PLASTIC FILM PACKAGE CONTAINING CONTENTS UNDER SUPERATMOSPHERIC PRESSURE

• US 3,615,709 A
• Filed: 08/01/1968
• Issued: 10/26/1971
• Est. Priority Date: 08/01/1967
• Status: Expired due to Term

• Current Assignee: Andrew George Ford, Ronald Augustus Hudson
• Original Assignee: Andrew George Ford, Ronald Augustus Hudson
• Inventors: Hudson, Ronald Augustus, Ford, Andrew George
• Primary Examiner(s): Lutter, Frank W.
• Assistant Examiner(s): Mentlik, William L.
• Application Number:
  US04/749,430
• Time in Patent Office: 1,181 Days
• Field of Search: 99/171LP,171B,171S 150/.5 215/1.5 206/46R,46F 229/3.5R 264/210
• US Class Current: 426/411
• CPC Class Codes: B65D 77/18 and securing by a deformable clip or binder
• CPC Class Codes: B65D 81/2061 in a flexible container

Abstract

A package comprising a container formed of oriented film of polyethylene terephthalate, containing a gas under pressure, e.g. a carbonated drink.

Claims

2. A package as claimed in claim 1 in which the sleeve provides a free-standing support for the package.

3. A package according to claim 1 wherein the container comprises film that is oriented to a higher draw ratio in the longitudinal than in the circumferential direction, while having a product of draw ratios within the range 7 to 16.

4. A package as claimed in claim 1 in which the contents are beer or another carbonated drink.

5. A package as claimed in claim 1 in which the contents are an article or articles, or a solid substance, and a gas under superatmospheric pressure.

6. A package as claimed in claim 1 in which the container has a bunched neck at each end thereof, said bunched neck having a mechanical closure thereabout.

7. A package comprising a container formed from tubular biaxially oriented film of polyethylene terephthalate and filled with material under superatmospheric pressure, said container having a cylindrical portion intermediate the ends and being sealed at each end and having a bunched neck and a ligature surrounding said bunched neck.