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:
Nov. 18, 2003
Filed:
Feb. 20, 2003
Toshio Kanematsu, Tokushima, JP;
Takahiro Miyawaki, Tokushima, JP;
Yoshihiro Saijo, Tokushima, JP;
Michio Ueda, Tokushima, JP;
Shikoku Kakoki Co., LTD, Tokushima, JP;
Abstract
A heating device for heat-sealing containers by heating an end forming portion of a tubular container having a rectangular to square cross section, the end forming portion having four generally quadrilateral first to fourth panels to continuous with one another and each having a heating region or to be heated on an inner surface thereof. The heating device has a hot air nozzle in the form of a bottomed tube and fittable into the container end forming portion for heating an inner surface of the container. The nozzle has four side walls to continuous with one another and corresponding to the first to fourth panels to respectively, at least one of the side walls to being provided with a hot air discharge portion or having orifices and to be opposed to the heating region of the corresponding panel or and with a hot air nondischarge portion or other than the discharge portion, the hot air nondischarge portion being at least partly provided with a hot air escape portion or