Device for injecting filling into cracks of wall
US6200054A · kind A · utility
Inventor
Key dates
| Filing date | Feb 11, 2000 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Feb 11, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G23/0211
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An injection device for injecting a filling into a wall includes a filling housing having a nozzle, and a plunger slidably engaged in the housing for drawing and injecting the filling relative to the housing. One or more vacuuming housings are secured to the filling housing and each has a plunger for vacuuming the vacuuming housing. The vacuuming housing plunger may force the plunger of the filling housing to inject the filling into the cracks of the walls. The plungers may be secured to the respective housing and may be disengaged from the housing when required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.