| (19) |
 |
|
(11) |
EP 0 462 586 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.01.1993 Bulletin 1993/02 |
| (43) |
Date of publication A2: |
|
27.12.1991 Bulletin 1991/52 |
| (22) |
Date of filing: 19.06.1991 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT SE |
| (30) |
Priority: |
19.06.1990 JP 160399/90
|
| (71) |
Applicant: KABUSHIKI KAISHA JUKEN SANGYO |
|
Hiroshima-ken (JP) |
|
| (72) |
Inventor: |
|
- Nakamoto, Yusho
Hiroshima-ken (JP)
|
| (74) |
Representative: Füchsle, Klaus, Dipl.-Ing. et al |
|
Hoffmann, Eitle & Partner,
Patentanwälte,
Postfach 81 04 20
81904 München
81904 München (DE) |
|
| |
|
(57) Disclosed is a woody board, in which a molded layer of a woody material of a wood
powder or woody fibers is provided on one surface or both surfaces of a woody substrate
of a molded sheet of a coniferous tree plywood or coniferous tree LVL, and a method
of preparing said woody board. The woody board is prepared by molding a woody material
mix comprising an adhesive and a woody material of a wood powder or woody fibers on
at least one surface of a woody substrate. The woody board has a flat and smooth surface
and has a high mechanical strength and a high screw-drawing resistance.