ZA716982B - Method and apparatus for perforation of films and thin sheets in particular for fine,slot-like openings - Google Patents

Method and apparatus for perforation of films and thin sheets in particular for fine,slot-like openings

Info

Publication number
ZA716982B
ZA716982B ZA716982A ZA716982A ZA716982B ZA 716982 B ZA716982 B ZA 716982B ZA 716982 A ZA716982 A ZA 716982A ZA 716982 A ZA716982 A ZA 716982A ZA 716982 B ZA716982 B ZA 716982B
Authority
ZA
South Africa
Prior art keywords
perforation
films
openings
fine
slot
Prior art date
Application number
ZA716982A
Other languages
English (en)
Inventor
H Schimdt
F Wissmann
Original Assignee
Hein Lehmann Ag
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
Priority claimed from DE702051194A external-priority patent/DE2051194C3/de
Application filed by Hein Lehmann Ag filed Critical Hein Lehmann Ag
Publication of ZA716982B publication Critical patent/ZA716982B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B26F1/31—Perforating by non-mechanical means, e.g. by fluid jet by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • B04B7/12—Inserts, e.g. armouring plates
    • B04B7/16—Sieves or filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/08—Removing material, e.g. by cutting, by hole drilling
    • B23K15/085—Boring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Laser Beam Processing (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
ZA716982A 1970-10-19 1971-10-19 Method and apparatus for perforation of films and thin sheets in particular for fine,slot-like openings ZA716982B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702051194A DE2051194C3 (de) 1970-10-19 1970-10-19 Verfahren und Vorrichtung zum Perforieren von Folien und dünnen Blechen, insbesondere für feine, schlitzförmige öffnungen

Publications (1)

Publication Number Publication Date
ZA716982B true ZA716982B (en) 1972-07-26

Family

ID=5785524

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716982A ZA716982B (en) 1970-10-19 1971-10-19 Method and apparatus for perforation of films and thin sheets in particular for fine,slot-like openings

Country Status (13)

Country Link
AT (1) AT319701B (xx)
AU (1) AU459891B2 (xx)
BE (1) BE773999A (xx)
BR (1) BR7106964D0 (xx)
CA (1) CA961116A (xx)
CH (1) CH535106A (xx)
ES (2) ES396093A1 (xx)
FR (1) FR2110026A5 (xx)
GB (1) GB1367918A (xx)
IT (1) IT939579B (xx)
NL (1) NL7113840A (xx)
SE (1) SE384808B (xx)
ZA (1) ZA716982B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449265A1 (de) * 1974-10-16 1976-04-22 Steigerwald Strahltech Vorrichtung zum herstellen von mittels elektronenstrahlen fein perforierten folien-zuschnitten, insbesondere schuh-oberteilen
SE444640B (sv) * 1980-08-28 1986-04-28 Bergentz Sven Erik I djur eller menniska implanterbar kerlprotes samt sett for dess framstellning
US4408604A (en) * 1981-04-06 1983-10-11 Teletronics Pty, Limited Porous pacemaker electrode tip
GB2150038A (en) * 1983-11-15 1985-06-26 Northern Ind Systems Engineeri Filtration apparatus
FR2590823B1 (fr) * 1985-12-03 1991-09-13 Thomson Brandt Armements Procede et dispositif d'usinage de fentes et generateur d'eclats pour une charge militaire
DE19621473C1 (de) * 1996-05-29 1997-04-24 Braunschweigische Masch Bau Schleudertrommel einer Zuckerzentrifuge
US11454480B1 (en) 2019-06-12 2022-09-27 Corvid Technologies LLC Methods for forming munitions casings and casings and munitions formed thereby

Also Published As

Publication number Publication date
FR2110026A5 (xx) 1972-05-26
ES422252A1 (es) 1976-04-16
ES396093A1 (es) 1975-02-16
NL7113840A (xx) 1972-04-21
IT939579B (it) 1973-02-10
AU459891B2 (en) 1975-04-10
AU3592671A (en) 1973-05-24
BR7106964D0 (pt) 1973-05-17
SE384808B (sv) 1976-05-24
AT319701B (de) 1975-01-10
BE773999A (fr) 1972-01-31
CA961116A (en) 1975-01-14
CH535106A (de) 1973-03-31
GB1367918A (en) 1974-09-25

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