Dry wall taper
US4828647A · kind A · utility
14Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Mar 11, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for applying tape and mastic to joints between prefabricated wall sections such as gypsum board comprising a tubular housing which holds a supply of mastic, a main drive roller mounted at the forward end of the housing which rotates by friction as it is moved along a wall and tape drive roller means operated by the main drive roller and which feeds the tape forwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.