Method and device for manufacturing seal film, method of manufacturing inner seal attachment container, inner seal member, and method of sealing cap attachment container using the same
US8844597B2 · kind B2 · utility
0Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2009 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Feb 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1343
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A first base is interfolded along a folding line 1c extending in a flow direction thereof, one portion 1a of two portions divided by the folding line of the first base overlaps with a second base so as to be sealed thereto, a laminated structure formed by the first to third bases is punched into a predetermined shape so as to include the folding line portion, and a handle portion is formed by sealed portions of the first and second bases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.