NL7806595A - Inrichting voor inductief lassen. - Google Patents

Inrichting voor inductief lassen.

Info

Publication number
NL7806595A
NL7806595A NL7806595A NL7806595A NL7806595A NL 7806595 A NL7806595 A NL 7806595A NL 7806595 A NL7806595 A NL 7806595A NL 7806595 A NL7806595 A NL 7806595A NL 7806595 A NL7806595 A NL 7806595A
Authority
NL
Netherlands
Prior art keywords
inductive welding
inductive
welding
Prior art date
Application number
NL7806595A
Other languages
English (en)
Dutch (nl)
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
Publication of NL7806595A publication Critical patent/NL7806595A/xx

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
    • 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
    • B29C65/3644—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 ribbon, band or strip
    • 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
    • B29C65/3668—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 means for supplying heat to said heated elements which remain in the join, e.g. special induction coils
    • 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/227—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by induction welding
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/362—Coil arrangements with flat coil conductors
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
  • General Induction Heating (AREA)
  • Closing Of Containers (AREA)
NL7806595A 1977-06-20 1978-06-19 Inrichting voor inductief lassen. NL7806595A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7707091A SE410788B (sv) 1977-06-20 1977-06-20 Anordning for induktionssvetsning

Publications (1)

Publication Number Publication Date
NL7806595A true NL7806595A (nl) 1978-12-22

Family

ID=20331629

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7806595A NL7806595A (nl) 1977-06-20 1978-06-19 Inrichting voor inductief lassen.
NL9102037A NL9102037A (nl) 1977-06-20 1991-12-06 Inrichting en werkwijze voor het verbinden van twee delen door middel van inductielassen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL9102037A NL9102037A (nl) 1977-06-20 1991-12-06 Inrichting en werkwijze voor het verbinden van twee delen door middel van inductielassen.

Country Status (12)

Country Link
US (1) US4230923A (de)
JP (1) JPS548134A (de)
AU (1) AU515847B2 (de)
BE (1) BE868107A (de)
CA (1) CA1113549A (de)
DE (1) DE2825953A1 (de)
DK (1) DK146241C (de)
EG (1) EG13337A (de)
FR (1) FR2395129B1 (de)
GB (1) GB1564895A (de)
NL (2) NL7806595A (de)
SE (1) SE410788B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032118C2 (de) * 1980-08-26 1983-03-17 Aisa Automation Industrielle S.A., Vouvry Matrizenschweißspule
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
US4757175A (en) * 1987-01-02 1988-07-12 Continental Can Company, Inc. Induction heating coil
SE464019B (sv) * 1989-03-13 1991-02-25 Tetra Pak Holdings & Finance Anordning foer kontinuerlig induktionssvetsning av foerpackningsmaterial
SE507308C2 (sv) * 1995-12-20 1998-05-11 Tetra Laval Holdings & Finance Sätt och anordning för att åstadkomma en skarvförsegling av polymerbelagd aluminium
SE505571C2 (sv) * 1995-12-20 1997-09-15 Tetra Laval Holdings & Finance Sätt och anordning vid längdskarvsförsegling med induktionsvärme av ett förpackningsämne av polymerbelagd metallplåt
SE506190C2 (sv) * 1996-03-20 1997-11-17 Tetra Laval Holdings & Finance Anordning och metod för induktionsförsegling av termoplastbelagt förpackningsmaterial
GB2322825A (en) * 1997-03-03 1998-09-09 Merck & Co Inc Welding process for sealing containers
US9821527B2 (en) 2011-07-11 2017-11-21 A&R Carton Lund AB Apparatus and method for manufacturing of containers
PL2731892T3 (pl) * 2011-07-11 2017-06-30 Å&R Carton Lund Ab Urządzenie i sposób do szczelnego zamykania pojemnika na podłożu kartonowym
US8912110B2 (en) 2012-03-29 2014-12-16 Uop Llc Catalyst for conversion of hydrocarbons
US9266091B2 (en) 2012-03-29 2016-02-23 Uop Llc Reforming catalysts with tuned acidity for maximum aromatics yield
GB2504286B (en) * 2012-07-24 2014-09-24 Bapco Closures Res Ltd Collar for the Alignment of large mouth containers for induction welding
CN106347770B (zh) * 2016-11-28 2018-09-11 山东福瑞达生物工程有限公司 灌装封尾机的软管加热外壁冷却套及其制作材料和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402508A (en) * 1943-05-22 1946-06-18 Budd Wheel Co Induction heating apparatus
US2471471A (en) * 1945-03-09 1949-05-31 Ohio Crankshaft Co Apparatus for simultaneously inductively heating a plurality of articles
US2439517A (en) * 1945-11-10 1948-04-13 Western Electric Co Induction heating apparatus
US2572646A (en) * 1947-05-23 1951-10-23 Bell Telephone Labor Inc Apparatus for high-frequency heating and sealing fixtures
GB1061956A (en) * 1964-11-20 1967-03-15 British Titan Products Induction heated plasma generator
DE1454995A1 (de) * 1965-07-12 1969-09-18 Bahlsen Werner Verfahren und Vorrichtung zum Verbinden von Oberflaechen thermoplastischer Kunststoffe
US3536568A (en) * 1966-12-08 1970-10-27 Willcox & Gibbs Inc Sealing and/or severing device for plastic films
US3387653A (en) * 1967-01-26 1968-06-11 Wakefield Eng Inc Heat transfer apparatus
US3548140A (en) * 1967-07-25 1970-12-15 Continental Can Co Method and apparatus for sealing containers using heat activated magnetic sealing compound
US3497657A (en) * 1967-12-04 1970-02-24 American Induction Heating Variable reactance coil adapter for induction heating apparatus
GB1319679A (en) * 1970-11-06 1973-06-06 United Glass Ltd Induction heat sealing of containers
DE2225928A1 (de) * 1972-05-27 1973-12-13 Bosch Verpackungsmaschinen Vorrichtung zum verschliessen von behaeltern aus nicht metallischem material mit einer heissklebefaehig beschichteten metallfolie
GB1476325A (en) * 1975-04-01 1977-06-10 United Glass Ltd Sealing of containers
DE2518683C3 (de) * 1975-04-26 1981-04-09 4P Verpackungen Gmbh, 8960 Kempten Wärmeübertrager aus zwei miteinander verbundenen Aluminiumblechen

Also Published As

Publication number Publication date
DK146241C (da) 1984-01-16
DE2825953C2 (de) 1987-12-17
BE868107A (fr) 1978-10-02
GB1564895A (en) 1980-04-16
AU515847B2 (en) 1981-05-07
NL9102037A (nl) 1992-04-01
CA1113549A (en) 1981-12-01
DK146241B (da) 1983-08-08
AU3718678A (en) 1979-12-20
US4230923A (en) 1980-10-28
FR2395129A1 (fr) 1979-01-19
FR2395129B1 (fr) 1985-07-26
EG13337A (en) 1981-03-31
DK234678A (da) 1978-12-21
SE410788B (sv) 1979-11-05
JPS548134A (en) 1979-01-22
JPS6130974B2 (de) 1986-07-17
DE2825953A1 (de) 1979-01-04
SE7707091L (sv) 1978-12-21

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable