Structural element and method for the production thereof
US9533468B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2013 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Mar 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A structural element for use as a core layer in a sandwich composite element, wherein the structural element (2) is formed from a plurality of mutually welded body segments (4, 5) made from an extrusion foamed thermoplastic, and wherein the structural element (2) has a first face side (1) for bonding to a cover layer, wherein a surface of the first face side (1) that can be loaded with a resin (8) has open pores (6), wherein the surface of the first face side (1) is created by hot-element cutting, in such a manner that the surface is thermally sealed to some extent, wherein a gloss value of the surface of the first face side (1), measured at 60° in accordance with DIN 67530-1982 is between 2 and 10 gloss units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.