| 摘要 |
508,277. Making oil-retaining bearings. SATTLER, F. Nov. 24, 1937, No. 32300. [Class 83 (ii)] In a method of forming an oil-retaining body for a bearing or bushing, the body is compressed from metallic gauze or netting, the metal remaining in a cold state throughout the process. The metallic gauze or netting may be pretreated by anodizing, galvanizing or other surface coating before compression and may be of two or more layers of gauze &c of different metals, |
