DE1479152B2 - DEVICE FOR MANUFACTURING CLOSED HOLLOW BODIES, LIKE BAELLES, BY BLOWING A PRE-FORM FROM THERMO PLASTIC PLASTIC - Google Patents
DEVICE FOR MANUFACTURING CLOSED HOLLOW BODIES, LIKE BAELLES, BY BLOWING A PRE-FORM FROM THERMO PLASTIC PLASTICInfo
- Publication number
- DE1479152B2 DE1479152B2 DE19651479152 DE1479152A DE1479152B2 DE 1479152 B2 DE1479152 B2 DE 1479152B2 DE 19651479152 DE19651479152 DE 19651479152 DE 1479152 A DE1479152 A DE 1479152A DE 1479152 B2 DE1479152 B2 DE 1479152B2
- Authority
- DE
- Germany
- Prior art keywords
- mold
- parts
- plastic
- blowing
- hollow bodies
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/50—Moulds having cutting or deflashing means
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06905—Using combined techniques for making the preform
- B29C49/0691—Using combined techniques for making the preform using sheet like material, e.g. sheet blow-moulding from joined sheets
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C2049/4805—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by closing the mould halves
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/48185—Moulds with more than one separate mould cavity
- B29C49/4819—Moulds with more than one separate mould cavity having different sizes or shapes of the mould cavities
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/266—Auxiliary operations after the thermoforming operation
- B29C51/267—Two sheets being thermoformed in separate mould parts and joined together while still in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/54—Balls
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Protection Of Static Devices (AREA)
Description
1 21 2
Die Erfindung betrifft eine Vorrichtung zum Her- weiche Kunststoff anliegt, so daß dieser das Gegenstellen
von geschlossenen Hohlkörpern, wie Bällen, einanderverschieben nicht beeinträchtigen kann,
durch Blasen eines Vorformlings aus thermoplasti- Das auswechselbare Anbringen von Formteilen anThe invention relates to a device for softening plastic so that it cannot interfere with the opposing positions of closed hollow bodies such as balls.
by blowing a preform made of thermoplastic The interchangeable attachment of molded parts
schein Kunststoff, mit deiner mehrteiligen Form, bei Formtragplatten ist an sich aus der USA.-Patentder Teile gegen Federkraft verschiebbar geführt sind, 5 schrift 3 078 508 bekannt, jedoch sind dort an den wobei einander zugewandte Ausnehmungen in eine Formplatten komplette Formhälften angeordnet, die Formeinheit bildenden Teilen wenigstens einen Form- jeweils als Ganzes ausgewechselt werden müssen, hohlraum begrenzen. wenn ein anderes Produkt hergestellt werden soll.Apparently plastic, with your multi-part shape, with shape support plates is actually from the USA Parts are guided displaceably against spring force, 5 writing 3 078 508 known, but are there to the wherein facing recesses arranged in a mold plate complete mold halves, the Mold unit forming parts at least one mold must be replaced as a whole, limit cavity. if another product is to be manufactured.
Eine bekannte Vorrichtung dieser Art (deutsche Die Nachteile beim Auswechseln einer kompletten Auslegeschrift 1 085 662) weist zwei komplette Form- io Fonnhälfte sind eingangs bereits besprochen worden, hälften auf mit jeweils einem Ausnehmungen auf- Ein Ausführungsbeispiel der Erfindung ist in derA known device of this type (German The disadvantages of replacing a complete Auslegeschrift 1 085 662) has two complete form- io mold halves have already been discussed at the beginning, halves with one recesses each. An embodiment of the invention is shown in FIG
weisenden Formteil und einem im Formteil feder- Zeichnung dargestellt. Es zeigt
belastet beweglich gelagerten Abschlußrahmen. Die F i g. 1 einen Vertikalschnitt durch eine Vorrich-pointing molding and a spring drawing in the molding. It shows
loads movably mounted end frame. The F i g. 1 a vertical section through a device
Abschlußrahmen liegen in Ruhestellung der Vorrich- tung unmittelbar nach dem Blasen des Kunststoffes
tung aneinander an, während sich die Formteile 15 bei noch geöffneten Formhälften und
selbst, deren Ausnehmungen einander zugekehrt sind, F i g. 2 einen Vertikalschnitt durch die Vorrich-When the device is in the rest position, end frames lie against one another immediately after the plastic has been blown, while the molded parts 15, when the mold halves and the mold halves are still open
even, the recesses of which face one another, FIG. 2 a vertical section through the device
in einem Abstand voneinander befinden. Nach dem tung gemäß F i g. 1 nach dem Schließen der Form-Aufblasen des Vorformlings sind die beiden Form- hälften.are at a distance from each other. After the device according to FIG. 1 after closing the mold-inflate of the preform are the two mold halves.
teile gegen die Federkraft der weiterhin aneinander- In den beiden Figuren tragen entsprechende Einliegenden
Abschlußrahmen aufeinander zu bewegbar, 20 zelteile dieselben Bezugszeichen,
wodurch die Kanten der den Formhohlraum begren- Die in F i g. 1 dargestellte Vorrichtung weist zweiparts against the spring force of the continue to each other- In the two figures, corresponding enclosed end frames are movable towards each other, 20 individual parts have the same reference numerals,
whereby the edges of the mold cavity delimit the in FIG. 1 device shown has two
zenden Ausnehmungen aufeinandertreffen und den senkrecht angeordnete Formtragplatten 11 und 12 Vorformling zur gewünschten Gestalt schließen. Jede auf, die die übrigen Teile der Form tragen. Jede der beiden Formhälften bildet eine aus Formteil und Formtragplatte 11 bzw. 12 trägt einen der Teile 13 Abschlußrahmen bestehende Einheit, die nur für ein 25 bzw. 14, die mit Hilfe nicht gezeigter Federungsvorbestimmtes Produkt brauchbar ist. Wenn ein Körper richtungen in einem bestimmten Abstand von den anderer Gestalt hergestellt werden soll, müssen dafür Formtragplatten 11 bzw. 12 gehalten werden. Die zwei neue komplette Formhälften, jeweils aus einem Formtragplatte 11 trägt weiterhin Formteile 15 und Formteil und einem federnd gelagerten Abschluß- 16, die mit ihr fest, z. B. mittels in der Zeichnung rahmen zur Verfügung stehen. Das Herstellen solcher 30 angedeuteter Schrauben 17, verbunden sind, und in Formhälften ist aufwendig, da das Anbringen der gleicher Weise trägt die Formtragplatte 12 den Nuten und der Federung zahlreiche Arbeitsgänge und Formteilen 15 und 16 entsprechende Formteile 18 eine hohe Bearbeitungsgenauigkeit erfordert. Die be- bzw. 19, die mit der Formtragplatte 12, z. B. mittels kannte Vorrichtung hat außerdem den Nachteil, daß Schrauben 20, verbunden sind. In der in F i g. 1 gebeim Bewegen der Formteile gegen die Abschluß- 35 zeigten Stellung ist ein Vorformling, ζ. B. in Form rahmen weiches Kunststoffmaterial zwischen die sich eines stranggepreßten Schlauches oder zweier paralgegeneinander bewegenden Flächen gedrückt werden leler Folien, in die Vorrichtung eingeführt und nach kann, was zu Fertigungsschwierigkeiten führt. Schließen der Formteile durch Einblasen von Druck-Zenden recesses meet and the vertically arranged mold support plates 11 and 12 Close the preform to the desired shape. Each one that will support the remaining parts of the mold. Every of the two mold halves is formed by one of the molded part and the mold support plate 11 or 12, respectively, carrying one of the parts 13 End frame existing unit, which is only for a 25 or 14, which is predetermined with the help of suspension, not shown Product is usable. When a body is at a certain distance from the Another shape is to be produced, mold support plates 11 and 12 must be held for this. the two new complete mold halves, each from a mold support plate 11 continues to carry mold parts 15 and Molded part and a resiliently mounted final 16, which is fixed with her, for. B. means in the drawing frames are available. The production of such 30 indicated screws 17, are connected, and in Mold halves is complex, since the attachment of the mold support plate 12 carries the same way Grooves and the suspension numerous operations and molded parts 15 and 16 corresponding molded parts 18 requires high machining accuracy. The loading or 19, which with the mold support plate 12, z. B. by means of Known device also has the disadvantage that screws 20 are connected. In the in F i g. 1 given Moving the molded parts against the final position is a preform, ζ. B. in shape frame soft plastic material between an extruded hose or two parallel to each other moving surfaces are pressed leler foils, inserted into the device and after can, which leads to manufacturing difficulties. Closing the molded parts by blowing in pressure
Aufgabe der Erfindung ist es, eine Vorrichtung der luft durch ein Blasmundstück 22 gegen die Wände eingangs beschriebenen Art zu schaffen, die mit ein- 40 der zwischen den Formteilen gebildeten Blaskammer fachen Mitteln zum Herstellen verschieden gestalte- gepreßt worden. In dieser Weise wird ein die Form ter Hohlkörper umzurüsten ist. der Blaskammer aufweisender Zwischenformling 21The object of the invention is to provide a device for air through a blow mouthpiece 22 against the walls To create the type described at the outset, the one with the blow chamber formed between the molded parts multiple means for producing different shapes have been pressed. In this way one becomes the form the hollow body is to be converted. the intermediate molding 21 having the blowing chamber
Diese Aufgabe wird erfindungsgemäß dadurch ge- gebildet.According to the invention, this object is thereby achieved.
löst, daß bei an sich bekannter auswechselbarer An- Zum Herstellen von Bällen oder anderen Hohlordnung der eine Formeinheit bildenden Teile an 45 körpern werden die Formtragplatten 11 und 12 an-Formtragplatten relativ zu den gegen Federkraft ver- schließend weiter gegeneinander geschoben, wie dies schiebbaren Teilen bewegbar sind. in F i g. 2 gezeigt ist, wobei sie entgegen dem Drucksolves that with a known interchangeable To the manufacture of balls or other hollow arrangements of the parts forming a mold unit on 45 bodies, the mold support plates 11 and 12 become mold support plates relative to the one that closes against spring force pushed further against one another, like this sliding parts are movable. in Fig. 2 is shown, being against the pressure
Bei der erfindungsgemäßen Vorrichtung bilden die der oben erwähnten Federungsvorrichtung in Anlage Formtragplatten mit den relativ zu ihnen gegen Feder- gegen die Teile 13 und 14 gepreßt werden. Gleichkraft bewegbaren Teilen einen unveränderlichen, von 50 zeitig werden die mit der Formtragplatte 11 starr verdem herzustellenden Hohlkörper unabhängigen Be- bundenen Formteile 15 und 16 gegen die mit der standteil der Vorrichtung. Für Hohlkörper unter- Formtragplatte 12 starr verbundenen Formteile 18 schiedlicher Gestalt sind lediglich die Teile auszu- und 19 geschoben und zusammengepreßt. Indem die tauschen, welche die unmittelbar den Formhohlraum Kanten des Formteils 15 dabei gegen die Kanten des für den Hohlkörper begrenzende Ausnehmung auf- 55 Formteils 18 und ferner die Kanten des Formteils 16 weisen. Diese Teile können, abgesehen von der Aus- gegen die Kanten des Formteils 19 gepreßt werden, nehmung, sehr einfach in der Form aufgebaut sein wird der noch immer warme Kunststoff in den gegen- und auf einfache Weise an den Formtragplatten an- einander gepreßten Formteilen 15,18 bzw. 16,19 gebracht werden. Ihre Herstellung ist somit relativ entlang dieser Kanten verschweißt und gleichzeitig billig. Auch das Umrüsten der Vorrichtung für einen 60 vom übrigen Kunststoff in der Blaskammer abgeanderen Hohlkörper kann rasch und auf einfache trennt. Hierbei bilden sich die gewünschten Hohl-Weise erfolgen. Da die sich relativ zueinander bewe- körper. Die gebildeten Hohlkörper werden danach genden Grundelemente nicht verändert werden, ist abgekühlt und in üblicher Weise aus der Form entkeine besondere Anpassungsaufmerksamkeit erfor- fernt.In the case of the device according to the invention, those of the abovementioned suspension device are attached Mold support plates with which are pressed relative to them against spring against the parts 13 and 14. Equilibrium movable parts have an unchangeable, from 50 times the with the mold support plate 11 are rigidly verdem Bound molded parts 15 and 16 independent of the hollow body to be produced against the with the part of the device. Molded parts 18 rigidly connected under mold support plate 12 for hollow bodies Different shape only the parts are pushed out and 19 pushed and pressed together. By the swap which the directly the mold cavity edges of the molded part 15 against the edges of the for the recess delimiting the hollow body on the molded part 18 and also the edges of the molded part 16 point. Apart from being pressed against the edges of the molded part 19, these parts can be pressed assumption, the shape of the plastic, which is still warm, will be very simple in the opposite direction. and molded parts 15, 18 and 16, 19 pressed together in a simple manner on the mold support plates to be brought. Their production is thus welded relatively along these edges and at the same time cheap. Also converting the device for a 60 different from the rest of the plastic in the blow chamber Hollow bodies can be separated quickly and easily. This creates the desired hollow ways take place. Because they move relative to each other. The hollow bodies formed are thereafter The basic elements are not changed, have cooled down and removed from the mold in the usual way special attention to adaptation is required.
derlich. Die erfindungsgemäße Vorrichtung hat außer- 65 Durch Anwendung der Vorrichtung bei verschiedem den Vorteil, daß beim Schließen der Form nach dener Anzahl von Formteilen läßt sich eine vari-Aufblasen des Vorformlings keine breiten Flächen ierende Anzahl Bälle oder anderer Hohlkörper durch gegeneinander verschoben werden, gegen welche der einen einzigen Blasverformungsvorgang herstellen.so. The device according to the invention has also 65 By using the device in various the advantage that when the mold is closed after the number of mold parts, a variable inflation can be achieved The preform does not have wide surfaces or the number of balls or other hollow bodies are shifted against each other, against which the produce a single blow molding process.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE14411/64A SE322901B (en) | 1964-11-30 | 1964-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE1479152A1 DE1479152A1 (en) | 1971-04-15 |
DE1479152B2 true DE1479152B2 (en) | 1971-04-15 |
Family
ID=20299059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19651479152 Ceased DE1479152B2 (en) | 1964-11-30 | 1965-10-21 | DEVICE FOR MANUFACTURING CLOSED HOLLOW BODIES, LIKE BAELLES, BY BLOWING A PRE-FORM FROM THERMO PLASTIC PLASTIC |
Country Status (14)
Country | Link |
---|---|
JP (2) | JPS4920382B1 (en) |
AT (1) | AT301865B (en) |
BE (1) | BE671537A (en) |
BR (1) | BR6575332D0 (en) |
CH (1) | CH442710A (en) |
DE (1) | DE1479152B2 (en) |
DK (1) | DK125683B (en) |
ES (1) | ES319020A1 (en) |
FI (1) | FI44705C (en) |
FR (1) | FR1455510A (en) |
GB (1) | GB1119176A (en) |
NL (1) | NL148825B (en) |
NO (1) | NO119963B (en) |
SE (1) | SE322901B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4062357A (en) * | 1974-04-08 | 1977-12-13 | Laerdal A S | Respirator mask |
DE2720448C2 (en) * | 1977-05-06 | 1981-09-24 | Rainer 3530 Warburg Fischer | Device for the production of plastic hollow bodies |
JPS5757089U (en) * | 1980-09-22 | 1982-04-03 | ||
JPS5887288U (en) * | 1981-12-10 | 1983-06-13 | 日産自動車株式会社 | Low frequency induction heating device |
GB8828481D0 (en) * | 1988-12-06 | 1989-01-05 | Euro Matic Ltd | Date coding play balls |
US5562429A (en) * | 1989-09-28 | 1996-10-08 | Caro Manufacturing Corporation | Pulse dampener and fuel pump having same |
US5253995A (en) * | 1989-09-28 | 1993-10-19 | Caro Manufacturing Corporation | Apparatus for making a pulse dampener |
EP2781329B1 (en) | 2007-01-22 | 2017-10-25 | ResMed R&D Germany GmbH | Method for manufacturing a hollow structure |
US20090152774A1 (en) * | 2007-12-17 | 2009-06-18 | Nike, Inc. | Method For Molding A Fluid-Filled Structure |
EP2708346B1 (en) * | 2009-03-24 | 2016-10-26 | Sarong Societa' Per Azioni | Apparatus for thermoforming objects |
JP5501116B2 (en) * | 2010-06-28 | 2014-05-21 | 本田技研工業株式会社 | Blow molding method |
GB201119175D0 (en) | 2011-11-07 | 2011-12-21 | Sony Corp | Context adaptive data encoding |
EP3059071B1 (en) * | 2013-10-15 | 2018-09-26 | Nissei Asb Machine Co., Ltd. | Preform handling device, and blow forming device |
-
1964
- 1964-11-30 SE SE14411/64A patent/SE322901B/xx unknown
-
1965
- 1965-10-19 CH CH1450565A patent/CH442710A/en unknown
- 1965-10-20 AT AT951865A patent/AT301865B/en not_active IP Right Cessation
- 1965-10-20 GB GB44359/65A patent/GB1119176A/en not_active Expired
- 1965-10-21 DE DE19651479152 patent/DE1479152B2/en not_active Ceased
- 1965-10-26 FI FI652554A patent/FI44705C/en active
- 1965-10-28 ES ES0319020A patent/ES319020A1/en not_active Expired
- 1965-10-28 BE BE671537D patent/BE671537A/xx not_active IP Right Cessation
- 1965-10-29 DK DK556765AA patent/DK125683B/en unknown
- 1965-11-09 FR FR37820A patent/FR1455510A/en not_active Expired
- 1965-11-16 NL NL656514848A patent/NL148825B/en not_active IP Right Cessation
- 1965-11-29 NO NO160665A patent/NO119963B/no unknown
- 1965-11-30 BR BR175332/65A patent/BR6575332D0/en unknown
- 1965-11-30 JP JP40073211A patent/JPS4920382B1/ja active Pending
-
1969
- 1969-08-19 JP JP44065624A patent/JPS5130110B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES319020A1 (en) | 1966-04-16 |
CH442710A (en) | 1967-08-31 |
JPS4920382B1 (en) | 1974-05-24 |
DK125683B (en) | 1973-03-26 |
AT301865B (en) | 1972-09-25 |
FI44705B (en) | 1971-08-31 |
FI44705C (en) | 1971-12-10 |
BR6575332D0 (en) | 1973-06-14 |
BE671537A (en) | 1966-02-14 |
SE322901B (en) | 1970-04-20 |
NL6514848A (en) | 1966-05-31 |
FR1455510A (en) | 1966-04-01 |
NL148825B (en) | 1976-03-15 |
NO119963B (en) | 1970-08-03 |
DE1479152A1 (en) | 1971-04-15 |
GB1119176A (en) | 1968-07-10 |
JPS5130110B1 (en) | 1976-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BHV | Refusal |