Buffer member and buffer member forming material
US11325770B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2020 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Aug 8, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2585/6892
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A buffer member includes: a resin sheet welded in a bag-like shape; and a medium sealed in the resin sheet, wherein the resin sheet includes a plurality of buffer areas each having a shape extending longitudinally in a first direction and arranged adjacent to each other in a second direction orthogonal to the first direction, each buffer area of the plurality of buffer areas includes a first buffer chamber having a shape extending in the first direction, a second buffer chamber having a shape extending in the first direction and formed at a position separated from the first buffer chamber in the first direction, and a connecting flow passage connecting the first buffer chamber and the second buffer chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.