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:
Jan. 15, 2013
Filed:
Jul. 22, 2009
Gregory S. Sprehe, Carterville, IL (US);
Donald Wright, Murphysboro, IL (US);
Christopher Pemberton, Marion, IL (US);
Lester Siebert, Cobden, IL (US);
Robert Beiser, Chicago, IL (US);
Gregory S. Sprehe, Carterville, IL (US);
William A. Bodolay, Chicago, IL (US);
Donald Wright, Murphysboro, IL (US);
Christopher Pemberton, Marion, IL (US);
Lester Siebert, Cobden, IL (US);
Other;
Abstract
A vertical form, fill and seal machine in conjunction with a product supply apparatus provides a continuous, heat sealable plastic film and zipper tape and provides separate, product filled, reclosable, top opening sealed bags. The apparatus includes a means for supplying the continuous plastic film, a means for supplying zipper tape, a means for sealing the zipper tape sections to the film, a vertical fill tube assembly, a feeding means including a film drive roll upstream, film pull belts adjacent the vertical fill tube, a vertical sealing means for sealing the edges of the continuous film to the edges of the continuous zippered cap strip, a horizontal sealing, perforating, and severing means for severing the plastic tube between the first and second horizontal seals, and a tensioning means for horizontally elongating the flexible plastic tube transverse to its length prior to formation of the horizontal seals.