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:
Dec. 30, 2008
Filed:
May. 22, 2002
Patrick R. Lancaster, Iii, Louisville, KY (US);
David Eldridge, Louisville, KY (US);
Steven Hack, Fisherville, KY (US);
Patrick R. Lancaster, III, Louisville, KY (US);
David Eldridge, Louisville, KY (US);
Steven Hack, Fisherville, KY (US);
Lantech.com, LLC, Louisville, KY (US);
Abstract
A heat sealing device for sealing layers of plastic film together is provided. In a preferred embodiment, the heat sealing device is incorporated into a stretch wrapping apparatus for wrapping a load. The heat sealing device includes a heater element, an air compressor or blower, and a sealing head in fluid communication with the heater element to distribute the heated air. The sealing head is preferably flexible and includes a plurality of convection ports configured to apply heated air to a portion of the packaging material without being completely covered by the packaging material. At least one insulated film contact portion is provided to distance the convection ports from the plastic film.