Publication

EP 0927590 A3 19990728

Application

EP 98122772 A 19981201

Priority

DE 29800006 U 19980102

Abstract (en)

[origin: EP0927590A2] The body part has a foam layer (2) with a metallic foam material, and a solid metallic cover layer (3,4) with a pattern of through perforations (14). The perforations are positioned in a regular geometric pattern, and at a relative distance of 2 to 5 cm. The body part has top and bottom cover layers with perforations in the top layer (3). The perforations are formed by a needle roller/board in a non-foamed semi-finished component.

IPC 1-7

B22F 3/11; B62D 29/00

IPC 8 full level

B22F 3/11 (2006.01); B22F 7/00 (2006.01)

CPC (source: EP)

B22F 3/1125 (2013.01); B22F 7/002 (2013.01); B22F 7/006 (2013.01)

Citation (search report)

• [X] NL 9102117 A 19930201 - STORK SCREENS BV & DATABASE WPI Section PQ Week 9308, Derwent World Patents Index; Class P73, AN 93-064602, XP002104252
• [X] DE 3905871 A1 19900830 - REINZ DICHTUNGS GMBH [DE]

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

DE 29800006 U1 19990506; EP 0927590 A2 19990707; EP 0927590 A3 19990728

DOCDB simple family (application)

DE 29800006 U 19980102; EP 98122772 A 19981201