Lightweight sandwich steel sheet using polyamide, and manufacturing method therefor
US11433639B2 · kind B2 · utility
0Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2018 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Nov 1, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a lightweight sandwich steel sheet using polyamide, and more particularly, to a lightweight sandwich steel sheet using polyamide and a manufacturing method therefor, the steel sheet being usable at a wider temperature range than that of a conventional sandwich steel sheet and, particularly, having excellent adhesion at a low temperature and remarkably increasing stability and lightweight property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.