Layered sheet and method for molding layered sheet molded product
US12109795B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2022 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Mar 4, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A layered sheet product formed by layering a plurality of cloths comprised of thermoplastic resin strands and formed by layering a coating layer comprised of a thermoplastic resin onto at least one surface of the cloths, in which the thermoplastic resin is comprised of the same component as the strands and has a thickness of 0.02 mm or more and 1.0 mm or less, and a storage modulus of the coating layer at 150° C. is 3.00×106 Pa or higher and 1.00×108 Pa or lower, and a method for press molding the layered sheet and releasing the molded product after cooling to a range of 70° C. or more and 120° C. or less; and subsequently lowering the molded product temperature to 60° C. or lower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.