Process for manufacturing a dust control mat including reinforcing strips for enhanced tear resistance
US5928446A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1998 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Apr 15, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the application of tear resistant side and edge strip materials to a rubber base sheet of a launderable dust control mat is provided. The process involves the in-line mating of first and second strips of carboxylated rubber to the longitudinal borders of a rubber sheet and the in-line mating of third and fourth strips of carboxylated rubber to the leading and tailing edges of a rubber sheet, respectively, all by means of a series of pressure rolls. The process permits separate rubber sheet and side strip materials to be joined in a continuous or semicontinuous operation immediately prior to assembly of a mat thereby enhancing material handling efficiencies. Dust mats produced thereby are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.