Extraction bag
US12161247B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2020 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Jan 7, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/808
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tea bag type extraction bag to obtain extraction liquid includes bag main body formed of water permeable filter sheet, pair of thin plate-like members provided on outer surfaces of two opposing faces of bag main body; and extraction material filled in bag main body. Respective outer surfaces of bag main body, thin plate-like member includes upper edge portion attached to upper part of bag main body, gripping portion continuous with upper edge portion via fold line and extends from fold line toward lower edge of bag main body, and leg portion extending from upper edge of bag main body toward lower edge of bag main body. Upper edge of upper edge portion is flush with upper edge of bag main body, and gripping portion is able to be folded upward along fold line so that leading end part thereof projects from upper edge of bag main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.