DE2750982A1 - NON-RELEASABLE CONNECTION OF TWO OR MORE PARTS - Google Patents
NON-RELEASABLE CONNECTION OF TWO OR MORE PARTSInfo
- Publication number
- DE2750982A1 DE2750982A1 DE19772750982 DE2750982A DE2750982A1 DE 2750982 A1 DE2750982 A1 DE 2750982A1 DE 19772750982 DE19772750982 DE 19772750982 DE 2750982 A DE2750982 A DE 2750982A DE 2750982 A1 DE2750982 A1 DE 2750982A1
- Authority
- DE
- Germany
- Prior art keywords
- parts
- connection
- tool
- plastic
- shaped
- 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
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/07—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of multiple interengaging protrusions on the surfaces, e.g. hooks, 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/06—Non-loosenable joints for metal furniture parts
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
- B29C2045/14327—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles anchoring by forcing the material to pass through a hole in the article
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
- B29C2045/1454—Joining articles or parts of a single article injecting between inserts not being in contact with each other
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
Abstract
Description
Nichtlösbore Verbindung von zwei oder mehreren Teilen Non-releasable connection of two or more parts
Zum beispiel in Maschinengestellen müssen häufig plattenförmige Teile insbesondere winkelförmig miteinander verbunden werden. Dies geschieht z. B. durch Schweissen, Nieten oder Schrauben. Dies erfordert teilweise mehrere Arbeitsgdnge, wodurch das Maschinenge stell verteuert wird. Wenn eine besondere Prbzision einzuhalten ist, müssen zusdtzliche Maßnahmen zu deren Einhaltung getroffen werden. Außerdem nachteilig an den bekannten Verbindungen ist, daß ein Nachrichten erforderlich wird, um enge Toleranzen einhalten zu können. Ein weiterer Nachteil besteht darin, daß sich Körperschall von dem einen auf das andere Teil leicht übertrogt.For example, plate-shaped parts often have to be used in machine frames in particular are connected to one another at an angle. This happens e.g. B. by Welding, riveting or screwing. This sometimes requires several work steps, whereby the machine frame is alternately expensive. When to adhere to a special precision additional measures must be taken to ensure compliance. aside from that the disadvantage of the known connections is that a message is required, in order to be able to maintain tight tolerances. Another disadvantage is that Structure-borne noise is easily drowned out from one part to the other.
Es ist Aufgabe der Erfindung, diese Nachteile zu vermeiden. Es wird deshalb eine Verbindung nach dem Anspruch 1 vorgeschlagen.It is the object of the invention to avoid these disadvantages. It will therefore a connection according to claim 1 is proposed.
Diese Verbindung weist die vorstehenden Nachteile nicht auf, bietet jedoch im Bezug auf Stabilität und Sicherheit die gleichen Vorteile. Außerdem entfallen Nachrichtarbeiten und es ergibt sich eine hervorragende Geräuschdämpfung. Als geeignete Kunststoffe haben sich ABS-Kunststoffe bewahrt. In den Unteransprüchen sind bevorzugte Ausführungsformen der Erfindung behandelt.This connection does not have the above disadvantages but the same advantages in terms of stability and security. Also omitted Intelligence work and there is excellent noise attenuation. As suitable Plastics have retained ABS plastics. In the subclaims are preferred Treated embodiments of the invention.
Die Zeichnung veronsaulicht ein Ausführungsbeispiel in schematischer Darstellung. Es zeigt Figur 1 die Verbindung zweier Teile, teilweise im Schnitt und Figur 2 einen Schnitt nach A - B der Figur 1 Im Ausführungsbeispiel nach Figur 1 ist das eine Teil eine abge winkelte Metallplatte 1 und das andere Teil eine flache Platte 2.The drawing illustrates an exemplary embodiment in schematic form Depiction. It shows Figure 1 the connection of two parts, partially in section and FIG. 2 shows a section according to AB in FIG. 1 in the exemplary embodiment According to Figure 1, one part is a abge angled metal plate 1 and the other Part a flat plate 2.
Diese beiden Teile sollen miteinander verbunden werden. Die Teile 1 und 2 sind mit Durchbrüchen 3 bzw. 4 versehen, die dazu dienen, logegesichert in ein Spritzwerkzeug eingesetzt zu werden. Dieses Spritzwerkzeug ist auf der Zeichnung nicht dargestellt. Die Teile 1 und 2 sind außerdem mit Löchern 5 bzw. 6 versehen. Das erwähnte Werkzeug ist so ausgebildet, daß sich wdhrend des Spritzvorgangs Kunststoff leistenförmig entlang der Teile absetzt und dabei die Löcher 5 bzw. 6 durchdringt. Es ergibt sich somit beim AusfUhrungsbeispiel nach Figur 1 eine Außenleiste 7 und auf der Seite des Teiles 2 eine U-förmige Leiste 8; die die Verbindungskante des Teiles 2 U-fbrmig umgreift, wobei die Schenkel 9 und 10 durch Mbterielstücke 11 miteinander verbunden sind. Sofort danach, wenn die Teile verbunden tind und aus dem Werkzeug kommen, können sie weiterverarbeitet werden. Die DurchbrUche 3 bzw. 4 sorgen für eine exakte Lage der miteinander zu verbindenden Teile innerhalb des Werkzeuges während des Spritzvorgangs.These two parts should be connected to each other. The parts 1 and 2 are provided with openings 3 and 4, respectively, which are used to secure logging to be used in an injection mold. This injection tool is on the drawing not shown. Parts 1 and 2 are also provided with holes 5 and 6, respectively. The tool mentioned is designed in such a way that plastic is removed during the injection molding process strips down along the parts and thereby penetrates the holes 5 and 6. In the exemplary embodiment according to FIG. 1, there is thus an outer strip 7 and on the side of part 2, a U-shaped bar 8; which is the connecting edge of the Part 2 engages around U-shaped, the legs 9 and 10 by Mbterielteile 11 are connected to each other. Immediately afterwards, when the parts are connected and off come with the tool, they can be processed further. The breakthroughs 3 resp. 4 ensure an exact position of the parts to be connected within the Tool during the spraying process.
Wie aus der Zeichnung hervorgeht, laßt sich somit in einem Arbeitsgang eine auch komplizierte Verbindung herstellen, die die in der Einleitung aufgezählten Nachteile nicht aufweist. Selbstverstd.ndlich ist die Erfindung nicht auf das dargestellte Ausfuhrungs beispie' beschränkt. Die Erfindung kann mit gleichen Vorteilen z. B. auch dort verwendet werden, wo zwei Teile nicht winkelkörnig miseinander verbunden werden mUssen. Je nach der Ausbildung des Spritzwerkzeuges können bei einem WerkstUck nach Figur 1 die Verbindungen in einem oder in zwei Arbeitsgdngen durchgeführt werden. Dies hängt nicht zuletzt auch von der Größe der miteinander zu verbindenden Teile und damit den Werkzeugkosten ab. Die Löcher 5 bzw. 6 in den Teilen 1 und 2 müssen auch nicht, wie dargestellt, rund sein. In besonderen Fällen mag es vorteilhaft sein, sie drei-oder mehrkantig auszubilden oder ihnen sonst eine zweckmaßige Form zu geben. Im Bereich der Kanten 12 oder 13 der U-förmigen Schenkel 9 und 10 kann es angebracht sein, Abschrägungen vorzunehmen, insbesondere dann, wenn diese Kanten beim Einbau anderer Teile in das Maschinengestell stören würdenAs can be seen from the drawing, it can thus be done in one operation Establish a complex connection that those listed in the introduction Does not have any disadvantages. Of course, the invention is not limited to what is shown Execution example 'limited. The invention can be used with the same advantages, for. B. Can also be used where two parts are not connected to each other in an angular manner Need to become. Depending on the design of the injection molding tool, one workpiece according to Figure 1 the connections in one or in two steps be performed. This not least also depends on the size of each other parts to be connected and thus the tool costs. The holes 5 and 6 in the Parts 1 and 2 do not have to be round, as shown. In special cases it may be advantageous to make them three-edged or polygonal or some other kind of shape for them to give appropriate form. In the area of the edges 12 or 13 of the U-shaped legs 9 and 10, it may be appropriate to make bevels, especially when if these edges interfere with the installation of other parts in the machine frame
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2750982A DE2750982C3 (en) | 1977-11-15 | 1977-11-15 | Non-detachable connection of two or more parts |
SE7803915A SE7803915L (en) | 1977-11-15 | 1978-04-06 | INLOSABLE CONNECTION BETWEEN TWO OR SEVERAL PARTS |
CH397778A CH630446A5 (en) | 1977-11-15 | 1978-04-13 | Non-detachable connection of two or more parts |
JP13994178A JPS5499162A (en) | 1977-11-15 | 1978-11-15 | Nondecomposable bonding part in two or more parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2750982A DE2750982C3 (en) | 1977-11-15 | 1977-11-15 | Non-detachable connection of two or more parts |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2750982A1 true DE2750982A1 (en) | 1979-05-17 |
DE2750982B2 DE2750982B2 (en) | 1979-09-13 |
DE2750982C3 DE2750982C3 (en) | 1980-06-04 |
Family
ID=6023771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2750982A Expired DE2750982C3 (en) | 1977-11-15 | 1977-11-15 | Non-detachable connection of two or more parts |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5499162A (en) |
CH (1) | CH630446A5 (en) |
DE (1) | DE2750982C3 (en) |
SE (1) | SE7803915L (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3046776A1 (en) * | 1980-12-12 | 1982-07-15 | Klöckner-Humboldt-Deutz AG, 5000 Köln | ELEMENT FOR GAS-SEAL, UNLOADABLE CONNECTION OF TWO METAL PARTS |
WO2001038063A1 (en) * | 1999-11-25 | 2001-05-31 | Bayer Aktiengesellschaft | Plastic composite unit |
EP1163992A3 (en) * | 2000-06-15 | 2002-08-21 | Bayer Ag | Plastic-metal composite member and method for its manufacturing |
EP1539538A2 (en) * | 2002-07-25 | 2005-06-15 | General Electric Company | Method of attaching plastic to a metal section and part made thereby |
FR2866838A1 (en) * | 2004-02-27 | 2005-09-02 | Metaltemple | Mechanical component e.g. for gearbox has two or more parts assembled by one-piece polymer or metal over-moulding |
WO2007038912A1 (en) * | 2005-10-04 | 2007-04-12 | Webasto Ag | Supporting frame, in particular for a roof system for a motor vehicle field |
WO2007128395A2 (en) | 2006-05-04 | 2007-11-15 | Lanxess Deutschland Gmbh | Lightweight component with a hybrid construction |
DE102007006493A1 (en) | 2007-02-09 | 2008-08-14 | Lanxess Deutschland Gmbh | Lightweight component in hybrid construction |
DE202008015400U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | dashboard |
DE202008015401U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | seat structures |
DE202008015398U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | oil pan |
DE202008015394U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | Rail structure |
DE202008015399U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | roof structure |
DE202008015392U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | pedal structure |
DE202008015396U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | chassis structure |
DE202008015395U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | Front-end structure |
DE202008015397U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | pillar structure |
DE202008015391U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | Door and flap structures |
DE102008058224A1 (en) | 2008-11-19 | 2010-05-20 | Lanxess Deutschland Gmbh | Component from reinforcing structure having base body from aluminum, useful e.g. in automobiles, where reinforcing structure is connected with base body and consists of thermoplast, which is polymer-molded mass comprising e.g. polyamide |
DE102008058225A1 (en) | 2008-11-19 | 2010-07-08 | Lanxess Deutschland Gmbh | Lightweight component in hybrid construction |
DE102011100050A1 (en) * | 2011-04-29 | 2012-10-31 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Supporting element, particularly roof stick, for motor vehicle body, has shell part, where injection-molded reinforcing structure, made of plastic, is provided in cavity of shell part |
WO2020257673A1 (en) * | 2019-06-21 | 2020-12-24 | Magna Exteriors Inc. | Metal rib overmolding joining |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6382888B2 (en) * | 2016-06-09 | 2018-08-29 | Nissha株式会社 | Electrode pattern integrated molded product and manufacturing method thereof |
-
1977
- 1977-11-15 DE DE2750982A patent/DE2750982C3/en not_active Expired
-
1978
- 1978-04-06 SE SE7803915A patent/SE7803915L/en unknown
- 1978-04-13 CH CH397778A patent/CH630446A5/en not_active IP Right Cessation
- 1978-11-15 JP JP13994178A patent/JPS5499162A/en active Pending
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3046776A1 (en) * | 1980-12-12 | 1982-07-15 | Klöckner-Humboldt-Deutz AG, 5000 Köln | ELEMENT FOR GAS-SEAL, UNLOADABLE CONNECTION OF TWO METAL PARTS |
WO2001038063A1 (en) * | 1999-11-25 | 2001-05-31 | Bayer Aktiengesellschaft | Plastic composite unit |
EP1163992A3 (en) * | 2000-06-15 | 2002-08-21 | Bayer Ag | Plastic-metal composite member and method for its manufacturing |
EP1539538A2 (en) * | 2002-07-25 | 2005-06-15 | General Electric Company | Method of attaching plastic to a metal section and part made thereby |
EP1539538A4 (en) * | 2002-07-25 | 2007-07-25 | Gen Electric | Method of attaching plastic to a metal section and part made thereby |
US7449137B2 (en) | 2002-07-25 | 2008-11-11 | General Electric Company | Method of attaching plastic to a metal section and part made thereby |
FR2866838A1 (en) * | 2004-02-27 | 2005-09-02 | Metaltemple | Mechanical component e.g. for gearbox has two or more parts assembled by one-piece polymer or metal over-moulding |
WO2007038912A1 (en) * | 2005-10-04 | 2007-04-12 | Webasto Ag | Supporting frame, in particular for a roof system for a motor vehicle field |
WO2007128395A2 (en) | 2006-05-04 | 2007-11-15 | Lanxess Deutschland Gmbh | Lightweight component with a hybrid construction |
DE102007006493A1 (en) | 2007-02-09 | 2008-08-14 | Lanxess Deutschland Gmbh | Lightweight component in hybrid construction |
DE202008015398U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | oil pan |
DE202008015395U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | Front-end structure |
DE202008015400U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | dashboard |
DE202008015394U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | Rail structure |
DE202008015399U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | roof structure |
DE202008015392U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | pedal structure |
DE202008015396U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | chassis structure |
DE202008015401U1 (en) | 2008-11-19 | 2010-04-08 | Lanxess Deutschland Gmbh | seat structures |
DE202008015397U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | pillar structure |
DE202008015391U1 (en) | 2008-11-19 | 2010-04-22 | Lanxess Deutschland Gmbh | Door and flap structures |
DE102008058224A1 (en) | 2008-11-19 | 2010-05-20 | Lanxess Deutschland Gmbh | Component from reinforcing structure having base body from aluminum, useful e.g. in automobiles, where reinforcing structure is connected with base body and consists of thermoplast, which is polymer-molded mass comprising e.g. polyamide |
DE102008058225A1 (en) | 2008-11-19 | 2010-07-08 | Lanxess Deutschland Gmbh | Lightweight component in hybrid construction |
US8080296B2 (en) | 2008-11-19 | 2011-12-20 | Lanxess Deutschland Gmbh | Lightweight component of hybrid design |
US8383242B2 (en) | 2008-11-19 | 2013-02-26 | Lanxess Deutschland Gmbh | Lightweight component of hybrid |
DE102011100050A1 (en) * | 2011-04-29 | 2012-10-31 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Supporting element, particularly roof stick, for motor vehicle body, has shell part, where injection-molded reinforcing structure, made of plastic, is provided in cavity of shell part |
WO2020257673A1 (en) * | 2019-06-21 | 2020-12-24 | Magna Exteriors Inc. | Metal rib overmolding joining |
Also Published As
Publication number | Publication date |
---|---|
CH630446A5 (en) | 1982-06-15 |
DE2750982B2 (en) | 1979-09-13 |
SE7803915L (en) | 1979-05-16 |
DE2750982C3 (en) | 1980-06-04 |
JPS5499162A (en) | 1979-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |