Differential pressure sensitive adhesive joined business form
US4696843A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1986 |
| Grant date | Sep 29, 1987 |
| Priority date | — |
| Expiry date | Nov 19, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24752
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A business form includes a first sheet 16 of label stock having one side 24 coated with a first pressure sensitive adhesive 22, a first sheet 18 of release liner stock engaged with the first adhesive 22 with the release liner 18 and the label stock 16 being laterally offset from one another so that a narrow strip "N" of the first adhesive that is unengaged with the release liner 18 exists. A second sheet 36 of label stock is provided and is coated on one side 38 with a second pressure sensitive adhesive 40. A second sheet 42 of release liner stock is adhered at one edge to the first label stock sheet 16 at the narrow strip "N" of first adhesive 24 as well as to the second sheet 36 of label stock by the second adhesive 40. The characteristics of the two label stock or the characteristics of the two adhesives, or both may be varied to achieve various purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.