CH405983A -
Method for making holes with pierced edges in a metal plate, apparatus for carrying out the method and razor plate produced by this method with pierced edges
- Google Patents
Method for making holes with pierced edges in a metal plate, apparatus for carrying out the method and razor plate produced by this method with pierced edges
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Publication number
CH405983A
CH405983ACH941962ACH941962ACH405983ACH 405983 ACH405983 ACH 405983ACH 941962 ACH941962 ACH 941962ACH 941962 ACH941962 ACH 941962ACH 405983 ACH405983 ACH 405983A
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Publication date
Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH405983ApublicationCriticalpatent/CH405983A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
B21D22/02—Stamping using rigid devices or tools
B21D22/04—Stamping using rigid devices or tools for dimpling
B—PERFORMING OPERATIONS; TRANSPORTING
B26—HAND CUTTING TOOLS; CUTTING; SEVERING
B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
B26B19/384—Dry-shaver foils; Manufacture thereof
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Manufacturing & Machinery
(AREA)
Life Sciences & Earth Sciences
(AREA)
Forests & Forestry
(AREA)
Punching Or Piercing
(AREA)
Shaping Metal By Deep-Drawing, Or The Like
(AREA)
Apparatuses And Processes For Manufacturing Resistors
(AREA)
Straightening Metal Sheet-Like Bodies
(AREA)
CH941962A1961-08-101962-08-07
Method for making holes with pierced edges in a metal plate, apparatus for carrying out the method and razor plate produced by this method with pierced edges
CH405983A
(en)
Method for making holes with pierced edges in a metal plate, apparatus for carrying out the method and razor plate produced by this method with pierced edges
Method for determining combustion particles, in particular smoke particles, in a transport line containing a transport medium and a device for carrying out the method
Method for making holes with pierced edges in a metal plate, apparatus for carrying out the method and razor plate produced by this method with pierced edges
Method for locating and displaying one or more carbon electrodes that are too low or that are overloaded in a reduction cell; Device for performing the method and applying the method