CH596965A5CH830576ACH830576ACH596965A5CH 596965 A5CH596965 A5CH 596965A5CH 830576 ACH830576 ACH 830576ACH 830576 ACH830576 ACH 830576ACH 596965 A5CH596965 A5CH 596965A5
Authority
CH
Switzerland
Application number
CH830576A
Inventor
Joerg Kopp
Original Assignee
Sig Schweiz Industrieges
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sig Schweiz IndustriegesfiledCriticalSig Schweiz Industrieges
Priority to CH830576ApriorityCriticalpatent/CH596965A5/xx
Priority to DE19772718388prioritypatent/DE2718388A1/de
Priority to GB2042777Aprioritypatent/GB1526895A/en
Publication of CH596965A5publicationCriticalpatent/CH596965A5/xx
B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
Landscapes
Life Sciences & Earth Sciences
(AREA)
Forests & Forestry
(AREA)
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Preliminary Treatment Of Fibers
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)