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. 14, 2021
Filed:
Apr. 23, 2019
Applicant:
Totani Corporation, Kyoto, JP;
Inventor:
Yuji Ohnishi, Kyoto, JP;
Assignee:
Totani Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/20 (2006.01); B29C 65/78 (2006.01); B29C 65/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 65/20 (2013.01); B29C 65/7894 (2013.01); B29C 66/432 (2013.01); B29C 66/8511 (2013.01); B29L 2031/7128 (2013.01);
Abstract
A head seal device of a bag making apparatus includes a pair of seal units configured to face each other in a facing direction. Each of the seal units includes a heat seal member and a heater. The heat seal device includes an adjustment unit configured to move the first seal unit in a width direction of continuous sheet panels, and to move the second seal unit in the width direction of the sheet panels in accordance with movement of the first seal unit in the width direction.