Adhesive security tape
US6998168B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 6, 2004 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Jul 18, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2848
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An adhesive security tape (10) includes a base layer (11) and a first adhesive layer (16) is located on a top of the base layer. A first resin layer (17) is coated to an underside of the base layer and a message layer (12) is located on an underside of the first resin layer. A second resin layer (18) is filled in gaps between protrusions on an underside of the message layer. A color layer (13) is coated on an underside of the second resin layer. An adhesive film (14) is located on an underside of the color layer. A second adhesive layer (15) is located on an underside of the adhesive film. The tape has an even color before it is peeled and a clear message is left on the tape after the tape is peeled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.