专利名称：Gear pump device for rubber extrusion发明人：鬼松 博幸,西岡 望,井原 洋,石原 昇,中尾 直保申请号：JP2015217795申请日：20151105公开号：JP6616663B2公开日：20191204
摘要：PROBLEM TO BE SOLVED: To provide a rubber extruding gear pump device, inwhich the rubber burning at the bearing shank of a gear is prevented to elongate amaintenance period.SOLUTION: A gear pump device comprises a bush ring 5 inserted intoa gear storage hole 3 for storing a pair of mutually meshing gears 2, thereby to hinge thesupport parts 7 of the gears 2. The bush ring 5 has a bearing 15 and seal means 16housed therein. The seal means 16 includes a seal ring 22 of a U-shaped section jointingouter ends of a first lip part 22i contacting the outer circumference of the support partsand a second lip part 22o arranged on the radially outer side of the first lip part 22i with aside wall part 22m.SELECTED DRAWING: Figure 4
申请人：住友ゴム工業株式会社,中田エンヂニアリング株式会社
地址：兵庫県神戸市中央区脇浜町３丁目６番９号,兵庫県神戸市西区神出町南６１９番地
国籍：JP,JP
代理人：住友 慎太郎,浦 重剛,苗村 潤,石原 幸信
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