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:
May. 09, 1989
Filed:
Jun. 15, 1988
Applicant:
Inventor:
Per M Andersson, Lutry, CH;
Assignee:
Tetra Pak Finance & Trading S.A., Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
220272 ; 220270 ;
Abstract
A container having a top wall being made at least partly of a support material and being coated. The container has an opening device with a puncture line, along which the pouring spout can be torn open. The improved pouring spout having an improved impermeability to gases of the container, and according to the invention having at least at one location of the puncture line a grip means and a tear-off means made of plastic being attached inside and outside to the support material. The tear-off means is preferably molded into a hole in the top wall to have a cross-sectionally rivet-like shape and has a grip means.