DE1815115B2 - ROLL PUNCH - Google Patents
ROLL PUNCHInfo
- Publication number
- DE1815115B2 DE1815115B2 DE19681815115 DE1815115A DE1815115B2 DE 1815115 B2 DE1815115 B2 DE 1815115B2 DE 19681815115 DE19681815115 DE 19681815115 DE 1815115 A DE1815115 A DE 1815115A DE 1815115 B2 DE1815115 B2 DE 1815115B2
- Authority
- DE
- Germany
- Prior art keywords
- punching
- punch
- roller
- package
- plate
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/02—Cutting-out
- A43D8/04—Stamping-out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/12—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics
- B26F2210/16—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics the cutting machine comprising a cutting die
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S83/00—Cutting
- Y10S83/929—Particular nature of work or product
- Y10S83/936—Cloth or leather
- Y10S83/939—Cloth or leather with work support
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0524—Plural cutting steps
- Y10T83/0577—Repetitive blanking
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8702—Clicker die press
- Y10T83/8703—With die handling attachment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
»5»5
Die Erfindung betrifft eine Rollenstanze zum Ausstanzen von Zuschnitten, d. h. Werkstücken, aus platten- oder folienartigen Werkstoffen, z. B. Textilgeweben, Leder, Pappe, Gummi od. dgl.The invention relates to a roll punch for punching out blanks, d. H. Work pieces plate-like or film-like materials, e.g. B. textile fabrics, Leather, cardboard, rubber or the like.
Beim Ausstanzen mit einer soichen Rollenstanze wird auf der Einlaufseite der Stanze ein Stanzpaket gebildet, welches aus einer unteien und oberen Stanzplatte besteht, zwischen denen der Werkstoff mit den auf ihm ausgerichteten Stanzmessern liegt.When punching out with such a roller punch, a punch package is created on the inlet side of the punch formed, which consists of a lower and upper punching plate, between which the material with the punching knives aligned on it.
Beim Durchlauf des Stanzpaketes durch die RoI-lenstanze auf ihre Ausgangsseite erfolgt der Stanzvorgang. When the punch package passes through the roll punch The punching process takes place on its output side.
Nach dem Stanzvorgang wird auf der Einlaufseite der Rollenstanze ein neues Stanzpaket gebildet und hierzu die obere Stanzplatte des vorangegangenen Paketes benutzt, welche also von der Auslaufseite der Maschine auf ihre Einlaufseite befördert werden muß.After the punching process, a new punch package is formed on the inlet side of the roller punch and for this purpose, the upper punching plate of the previous package is used, which is from the outlet side the machine must be conveyed to its inlet side.
Um diese Beförderung mechanisch durchführen zu können, ist bereits eine Rollenstanze bekannt, bei welcher der Werkstoff zusammen mit aus Draht gebogenen Stanzrahmen auf der Einlaufseite der Maschine zwischen zwei Stanzplatten gelegt und hierdurch das Stanzpaket gebildet wird, welches auf einem vor- und zurücklaufenden Bett zwischen den Druckwalzen der Rollenstanze hindurchgeführt wird. Mit diesem Bett ist der Rahmen verbunden, in welchem eine Schwenkwelle mit nach oben gerichteten Armen sitzt. Mittels dieser Arme wird die obere Stanzplatte vor dem Durchgang des Stanzpaketes durch die Druckwalzen auf den Stanzrahmen abge= legt und nach dem Durchgang des Stanzpaketes durch die Rollenstanze wieder abgehoben. Die Schwenkwelle ist neben dem Seitenrahmen der Rollenstanze parallel zur Arbeitsrichtung und hinter ihrem Getriebe angeordnet, damit sie sich frei hin- und herbewegen kann.In order to be able to carry out this transport mechanically, a roller punch is already known at which is the material together with a punching frame bent from wire on the inlet side of the machine placed between two punching plates and thereby the punch package is formed, which is on a back and forth running bed is passed between the pressure rollers of the roller punch. The frame is connected to this bed, in which a pivot shaft is directed upwards Poor sitting. By means of these arms, the upper punching plate is in front of the passage of the punching package placed on the punching frame by the pressure rollers and after the punching package has passed through lifted off again by the roller punch. The pivot shaft is next to the side frame of the roll punch arranged parallel to the direction of work and behind their gearbox so that they can move freely back and forth can move.
Nach dem Stanzvorgang nehmen die Arme die obere Slanzplatte vom Stanzpaket ab, richten sie senkrecht auf, führen sie auf die Einlaufseite der Rollenstanze zurück und senken sie dort wieder auf die Werkzeuge ab.After the punching process, the arms remove the upper flat plate from the punch package and align it vertically, lead them back to the infeed side of the roller punch and lower them back down there the tools off.
bekannte Rollenstanze ist nur für kleinere Stanzplatten bis etwa 1,5 m Länge und entsprechender Breite verwendbar. Außerdem hat sie den Nachteil, daß sich eise, wenn auch nur geringfügige, Verschiebung der feingerichteten Stanzmesser beim Ablegen der Stanzplatte nicht mit Sicherheit vermeiden läßt, da die Stanzplatte durch eine Verschwenkung um 90° aus der Senkrechten abgelegt wird.known roller punch is only for smaller punching plates up to about 1.5 m in length and corresponding Width usable. In addition, it has the disadvantage that there is no shift, even if only a slight one The fine-tuned punching knife cannot be avoided with certainty when putting down the punching plate leaves, since the punching plate is deposited by pivoting it through 90 ° from the vertical.
Der Erfindung liegt daher die Aufgabe zugrunde eine Rollenstanze zu schaffen, bei welcher wesentlich größere Stanzplatten als bisher, und zwar mit einer Länge von 4 m und mehr und entsprechender Breite bis zu 2 m ohne Schwierigkeit trotz ihrer geringen Stärke von etwa 10 mm verwendet werden können und bei der trotzdem gewährleistet ist, daß beim Ablegen der oberen Stanzplatte auf die Stanzmesser diese möglichst überhaupt nicht mehr verschoben werden.The invention is therefore based on the object of creating a roller punch in which essential larger punching plates than before, with a length of 4 m and more and a corresponding width up to 2 m can be used without difficulty despite their small thickness of about 10 mm and in which it is nevertheless guaranteed that when the upper punching plate is placed on the punching knife if possible, these should not be shifted at all.
Ausgehend von der bekannten Rollenstanze, auf deren Einlaufseite und Auslaufseite je ein ortsfester Tisch mit Förderrollen und eine Vorrichtung angeordnet ist, die die lose Stanzplatte des Stanzpaketes nach dem Stanzen von ihm abhebt, auf die Einlaufseite bringt und dort wieder auf die Stanzwerkzeuge auflegt, wird der Frfindungszweck dadurch erreicht, daß an den Längsseiten jedes Rollentisches Tragrollen für die lose Stanzplatte derart heb- und senkbar angeordnet sind, daß die Stanzplatte horizontal über die Rollenstanze zurückführbar und parallel auf die vorher feingerichteten Stanzmesser ablegbar ist.Based on the known roller punch, on the inlet side and outlet side of which a stationary table with conveyor rollers and a device is arranged that lifts the loose punching plate of the punch package from it after punching, brings it to the inlet side and places it there again on the punching tools, the for the invention purpose achieved in that arranged on the longitudinal sides of each roller table support rollers for the loose punching plate such raised and lowered, that the punching plate can be laid horizontally on the rolling punch recyclable and parallel to the previously fine-looking punching blade.
Nach einem weiteren Merkmal der Erfindung können die Tragrollen in durch Winkelhebel und Gestänge heb- und senkbaren Schienen gelagert sein.According to a further feature of the invention, the support rollers can in by angle lever and linkage be stored raisable and lowerable rails.
Der Erfindungsgegenstand wird nachstehend unter Bezugnahme auf die Zeichnungen erläutert.The subject matter of the invention is explained below with reference to the drawings.
In den Zeichnungen zeigtIn the drawings shows
F i g. 1 einen Arbeitsschritt einer Rollenstanze gemäß der Erfindung,F i g. 1 shows a working step of a roller punch according to the invention,
F i g. 2 bis 4 je eine Seitenansicht einer Rollenstanze gemäß der Erfindung in verschiedenen Arbeitsstufen, F i g. 2 to 4 each show a side view of a roller punch according to the invention in different work stages,
F i g. 5 ein Stanzpaket.F i g. 5 a die pack.
Gemäß Fig.5 wird der Werkstoff auf eine Stanzplatte 3 gelegt, auf ihn die Stanzmesser 2 und auf diese dann die obere Stanzplatte 4. Diese vier Teiie zusammen bilder« ein Stanzpaket P. According to FIG. 5, the material is placed on a punching plate 3, the punching knife 2 on it, and then the upper punching plate 4 on top of it. These four parts together form a punching package P.
Nach dem Ausstanzen in der Stanzvorrichtung 5 F i g. 1 wird die obere Stanzplatte 4 von den Stanzmessern 2 abgehoben, über die Stanzvorrichtung 5 hinweg in die Ausgangsstellung zurückgebracht und dann auf die Stanzmesser des nächsten Arbeitsganges abgelegt.After punching out in the punching device 5 F i g. 1 becomes the upper punching plate 4 from the punching knives 2 lifted, brought back over the punching device 5 into the starting position and then placed on the punching knife for the next step.
Vor und hinter der Rollenstanze 5 ist je ein ortsfester Tisch 10 bzw. 11 mit Förderrollen 12 für das Stanzpaket P angeordnet (Fig.2 bis4). Die Tische 10, Il können in beliebiger Weise ausgebildet und beispielsweise auf Ständern 13, 14 angeordnet sein. Jeder Tisch 10 bzw. 11 ist an seinen Längsseiten mit heb- und senkbaren Tragrollen 15 für die obere Stanzplatte 4 versehen.In front of and behind the roller punch 5 is a fixed table 10 or 11 with conveyor rollers 12 for the Punch package P arranged (Fig. 2 to 4). The table 10, II can be designed in any way and, for example, be arranged on stands 13, 14. Each table 10 and 11 is on its long sides with lifting and lowering support rollers 15 for the upper Die 4 provided.
Zweckmäßig sind die Tragrollen 15 in Schienen 16 gelagert. Die Schienen 16 mit den Tragrollen 15 können durch Winkelhebel 17 und Gestänge 18 gehoben und gesenkt werden.The support rollers 15 are expediently mounted in rails 16. The rails 16 with the support rollers 15 can be raised and lowered by angle lever 17 and linkage 18.
Bei der Darstellung gemäß Fig.2 befindet sich das Stanzpaket P auf dem Tisch 10 vor der Stanzvorrichtung 5. Das Stanzpaket P wird in Richtung des Pfeiles 19 durch die Stanzvorrichtung 5 geführt Nach Beendigung des Stanzvorganges befindet sichIn the illustration according to FIG. 2, the punch package P is on the table 10 in front of the punching device 5. The punch package P is guided through the punching device 5 in the direction of arrow 19 After completion of the punching process there is
das Stanzpaket P auf dem Tisch 11, welcher hinter C er Stanzvorrichtung 5 angeordnet ist In dieser Lage nach dem Ausstanzen wird die obere Stanzplatte 4 durch die Schienen 16 mit den Rollen 15 selbsttätig von den Stanzmessern 2· abgehoben und befindet sich dann in der Stellung gemäß F i g. 3.the punch package P on the table 11, which is arranged behind C it punching device 5 is in this position after punching, the upper punch plate 4 is lifted by the rails 16 with the rollers 15 automatically from the cutting knives 2 · and is then in the position shown in F i g. 3.
Aus dieser Stellung wird die obere Stanzplatte in Richtung des Pfeües 20 in die Ausgangsstellung zurückgebracht (Fig.4) und sodann auf die Stanzmesser 2 des nächsten Arbeitsganges abgelegt (Fig. 2).From this position the upper punching plate is brought back in the direction of the arrow 20 into the starting position (Fig. 4) and then on the punching knife 2 of the next operation are stored (Fig. 2).
Danach beginnt der beschriebene Arbeitszyklus erneut.Then the described work cycle begins again.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
Claims (2)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681815115 DE1815115B2 (en) | 1968-12-17 | 1968-12-17 | ROLL PUNCH |
| AT999369A AT305189B (en) | 1968-12-17 | 1969-10-23 | Roll punch |
| DK572669AA DK125658B (en) | 1968-12-17 | 1969-10-29 | Rolling stop. |
| ES373420A ES373420A1 (en) | 1968-12-17 | 1969-11-11 | Blank punching method and apparatus |
| NL6917121A NL6917121A (en) | 1968-12-17 | 1969-11-13 | |
| GB58254/69A GB1277507A (en) | 1968-12-17 | 1969-11-28 | Method and device for punching out blanks |
| CH1784269A CH492530A (en) | 1968-12-17 | 1969-12-01 | Method and device for punching out blanks |
| FR6941608A FR2026321A1 (en) | 1968-12-17 | 1969-12-02 | |
| US00171520A US3800641A (en) | 1968-12-17 | 1971-08-13 | Blank punching method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681815115 DE1815115B2 (en) | 1968-12-17 | 1968-12-17 | ROLL PUNCH |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1815115A1 DE1815115A1 (en) | 1970-09-10 |
| DE1815115B2 true DE1815115B2 (en) | 1973-02-01 |
| DE1815115C DE1815115C (en) | 1973-08-23 |
Family
ID=5716450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681815115 Granted DE1815115B2 (en) | 1968-12-17 | 1968-12-17 | ROLL PUNCH |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3800641A (en) |
| AT (1) | AT305189B (en) |
| CH (1) | CH492530A (en) |
| DE (1) | DE1815115B2 (en) |
| DK (1) | DK125658B (en) |
| ES (1) | ES373420A1 (en) |
| FR (1) | FR2026321A1 (en) |
| GB (1) | GB1277507A (en) |
| NL (1) | NL6917121A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3867859A (en) * | 1974-02-06 | 1975-02-25 | John L Hirons | Machine for forming indicia for sand blasting |
| US4092890A (en) * | 1977-03-29 | 1978-06-06 | Etablissements Tiflex Societe Anonyme | Stencil-cutting machine |
| FR2567060B1 (en) * | 1984-07-06 | 1987-01-23 | Forest Line Sa | MATERIAL CUTTING DEVICE |
| US4685363A (en) * | 1985-05-22 | 1987-08-11 | Gerber Scientific, Inc. | Apparatus and method for supporting and working on sheet material |
| IT208211Z2 (en) * | 1986-10-07 | 1988-04-11 | Interdibipack Spa | IMPROVED EQUIPMENT FOR CUTTING SHEET MATERIALS THROUGH DIE CUTTER. |
| GB8821041D0 (en) * | 1988-09-07 | 1988-10-05 | Team Tool Co Ltd | Rotary die-cutting presses |
| US5012713A (en) * | 1989-12-18 | 1991-05-07 | Progressive Service Die Company | Die power pack for cutting apparatus |
| US20070292575A1 (en) * | 2004-09-23 | 2007-12-20 | Alon Ofir | Machinery And Method For Manufacturing Shaped Pita Bread |
| CN105256083B (en) * | 2015-10-23 | 2017-11-10 | 台州贝蕾丝电子商务有限公司 | A kind of ear muff crust conveying cutting mechanism |
| TWI730285B (en) * | 2016-02-23 | 2021-06-11 | 荷蘭商耐克創新有限合夥公司 | Manufacturing tool and method of manufacture utilizing a multi-frame manufacturing apparatus |
| CN113954139B (en) * | 2021-10-25 | 2023-07-04 | 盐城工学院 | Straw building board shaping cutting machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US835522A (en) * | 1905-01-19 | 1906-11-13 | Charles Leander Higgins | Rubber-cutting machine. |
| US2121004A (en) * | 1933-09-23 | 1938-06-21 | Detroit Gasket & Mfg Co | Method of cutting material |
| US2168400A (en) * | 1937-11-18 | 1939-08-08 | Cottrell C B & Sons Co | Method of separating blanks from sheet material |
| US2788069A (en) * | 1954-11-30 | 1957-04-09 | Cluett Peabody & Co Inc | Method and means of subdividing sheet material into pieces |
| US3077807A (en) * | 1962-07-23 | 1963-02-19 | Falls Engineering And Machine | Roller die apparatus |
| US3301110A (en) * | 1964-12-07 | 1967-01-31 | Blankmaster Inc | Means and method of roll forming and punching |
| US3570340A (en) * | 1968-02-13 | 1971-03-16 | Packaging Ind Inc | Roller diecutting machine or the like |
-
1968
- 1968-12-17 DE DE19681815115 patent/DE1815115B2/en active Granted
-
1969
- 1969-10-23 AT AT999369A patent/AT305189B/en not_active IP Right Cessation
- 1969-10-29 DK DK572669AA patent/DK125658B/en unknown
- 1969-11-11 ES ES373420A patent/ES373420A1/en not_active Expired
- 1969-11-13 NL NL6917121A patent/NL6917121A/xx unknown
- 1969-11-28 GB GB58254/69A patent/GB1277507A/en not_active Expired
- 1969-12-01 CH CH1784269A patent/CH492530A/en not_active IP Right Cessation
- 1969-12-02 FR FR6941608A patent/FR2026321A1/fr not_active Withdrawn
-
1971
- 1971-08-13 US US00171520A patent/US3800641A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1815115A1 (en) | 1970-09-10 |
| CH492530A (en) | 1970-06-30 |
| FR2026321A1 (en) | 1970-09-18 |
| US3800641A (en) | 1974-04-02 |
| NL6917121A (en) | 1970-06-19 |
| GB1277507A (en) | 1972-06-14 |
| DK125658B (en) | 1973-03-19 |
| AT305189B (en) | 1973-02-12 |
| ES373420A1 (en) | 1972-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |