MANUFACTURE OF ELASTIC CRAWLER

PURPOSE:To reduce the extent of elongation in an endless elastic crawler as well as to make improvements in its durability by molding a core with an elastic material relatively high in hardness, and then forming a crawler main part with the core as the center by another elastic material relatively l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MURATA MICHIYA, KOISHI AKIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce the extent of elongation in an endless elastic crawler as well as to make improvements in its durability by molding a core with an elastic material relatively high in hardness, and then forming a crawler main part with the core as the center by another elastic material relatively low in the hardness. CONSTITUTION:A core 2 is constituted of an elastic material such as urethane rubber or the like, relatively high in hardness, provided with mud vents 4a at regular intervals in the circumferential direction. A main part 3 is molded, centering on the core 2, with another elastic material of urethane rubber or the like relatively low in the hardness around this core. Each tread part 5 is formed on a crawler, while a mud vent 5a is pierced through between the tread parts 5 and 5, and that an interval between these mud vents 5a themselves, each engaged part 7 being engaged with a sprocket is formed. In addition, each lug 8 is installed projectingly at regular intervals at the side of a plate part.