Device for dispensing viscous materials

Claim 1

IN COMBINATION WITH A CHARGE OF VISCOUS MATERIAL WHICH IS ADAPTED TO HAVE ITS FLUIDITY INCREASE BY HEATING AND IS ORIGNINALLY SEALED WITHIN A ORIGINAL RIGID TUBULAR CONTAINER HAVING A UNIFORM BORE AND AN OPERABLE SEALING CLOSURE AT ONE END OF ITS SIDE WALL AND A SEALING CLOSURE MEMBER AT THE OTHER WALL END HAVING A DISC PORTION PERIPHERALLY AND CLOSELY FITTING WITHIN THE CONTAINER BORE AND ORIGINALLY ATTACHED TO THE LATTER WALL END IN SEALED RELATION THERETO BY AN OUTTURNED INTEGRAL PERIPHERAL U-BEND PORTION OF SAID LATTER CLOSURE MEMBER RADIALLY AND SEALEDLY GRIPPING THE RECEIVED CONTAINER WALL END, WITH ITS DISC PORTION COMPRISING A UNITARY ELEMENT WHICH HAS BEEN FREED BY A PERIPHERAL ELIMINATION OF THE BIGHT PORTION OF SAID ATTACHING U-BEND OF THE LATTER CLOSURE MEMBER AND SOLELY INCLUDES SAID DISC PORTION AND SAID INTEGRALLY ATTACHED INNER U-BEND SIDE TO PROVIDE FOR ITS GUIDED MOVEMENT WITHIN THE WALL BORE OF THE CONTAINER AS A DISPENSING PRESSURE PLATE AGAINST THE MATERIAL CHARGE WITHIN THE WALL BORE; A SUPPORT FRAME PROVIDING RIGIDLY SPACED LOWER AND UPPER SUPPORT MEMBERS TRANSVERSELY DEFINING BETWEEN THEM A LATERALLY OPEN SPACE FOR FREELY RECEIVING THE CHARGED AND CONTAINER BETWEEN THEM WITH THE FIRST END OF THE CONTAINER SEATED ON THE LOWER FRAME MEMBER IN FIXED ANGULAR RELATION THERETO, A PISTON ROD SUP-