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:
Sep. 18, 2007
Filed:
Jul. 31, 2006
Bradley Jon Vandertuin, Alexandria, MN (US);
Richard Jerome Schoeneck, Alexandria, MN (US);
Irvan Leo Pazdernik, Alexandria, MN (US);
Bruce Malcolm Peterson, Alexandria, MN (US);
Paul Howard Wagner, Alexandria, MN (US);
Bradley Jon VanderTuin, Alexandria, MN (US);
Richard Jerome Schoeneck, Alexandria, MN (US);
Irvan Leo Pazdernik, Alexandria, MN (US);
Bruce Malcolm Peterson, Alexandria, MN (US);
Paul Howard Wagner, Alexandria, MN (US);
Douglas Machine Inc, Alexandria, MN (US);
Abstract
A heat tunnel for applying heated air to articles enclosed in shrink-wrap film includes at least one air supply unit; a conveyor; and a heat shroud spaced from the conveyor. The air supply unit includes a source of heated air, a fan, a heated air plenum, air ducts, and a return air plenum. Multiple air supply units can be provided along the conveyor to create a heat tunnel of desired length.