公开(公告)号：US3473449A

公开(公告)日：1969-10-21

申请号：US3473449D

申请日：1967-08-14

Applicant: ST REGIS PAPER CO

Inventor： THOUSAND JOHN WILLIAM JR

IPC: B31B50/56 ,  B31B21/26

CPC classification number: B31B50/00 ,  B31B50/56 ,  Y10S493/917 ,  Y10S493/919

公开(公告)号：US3611855A

公开(公告)日：1971-10-12

申请号：US3611855D

申请日：1970-01-22

Applicant: ST REGIS PAPER CO

Inventor： THOUSAND JOHN WILLIAM JR

IPC: B26F1/38 ,  B31B19/16 ,  B23D25/08

CPC classification number: B26F1/384 ,  B31B70/16 ,  Y10S83/911 ,  Y10T83/207 ,  Y10T83/2185 ,  Y10T83/219 ,  Y10T83/4824 ,  Y10T83/4847 ,  Y10T83/9309

Abstract: Cutting apparatus for cutting a blank from a web of sheet material characterized by a knife roll having a knife engraved on the surface thereof and a mating fixed knife cutting bar having a concave portion where the knife engages same and having a longitudinal configuration so that the web is cut in a shearlike action.