Dust control mat with non-cleated borders
US4886692A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1988 |
| Grant date | Dec 12, 1989 |
| Priority date | — |
| Expiry date | Sep 14, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cleated dust control mat having a rubber of rubber-like backing in which the longitudinal edges of the rubber-like backing projecting outward from the pile surface thereon is smooth and thicker than the body of the rubber or rubber-like backing material. The thicker edges are produced by using a perforated silicone pad which is narrower than the desired width and has beveled edges thereon to provide a curved transition therein between the body and the longitudinal edges of the backing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.