Hinged laminated map and method for making
US5273432A · kind A · utility
Inventor
Key dates
| Filing date | Apr 23, 1993 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Apr 23, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A folding laminated map with an improved hinge and image retention is described. The map, or composite image, is separated into two or more discrete partial images or panels and printed on a single sheet of a suitable material. The discrete panels contain all the graphic information contained in the composite image, but the panels are spaced from adjacent panels in the composite image. The space between panels is a blank area on the printed sheet which will become the hinge. Slot-like portions are cut out of the blank area on the printed sheet in such a way as to leave connecting tabs between adjacent partial images or panels. The slots are very narrow enabling substantial juxtaposition of adjacent panels. After the slots are cut out of the hinge portion of the printed sheet, the single sheet containing the panels is passed through a laminating device with the hinge parallel to the direction of travel through the laminator. Because the slot is so narrow, the sheets of laminating film on the top and bottom trap air within the slot(s). The narrowness of the slot(s) together with the direction of travel of the sheet through the laminator prevent the top and bottom layers of laminating…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.