EXTRUDER

PROBLEM TO BE SOLVED: To provide an extruder for extruding a rubber material stably for a long period.SOLUTION: An extruder 4 includes: a cylinder 16 to which a rubber material is supplied; a screw 18 for extruding the rubber material from a discharge port 16a of the cylinder 16; a strainer 22 posit...

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Bibliographische Detailangaben
1. Verfasser:	SUGANO TSUBASA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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:	PROBLEM TO BE SOLVED: To provide an extruder for extruding a rubber material stably for a long period.SOLUTION: An extruder 4 includes: a cylinder 16 to which a rubber material is supplied; a screw 18 for extruding the rubber material from a discharge port 16a of the cylinder 16; a strainer 22 positioned downstream of the discharge port 16a; and a cooling device for cooling the strainer 22. A plurality of through holes through which the rubber material is passed are formed in the strainer 22. Preferably, the strainer 22 includes: a strainer body having through holes formed therein; and an edge portion surrounding the strainer body. The cooling device includes a cooling portion. The cooling portion surrounds the strainer body along the edge portion.SELECTED DRAWING: Figure 2 【課題】長期に安定的にゴム材料を押し出す押出機の提供。【解決手段】押出機４は、ゴム材料が供給されるシリンダ１６と、ゴム材料をシリンダ１６の吐出口１６から押し出すスクリュー１８と、吐出口１６ａの下流に位置するストレーナ２２と、ストレーナ２２を冷却する冷却装置とを備えている。ストレーナ２２にゴム材料が通される多数の貫通孔が形成されている。好ましくは、ストレーナ２２が、貫通孔が形成されたストレーナ本体と、このストレーナ本体を囲む縁部とを備えている。上記冷却装置は、冷却部を備えている。この冷却部は、縁部に沿ってストレーナ本体を囲んでいる。【選択図】図２