EP 0255626 B1 19900912 - PAIR OF SHAFT-BLADES FOR CUTTING WEB MATERIAL, PARTICULARY CORRUGATED BOARD
Title (en)
PAIR OF SHAFT-BLADES FOR CUTTING WEB MATERIAL, PARTICULARY CORRUGATED BOARD
Publication
Application
Priority
DE 3626748 A 19860807
Abstract (en)
[origin: US4765216A] Knife shaft pair for cutting web-like material, in particular undulated board, wherein the knives contact each other temporarily under bias, if necessary, shortly before termination of the cutting operation, the cutting edge lying at the trailing side of a first knife being formed in a manner known per se so as to be uniformly continuous with an equal spacing from the shaft axis, the other knife having a saw-toothed cutting edge whose teeth extend, commencing from the continuous line of contact with the first knife, away from the shaft of the second knife and in the approximation region of the knives at an acute angle to the connecting plane between the line of contact and the uniform cutting edge such that they lie at the trailing or the leading side of the first side during the cutting operation.
IPC 1-7
IPC 8 full level
B26D 1/00 (2006.01); B26D 1/40 (2006.01); B26D 1/62 (2006.01)
CPC (source: EP US)
B26D 1/0006 (2013.01 - EP US); B26D 1/626 (2013.01 - EP US); B26D 2001/0053 (2013.01 - EP US); B26D 2001/006 (2013.01 - EP US); B26D 2001/0066 (2013.01 - EP US); Y10T 83/4824 (2015.04 - EP US); Y10T 83/4836 (2015.04 - EP US); Y10T 83/9396 (2015.04 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0255626 A1 19880210; EP 0255626 B1 19900912; DE 3626748 A1 19880218; DE 3626748 C2 19890713; DE 3764902 D1 19901018; ES 2017681 B3 19910301; JP H0455834 B2 19920904; JP S63174896 A 19880719; US 4765216 A 19880823
DOCDB simple family (application)
EP 87110187 A 19870715; DE 3626748 A 19860807; DE 3764902 T 19870715; ES 87110187 T 19870715; JP 19722787 A 19870806; US 8077487 A 19870803