| 摘要 |
873,559. Posts. USINES A TUBES DE LA MEUSE S. A., DES. Sept. 22, 1959, No. 32255/59. Class 20(1) A flexible traffic post comprises a steel tube A containing a spring C connected to its head by a stirrup B and a screw F and hooked to a ring K in a base D set in a block of concrete H. The base D comprises a disc from which arises a truncated annulus which fits freely within the tube A. The screw F is revolved within a socket E on the stirrup B to pre-tension the spring C. The tube may be covered in rubber or plastics. |
