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:
Jul. 31, 2018
Filed:
Dec. 19, 2014
Cmd Corporation, Appleton, WI (US);
Arvid R. Johnson, Appleton, WI (US);
Peter T. Hunnicutt, Greenville, WI (US);
Christopher L. White, Little Suamico, WI (US);
Thomas C. Jansen, Appleton, WI (US);
Timothy J. Rymer, Neenah, WI (US);
Paul A. Selle, Appleton, WI (US);
CMD Corporation, Appleton, WI (US);
Abstract
A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, and may include a heating wire. The heating wire may be an NiCr wire stitched into holes in a cap or on the seal bar. Bushings may be disposed in the holes.