Method of making a plastic flooring having backing steps of
US11525269B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2021 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Dec 2, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2290/043
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A making plastic flooring having a backing contains: a body which has a substrate, a printing layer, and an anti-abrasion layer. A method of making the plastic flooring contains steps of: (A). producing a semi-finished plastic flooring, wherein the semi-finished plastic flooring has the substrate, the printing layer, and the anti-abrasion layer; (B). moving and positioning the semi-finished plastic flooring on a predetermined position of drop plastic equipment, wherein the semi-finished plastic flooring is faced upward; (C). molding the backing, wherein the backing material is melt and is spray onto a bottom of the substrate of the semi-finished plastic flooring by using drop plastic equipment, and the backing material is adhered on the bottom of the substrate of the semi-finished plastic flooring after being solidified; and (D). cutting, wherein the semi-finished plastic flooring having the backing is removed and is cut into a desired size, thus producing the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.