The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1992
Filed:
Jul. 31, 1989
Applicant:
Inventor:
Hans Rausing, Wadhurst, GB;
Assignee:
Tetra Pak Holdings SA, Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ; B32B / ;
U.S. Cl.
CPC ...
428 358 ; 428 43 ; 428152 ; 428156 ; 428172 ; 428330 ; 428337 ; 428349 ; 428461 ; 428121 ; 428192 ; 229140 ; 229193 ; 229199 ; 229D / ;
Abstract
A flexible material comprises a sheet or web of deformable heat-sealable plastic material having at least one face a surface relief pattern comprising a multitude of small, closely spaced depressions and/or elevations serving to impart increased rigidity and optionally one or more layers, e.g. of aluminum foil, laminated to said plastic material over said relief pattern.