Long hole saw for composite material insulation panel
US11407041B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Mar 15, 2019 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Mar 15, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2251/285
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a long hole saw for a composite material insulation panel for easily cutting a steel sheet of a hard material and a heat insulator such as Styrofoam or urethane of a soft material in one direction, wherein it is possible to reduce shaking vibrations generated during the cutting and to easily, precisely, and stably drill holes when drilling holes for the installation of pipes, conduits, etc. into a composite material insulation panel used for wall or roof construction of a building.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.