CUSHIONING MATERIAL FOR PRESS MOLDING, METHOD FOR MANUFACTURING THEREOF AND METHOD FOR PRESS MOLDING USING THEREOF

A cushioning material for press molding, a method for manufacturing thereof and a method for press molding using the same are provided to perform press-molding by transferring press pressure and heat on a molded product evenly without generation of void. A cushioning material(10) for press molding i...

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Bibliographische Detailangaben
Hauptverfasser:	SAWADA KAZUYUKI, NISHIMOTO NAOTO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A cushioning material for press molding, a method for manufacturing thereof and a method for press molding using the same are provided to perform press-molding by transferring press pressure and heat on a molded product evenly without generation of void. A cushioning material(10) for press molding includes one or two layers or more pelt layer(14) and one or two layers or more polymer layer(12a) including ultrahigh molecular weight polyolefin. The pelt layer and the polymer layer are laminated by turns. Thickness of the polymer layer is 50~500 mum. The thickness of the polymer layer to mold a heat press is 500~1000 mum.