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:
Jul. 16, 2019
Filed:
Nov. 14, 2016
Fujimori Kogyo Co., Ltd., Tokyo, JP;
Fujimori Kogyo Co., Ltd., , JP;
Abstract
A manufacturing method of a package bag () according to the present invention includes: a cured portion forming step of forming a cured portion () on at least one side of a forming position of a rib () by crystallizing at least a portion of a resin constituting a film () by heating and cooling the film (); and a rib forming step of forming a rib () by pressing the film () using concave and convex molds. According to the present invention, it is possible to maintain an opening state of a spout (). Further, since additional material is not required, it is possible to suppress increase in the thickness of the package bag () and to reduce the bulkiness of the package bags.