Process and device for clearing out joints in masonry
US5992404A · kind A · utility
12Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Feb 23, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F21/0084
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A process and a device for clearing out joints in masonry is disclosed. The clearing out is effected by producing a groove by high-pressure water jets that are so oriented and guided relative to one another and relative to the desired groove. Further, a groove with a determined cross section of determined width and depth results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.