Device adapted to be used in the production of conical paper cups

• US 3,157,096 A
• Filed: 12/27/1962
• Issued: 11/17/1964
• Est. Priority Date: 12/27/1962
• Status: Expired due to Term

• Current Assignee: Werner Schmidt
• Original Assignee: Werner Schmidt
• Inventors: Schmidt, Werner
• Application Number:
  US04/247,636
• Time in Patent Office: 691 Days
• US Class Current: 493/296
• CPC Class Codes: B31B 2105/0022 Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
• CPC Class Codes: B31B 50/00 Making rigid or semi-rigid containers, e.g. boxes or cartons
• CPC Class Codes: B31B 50/32 in circular paths
• CPC Class Codes: Y10T 156/1038 Hollow cylinder article

Claims

1. A DEVICE ADAPTED TO BE USED IN THE PRODUCTION OF CONICAL PAPER CUPS, COMPRISING A MANDREL ABOUT WHICH A PAPER CUTOUT MAY BE WRAPPED, MEANS FOR MOVING SAID MANDREL ALONG A CURVED PATH, GUIDE MEANS POSITIONED ADJACENT THE PATH OF MOVEMENT OF SAID MANDREL AND COOPERATING THEREWITH FOR WRAPPING A CUT-OUT PARTLY ABOUT SAID MANDREL, AND A PAIR OF WRAPPING LEVERS SWINGABLY MOUNTED AT OPPOSITE SIDES OF SAID PATH OF MOVEMENT OF SAID MANDREL AND OPERABLE, IN RESPONSE TO THE MOVEMENT OF SAID MANDREL RELATIVE TO SAID WRAPPING LEVERS, TO COMPLETE THE WRAPPING OF SAID CUT-OUT ABOUT SAID MANDREL WITH AN OVERLAPPING SEAM, EACH OF SAID WRAPPING LEVERS COMPRISING A PAIR OF LEGS ARRANGED IN THE MANNER OF TONGS, AND RESILIENT MEANS FOR URGING THE ASSOCIATED PAIR OF SAID LEGS YIELDINGLY TO APPROACH ONE ANOTHER.