Method and apparatus for limiting equipment burden when penetrating a mixed or composite material structure including metal utilizing a hammer-drill
US10646985B2 · kind B2 · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2016 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2217/0007
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method employing an apparatus in conjunction with a hammer-drill to penetrate composite metal and non-metal structure or structures including, for example, thick metal or rebar encountered during concrete, rock or masonry boring operations without requiring a change in drill equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.