Method of molding cushions

Claim 1

A METHOD OF MAKING SEAT CUSHIONS BY A MOLDING OPERATION WHICH COMPRISES(1) FORMING A RIGID BASE OAF SUBSTANTIALLY FLAT SURFACE HAVING AN INTEGRAL RIGID RIM DEPENDING AT ABOUT A RIGHT ANGLE THEREFROM; (2) PLACING SAID BASE ON THE LOWER OF THE MEMBERS OF A TWO-PART MOLD TO SUPPORT BOTH BASE AND RIM AGAINST PRESSURE, SAID LOWER MEMBER BEING ENTIRELY BELOW SAID BASE AND RIM, SAID LOWER MEMBER HAVING AN UNINTERRUPTED FLAT UPPER SURFACE AND DEPENDING SIDES AT SAID RIGHT ANGLE TO SAID SURFACE; (3) PLACING PADDING HAVING A CONVEX UPPER FACE ON SAID BASE TO COVER ONLY SAID FLAT SURFACE; (4) COVERING SAID PADDING WITH A FABRIC THE EDGES OF SAID FABRIC EXTENDING BEYOND THE EDGES OF SAID BASE AND OVER SAIDD RIMS; (5) INTRODUCING A HEAT ACTIVATABLE ADHESIVE ONTO AT LEAST ONE OF SAID RIM AND EXTENDING PART OF SAID FABRIC; (6) MOVING SAID COMPLEMENTARY PART OF SAID MOLD ONTO SAID FABRIC TO CONTACT THE EDGES OF SAID FABRIC AND PULL IT TIGHT AND TO PRESS UNIFORMLY ON THE AREA OF THE CONVEX PADDING TO HOLD THE FABRIC SMOOTHYL ON SAID PADDING; (7) THEN MOVING THE EXTENDING PART OF SAID FABRIC DOWNWARDLY AND INWARDLY INTO PRESSURE CONTACT WITH SAID SIDES, SAID COMPLEMENTARY PART HAVING AN UNINTERRUPTED LOWER CONTACT SURFACE OF TTHE SAME CONTOUR AND SIZE AS THE UPPER CONVEX FACE OF SAID CUSHION, AND (8) HEATING SAID MOLD TO ACTIVATE SAID ADHESIVE AND HEAT SEAL SAID RIM TO SAID FABRIC AGAINST SAID SIDES AND TO PRODUCE A CUSHION HAVING A RIGID BASE INTEGRALLY MOLDED THERETO.

Claim 2

A METHOD OF MAKING SEAT CUSHIONS BY A MOLDING OPERATION WHICH COMPRISES(1) FORMING A RIGID BASE OAF SUBSTANTIALLY FLAT SURFACE HAVING AN INTEGRAL RIGID RIM DEPENDING AT ABOUT A RIGHT ANGLE THEREFROM; (2) PLACING SAID BASE ON THE LOWER OF THE MEMBERS OF A TWO-PART MOLD TO SUPPORT BOTH BASE AND RIM AGAINST PRESSURE, SAID LOWER MEMBER BEING ENTIRELY BELOW SAID BASE AND RIM, SAID LOWER MEMBER HAVING AN UNINTERRUPTED FLAT UPPER SURFACE AND DEPENDING SIDES AT SAID RIGHT ANGLE TO SAID SURFACE; (3) PLACING PADDING HAVING A CONVEX UPPER FACE ON SAID BASE TO COVER ONLY SAID FLAT SURFACE; (4) COVERING SAID PADDING WITH A FABRIC THE EDGES OF SAID FABRIC EXTENDING BEYOND THE EDGES OF SAID BASE AND OVER SAIDD RIMS; (5) INTRODUCING A HEAT ACTIVATABLE ADHESIVE ONTO AT LEAST ONE OF SAID RIM AND EXTENDING PART OF SAID FABRIC; (6) MOVING SAID COMPLEMENTARY PART OF SAID MOLD ONTO SAID FABRIC TO CONTACT THE EDGES OF SAID FABRIC AND PULL IT TIGHT AND TO PRESS UNIFORMLY ON THE AREA OF THE CONVEX PADDING TO HOLD THE FABRIC SMOOTHYL ON SAID PADDING; (7) THEN MOVING THE EXTENDING PART OF SAID FABRIC DOWNWARDLY AND INWARDLY INTO PRESSURE CONTACT WITH SAID SIDES, SAID COMPLEMENTARY PART HAVING AN UNINTERRUPTED LOWER CONTACT SURFACE OF TTHE SAME CONTOUR AND SIZE AS THE UPPER CONVEX FACE OF SAID CUSHION, AND (8) HEATING SAID MOLD TO ACTIVATE SAID ADHESIVE AND HEAT SEAL SAID RIM TO SAID FABRIC AGAINST SAID SIDES AND TO PRODUCE A CUSHION HAVING A RIGID BASE INTEGRALLY MOLDED THERETO.