Method of manufacturing cards with a transparent window
US10909334B2 · kind B2 · utility
0Cited by
0References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2018 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Jun 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2519/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The method comprises a pre-lamination step wherein a layer is placed in contact at least on one side with a lamination plate having a recess and the layer undergoes lamination such that a raised portion is formed on the layer; an assembling step wherein another layer is placed in contact with the layer, and the raised portion of the layer is at least partially placed in an opening of the other layer and a lamination step wherein said layers are laminated together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.