Container and method of forming the same

• US 3,142,280 A
• Filed: 08/07/1961
• Issued: 07/28/1964
• Est. Priority Date: 08/07/1961
• Status: Expired due to Term

• Current Assignee: William Heinle Carl
• Original Assignee: William Heinle Carl
• Inventors: WILLIAM HEINLE CARL
• Application Number:
  US04/129,775
• Time in Patent Office: 1,086 Days
• US Class Current: 413/12
• CPC Class Codes: B21D 51/32 by rolling
• CPC Class Codes: B65D 2401/15 Tearable part of the closure B65D2401/60 takes precedence
• CPC Class Codes: B65D 2543/00092 circular
• CPC Class Codes: B65D 2543/00277 Metal
• CPC Class Codes: B65D 2543/00509 Cup
• CPC Class Codes: B65D 2543/00537 on the outside, or a part turned to the outside of the mouth of the container
• CPC Class Codes: B65D 2543/00555 on both the inside and the outside
• CPC Class Codes: B65D 43/0293 leaving friction on both the inside and the outside after removal of the tamper element

Claims

1. THE METHOD OF FORMING AN EASY OPENING CONTAINER, COMPRISING THE STEPS OF POSITIONING A COVER IN THE OPEN END OF A CONTAINER BODY, SAID COVER HAVING A PERIPHERAL SKIRT EXTENDING OVER THE MARGINAL PORTION OF SAID BODY ADJACENT SAID CONTAINER END, ROLLING INTERLOCKING GROOVES IN SAID COVER SKIRT AND SAID MARGINAL BODY PORTION IN A SEAMING OPERATION TO SECURE SAID COVER AND SAID BODY TOGETHER, AND SIMULTANEOUSLY WITH SAID SEAMING OPERATION ROLLING A CIRCUMFERENTIAL SCORE LINE IN THE OUTER SURFACE OF SAID COVER SKIRT BETWEEN SAID INTERLOCKING GROOVES AND SAID CONTAINER END TO CREATE IN SAID COVER SKIRT A REMOVABLE TEARING STRIP CONTAINING THE GROOVED PORTION OF SAID SKIRT TO FACILITATE OPENING OF SAID CONTAINER.