MANUFACTURING METHOD OF BASE ISOLATION PLUG FOR BASE ISOLATION DEVICE AND ITS MANUFACTURING DEVICE

PROBLEM TO BE SOLVED: To provide a base isolation plug which can improve the attenuation performance and displacement following performance of a base isolation device without using lead in a material, its manufacturing method, and a manufacturing device of the base isolation plug which can execute t...

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Bibliographische Detailangaben
Hauptverfasser:	KATO HIDEAKI, HAMAZAKI HIRONORI, SUZUKI SHIGENOBU, ARAI AKIYUKI
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 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:	PROBLEM TO BE SOLVED: To provide a base isolation plug which can improve the attenuation performance and displacement following performance of a base isolation device without using lead in a material, its manufacturing method, and a manufacturing device of the base isolation plug which can execute the manufacturing method.SOLUTION: In the manufacturing method of the base isolation plug 9 which pressure-molds the powdery material 2 by sandwiching it by using a pair of stampers 5, when performing the pressure-molding at least twice by using a protruded stamper 6 having a V-shaped pressurization face in which the center 12 of the stamper is protruded in the pressurization direction, and a recessed stamper 7 having a V-shaped pressurization face in which the center 12 of the stamper is recessed in a direction opposite to the pressurization direction when vertically and cross-sectionally viewing the base isolation plug in the axial direction X of the stamper 5, the pressure-molding is performed once again after rotating the stampers 6, 7 around the axial center of the base isolation plug after pressure-molding the base isolation plug by using the stampers 6, 7. The base isolation plug 6 is manufactured by the manufacturing method. Furthermore, the manufacturing device comprises a metal mold 3 and the stamper 5 by which the manufacturing method can be executed.