NO171150C - Fremgangsmaate og apparat til fremstilling av et formlegeme av plast - Google Patents

Fremgangsmaate og apparat til fremstilling av et formlegeme av plast

Info

Publication number
NO171150C
NO171150C NO802021A NO802021A NO171150C NO 171150 C NO171150 C NO 171150C NO 802021 A NO802021 A NO 802021A NO 802021 A NO802021 A NO 802021A NO 171150 C NO171150 C NO 171150C
Authority
NO
Norway
Prior art keywords
preparing
plastic form
plastic
Prior art date
Application number
NO802021A
Other languages
English (en)
Other versions
NO802021L (no
NO171150B (no
Inventor
Karl Maegerle
Original Assignee
Maegerle Karl Lizenz
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4310621&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO171150(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maegerle Karl Lizenz filed Critical Maegerle Karl Lizenz
Publication of NO802021L publication Critical patent/NO802021L/no
Publication of NO171150B publication Critical patent/NO171150B/no
Publication of NO171150C publication Critical patent/NO171150C/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/042Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • B29C31/048Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds the material being severed at the dispensing head exit, e.g. as ring, drop or gob, and transported immediately into the mould, e.g. by gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0033Moulds or cores; Details thereof or accessories therefor constructed for making articles provided with holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/04Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
    • B29C43/06Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable in one direction, e.g. mounted on chains, belts
    • B29C43/08Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable in one direction, e.g. mounted on chains, belts with circular movement, e.g. mounted on rolls, turntables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/34Feeding the material to the mould or the compression means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00Producing tubular articles
    • B29D23/20Flexible squeeze tubes, e.g. for cosmetics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/34Feeding the material to the mould or the compression means
    • B29C2043/3433Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/34Feeding the material to the mould or the compression means
    • B29C2043/345Feeding the material to the mould or the compression means using gas, e.g. air, to transport non liquid material
    • B29C2043/3461Feeding the material to the mould or the compression means using gas, e.g. air, to transport non liquid material for foils, sheets, gobs, e.g. floated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0017Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058Liquid or visquous
    • B29K2105/0067Melt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/253Preform
    • B29K2105/258Tubular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/20Flexible squeeze tubes, e.g. for cosmetics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/41Processes of molding collapsible tubes
NO802021A 1979-07-12 1980-07-04 Fremgangsmaate og apparat til fremstilling av et formlegeme av plast NO171150C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH650279A CH638716A5 (de) 1979-07-12 1979-07-12 Verfahren zur herstellung eines formkoerpers aus kunststoff.

Publications (3)

Publication Number Publication Date
NO802021L NO802021L (no) 1981-01-13
NO171150B NO171150B (no) 1992-10-26
NO171150C true NO171150C (no) 1993-02-03

Family

ID=4310621

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802021A NO171150C (no) 1979-07-12 1980-07-04 Fremgangsmaate og apparat til fremstilling av et formlegeme av plast

Country Status (33)

Country Link
US (3) US4352775A (no)
JP (1) JPS5625411A (no)
KR (1) KR840001280B1 (no)
AR (1) AR222879A1 (no)
AT (1) AT389490B (no)
AU (1) AU536138B2 (no)
BE (1) BE884148A (no)
BG (1) BG39973A3 (no)
BR (1) BR8004317A (no)
CA (1) CA1161216A (no)
CH (1) CH638716A5 (no)
CS (1) CS221923B2 (no)
DD (1) DD151897A5 (no)
DE (1) DE3023415C3 (no)
DK (1) DK155924C (no)
ES (2) ES8105618A1 (no)
FR (1) FR2460772A1 (no)
GB (1) GB2053077B (no)
HU (1) HU178882B (no)
IE (1) IE49941B1 (no)
IN (1) IN153473B (no)
IT (1) IT1174676B (no)
MX (1) MX154264A (no)
MY (1) MY8500458A (no)
NL (1) NL8003466A (no)
NO (1) NO171150C (no)
NZ (1) NZ194190A (no)
PH (1) PH16752A (no)
PL (1) PL130987B1 (no)
SE (1) SE434026B (no)
SU (1) SU1083901A3 (no)
YU (1) YU42535B (no)
ZA (1) ZA804063B (no)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH657088A5 (de) * 1982-12-02 1986-08-15 Maegerle Karl Lizenz Formwerkzeug fuer einen behaelter-kopfteil aus kunststoff.
EP0175642B1 (de) * 1984-09-18 1990-10-10 H. Obrist & Co. AG Verfahren und Vorrichtung zum Herstellen eines Formkörpers aus Kunststoffmaterial
US4751029A (en) * 1985-04-15 1988-06-14 Nicholas Plastics, Inc. Method and means for molding plastic parts
US4702687A (en) * 1985-04-23 1987-10-27 Mccormick & Company, Inc. Food forming device
FR2596699B1 (fr) * 1986-04-08 1988-09-09 Miellet Albert Procede de fabrication de tubes de conditionnement et installation de mise en oeuvre dudit procede
AU606151B2 (en) * 1987-05-13 1991-01-31 Kmk Lizence Ltd Installation for producing packaging containers
JPH0780199B2 (ja) * 1987-09-03 1995-08-30 大和製罐株式会社 複合構成頭部を有するチューブ容器の製造方法及びその製造装置
AU613156B2 (en) * 1988-02-12 1991-07-25 Aisa Automation Industrielle S.A. Process and device for producing pressings from thermoplastic material
DE3804464C1 (no) * 1988-02-12 1989-06-08 Aisa Automation Industrielle S.A., Vouvry, Ch
DE4009661C1 (no) * 1990-03-26 1991-03-07 Aisa Automation Industrielle S.A., Vouvry, Ch
US5225132A (en) * 1991-08-09 1993-07-06 Farina Richard C Process and apparatus for producing a molded body of plastic material
DE4417435C1 (de) 1994-05-18 1996-01-04 Automation Industrielle Sa Verfahren und Vorrichtungen zur Herstellung eines Formkörpers aus Kunststoff
CH689204A5 (de) * 1994-09-19 1998-12-15 Maegerle Karl Lizenz Verfahren zur Befuellung einer Matrize zur Anformung eines Tubenkopfes an ein Tubenrohr.
DE19712736C1 (de) * 1997-03-26 1998-11-12 Maegerle Karl Lizenz Verfahren zur Herstellung einer Mehrkammer-Verpackungstube
US6869558B2 (en) * 1997-12-18 2005-03-22 Thermoplastic Composite Designs, Inc. Thermoplastic molding process and apparatus
CH693027A5 (de) * 1998-05-07 2003-01-31 Maegerle Karl Lizenz Verfahren zur Herstellung einer Mehrkammer-Verpackungstube.
FR2822101B1 (fr) * 2001-03-19 2006-12-08 Cebal Atelier de fabrication de tubes souples en matiere plastique avec moulage de la tete sur la jupe effectuee par des outillages en mouvement continu
DE60213074T2 (de) * 2001-03-19 2007-02-08 Cebal S.A.S. Anlage und verfahren zur herstellung flexibler rohre aus kunststoff, wobei das formen des kopfes oben auf der schürze durch sich kontinuierlich bewegende werkzeuge durchgeführt wird
ITRE20010117A1 (it) * 2001-12-07 2003-06-09 Sacmi Dispositivo per la formatura di dosi preformate anulari in materiale plastico, e relativo impianto
CH695674A5 (de) * 2001-12-17 2006-07-31 Maegerle Karl Lizenz Verfahren zur Herstellung von Kunststoff-Formteilen.
CH696433A5 (de) * 2002-11-04 2007-06-15 Maegerle Karl Lizenz Verfahren und Vorrichtung zur Herstellung von Kunstsoff-Formteilen, insbesondere Ausgussteilen von Verpackungsbehältern.
FR2846594B1 (fr) * 2003-11-03 2006-07-21 Maegerle Karl Lizenz Procede et dispositif de fabrications de pieces moulees en matiere plastique, en particulier des elements formant des becs sur des recipients d'emballage
US7207430B2 (en) * 2004-10-25 2007-04-24 Ui Holding Company Vacuum gripper for handling small components
CN101287581B (zh) * 2005-10-12 2013-02-06 关西管道株式会社 封闭式管件的头部形成方法、封闭式管状容器及制造方法
EP1852235A1 (fr) * 2006-05-01 2007-11-07 Aisapack Holding SA Dispositif et procédé pour la manipulation d'une dose de matière plastique à l'état fondu
CA2649640C (fr) * 2006-05-01 2013-12-24 Aisapack Holding S.A. Dispositif et procede de moulage par compression d'articles en matiere plastique
US8906187B2 (en) * 2008-06-25 2014-12-09 Colgate-Palmolive Company Method of making shoulder/nozzles with film barrier liners
DE102008056797A1 (de) * 2008-11-11 2010-05-12 Kmk Lizence Ltd. Vorrichtung sowie Verfahren zum Herstellen von Tuben
DE102009040802B4 (de) * 2009-08-28 2013-09-12 Saeta Gmbh & Co. Kg Verfahren und Vorrichtung zum Aufbringen einer Dichtungsmasse auf eine Fläche
CN107696390B (zh) * 2017-11-01 2019-07-12 乐清市东博机电有限公司 一种制造夹紧环的方法及其制造夹紧环的设备、注塑机
EP3501778A1 (de) 2017-12-19 2019-06-26 PackSys Global AG Verfahren sowie vorrichtung zum herstellen von verpackungstuben
CN114670395A (zh) * 2022-05-30 2022-06-28 宁波景升明诚汽车科技股份有限公司 一种减震成品小单元生产设备

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US2625891A (en) * 1949-04-02 1953-01-20 Coma F Norris Doughnut cutter and former
FR1160494A (fr) * 1956-11-08 1958-07-16 Alca Ets Procédé et appareillage pour la fabrication de pièces moulées en matière plastique
US3256378A (en) * 1959-05-28 1966-06-14 Hauf Lazare Method of fabricating packing tubes of thermoplastic material
FR1241073A (fr) * 1959-11-18 1960-12-20 Valer Flax Récipient tubulaire en matière plastique, appareillage et méthode de fabrication
BE616659A (no) * 1961-04-19 1900-01-01
NL126305C (no) * 1962-07-19 1900-01-01
GB1021593A (no) * 1963-02-22 1900-01-01
US3330006A (en) * 1963-10-30 1967-07-11 American Can Co Apparatus for molding of container headpiece and closure therefor
US3360827A (en) * 1965-05-10 1968-01-02 Ernest O. Aichele Plastic dispensing means
US3375553A (en) * 1966-03-11 1968-04-02 Owens Illinois Inc Valve device for plastic extruder
US3511845A (en) * 1966-06-22 1970-05-12 Owens Illinois Inc Method of molding plastic articles
US3343211A (en) * 1966-10-12 1967-09-26 Rosen And Strickman Apparatus for forming ring-shaped extrudates
US3670066A (en) * 1969-11-10 1972-06-13 Emery I Valyi Method of compression molding a thermoplastic article with walls of variable thickness
DE2047559A1 (de) * 1970-02-20 1972-03-23 Dynamit Nobel Ag, 5210 Troisdorf Kronverschluß Ausscheidung aus 2007777
CH541407A (de) * 1970-08-21 1973-09-15 Maegerle Karl Vorrichtung zum Verschliessen einer Formmatrize
DE2135527A1 (de) * 1971-07-15 1973-01-25 Siemens Ag Haematologisches untersuchungsgeraet
JPS5622693B2 (no) * 1973-08-30 1981-05-27
DE2435431C2 (de) * 1974-07-23 1983-09-15 Bostik Gmbh, 6370 Oberursel Verfahren zum Aufteilen einer zähen oder pastösen Flüssigkeit in einzelne aufeinanderfolgende Portionen
JPS556495B2 (no) * 1974-11-14 1980-02-16
CH607695A5 (no) * 1976-10-13 1978-10-13 Karl Maegerle
JPS5416574A (en) * 1977-07-08 1979-02-07 Mitsubishi Petrochem Co Ltd Surface resin powder coating of molded thermoplastic resin article
DE2842515C2 (de) * 1978-09-29 1980-09-11 Automation Industrielle S.A., Vouvry (Schweiz) Verfahren zum Herstellen von Kopfstücken mit einer Membrane für Verpackungsbehälter aus Laminat mit einer metallischen Sperrschicht und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
DD151897A5 (de) 1981-11-11
IT1174676B (it) 1987-07-01
CA1161216A (en) 1984-01-31
SE8004277L (sv) 1981-01-13
ES271555U (es) 1983-12-16
GB2053077B (en) 1983-06-22
AU536138B2 (en) 1984-04-19
JPS647850B2 (no) 1989-02-10
NO802021L (no) 1981-01-13
PL130987B1 (en) 1984-09-29
CS221923B2 (en) 1983-04-29
CH638716A5 (de) 1983-10-14
ATA353180A (de) 1989-05-15
MY8500458A (en) 1985-12-31
DE3023415C2 (no) 1994-04-07
NO171150B (no) 1992-10-26
KR840001280B1 (ko) 1984-09-07
BG39973A3 (en) 1986-09-15
GB2053077A (en) 1981-02-04
IE49941B1 (en) 1986-01-08
ZA804063B (en) 1981-06-24
AR222879A1 (es) 1981-06-30
DK155924B (da) 1989-06-05
YU42535B (en) 1988-10-31
PH16752A (en) 1984-02-10
BR8004317A (pt) 1981-01-27
US4352775A (en) 1982-10-05
FR2460772B1 (no) 1984-02-24
NZ194190A (en) 1983-12-16
DK301780A (da) 1981-01-13
HU178882B (en) 1982-07-28
BE884148A (fr) 1980-11-03
MX154264A (es) 1987-06-29
JPS5625411A (en) 1981-03-11
ES493309A0 (es) 1981-06-01
SE434026B (sv) 1984-07-02
IE801459L (en) 1981-01-12
YU178480A (en) 1983-10-31
PL225379A1 (no) 1981-05-08
DE3023415A1 (de) 1981-01-29
ES271555Y (es) 1984-07-01
SU1083901A3 (ru) 1984-03-30
AT389490B (de) 1989-12-11
FR2460772A1 (fr) 1981-01-30
DE3023415C3 (de) 1994-04-07
ES8105618A1 (es) 1981-06-01
US4419064A (en) 1983-12-06
NL8003466A (nl) 1981-01-14
KR830003283A (ko) 1983-06-18
AU6004380A (en) 1981-01-15
DK155924C (da) 1989-10-30
IN153473B (no) 1984-07-21
IT8023044A0 (it) 1980-06-26
US4514159A (en) 1985-04-30

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