| 摘要 |
1502987 Making elastomeric bushings GENERAL TIRE & RUBBER CO 26 March 1975 [13 May 1974] 12750/75 Heading F2S In a resilient bushing of the type comprising an annular elastomeric insert 15 under radial compression between inner and outer rigid members 13, 11, at least one of the surfaces 14, 12 in contact with the insert has been sandblasted and then phosphate coated. Details of the roughness height rating of the treated surface are given. The weight of phosphate coating is preferably at least 2000 milligrams per square foot. |
