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
Authority: ZA; South Africa
Prior art keywords: perforation; films; openings; fine; slot
Prior art date: 1970-10-19

Application number

ZA716982A

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.)

1970-10-19

Filing date

1971-10-19

Publication date

1972-07-26

1970-10-19 Priority claimed from DE702051194A external-priority patent/DE2051194C3/en

1971-10-19 Application filed by Hein Lehmann Ag filed Critical Hein Lehmann Ag

1972-07-26 Publication of ZA716982B publication Critical patent/ZA716982B/en

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)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Optics & Photonics (AREA)
Forests & Forestry (AREA)
Life Sciences & Earth Sciences (AREA)
Toxicology (AREA)
General Health & Medical Sciences (AREA)
Health & Medical Sciences (AREA)
Plasma & Fusion (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 (en)	1970-10-19	1970-10-19	Method and device for perforating foils and thin metal sheets, in particular for fine, slot-shaped openings

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2449265A1 (en) *	1974-10-16	1976-04-22	Steigerwald Strahltech	DEVICE FOR THE PRODUCTION OF FINELY PERFORATED FILM CUTTINGS BY USING ELECTRON BEAMS, IN PARTICULAR SHOE UPPER PARTS
SE444640B (en) *	1980-08-28	1986-04-28	Bergentz Sven Erik	IN ANIMAL OR HUMAN IMPLANTABLE KERLPROTES AND SET FOR ITS MANUFACTURING
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 (en) *	1985-12-03	1991-09-13	Thomson Brandt Armements	METHOD AND DEVICE FOR MACHINING SLOTS AND SHEET GENERATOR FOR A MILITARY LOAD
DE19621473C1 (en) *	1996-05-29	1997-04-24	Braunschweigische Masch Bau	Centrifuge drum for spinning sugar syrup solutions
US11454480B1 (en)	2019-06-12	2022-09-27	Corvid Technologies LLC	Methods for forming munitions casings and casings and munitions formed thereby

1971
- 1971-10-06 CA CA124,522A patent/CA961116A/en not_active Expired
- 1971-10-08 NL NL7113840A patent/NL7113840A/xx unknown
- 1971-10-08 AT AT869971A patent/AT319701B/en not_active IP Right Cessation
- 1971-10-13 SE SE7112953A patent/SE384808B/en unknown
- 1971-10-13 GB GB4757071A patent/GB1367918A/en not_active Expired
- 1971-10-13 CH CH1492971A patent/CH535106A/en not_active IP Right Cessation
- 1971-10-14 IT IT53485/71A patent/IT939579B/en active
- 1971-10-15 BE BE773999A patent/BE773999A/en unknown
- 1971-10-18 ES ES396093A patent/ES396093A1/en not_active Expired
- 1971-10-19 ZA ZA716982A patent/ZA716982B/en unknown
- 1971-10-19 BR BR6964/71A patent/BR7106964D0/en unknown
- 1971-10-19 FR FR7137435A patent/FR2110026A5/fr not_active Expired
- 1971-11-19 AU AU35926/71A patent/AU459891B2/en not_active Expired
1974
- 1974-01-12 ES ES422252A patent/ES422252A1/en not_active Expired

Also Published As

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

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