Can and closure therefor

• US 4,427,128 A
• Filed: 10/13/1982
• Issued: 01/24/1984
• Est. Priority Date: 10/13/1982
• Status: Expired due to Fees

• Current Assignee: Continental Group Incorporated (Peter Kiewit Son's, Inc.)
• Original Assignee: Continental Group Incorporated (Peter Kiewit Son's, Inc.)
• Inventors: Heyn, William M.
• Primary Examiner(s): Hall, George T.
• Application Number:
  US06/434,156
• Time in Patent Office: 468 Days
• Field of Search: 220/270, 220/306
• US Class Current: 220/270
• CPC Class Codes: B65D 17/28 at lines or points of weakness
• CPC Class Codes: B65D 17/347 characterised by the connection between the tab and a detachable member or portion of the container
• CPC Class Codes: B65D 2401/15 Tearable part of the closure B65D2401/60 takes precedence
• CPC Class Codes: B65D 2543/0024 two pieces, one forming at least the whole skirt, the other forming at least the whole upper part
• CPC Class Codes: B65D 55/0881 Closure not directly connected to container, but connected by means of a destructible intermediate ring B65D55/0863 takes precedence

Abstract

A closure for a can in which the can comprises a circumscribing curl which interlocks with a sealing flange breakable upon lifting of the closure and which serves to hold the closure in closed position.

Claims

1. A closure for a can and the like wherein the can has a body wall and an upper edge channel formation thereabout providing a seal-means-receiving gap therein,

a cap fitted over said upper edge portion and having sealing means entered into said channel formation through said gap in a sealtight fit therewith,

said sealing means being adapted to be torn apart attendant to lifting off of said cap to open the can.

2. The invention according to claim 1 and said sealing means having a remaining portion on said cap after being torn apart for interlocking engagement with said channel formation for retaining the cap on said can after reclosure.

3. The invention according to claim 1 and said cap having a plastic skirt portion and said means comprising a flange extending radially inwardly from said skirt.

4. The invention according to claim 3 and said flange having a weakening score therein to facilitate tearing thereof.

5. The invention according to claim 1 and said formation being of rectangular section and comprising upper and lower clamping strips defining said gap and being bendable for clamping engagement with the flange.

6. A closure for a container having an upper end portion including a channel formation with an entryway,

a cap fitted on the upper end portion comprising a stretchable plastic skirt having a sphinctural grip about said upper end portion and comprising a sealing flange extending through said entryway into said channel formation and being tightly clamped by opposing portions of said channel, said flange being tearable apart attendant to lifting of the cap from said container.