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. 10, 2021
Filed:
Oct. 31, 2014
Arpac, Llc, Schiller Park, IL (US);
Steve Smith, Schiller Park, IL (US);
Arpac, LLC, Schiller Park, IL (US);
Abstract
A heat shrink tunnel with width adjustment includes a pair of opposing side wall assemblies, each including an outer wall and an inner perforated wall defining a plenum therebetween. The opposing side walls define a product path with the side wall assemblies being movable toward and away from each other. A heater/blower assembly disposed in each of the opposing side walls and has an outlet directed into the product path. A shroud extends over the side wall assemblies and an open top space between the side all assemblies. The side wall assemblies extend upwardly toward an inside of the shroud so as to define a small gap between tops of the side wall assemblies and the inside of the shroud. The shroud has a bottom wall. A conveyor is configured to convey items through the heat shrink tunnel. A tunnel includes a side wall assembly width adjusting assembly to move the side walls toward and away from one another by actuation of a single actuator.