Printing plate for gasket type closures

Claim 1

A PRINTING PLATE FOR DEPOSITING A FLOWABLE PLASTIC GASKET FORMING MATERIAL ON A SHEET METAL BLANK WHICH IS ADAPTED TO BE FORMED INTO CLOSURE CAPS, SAID PRINTING PLATE BEING FORMED FROM A THIN SHEET OF SOLID METAL AND HAVING AN APERTURED CIRCULAR PRINTING AREA CORRESPONDING TO THE CONFIGURATION OF THE GASKET FORMING AREA AND A CENTER LINER FORMING AREA WHITHIN THE GASKET AREA, SAID PRINTING AREA BEING ETCHED SO AS TO PROVIDE A SEREIS OF RADIALLY EXTENDING APERTURES SEPARATED BY RADIALLY EXTENDING RIBS FORMATIONS WITH THE RIB FORMATIONS TERMINATING AT AN APERTURED CENTER GRID FORMATION, SAID RIB FORMATIONS AND SAID CENTER GRID FORMATION BEING ETCHED AWAY ON THE BOTTOM FORMING SIDE OF THE PLATE SO THAT THEY ARE OF LESSER THICKNESS THAN THE BODY OF THE PLATE THEREBY TO PERMIT THE DEPOSIT OF THE GASKET MATERIAL IN A CONFINED AREA CORRESPONDING TO THE GASKET AND LINER FORMING AREAS WHEN THE PLATE IS POSITIONED WITH THE BOTTOM SIDE ON A CAP FORMING BLANK AND THE GASKET FORMING MATERIAL IS FORCED INTO THE APERTURES AND ONTO THE BLANK.