Key sheet and manufacturing method for key sheet
US7321103B2 · kind B2 · utility
39Cited by
9References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2006 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Aug 30, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24339
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
As a key sheet for fixing a base sheet and key tops to be arranged on the base sheet using adhesive layers, a key sheet where the key tops and the base sheet are fixed, is obtained by forming printed adhesive layers of the key tops on facing surfaces of at least either of the key tops or the base sheet by means of printing, and then bringing the printed adhesive layer into contact with the other facing surfaces in a softened or molten state, and by curing the printed adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.