Hybrid industrial mats having side protection
US10273639B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2018 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Jun 8, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2201/207
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hybrid crane/rig mat that has outer side members of first and second side beams or boards of engineered lumber, oak or other hardwoods, or bumper members of solid or filled or unfilled hollow plastic members; a core structure of a metal or thermosetting plastic frame that includes side and end members and that contains therein a plurality of longitudinal members made of wood, engineered lumber, or of plastic or elastomeric materials; and a plurality of joining rods that pass through the outer side members, the core structure and longitudinal members to attach the outer side members to the core structure. The first end of the mat includes a male member and the second end of the mat includes a female member so that a first end of one mat can be releasably interlocked with a second end of a similarly configured and adjacently positioned additional mat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.