| 摘要 |
<p>1534100 Foamed web cutting device GULLFIBER AB 17 Dec 1976 [29 Dec 1975] 52930/76 Heading B5A A device for cutting a foamed plastics web 16 comprises a carriage provided with transverse cutting wires 14 and driven to move with the web during cutting by a cylinder 28. The wires are carried by busbars 44 which are vertically reciprocated to effect cutting by means of a supporting frame 44 driven by cylinders 46. The web is driven over rollers 30 and the frame is clamped to it and moved synchronously with it by the cylinder 28. The wires are lowered to effect a first cutting, the web is released and the carriage moved back to re-grip the web and then re-forwarded, the wires being raised to effect a second cutting.</p> |
