MY133011A - A system for dispensing coreless rolls of product - Google Patents

Abstract

A SYSTEM FOR DISPENSING CORELESS ROLLS (17, 710) OF PRODUCT. THE SYSTEM INCLUDES : (1) A ROTARY DISPENSER INCLUDING A FRAME (14, 42, 102) A MOUNTING MEANS, AND A PAIR OF COOPERATING PLUNGERS (28, 52, 114), EACH PLUNGER (28, 52, 114) INCLUDING : A BASE, THE BASE BEING FIXED TO THE FRAME; A DISTAL END, THE DISTAL END HAVING A RADIUS OF CURVATURE; AND A CENTRAL SHAFT, THE CENTRAL SHAFT CONNECTING THE BASE AND THE DISTAL END AND PROVIDING SUFFICIENT LENGTH SO THE PLUNGER HAS A LENGTH AT LEAST AS GREAT AS ITS WIDEST DIMENSION SO THE PLUNGER IS ADAPTED TO PENETRATE A MOUNTING HOLE DEFINED AT AN END OF A CORELESS ROLL PRODUCT, AND (2) A CORELESS ROLL OF PRODUCT THAT IS SELF-SUPPORTING IN THE ROTARY DISPENSER, THE CORELESS ROLL INCLUDING : A ROLLED WEB OF PRODUCT THAT IS WOUND SUBSTANTIALLY THROUGHOUT ITS DIAMETER ABOUT A WINDING AXIS INTO A CYLINDER HAVING FIRST AND SECOND FLAT ENDS; AND AT LEAST ONE FLAT END DEFINING A MOUNTING HOLE AT SUBSTANTIALLY THE CENTER OF THE WINDING AXIS OF THE CORELESS ROLL, THE MOUNTING HOLE HAVING A DEPTH AND HAVING SIDES GENERALLY PERPENDICULAR TO THE END OF THE ROLL, THE SIDES BEING SEPARATED BY A DISTANCE THAT IS LESS THAN THE DEPTH OF THE HOLE. THE MOUNTING HOLE OF THE CORELESS ROLL (12, 710) IS ADAPTED TO RECEIVE A PLUNGER (28, 52, 114) FROM A ROTARY DISPENSER (10, 40, 100) SUCH THAT RADIAL DISPLACEMENT OF THE CORELESS ROLL WITH RESPECT TO THE FRAME (14, 42, 102) IS PREVENTED DURING USE.