| 摘要 |
625,604. Oil seals. ANGUS & CO., Ltd., G., and PROCTER, A. May 6, 1947, No. 12188. [Class 122(v)] In a one-piece rubber oil seal an axial holding flange c is reinforced by a cured cylinder d composed of a paper or other fabric impregnated with a thermosetting synthetic resin; in addition, a radial portion b connecting the said holding flange and a sealing flange a may be reinforced by a disc f of the same material as cylinder d. Specifications 544,732, 544,881, 544,904 and 572,055 are referred to.
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