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. 28, 2019
Filed:
Aug. 10, 2016
Ulma Packaging Technological Center, S.coop., Oñati, ES;
Alberto Otxoa-Aizpurua Calvo, Oñati, ES;
Gerardo Mendizabal Altuna, Oñati, ES;
Eneko Izquierdo Ereño, Oñati, ES;
ULMA PACKAGING TECHNOLOGICAL CENTER, S.COOP., Oñati, ES;
Abstract
A method and apparatus for vacuum packaging a product. According to one embodiment a film tube is generated, and, in the film tube a product (P) is introduced and at least one cut is made. In the method, a vacuum may also applied inside the film tube, and a transverse seal is formed therein, a film tube closed at one end being obtained upstream of the cut and a package closed at both ends being obtained downstream. Furthermore, the film tube is transversely pinched, a portion the inside of the film tube which is isolated from the inside of the rest of the film tube being obtained, and a chamber is demarcated around at least part of said portion, the vacuum being applied and the transverse sealing operation being performed inside said chamber.