Advertising and promotional display materials
US4310978A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 18, 1979 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Dec 18, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An article for displaying advertising or promotional materials. In the preferred form, the article comprises a mounting portion including a body of an elastomeric material having embedded therein a plurality of magnetic particles, thereby rendering the mounting portion capable of being adhered to a magnetically permeable substrate. The body has a rear surface portion adapted to be received over the substrate, an oppositely directed front surface portion, and an intermediate opaque sheet of a thermoplastic material bonded by a pressure-sensitive adhesive to said front surface portion of the body. A cover sheet closely overlies the intermediate sheet, and the intermediate sheet and the outer sheet have their respective peripheral edges bonded to each other by a fused, adhesiveless bond about at least a substantial portion of the periphery of the article. In one form, an envelope is provided, and in another form, the cover sheet is transparent and a display image is lithographed on the inner surface of the cover sheet. A method of forming the article is described; the method includes simultaneously die-cutting articles and fusing certain portions of their edges together to form the fi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.