METHOD FOR MANUFACTURING WEATHER STRIP

A method for manufacturing weather strips is provided to prevent burr and steps from being formed in fusing weather strips mutually by generating negative pressure and constant pressure in a weather strip material and a mold. A method for manufacturing weather strip includes the steps of: generating...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMIZU MOTOHIRO, TAMURA TATSUYA, TAKADA RYOKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING 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
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Beschreibung
Zusammenfassung:	A method for manufacturing weather strips is provided to prevent burr and steps from being formed in fusing weather strips mutually by generating negative pressure and constant pressure in a weather strip material and a mold. A method for manufacturing weather strip includes the steps of: generating a negative pressure between the outer surface of weather strip material(13) and surfaces(38,39) of a mold(27) to adhere the outer surface of the weather strip material to the surfaces of the mold so that the outer surface of weather strip material is molded into the same shape of the surface of the mold; generating a constant pressure in a hollow seal(16) to adheres the outer surface of the hollow seal to the surfaces of the mold so that the outer surface of the hollow seal molded into the same shape as the surfaces of the mold; and fusing the ends of the weather strips to each other.