Equipment of forming layering structure of plastic flooring
US12011863B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 30, 2020 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Oct 14, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2007/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Equipment of forming layering structure of plastic flooring contains: a co-extrusion unit, a first rolling mechanism, a second rolling mechanism, and a roller unit. The co-extrusion unit includes a first extruder, a second extruder, a third extruder, and a material distributor. A respective one of multiple guide tubes is defined between an opening of each of the first, second, third extruders and the material distributor, and the material distributor has multiple conduits configured to gather melted plastic materials from the first, second, third extruders, and a substrate is extrusion molded from a supply head of the material distributor. The roller unit is mounted on a support frame and includes a first delivery roller, a second delivery roller, a contact roller, two pattern rollers, a first guide roller, a second guide roller, and a third guide roller which are arranged along a horizontal direction of the support frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.