US2633177 Патенты
March 31, 1953 Filed April 24, 1947 J. W. WABER INNER TUBE FOR PNEUMATIC TIRES UNITED STATES PATENT OFFICE 2,633,177 James W. Waber, Chicago, Ill. Application April 24, 1947, Serial No. 743,639 18 Claims. (C. 152-347) One of the most frequent single causes of fail ure of pneumatic tires, and one that has appar ently been neglected throughout the history of the art, is what is commonly known as "rin pinch.' Although this source of trouble has existed from the earliest days of the inner tube, and has been extremely costly from the stand points of personal injury and damage to property, Further d
Притязаний: 12. Знаков текста: 30 570.