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公开(公告)号:EP4382224A1
公开(公告)日:2024-06-12
申请号:EP23215177.9
申请日:2023-12-08
IPC分类号: B21D53/80 , E04B1/70 , B21D11/00 , B21D19/00 , B21D28/10 , F24F13/08 , B21D47/00 , B21D35/00 , B21D53/74
CPC分类号: B21D53/74 , B21D53/80 , E04B1/7076 , B21D28/10 , B21D19/00 , B21D11/00 , F24F13/082 , B21D47/005 , B21D35/00
摘要: The present invention relates to a method for manufacturing frames for ventilation grilles and the ventilation grilles themselves, a frame and ventilation grille thus manufactured, and the use of the frames for manufacturing ventilation grilles.