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. 21, 2016
Filed:
Jul. 27, 2012
Nihan Dogan, La Croix-sur-Lutry, CH;
Frederic Doleac, Vaux et Chantegrue, FR;
Nihan Dogan, La Croix-sur-Lutry, CH;
Frederic Doleac, Vaux et Chantegrue, FR;
Nestec S.A., Vevey, CH;
Abstract
The present invention concerns a capsule () defining a closed chamber for enclosing a mass of soluble and/or extractable food material, for use in a beverage preparation machine, comprising: (i) capsule side walls (), (ii) a top membrane () pierceable by injection means () of the machine which are adapted to inject an extraction liquid under pressure inside said chamber, and (iii) a bottom wall () (iv) means () adapted to open said chamber by relative engagement with the bottom wall () under the effect of the liquid pressure increase in the chamber during injection of said liquid characterized in that at least the portion of the top membrane surface which is to be pierced by the fluid injection means (), comprises an elastic material having a tensile strength higher than 1 Mpa, preferably higher than 5 MPa, more preferably higher than 10 MPa and an elongation at break superior to 100%, preferably superior to 500%, such that said top membrane () recloses in a leaktight manner, after said fluid injection means () have been removed therefrom.