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:
Aug. 23, 2005
Filed:
Feb. 07, 2003
Paul A. Selle, Appleton, WI (US);
Mark C. Krueger, Green Bay, WI (US);
Mitchell J. Hein, Green Bay, WI (US);
Alan G. Box, Atlanta, GA (US);
Paul A. Selle, Appleton, WI (US);
Mark C. Krueger, Green Bay, WI (US);
Mitchell J. Hein, Green Bay, WI (US);
Alan G. Box, Atlanta, GA (US);
Pactiv Corporation, Lake Forest, IL (US);
Abstract
Devices and methods for inflating and sealing packaging pillows from a material web are shown for consistently producing high-quality packaging pillows. A web of material is advanced past an inflation nozzle, inflated with gas, and sealed closed by a sealing element. The temperature of the sealing element is monitored using a thermocouple connection and automatically adjusted using a closed-loop system. A sealing clamp parallel to the sealing element maintains two sheets of the web in contact through the sealing step. The inflation nozzle is provided with two inflation outlets: a first outlet inserting gas longitudinally into the web of material, and a second outlet inserting gas laterally into the material. Gas input is controlled with the use of relief valves to maintain pillow quality at all stages of production.