| 摘要 |
783,024. Cutting webs. BAHLSEN, W. Aug. 22, 1955 [Sept. 27, 1954], No. 24064/55. Class 31 (1). [Also in Group XVII] In a box-making machine (see Group XVII) in which mandrels thrust a paper web 19 into pockets 4 in a wheel 3, the web is cut by means of vertically reciprocating knives 20 between each pair of pockets. The knives are mounted in the wheel and operated by a cam 24 and followers 23. |
