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:
Jun. 13, 2017
Filed:
Nov. 16, 2012
Tetra Laval Holdings & Finance S.a., Pully, CH;
Göran Johansson, Stehag, SE;
Lennart Stillerud, Lund, SE;
Bengt Håkansson, Sjöbo, SE;
Pär Rydberg, Genarp, SE;
TETRA LAVAL HOLDINGS & FINANCE S.A., Pully, CH;
Abstract
A membrane for sealing an open spout of a food package comprises a central circular disc member, an outer annular disc member connected to the central circular disc member along its inner periphery at a connection angle, and a resilient tubular portion extending between a first open end and a second end being connected to the outer annular disc member, the diameter of the second end being smaller than the outer diameter of the annular disc member, wherein the annular disc member is pivotable relative the central circular disc member for increasing the diameter of the second end of the tubular portion by changing the connection angle.