Bending wood laminate and bent shaped part produced therefrom
US9718257B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2014 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Feb 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24471
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A pliable bentwood laminate with an intermediate layer (2) forming a central layer, having first and second surface sides, a first outer timber layer (3) on the first surface side, and a second outer timber layer (4) one the second surface side, wherein the distance between the outer surface of the first and second outer timber layers (3, 4) is at least 8 mm, wherein the first and the second outer timber layers (3, 4) are formed from rotary cut balsawood veneer, wherein density of the first and second outer timber layers (3, 4), with a residual moisture content of 12% by weight with respect to the timber mass, is less than 200 kg/m3, wherein the first and second outer timber layers (3, 4) have lathe checks (5) on one surface side, wherein the first and second outer timber layers (3, 4) are arranged with the surface side having the lathe checks (5) faces away from the intermediate layer (2), wherein the bentwood laminate can be and/or is curved with an inner bending radius of between 100 mm and 250 mm, wherein the intermediate layer is a directional timber layer, a natural axis of the bentwood laminate runs in the intermediate layer, and wood grain of the directional intermediate la…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.