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:
Apr. 17, 2012
Filed:
Sep. 21, 2007
Jean-pierre Voigtmann, Muraz, CH;
Jean-Pierre Voigtmann, Muraz, CH;
Aisapack Holding S.A., Vouvry, CH;
Abstract
The invention relates to a process for manufacturing plastic packaging in tubular form, which process comprises a wrapping step during which a laminate () is wrapped, an abutting step during which the edges () of the laminate () are butted together and a fastening step during which said edges () of the laminate () are welded together, characterized in that a bead () of plastic in the molten state is extruded and deposited on the internal face of the packaging so as to cover at least the weld zone () defined between the edges. The energy needed to produce the weld () comes from the plastic bead (). The invention also relates to packaging obtained from the aforementioned process and to a device for implementing said process.