DE2064928A1 - Method and device for the production of hollow bodies from thermoplastic material. Eliminated from 2002914 - Google Patents
Method and device for the production of hollow bodies from thermoplastic material. Eliminated from 2002914Info
- Publication number
- DE2064928A1 DE2064928A1 DE19702064928 DE2064928A DE2064928A1 DE 2064928 A1 DE2064928 A1 DE 2064928A1 DE 19702064928 DE19702064928 DE 19702064928 DE 2064928 A DE2064928 A DE 2064928A DE 2064928 A1 DE2064928 A1 DE 2064928A1
- Authority
- DE
- Germany
- Prior art keywords
- hollow bodies
- blow molding
- filling
- production
- packaging
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000012815 thermoplastic material Substances 0.000 title claims description 6
- 238000000071 blow moulding Methods 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 description 10
- 238000007664 blowing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/0411—Means for defining the wall or layer thickness
- B29C49/04112—Means for defining the wall or layer thickness for varying the thickness
-
- 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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
-
- 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
- B29C49/28—Blow-moulding apparatus
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/72—Deflashing outside the mould
- B29C2049/725—Means for removing the deflashed parts from the deflashing area, e.g. burrs being removed from the deflashing area by a conveyor
-
- 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
- B29C49/006—Blow-moulding plants, e.g. using several blow-moulding apparatuses cooperating
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung von Hohlkörpern, insbesondere Flaschen, bei dem ein Stück eines aus einem Spritzkopf austretenden Schlauches aus thermoplastischem Material vom Spritzkopf abgetrennt und innerhalb einer zwei- oder mehrteiligen Form mit Druckluft aufgeweitet wird.The invention relates to a method of manufacture of hollow bodies, in particular bottles, in which a piece of a hose emerging from an extrusion head emerges thermoplastic material separated from the spray head and within a two-part or multi-part mold with compressed air is widened.
Die in derartigen Verfahren hergestellten Hohlkörper werden üblicherweise bisher in Behältern aufgefangen und dann in diesen Behältern zu Weiterverarbeitungsanlagen, beispielsweise zu Füllanlagen, Verschließanlagen oder Verpackungsanlagen weitertransportiert. Dabei müssen die einzelnen Hohlkörper von Hand mehrfach erfaßt und in nachgeschaltete Anlagen eingegeben werden. Dies ist umständlich, zeitraubend und unwirtschaftlich.The hollow bodies produced in such a process are usually collected in containers and then in These containers are transported on to further processing plants, for example to filling plants, closing plants or packaging plants. The individual Hollow body grasped several times by hand and in downstream Attachments are entered. This is cumbersome, time consuming and uneconomical.
109837/0974109837/0974
Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren der eingangs erläuterten Art zu schaffen, welches einfach und wirtschaftlich ist und eine weitgehend selbsttätige Weiterleitung der hergestellten Hohlkörper su nachgeschalteten Anlagen ermöglicht·The invention is therefore based on the object of creating a method of the type explained at the outset which is simple, economical and largely automatic Forwarding of the hollow bodies produced is made possible by downstream systems
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Hohlkörper unmittelbar nach ihrer Herstellung weiteren Einrichtungen zugeführt werden, die der Förderung, der Füllung, des Verschließen und/oder des Verpackens der Hohlkörper dienen.This object is achieved in that the Hollow bodies are fed to other facilities immediately after their production, the promotion, the Filling, closing and / or packaging the Serve hollow bodies.
Bei dem erfinduhgsgemäßen Verfahren werden die Hohlkörper, sobald sie hergestellt sind, auf Förderern weiteren Behandlungsanlagen zugeführt, ohne daß die einzelnen Hohlkörper von Hand erfaßt und jeweils für sich weitergetragen werden müssen oder in Behälter eingebracht und mit den Behältern weitertransportiert werden müßten· Mittels des erfindungsgemäßen Verfahrens ist somit die Einrichtung eines vollständig automatischen Betriebs von der Herstellung der Hohlkörper über ihre Füllung, ihr Verschließen und Etikettieren bis zum Verpacken hin möglich. Da die Hohlkörper beim Verlassen der Form keimfrei sind, hat das erfindungsgemäße Verfahren den weiteren großen Vorteil, daß die hergestellten Hohlkörper unmittelbar nach ihrer Herstellung und ohne mit menschlichen Händen in Berührung zu kommen, weiteren Anlagen zugeführt werden können· Diese Möglichkeit ist von besonderer Bedeutung, wenn in die Hohlkörper Milch oder Medikamente eingefüllt werden sollen.In the method according to the invention, the hollow bodies, as soon as they have been produced, are placed on conveyors for further treatment systems supplied without the individual hollow bodies being grasped by hand and carried on for themselves must be placed or put into containers and transported further with the containers · by means of the The method according to the invention is thus the establishment of a completely automatic operation from the production of the Hollow bodies through their filling, their closing and labeling up to packaging are possible. Because the hollow body are germ-free when leaving the mold, the inventive method has the further great advantage that the produced Hollow bodies immediately after their production and without coming into contact with human hands, can be fed to further systems · This option is of particular importance when milk is placed in the hollow body or medication is to be added.
Wenn zur Herstellung von Hohlkörpern mehrere Blasmaschinen gleichzeitig eingesetzt werden sollen, ist das erfindungsgemäße Verfahre» mit Vorteil so ausgebildet, daß die der Förderung, der Füllung, dem Verschließen und dem VerpackenIf several blow molding machines are used to produce hollow bodies are to be used at the same time, the method according to the invention is advantageously designed so that the Conveying, filling, sealing and packaging
109837/0974109837/0974
der fertigen Hohlkörper dienenden Einrichtungen für alle Blasmaschinen gemeinsam vorgesehen sind. Durch diese.Ausgestaltung des erfindungsgemäßen Verfahrens wird die Wirtschaftlichkeit der Anlagen zur Herstellung von Kunststoffhohlkörpern verbessert und das Vergrößern von kompletten Abfüllanlagen dadurch erleichtert.the finished hollow body serving facilities for all blow molding machines are provided together. Through this design of the process according to the invention, the economy of the plants for the production of plastic hollow bodies improved and the enlargement of complete filling systems thereby facilitated.
Eine Vorrichtung zur Durchführung des erfindungsgeiaäßen Verfahrens ist mit Vorteil so ausgebildet, daß den Blasmaschinen Einrichtungen unmittelbar nachgeschaltet sind, i die der Förderung, der Füllung, dem Verschließen, und dem Verpacken der fertigen Hohlkörper dienen.An apparatus for carrying out the method erfindungsgeiaäßen is advantageously designed so that the blowing machines devices are connected directly downstream, i aimed at promoting, filling, sealing, and packaging of the finished hollow body.
Weitere Vorteile und Einzelheiten der Erfindung sollen anhand von in den Fig. 1 und 2 dargestellten Ausführungsbeispielen erläutert werden.. Es zeigenFurther advantages and details of the invention will be based on the exemplary embodiments shown in FIGS. 1 and 2 be explained .. show it
Fig. 1 schematisch eine Flaschenblasmaschine zur Durchführung des erfindungsgemäßen Verfahrens,1 schematically shows a bottle blowing machine for carrying out the method according to the invention,
Fig. 2 perspektivisch ein weiteres AusführungsbeispielFig. 2 is a perspective view of a further embodiment
einer Anlage mit vier Blasmaschinen und zugehörigen Hilfseinrichtungen zur Durchführung des erfindungs-" g gemäßen Verfahrens.a system with four blow molding machines and associated auxiliary equipment to carry out the invention "g according to the procedure.
Die in Fig. 1 dargestellte Blasmaschine wird von einem Behälter 1 mit thermoplastischem Material versorgt. Dieses Material gelangt über die Leitung 2 in den Mischer 3t dem auch der in der Mühle 4 zerkleinerte Abfall zugeführt wird. Vom Mischer 3 gelangt das thermoplastische Material in die Schneckenpresse 5» aus dessen Spritzkopf der Schlauch 6 austritt·The blow molding machine shown in Fig. 1 is supplied from a container 1 with thermoplastic material. This material reaches the mixer 3 t via the line 2, to which the waste comminuted in the mill 4 is also fed. From the mixer 3 the thermoplastic material passes into the screw press 5 »from whose injection head the hose 6 emerges ·
109837/0974109837/0974
Innerhalb der Form 8 vrird ein Stück des Schlauches 6 nach dem Schließen der Form 8 aufgeblasen und nach dem öffnen der Form 8 mit Hilfe des Auswerfers 7 aus der Form entfernt* Die Horizontalbewegungen der Form werden durch die pneumatisch betätigbare Zylinder-Kolben-Anordnung 9 und die Vertikalbewegungen durch die pneumatisch betätigbare Zylinder-Kolben-Anordnung 10 bewirkt. Beide Einrichtungen 9 und 10 werden vom Kompressor 11 versorgt. Die fertigen Hohlkörper und der Abfall werden vom Band 12 an die gewünschten Stellen befördert. Die Steuerung der Anlage erfolgt durch die im Schrank 13 untergebrachten Schalteinrichtungen· Within the mold 8, a piece of the hose 6 follows when the mold 8 is closed it is inflated and after the mold 8 has been opened it is removed from the mold using the ejector 7 * The horizontal movements of the mold are controlled by the pneumatically operated cylinder-piston arrangement 9 and the vertical movements caused by the pneumatically actuated cylinder-piston arrangement 10. Both bodies 9 and 10 are supplied by the compressor 11. The finished Hollow bodies and the waste are conveyed by the belt 12 to the desired locations. The system is controlled through the switching devices housed in cabinet 13
Die Blasmaschine kann dabei so ausgebildet sein, daß nach der Beendigung des Blasvorganges und nach einer ausreichenden Abkühlzeit der in der Blasform hergestellte Hohlkörper von Abfallteilen getrennt wird und die Flasche und der Abfall getrennt voneinander ausgeworfen werden. Dabei wird der Abfall vorzugsweise durch die Wirkung eines I/uftstrahls und der Hohlkörper durch die Wirkung des Auswerfers 7 aus der Form entfernt. Es ist auf diese Weise beispielsweise möglich, den hergestellten Hohlkörper gezielt auf einen nachgeschalteten Förderer 12 zu werfen und vom Abfall zu trennen.The blow molding machine can be designed so that after the completion of the blowing process and after a sufficient cooling time of the hollow body produced in the blow mold of Waste parts is separated and the bottle and the waste are ejected separately from each other. In doing so, the waste becomes preferably by the action of an air jet and the hollow body by the action of the ejector 7 from the Shape removed. In this way, it is possible, for example, to selectively transfer the hollow body produced to a downstream one Throwing conveyor 12 and separating it from the waste.
Die Fig. 2 zeigt vier nebeneinander angeordnete Blasmaschinen in einem zweiten Ausführungsbeispiel einer Anlage zur Durchführung des erfindungsgemäßen Verfahrens. Die vier Blasmaschinen "besitzen eine geometrische äußere Form, so daß sie ohne weiteres in raumsparender Weise nebeneinander aufgestellt werden können« Die Einrichtung zur Versorgung der Maschinen mit thermoplastischem Material, bestehend aus dem Behälter 1 und dem Mischer 3«- ist für alle Maschinen, gemein-2 shows four blow molding machines arranged side by side in a second exemplary embodiment of a system for implementation of the method according to the invention. The four blow molding machines "have a geometric outer shape, so that they can easily be placed next to one another in a space-saving manner «The device for supplying the machines with thermoplastic material, consisting of the Container 1 and mixer 3 «- is common for all machines,
109837/0374109837/0374
sam vorgesehen. Zu dieser Produktionseinheit gehören auch noch die Schaltschränke 13» die einen synchronen Ablauf, der Flaschenprodulction gewährleisten· Die produzierten Flaschen und der Abfall fallen auf das Förderband 21. Am Ende des Förderbandes 21 gelangen die Flaschen in die pneumatische Transportvorrichtung 22, die die Flaschen zur Abfülleinrichtung 23 fördert. Der Abfall wird vom Band 24 in die Abfallmühle 25 gefördert. Der darin zerkleinderte Abfall wird über die Leitung 26 zum Mischer zurückgeführt. Die Flaschen können nach der Füllung in nicht dargestellten Einrichtungen etikettiert, verpackt und von dort aus z.B. direkt auf Lkw1s verladen werden.sam provided. This production unit also includes the control cabinets 13, which ensure a synchronous sequence of bottle production. The bottles produced and the waste fall onto the conveyor belt 21. At the end of the conveyor belt 21, the bottles pass into the pneumatic transport device 22, which takes the bottles to the filling device 23 promotes. The waste is conveyed from the belt 24 into the waste mill 25. The shredded waste is returned to the mixer via line 26. After filling, the bottles can be labeled and packaged in devices (not shown) and from there, for example, loaded directly onto a truck for 1 second.
Die Erfindung ist nicht auf die in den Fig. 1 und 2 dargestellten Ausführungsbeispiele beschränkt. Ihre Anwendung ist auch bei*anderen Blasanlagen vorteilhaft. Sie kann z.B. sowohl bei einfachen Blasmaschinen mit kleiner Leistung und diskontinuierlicher Arbeitsweise als auch bei großen Maschinen mit hohen Leistungen und kontinuierlicher Arbeitsweise angewendet werden.The invention is not limited to that shown in FIGS Embodiments limited. Their use is also advantageous in * other blow molding systems. she can E.g. both with simple blow molding machines with low output and discontinuous operation as well as with large machines with high performance and continuous operation are used.
109837/097 4109837/097 4
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6910372A FR2029992A5 (en) | 1969-04-04 | 1969-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2064928A1 true DE2064928A1 (en) | 1971-09-09 |
Family
ID=9031921
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702002914 Pending DE2002914A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the production of hollow bodies from thermoplastic material |
DE19702064929 Pending DE2064929A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the manufacture of hollow bodies from thermoplastic material excretion from 2002914 |
DE19702064931 Pending DE2064931A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the manufacture of hollow bodies excretion from 2002914 |
DE19702064930 Pending DE2064930A1 (en) | 1969-04-04 | 1970-01-23 | Device for the production of hollow bodies from thermoplastic material precipitation from 2002914 |
DE19702064928 Pending DE2064928A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the production of hollow bodies from thermoplastic material. Eliminated from 2002914 |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702002914 Pending DE2002914A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the production of hollow bodies from thermoplastic material |
DE19702064929 Pending DE2064929A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the manufacture of hollow bodies from thermoplastic material excretion from 2002914 |
DE19702064931 Pending DE2064931A1 (en) | 1969-04-04 | 1970-01-23 | Method and device for the manufacture of hollow bodies excretion from 2002914 |
DE19702064930 Pending DE2064930A1 (en) | 1969-04-04 | 1970-01-23 | Device for the production of hollow bodies from thermoplastic material precipitation from 2002914 |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT322831B (en) |
BE (1) | BE746422A (en) |
BR (1) | BR7017313D0 (en) |
CA (1) | CA945319A (en) |
CH (1) | CH504950A (en) |
CS (1) | CS161108B2 (en) |
DE (5) | DE2002914A1 (en) |
ES (1) | ES378263A1 (en) |
FR (1) | FR2029992A5 (en) |
GB (1) | GB1270853A (en) |
NL (1) | NL7002263A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2255276A1 (en) * | 1972-11-11 | 1974-05-22 | Stefan Fischer | METHOD AND DEVICE FOR MANUFACTURING HOLLOW BODIES FROM WARMFORMABLE PLASTIC |
FR2764231B1 (en) * | 1997-06-05 | 1999-08-27 | Batmag Sa | BLOW MOLDING METHOD AND DEVICE |
IT1299973B1 (en) * | 1998-04-16 | 2000-04-04 | Techne Technipack Engineering | AUTOMATIC MACHINE FOR THE PRODUCTION, FOR THE CONTROL, FOR THE FILLING AND CAPPING OF THERMOPLASTIC BOTTLES. |
CN104070617A (en) * | 2013-03-26 | 2014-10-01 | 防城港市港口区宏达塑料厂 | BOPA production marginal material recovery system |
CN114986852B (en) * | 2022-06-01 | 2024-02-20 | 安徽万有新材料有限公司 | Plastic bottle's production processingequipment |
-
1969
- 1969-04-04 FR FR6910372A patent/FR2029992A5/fr not_active Expired
- 1969-06-05 GB GB2838769A patent/GB1270853A/en not_active Expired
- 1969-06-27 CH CH1001769A patent/CH504950A/en not_active IP Right Cessation
-
1970
- 1970-01-23 DE DE19702002914 patent/DE2002914A1/en active Pending
- 1970-01-23 DE DE19702064929 patent/DE2064929A1/en active Pending
- 1970-01-23 AT AT64070A patent/AT322831B/en not_active IP Right Cessation
- 1970-01-23 DE DE19702064931 patent/DE2064931A1/en active Pending
- 1970-01-23 DE DE19702064930 patent/DE2064930A1/en active Pending
- 1970-01-23 DE DE19702064928 patent/DE2064928A1/en active Pending
- 1970-02-18 NL NL7002263A patent/NL7002263A/xx unknown
- 1970-02-24 BE BE746422D patent/BE746422A/en unknown
- 1970-03-03 BR BR21731370A patent/BR7017313D0/en unknown
- 1970-03-11 CA CA077,136A patent/CA945319A/en not_active Expired
- 1970-04-03 CS CS219970A patent/CS161108B2/cs unknown
- 1970-04-04 ES ES378263A patent/ES378263A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7017313D0 (en) | 1973-04-17 |
NL7002263A (en) | 1970-10-06 |
ES378263A1 (en) | 1972-05-16 |
CH504950A (en) | 1971-03-31 |
CS161108B2 (en) | 1975-05-04 |
DE2064929A1 (en) | 1971-08-19 |
AT322831B (en) | 1975-06-10 |
BE746422A (en) | 1970-07-31 |
GB1270853A (en) | 1972-04-19 |
DE2002914A1 (en) | 1970-10-15 |
DE2064931A1 (en) | 1971-08-19 |
CA945319A (en) | 1974-04-16 |
DE2064930A1 (en) | 1971-08-05 |
FR2029992A5 (en) | 1970-10-23 |
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