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. 23, 2021
Filed:
Nov. 29, 2018
Toyo Seikan Co., Ltd., Tokyo, JP;
Takashi Miura, Yokohama, JP;
Kazumi Ozawa, Tokyo, JP;
Masahiro Hongou, Yokohama, JP;
Shie Matsunaga, Yokohama, JP;
TOYO SEIKAN CO., LTD., Tokyo, JP;
Abstract
To provide a microwave pouch that favorably prevents both of hole formation of the pouch and spurting of contents, with a simple structure. A microwave pouch () includes a self-venting mechanism (). The self-venting mechanism () has an annular venting seal (), a steam release part () surrounded by the venting seal (), and a movable piece () defined by a slit () formed in the steam release part (). The venting seal () has a seal peel initiation part () where peeling is started by steam generated inside the pouch () during heating. The slit () includes slit both ends (), and a slit intermediate part () formed to extend from the slit both ends () toward a region away from the seal peel initiation part () and connecting the slit both ends.