| 摘要 |
<p>692,435. Buffing tyres. HAWKINSON CO., P. E. 'June 16, 1950 [Nov. 4, 1949], No. 15148/50. Drawings to Specification. Class 60. [Also in Group VIII] In a machine for buffing tyres which is generally similar to that described in Specification 692,434, a knife (see Group VIII) is provided for removing the tread of the tyre prior to the buffing operation.</p> |
