Double container
US11383875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Mar 24, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2205/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A double container includes: an outer layer body including an outer mouth portion and a barrel portion; an inner layer body including an inner mouth portion and a containing portion; an outside air introduction port for introducing outside air; and a plurality of vertical ribs arranged with spacing in a circumferential direction on an inner surface of the outer layer body or an outer surface of the inner layer body, and each extending over the outer mouth portion to the shoulder portion or extending over the inner mouth portion to the containing portion, wherein at least one of the plurality of vertical ribs faces the outside air introduction port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.