VEHICLE DOOR GRIP AND MANUFACTURE THEREOF

• Main Authors: SAITO ETSUJI, ARAKI KAZUO
• Format: Patent
• Language: English
• Published: 10.02.1998
• Edition: 6
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; PERFORMING OPERATIONS; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES; SEATS SPECIALLY ADAPTED FOR VEHICLES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL; WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To prevent a skin from being dislocated by joining the skin material to a core material using polyolefin as a material for the core material and using olefinic thermoplastic elastomer as the skin material. SOLUTION: A core material 2 is formed previously and is set in the cavity 4a of a metal mold 4 for injection molding. When molten resin is injected in the cavity 4a from a nozzle 5 by prescribed injection pressure to form a skin 3, the surface layer part of the core material 2 is melted by the heat of the molted resin. At this time, polyolefin is adopted as a material which constitutes the core material 2, and olefinic thermoplastic elastomer is adopted as a material which constitutes the skin 3, therefore, both the molten surface layer part of the core material 2 and the molten resin constituting the skin 3 is fused integrally. When the respective resins are solidified, the core material 2 and the skin 3 are joined together exactly. Consequently, it is possible to prevent the skin from being dislocated.