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:
Mar. 16, 2021
Filed:
Jul. 11, 2017
Rovema Gmbh, Fernwald, DE;
Volker Dersch, Gruenberg, DE;
ROVEMA GMBH, Fernwald, DE;
Abstract
A method for operating a tubular bag machine having a biaxially drivable transverse sealing device for producing tubular bags, a film sheet being closed by transverse bottom and top seams after having formed a film tube, an edge area of the film sheet forming a side fold using a side folder before forming the transverse bottom seam, and transverse top and bottom seams formed by adjacent tubular bags in one work step, said tubular bags formed in the draw direction having an alternating orientation, said side folder interacting with a stationary fold molding on the inner side of the film sheet, the minimal distance of the transverse sealing device to the fold molding alternatingly altered in the draw direction and being larger when producing the two transverse top seams than the minimal distance of the transverse sealing device to the fold molding when producing the transverse bottom seams.