Writing instrument
US4207013A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1977 |
| Grant date | Jun 10, 1980 |
| Priority date | — |
| Expiry date | Jun 9, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K8/026
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved writing instrument comprising a casing, ink reservoir in the casing, a longitudinal nib having a capillary passage for the ink in the ink reservoir, and a longitudinal nib holder, with a bore, of a thermoplastic material which is fixedly mounted to the casing, the nib being inserted into the holder so that the forward end portion and the rear end portion of the nib are projected outwardly from the holder and being fixed to the holder with an adhesive material at a place between the forward end portion and the rear end portion of the nib, while the holder at the tip edge thereof is deformed so that the inner surface of the holder is in tight contact with the nib around the circumference thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.