUTWARDLY AND DISPLACEABLY SEALING AGAINST SAID PANEL TOP LEG AT SHEET EXIT SLOT; SAID TABLE, END FRAMES, PAN, PANEL, AND FLAP SEALS FORMING AN ENCLOSED GAS CHAMBER; DRIVE MEANS IN SAID CHAMBER DRIVINGLY ENGAGEABLE WITH A SHEET INSERTED THROUGH SAID ENTRANNCE SLOT PAST SAID FIRST FLAP SEAL FOR THEREAFTER MOVING SAID SHEET OVER SAID TABLE AND INWARDLY AROUND SAID CURVING PAN AND OUTWARDLY THROUGH SAID EXIT SLOT PAST SAID SECOND FLAP SEAL; AND MEANS FOR PROVIDING TREATING GAS INTERNALLY OF SAID GAS CHAMBER.

Claim 2

A DEVICE HAVING SEALED GAS CHAMBER FOR CONTAINING A TREATING GAS HAVING DISPLACEABLE SEALING MEANS FOR ADMITTING AND EMITTING SHEETS TO BE TREATED BY THE GAS AND DRIVE MEANS FOR MOVING A SHEET INTO, THROUGH, AND OUT OF THE GAS CHAMBER COMPRISING, A TABLE FORMING THE BOTTOM OF SAID CHAMBER HAVING OPPOSITE ENDS, A BACK EDGE, AND A FRONT EDGE, END FRAMES SECURED TO SAID OPPOSITE ENDS OF SAID TABLE, A REVERSELY CURING REAR PAN HAVING A BOTTOM EDGE JOINED WITH SAID TABLE BACK EDGE, A REVERSELY CURVING FACE PORTION LEADING UPWARDLY AND THEN FORWARDLY TERMINATING IN A TOP TANGENTIAL FLANGE LYING SPACED ABOVE SAID TABLE; SAID PAN HAVING END EDGES JOINED TO SAID END FRAMES; A FRONT PANEL HAVING A BOTTOM FLANGE LYING SPACED ABOVE SAID TABLE FORMING A SHEET ENTRANCE SLOT THEREBETWEEN; SAID FRONT PANEL HAVING A TOP LEG LYING AND SLIGHTLY SPACED BELOW SAID PAN TOP TANGENTIAL FLANGE FORMING A SHEET EXIT SLOT THEREBETWEEN; SAID PANEL HAVING END EDGES SECURED TO SAID END FRAMES; A FIRST FLEXIBLE FLAP SEALING STRIP SEALED ON SAID FRONT PANEL BEOTTOM FLANGE EXTENDING INWARDLY AND DISPLACEABLY SEALING AGAINST SAID TABLE AT SAID SHEET ENTRANCE SLOT; A SECOND FLEXIBLE FLAP SEALING STRIP SEALED ON SAID PAN TOP TANGENTIAL FLANGE EXTENDING OUTWARDLY AND DISPLACEABLY SEALING AGAINST SAID PANEL TOP LEG AT SHEET EXIT SLOT; SAID TABLE, END FRAMES, PAN, PANEL, AND FLAP SEALS FORMING AN ENCLOSED GAS CHAMBER; DRIVE MEANS IN SAID CHAMBER DRIVINGLY ENGAGEABLE WITH A SHEET INSERTED THROUGH SAID ENTRANNCE SLOT PAST SAID FIRST FLAP SEAL FOR THEREAFTER MOVING SAID SHEET OVER SAID TABLE AND INWARDLY AROUND SAID CURVING PAN AND OUTWARDLY THROUGH SAID EXIT SLOT PAST SAID SECOND FLAP SEAL; AND MEANS FOR PROVIDING TREATING GAS INTERNALLY OF SAID GAS CHAMBER.