MANUFACTURE OF FOAMED POLYURETHANE RESIN BUFFERING BODY

PURPOSE:To provide a manufacturing method, by which the density uniformity of a polyurethane resin buffering body can be improved. CONSTITUTION:At the manufacturing of foamed polyurethane resin buffering body 2a by pouring foamed polyurethane resin stock 2 in a forming mold 1 in order to reaction-ha...

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Bibliographische Detailangaben
Hauptverfasser:	KAGITANI TADASHI, TAKAHASHI SABURO, KANZAWA YASUHIRO, YAMAMOTO KIYOAKI, KAMINO YOSHIKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a manufacturing method, by which the density uniformity of a polyurethane resin buffering body can be improved. CONSTITUTION:At the manufacturing of foamed polyurethane resin buffering body 2a by pouring foamed polyurethane resin stock 2 in a forming mold 1 in order to reaction-harden the stock 2 under the predetermined temperature condition, the stock 2 is poured in the mold 1, the temperature of which is controlled to be higher than the temperature of the stock at the pouring into the mold 1 by 0 to +30 deg.C, for the reaction-hardening.