A method of manufacturing a bumper for impact absorption and a bumper for the impact absorption manufactured from the same are provided. The method includes: filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product, spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores, disposing the porous metal in an injection mold, and injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.
Shock absorption bumper and manufacturing method thereof
2022-06-21
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B22D CASTING OF METALS , Gießen von Metallen / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C |
SHOCK ABSORPTION BUMPER AND MANUFACTURING METHOD THEREOF
European Patent Office | 2020
|SHOCK ABSORPTION BUMPER AND MANUFACTURING METHOD THEREOF
European Patent Office | 2020
|