SE8400345L - Anordning for induktionssvetsning - Google Patents

Anordning for induktionssvetsning

Info

Publication number
SE8400345L
SE8400345L SE8400345A SE8400345A SE8400345L SE 8400345 L SE8400345 L SE 8400345L SE 8400345 A SE8400345 A SE 8400345A SE 8400345 A SE8400345 A SE 8400345A SE 8400345 L SE8400345 L SE 8400345L
Authority
SE
Sweden
Prior art keywords
welding
magnetic field
electrically
electrically conducting
magnetic
Prior art date
Application number
SE8400345A
Other languages
English (en)
Other versions
SE441074B (sv
SE8400345D0 (sv
Inventor
Z Pollak
B Sverd
Original Assignee
Akerlund & Rausing Ab
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 Akerlund & Rausing Ab filed Critical Akerlund & Rausing Ab
Priority to SE8400345A priority Critical patent/SE441074B/sv
Publication of SE8400345D0 publication Critical patent/SE8400345D0/sv
Priority to US06/685,485 priority patent/US4571472A/en
Priority to DE8585850013T priority patent/DE3568954D1/de
Priority to EP19850850013 priority patent/EP0150165B1/en
Priority to AT85850013T priority patent/ATE41619T1/de
Priority to JP60009312A priority patent/JPS60158991A/ja
Publication of SE8400345L publication Critical patent/SE8400345L/sv
Publication of SE441074B publication Critical patent/SE441074B/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B23K13/00—Welding by high-frequency current heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3608—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising single particles, e.g. fillers or discontinuous fibre-reinforcements
    • B29C65/3612—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising single particles, e.g. fillers or discontinuous fibre-reinforcements comprising fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3684—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being non-metallic
    • B29C65/3696—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being non-metallic with a coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0008—Magnetic or paramagnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Arc Welding Control (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Arc Welding In General (AREA)
  • Surgical Instruments (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • General Induction Heating (AREA)
SE8400345A 1984-01-24 1984-01-24 Anordning for induktionssvetsning SE441074B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8400345A SE441074B (sv) 1984-01-24 1984-01-24 Anordning for induktionssvetsning
US06/685,485 US4571472A (en) 1984-01-24 1984-12-24 Device for induction welding
DE8585850013T DE3568954D1 (en) 1984-01-24 1985-01-11 A device for induction welding
EP19850850013 EP0150165B1 (en) 1984-01-24 1985-01-11 A device for induction welding
AT85850013T ATE41619T1 (de) 1984-01-24 1985-01-11 Apparat fuer das induktionsschweissen.
JP60009312A JPS60158991A (ja) 1984-01-24 1985-01-23 誘導溶接装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8400345A SE441074B (sv) 1984-01-24 1984-01-24 Anordning for induktionssvetsning

Publications (3)

Publication Number Publication Date
SE8400345D0 SE8400345D0 (sv) 1984-01-24
SE8400345L true SE8400345L (sv) 1985-07-25
SE441074B SE441074B (sv) 1985-09-09

Family

ID=20354427

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8400345A SE441074B (sv) 1984-01-24 1984-01-24 Anordning for induktionssvetsning

Country Status (6)

Country Link
US (1) US4571472A (sv)
EP (1) EP0150165B1 (sv)
JP (1) JPS60158991A (sv)
AT (1) ATE41619T1 (sv)
DE (1) DE3568954D1 (sv)
SE (1) SE441074B (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE33467E (en) 1985-01-30 1990-12-04 International Paper Company Induction sealing of paperboard
US4707213A (en) * 1985-11-12 1987-11-17 Continental Can Company, Inc. Induction heating unit for heat bonding a lid having a metallic layer to a container
US4825625A (en) * 1986-12-17 1989-05-02 International Paper Company Sealing method and apparatus for high capacity aseptic form, fill, and seal machines
US4749833A (en) * 1987-08-07 1988-06-07 Tocco, Inc. Induction heating for adhesive bonding
US4841706A (en) * 1987-11-18 1989-06-27 Carlisle Corporation Non-penetrating fastener for affixing elastomeric sheeting to a roof
US5013878A (en) * 1988-12-20 1991-05-07 International Paper Company Induction heat sealing lap-seamed containers to non-metallic closures
US5053593A (en) * 1989-01-23 1991-10-01 Nikko Corporation Ltd. Low-frequency electromagnetic induction heater
US4994637A (en) * 1989-10-30 1991-02-19 Fmc Corporation Induction coil with lapped joint
US5200587A (en) * 1990-10-22 1993-04-06 Fmc Corporation Induction heating coil with conical base
US5087804A (en) * 1990-12-28 1992-02-11 Metcal, Inc. Self-regulating heater with integral induction coil and method of manufacture thereof
US5503192A (en) * 1993-06-08 1996-04-02 Nibco Inc. Inductive welding of thermoplastic pipe
GB2328893B (en) * 1997-09-09 2002-05-01 Chiaphua Ind Ltd Welding
US7378624B2 (en) * 2005-02-11 2008-05-27 Denso International America, Inc. Method of welding a component inside a hollow vessel
US7886802B2 (en) * 2006-04-14 2011-02-15 Maxtor Corporation Thermode sealing with magnetic field compensation
BR112015006917A2 (pt) * 2012-09-28 2019-12-10 Dow Global Technologies Llc composição, conector e processo para melhorar a ligação entre dois ou mais meios para transportar fluidos
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859680A (en) * 1928-09-19 1932-05-24 Ajax Metal Company Induction electric furnace
US2090692A (en) * 1934-12-28 1937-08-24 Carborundum Co Control of furnace temperature
US2493950A (en) * 1944-12-01 1950-01-10 Gen Motors Corp High-frequency inductive welding apparatus
GB1037333A (en) * 1964-02-28 1966-07-27 Tube Prod Ltd Improvements relating to tube welding
DE1219142B (de) * 1965-02-16 1966-06-16 Reinhardt Maschb G M B H Kuehlvorrichtung fuer Ferrit-Kerne zum Induktions-Hochfrequenzschweissen
US3462336A (en) * 1965-10-21 1969-08-19 Heller William C Jun Induction heating process
CA916244A (en) * 1969-02-27 1972-12-05 Elphiac Induction heating inductor
US3651299A (en) * 1970-06-22 1972-03-21 Continental Can Co Method for sealing containers using heat activated magnetic sealing compound
US3808074A (en) * 1970-11-06 1974-04-30 United Glass Ltd Induction heat sealing of a container
BE788833A (fr) * 1971-09-17 1973-01-02 Soc De Traitements Electrolytiques Et Electrothermiques Perfectionnements aux presses a braser des pieces comportant des parties incurvees
US3727022A (en) * 1972-07-17 1973-04-10 Procter & Gamble Electromagnetic heating and sealing
SE421164B (sv) * 1979-03-08 1981-11-30 Rigello Pak Ab Induktor for induktionssvetsning samt sett att tillverka densamma

Also Published As

Publication number Publication date
JPS60158991A (ja) 1985-08-20
EP0150165A3 (en) 1987-12-16
SE441074B (sv) 1985-09-09
ATE41619T1 (de) 1989-04-15
JPH0469033B2 (sv) 1992-11-05
SE8400345D0 (sv) 1984-01-24
US4571472A (en) 1986-02-18
EP0150165A2 (en) 1985-07-31
DE3568954D1 (en) 1989-04-27
EP0150165B1 (en) 1989-03-22

Similar Documents

Publication Publication Date Title
SE8400345L (sv) Anordning for induktionssvetsning
DE3382481D1 (de) Gestaltete feld-magnetronelektrode.
DE68928292T2 (de) Elektrische Oberflächenspulenanordnungen
DE3566185D1 (en) Magnetic field generating device for nmr-ct
ES515005A0 (es) "una disposicion de circuito de distribucion de energia electrica".
ATE99807T1 (de) Ueberwachung einer batterie.
IT1212807B (it) Generatore elettronico di energiadi saldatura, con comportamento statico e dinamico impostabile, per la saldatura ad arco elettrico.
DE3886158T2 (de) Elektrisch leitfähige Eisenoxid-Partikel.
CA2318115A1 (en) Material activating method and device for carrying out the same
DE3678245D1 (de) Schleifvorrichtung mit verwendung von magnetischem schleifpulver.
DK410885D0 (da) Elektromagnetisk vibrator til frekvenser i det hoerbare omraade
DE3473680D1 (de) Non-magnetic substrate material
ES549947A0 (es) Perfeccionamientos en los sistemas de control de los apara- tos de soldadura por resistencia electrica
MX153676A (es) Mejoras en conjunto de conexion electrica
MX150409A (es) Mejoras en un sistema de suministro de energia electrica
DK0486543T3 (da) Fremgangsmåde til fremstilling af en elektrosuspension af mikropartikler
SE8402659D0 (sv) Elektrisk maskin
DE3576200D1 (de) Vorrichtung zur nachweisung eines eingeschlossenen elektrisch leitenden materials und verwendungen dieser vorrichtung.
SU1628339A1 (ru) Индуктор для магнитно-импульсной обработки заготовок из материалов с низкой электропроводностью
SE8903423L (sv) Elektrisk anordning
KR890023301U (ko) 전기 고주파 마그네틱 플럭스에 의한 난방장치
JPS55163475A (en) Antimagnetic plate for electronic clock
ATE31994T1 (de) Segmentierte spulen fuer torusfoermige magnetfeldspulen und anwendungsmethode.
JPS57123713A (en) Lumped constant type circulator and isolator
ES536061A0 (es) Perfeccionamientos en una inductancia electrica

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8400345-8

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8400345-8

Format of ref document f/p: F