| 摘要 |
1,246,928. Laminated belting. PNEUMATIQUES, CAOUTCHOUC MANUFACTURE ET PLASTIQUES KLEBERCOLOMBES. 4 July, 1969 [8 July, 1968], No. 33952/69. Heading B5N. [Also in Division B8] An endless conveyer of V cross-section is reinforced by a series of longitudinal wires 1 arranged in two groups spaced one on either side of the central zone of flexure of the belt, and two layers of transverse wires 2a, 2b arranged one on either side of the longitudinal wires and in closer disposition to each other in the said central zone. To facilitate the formation of the V, the underside of the belt in the said central zone may have one or more longitudinal grooves 3, 4, 5 and may additionally have elastic material (7), (Fig. 4 (not shown) in the groove or grooves 3, 4, 5 which material is under compression when the belt is flat. Alternatively, a longitudinal layer of elastic material (9), Fig. 5 (not shown) may be attached to the upper surface of the belt in the said central zone, which material is under tension when the belt is flat. |
