Impact resistant lagging, method for designing impact resistant lagging, and apparatus for testing impact resistant lagging
US9249663B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2010 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Mar 27, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D11/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A steel set assembly includes a first pair of legs and a second pair of legs with the first pair of legs being spaced from and positioned opposite the second pair of legs. First and second beams are provided with the first beam being secured to one leg of the first pair of legs and one leg of the second pair of legs. The second beam is secured to the other leg of the first pair of legs and the other leg of the second pair of legs. A panel is secured to the first and second beams and includes a base having a top surface and a bottom surface, a block having a top surface and a bottom surface, and a pad. The block is secured to the base and the pad is positioned between the top surface of the base and the bottom surface of the block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.