Retainer for rolling bearing, and rolling bearing
A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition,...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
10.08.2010
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Online Access | Get full text |
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Abstract | A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition, which holds a rolling element of a rolling bearing. The molding is composed of a resinous porous article having an interconnected hole porosity not less than 30% and a lubricating oil which impregnates the resinous porous article. The resinous porous article has an interconnected hole are formed by molding a resin containing a pore-forming substance having a melting point higher than that of the resin and can be used as a food material, and by extracting said pore-forming substance from the molding with a solvent which dissolves the pore-forming substance and does not dissolve the resin. |
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AbstractList | A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition, which holds a rolling element of a rolling bearing. The molding is composed of a resinous porous article having an interconnected hole porosity not less than 30% and a lubricating oil which impregnates the resinous porous article. The resinous porous article has an interconnected hole are formed by molding a resin containing a pore-forming substance having a melting point higher than that of the resin and can be used as a food material, and by extracting said pore-forming substance from the molding with a solvent which dissolves the pore-forming substance and does not dissolve the resin. |
Author | Tsutsui, Hideyuki Hirata, Masakazu |
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References | (2002-098152) 20020400 Glenn (3500525) 19700300 Kinno et al. (2003/0099416) 20030500 (08-326760) 19961200 International Search Report, Aug. 30, 2005. Matsui et al. (6164831) 20001200 (169661) 19980600 (11-335687) 19991200 (08-021450) 19960100 Yabe (2003/0138172) 20030700 Christy (4073552) 19780200 (2 296 536) 19960700 (2001-131569) 20010500 Scott (2695425) 19541100 (2002-054637) 20020200 (01-093623) 19890400 (10-036875) 19980200 Supplementary European Search Report, Jun. 13, 2007. (2000-110838) 20000400 Ohira (6113278) 20000900 (11-166541) 19990600 (2342128) 20000400 (61-006429) 20000100 (08-177866) 19960700 |
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