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:
Oct. 16, 2001
Filed:
Apr. 23, 1999
Applicant:
Inventors:
Yoshihiro Nakamura, Shiga, JP;
Hiroaki Morinaka, Shiga, JP;
Assignee:
Ishida Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B 5/110 ;
U.S. Cl.
CPC ...
B65B 5/110 ;
Abstract
A heat sealer capable of providing a high sealing strength by appropriating a distribution of temperature at two sheet contact faces (,) includes a block (,) made of a metallic material having a high rigidity and operable to heat the resinous sheet (S) while pressing the latter. The block (,) is provided with heaters (,) therein and also with heat conducting members (,) each having an excellent heat conductive characteristic higher than that of the metallic material. The heat conducting members (,) are positioned between the heaters (,) and the sheet contact faces (,), respectively.