| 摘要 |
1,041,850. Feeding webs. NATIONAL DISTILLERS & CHEMICAL CORPORATION. Oct. 15, 1963 [Oct. 23, 1962], No. 40702/63. Heading B6B. [Also in Division G5] A travelling web is supported out of contact with a web turning member by a dispersed current of air acting against the web. The turning member comprises a diffuser shaped box 21 connected to an air duct 20b. The box has a substantially semicylindrical head 24 formed of a perforate, rigid but deformable sheet material over which is applied a fabric cover 26, such as muslin and other air permeable porous materials, woven or felted. |
