| (19) |
 |
|
(11) |
EP 0 283 072 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
16.05.1990 Bulletin 1990/20 |
| (43) |
Date of publication A2: |
|
21.09.1988 Bulletin 1988/38 |
| (22) |
Date of filing: 25.02.1988 |
|
| (51) |
International Patent Classification (IPC)4: B29D 24/00 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
18.03.1987 IT 2116987 U
|
| (71) |
Applicant: LA/ES LAMINATI ESTRUSI
TERMOPLASTICI S.P.A. |
|
I-20121 Milan (IT) |
|
| (72) |
Inventor: |
|
- Conterno, Cosimo
I-22070 Figliaro
Como (IT)
|
| (74) |
Representative: De Carli, Erberto et al |
|
ING. BARZANO & ZANARDO MILANO S.p.A.
Via Borgonuovo, 10
20121 Milano
20121 Milano (IT) |
|
| |
|
| (54) |
Alveolar sheet of polycarbonate |
(57) Alveolar sheet of polycarbonate comprising a first outer wall (2) and a second outer
wall (3) jointed together by equidistant perpendicular baffles (4).
At least one of said two outer wall (2.3) and said perpendicular baffles (4) comprise
a layer of polycarbonate to which an U.V. light neutralizing substance is added.