Insulated container and closure therefor

• US 3,096,897 A
• Filed: 03/14/1960
• Issued: 07/09/1963
• Est. Priority Date: 03/14/1960
• Status: Expired due to Term

• Current Assignee: Erik H. Hansen
• Original Assignee: Erik H. Hansen
• Inventors: Hansen, Erik H.
• Application Number:
  US04/014,800
• Time in Patent Office: 1,212 Days
• US Class Current: 215/12.2
• CPC Class Codes: A47J 41/0011 the stopper being completely removed from the opening during dispensing
• CPC Class Codes: B65D 2543/00092 circular
• CPC Class Codes: B65D 2543/00231 made of several pieces
• CPC Class Codes: B65D 2543/00296 Plastic
• CPC Class Codes: B65D 2543/00305 Other
• CPC Class Codes: B65D 2543/00314 Combination, e.g. laminates, several different materials
• CPC Class Codes: B65D 2543/0049 on the inside, or a part turned to the inside of the mouth of the container
• 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 2543/0062 Groove or hollow bead
• CPC Class Codes: B65D 2543/00629 Massive bead
• CPC Class Codes: B65D 2543/00685 Totality
• CPC Class Codes: B65D 2543/0074 Massive bead
• CPC Class Codes: B65D 2543/00796 Totality
• CPC Class Codes: B65D 2543/0099 Integral supplemental sealing lips
• CPC Class Codes: B65D 43/0212 only on the outside, or a part turned to the outside, of the mouth B65D43/0206 takes precedence
• CPC Class Codes: B65D 51/28 with auxiliary containers for additional articles or materials B65D51/247 takes precedence
• CPC Class Codes: B65D 81/3823 formed of different materials, e.g. laminated or foam filling between walls
• CPC Class Codes: Y10S 220/23 Fiberglass

Claims

1. AN INSULATED CONTAINER OF RESILIENT THERMOPLASTIC MATERIAL COMPRISING AN INNER CONTAINER AND A SURROUNDING OUTER SHELL HAVING AN INSULATING SPACE THEREBETWEEN, A NECK PORTION CONNECTED TO SAID CONTAINER AND CASING AND FORMING A MOUTH FOR THE INSULATED CONTAINER AND HAVING AN OUTER RIM, AND A CLOSURE FOR SAID MOUTH INCLUDING A HOLLOW STOPPER PORTION HAVING AN OPENING AT ITS OUTER END LEADING TO THE INTERIOR THEREOF ADAPTED TO BE INSERTED INTO THE NECK PORTION, AN ANNULAR PORTION EXTENDING OUTWARDLY FROM THE STOPPER, A DEPENDING WALL AT THE EDGE OF THE ANNULAR PORTION HAVING MEANS INTERLOCKING WITH SAID RIM TO HOLD THE CLOSURE THERETO, THE ANNULAR PORTION HAVING SEALING RIB PORTION PRESSED AGAINST THE END OF SAID NECK PORTION TO SEAL THE MOUTH, AND A CAP FOR CLOSING THE OPENING AT THE OUTER END OF THE STOPPER, SAID CAP HAVING A PORTION ENGAGING THE OUTER FACE OF THE ANNULAR PORTION AND A FLANGE INSERTED INTO THE OPENING, SAID FLANGE HAVING RIB OF RIGHT TRIANGULAR CROSS-SECTION EXTENDING INTO A CORRESPONDINGLY SHAPED COOPERATING GROOVE FORMED IN SAID ANNULAR PORTION ABOVE THE STOPPER PORTION WITH THE BASE OF THE TRIANGLE FACING THE OUTER END OF THE STOPPER AND THE HYPOTENUSE OF THE TRIANGLE FACING THE SEALING PORTION OF THE STOPPER.