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:
Jan. 28, 2003
Filed:
May. 19, 2000
Applicant:
Inventor:
Jean-Claude Engelaere, Koudekerke-Branche, FR;
Assignee:
Soplaril, S.A., , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D 8/100 ;
U.S. Cl.
CPC ...
B65D 8/100 ;
Abstract
A multilayer structure, for a re-closable packaging which can be readily and effectively opened and then re-sealed is provided comprising a central pressure-sensitive adhesive layer and two outer layers, one of which is a tearable welding layer, the central adhesive layer comprising two sub-layers and the structure being able to be obtained by collapsing the co-extrusion bubble, together with a packaging comprising at least one tearable film having this symmetrical multilayer structure, and a process for producing the structure and the packaging.