Delamination container
US11427369B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2018 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Mar 11, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2501/0027
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A synthetic resin delamination container formed by blow molding a preform assembly having an outer preform and an inner preform, at least either one of an inner surface of the outer preform and an outer surface of the inner preform being applied with a release agent. The delamination container has: an outer layer body including an outer mouth portion and a bottomed tubular body portion being continuous with the outer mouth portion; an inner layer body including an inner mouth portion and a volume-reducible and deformable storage portion peelably laminated on an inner surface of the body portion through a release agent layer formed by the release agent; and an outside air introduction port configured to introduce outside air between the outer layer body and the inner layer body, in which an applying amount per unit area of the release agent layer is 10 to 850 mg/m2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.