Typewriter or printer ribbon and method for its manufacture
US5062725A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1990 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Sep 19, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249921
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A typewriter or printer ribbon with separate inked strips which extend in the longitudinal direction of the ribbon, and which are applied on a common, homogeneous support film. The inked strips are disposed on the front and back of the support film, perpendicularly to the longitudinal direction of the film, alternately offset to one another at equal intervals in such a manner that the back surface of the support film, which is opposite the coated side, is not coated. A method of manufacturing the typewriter or printer ribbon, wherein a wide support film is coated with several inked strips and then cut into suitable ribbons so that the inked strips are disposed on only one half of the front and only one one half of the back of the support film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.