WO2005011070A1 - 端子の挿入量検査装置 - Google Patents
端子の挿入量検査装置 Download PDFInfo
- Publication number
- WO2005011070A1 WO2005011070A1 PCT/JP2004/010749 JP2004010749W WO2005011070A1 WO 2005011070 A1 WO2005011070 A1 WO 2005011070A1 JP 2004010749 W JP2004010749 W JP 2004010749W WO 2005011070 A1 WO2005011070 A1 WO 2005011070A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- connector
- signal
- insertion amount
- connector housing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
- H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Definitions
- the present invention relates to a terminal insertion amount inspection device and a terminal insertion amount confirmation method capable of directly determining an insertion amount of a cable having a terminal fixed to an end into the connection housing.
- the end of the wire harness is often a connector housing
- this type of conventional device holds the connector housing so that it can reciprocate in the direction in which the terminal is pulled out, urges it with a spring in the direction of inserting the terminal, and the connector housing has the elasticity of the panel.
- a microswitch that operates when moved by staking with a force was provided (for example, Patent Document 1).
- Patent Document 1 A microswitch that operates when moved by staking with a force was provided (for example, Patent Document 1).
- Patent Documents 2, 3, 4 Alternatively, by providing a separate piece or a movable part in the connector, if the terminal is not completely inserted, the movable part will not fit in the specified position and the incomplete insertion will be detected.
- Patent Document 1 JP-A-9-1880851
- Patent Document 3 Japanese Patent Application Laid-Open No. 2000-67079
- Patent Document 4 Japanese Patent Application Laid-Open No. H10-109996
- the present invention has been made in view of the above-described problems, and has a simple configuration and is capable of directly detecting the amount of input to a connector in a wire harness manufacturing process without contacting the terminal without damaging the terminal.
- the manufacturing process of the wire harness it is possible to determine whether the terminal is not properly attached to the connector and to provide a highly reliable wire harness without going through a special inspection process. aimed to.
- the following configuration is provided as one means for achieving the object.
- a terminal insertion amount inspection device capable of inspecting an insertion amount of a terminal to which an AC signal is applied into a connector housing, wherein the AC signal from the terminal mounted in the connector housing is detected.
- At least one pair of conductive plates that are disposed near and parallel to each other in the vicinity of the bottom surface of the connector housing; and a test signal value from each of the conductive plates and a relative value based on a distance between the conductive plates.
- Discriminating means for discriminating the insertion amount of the terminal to which the test signal is applied into the connector housing by setting the value as a value, wherein the discriminating means comprises a relative value of each detection signal of the pair of conductive plates. The distance between the terminal to which the AC signal is applied and the pair of conductive plates is determined based on the detected value, and the mounting position of the terminal in the connector housing is inspected. To.
- the discriminating means may detect (Vn 2) / (V n) for a detection signal value V nl, Vn 2 from the terminal inserted up to a predetermined reference position from the pair of conductive plates nl, n 2. n 1-V n 2) as a reference value, and comparing the reference value with (Vn 2) / (Vn 1 -Vn 2) for detection signal values Vn 1 and Vn 2 when the terminal under test is inserted, and The insertion amount of the terminal to which the signal is applied into the connector housing is inspected.
- FIG. 1 is a schematic diagram for explaining a basic principle of a terminal attachment state checking device for detecting a terminal attachment state to a connector according to an embodiment of the present invention.
- FIG. 2 shows a device for checking the mounting state of the terminals with respect to the connector of the present embodiment.
- 6 is a flowchart for explaining a mounting inspection method in the device.
- FIG. 3 is a diagram for explaining a state in which the terminals are mounted in the connector housing.
- the terminal insertion amount inspection device is configured to insert a terminal into a connector housing. This is a device that can determine the insertion depth of the terminal into the housing in a non-contact manner with the connector housing and the terminal. If the device of the present embodiment is used, the terminal is mounted on the connector in the manufacturing process of the wire eighteenness. Sometimes it can be determined whether or not the terminal has been correctly inserted, and it is not necessary to check whether or not the terminal has been securely inserted into the connector in a later process.
- FIG. 1 is a schematic diagram for explaining the basic principle of a terminal insertion amount inspection device for detecting the terminal insertion amount into a connector according to an embodiment of the present invention.
- reference numeral 10 denotes a connector housing (hereinafter, referred to as a “connector”) that constitutes an end of a wire harness to be inspected.
- a predetermined position in the connector 10 has a predetermined specification.
- One end terminal of the cutting piezoelectric wire 300 is mounted.
- the cutting piezoelectric wire 300 to be attached to this connector is cut in advance to a predetermined length according to the specification, and a terminal of a predetermined specification to be mounted in the connector 10 is fixed to an end portion by crimping, for example. .
- FIG. 1 Is a Z-axis sensor plate in which two conductive plates arranged close to each other are positioned at a certain distance away from each other so as to be almost parallel.
- sensor plates are formed on both sides of an insulating sheet
- the present invention is not limited to the above example, and may be positioned, for example, at a position separated by a predetermined distance.
- the signal from the terminal is detected by the Z-axis sensor plates 40a and 40b, and Vzl, Vz2 Is obtained. Specifically, a detection signal that is inversely proportional to the distance from the terminal is detected.
- Reference numeral 100 denotes an inspection control unit that controls the inspection apparatus
- 180 denotes a display control unit.
- the light emitting element at the housing position emits light.
- Reference numeral 200 denotes an insertion position indicating unit in which LEDs are respectively arranged at positions that are the bottom positions of the connector holes when positioned on the bottom surface of the connector housing.
- Reference numeral 500 denotes, for example, a connector holding portion provided on a work table (not shown).
- the connector holding portion 500 has a storage portion 550 for storing and holding the connector 10.
- the connector is housed in the section 550 and the terminal mounting work is performed.
- the above-described Z-axis sensor plates 40a and 40b are positioned at the bottom of the connector holding portion 550.
- a pair of Z-axis sensor plates 40 a In the inspection control unit 100 of the present embodiment, a pair of Z-axis sensor plates 40 a,
- the detection voltage of the Z-axis sensor Therefore, for example, even if a hole is partially provided or a notch is partially formed, the effect on the detection result is negligible and can be almost ignored.
- 1 15 and 1 16 are amplifiers that amplify the detection signals from the Z-axis sensor plates 40 a and 40 b, and 1 25 and 1 26 are the respective Z-axis sensors. Peak detection circuits E and F for detecting peak values of detection signals Vz1 and Vz2 from the sensor plates 40a and 40b.
- Reference numeral 133 denotes a Z-axis subtraction circuit that inputs a detection peak signal from the Z-axis sensor plates 40a and 40b and outputs a difference (Vz1-Vz2) between the detection values.
- 1 4 3 uses the Z-axis difference signal (V z 1—V z 2) from the Z-axis subtraction circuit 1 3 3 as the denominator and uses the detection signal (V z 2) from the Z-axis sensor board 40 b as the numerator ⁇ V z 2 / (V z 1—V z 2) ⁇ .
- the output of the Z-axis divider circuit 1 43 represents the relative change in the detection signals of the Z-axis sensor boards 40a and 4Ob, and the terminal fixed to the wire to which the inspection signal to be inspected was applied Thus, the influence of the change in the intensity of the test signal can be offset.
- the output of the Z-axis division circuit 143 has a signal level proportional to the distance of the inserted terminal from each of the Z-axis sensor boards 40a and 40b.
- the insertion depth of the terminal when the terminal moves from the upper surface of the connector to the lower surface can be surely and securely. It is possible to detect with high accuracy. For this reason, it is possible to detect from the output of the Z-axis division circuit 144 how much the terminal has been inserted into the connector 10, and directly detect in a non-contact manner whether or not the terminal has been inserted to the correct mounting position.
- the above circuit configuration is based on the Z-axis sensor plate.
- the Z-axis sensor 4 Ob is located on the back side of the Z-axis sensor 40a as viewed from the connector side, but the connector 10 is formed of a non-conductive material. Since the sensor plates 40a and 4Ob are both maintained in a high-impedance state, the detection value of the AC signal from the terminal of the Z-axis sensor 40b is slightly affected by the Z-axis sensor 40a. The effect of the AC signal from the terminal is not interrupted by the Z-axis sensor plate 40a, and a constant level value can be reliably detected. As a result, the relative relationship between the detection values of the Z-axis sensor 40a and the Z-axis sensor 40b is determined only by the terminal insertion position, and the terminal insertion position in the connector 10 can be detected almost accurately.
- the detection level of the test signal from the conductive plate is a value that is inversely proportional to the distance between each input terminal. It becomes. Therefore, the reciprocal operation values (1ZVz1) and (lZVz2) are values proportional to the distance to the terminal, respectively. Therefore, these differences ⁇ (1_Vz 1) — (1 / Vz 2) ⁇ correspond to the distance (reference distance) between the conductive plates 40 a and 40 b. Therefore, [1Z ⁇ (1 / Vz 1)-(l / Vz 2) ⁇ ) / Vz 1 indicates the ratio of (lZVz 1) to the reference distance, and absorbs the constant variation related to the supply inspection signal. are doing. The result of this ratio is a quantity proportional to the distance, which is optimal for use in inspections.
- a detection result specific to the terminal insertion depth is obtained from the output of the Z-axis division circuit 143 when the terminal is inserted.
- the detection error of the insertion depth in the present embodiment is extremely small, and the accuracy of 100 m or more required for determining whether or not the terminal is inserted into the current connector can be surely secured.
- FIG. 2 is a flowchart for explaining a mounting inspection method in the terminal insertion amount inspection apparatus for the connector according to the present embodiment.
- step S1 the connector 10 constituting the end of the wire harness is inserted into the connector storage section 550 of the connector holding section 500 located above the insertion position indicating section 200 of the apparatus of the present embodiment. Position and store. This may be manually positioned and stored, or automatically positioned and stored by a work robot. When the storage of the connector 10 is correctly performed, this may be detected, and the process may proceed to step S2 and subsequent steps.
- an AC test signal of a predetermined frequency is first supplied to the cutting piezoelectric wire 300 to be inserted into the connector 10 as shown in step S2.
- step S3 the insertion position indicating section 200 is driven to correspond to the insertion position of the terminal of the cutting piezoelectric wire 300 to be inserted into the connector 10 first.
- the light emitting element emits light.
- the worker who mounts the terminal on the connector can directly check the mounting position on the connector 10 through the holes of the Z-axis sensor plates 40a and 40b without moving the line of sight.
- the processing in step S2 and the processing in step S3 may be performed in reverse order.
- step S4 the inspection control section 100 is driven to start detecting the terminal input amount.
- the inspection control unit 100 starts the peak detection of the detection signal from the peak detection circuits E and F (125, 126) by the above-described operation.
- the worker inserts the terminal into the desired position of the connector and mounts the terminal.
- the detection result of each sensor board is obtained, and the amount of terminal insertion (depth of insertion) into the connector is detected from the detected peak value.
- FIG. 3 shows a state in which the terminal fixed to the end of the cutting piezoelectric wire according to the present embodiment is inserted into the connector housing.
- FIG. 3 is a diagram for explaining a terminal mounting state in the connector housing.
- the connector housing 10 housed in the connector holding section 500 is formed so as to have a rectangular shape as a whole, and a plurality of cavities 12 are formed therein in two steps. I have.
- Each cavity 12 has a shape penetrating through the inside of the connector, and terminals 13a and 13b fixed to one end of the piezoelectric wire 300 are cut into each cavity 12 so that the rear side of the connector (FIG.
- a lance 14 is provided integrally with the connector housing 10 to secure the terminals 13a and 13b in a locked state.
- the lance 14 has a flexible shape with a locking portion near the tip, and has a resiliently deformable protruding piece shape.
- the cavity 12 has a lance 14 for allowing elastic deformation of the lance 14 to the inside of the terminal.
- a bending space 1 2 a. Is formed.
- the terminal 1 When these terminals 13a and 13b are inserted into the cavity 12, the terminal 1 When the ends of 3a and 13b abut against the lance 14 and bend it elastically to the side of the space 12a, the terminal 13 is inserted to the specified position (the innermost part) of the cavity 12.
- the lance 14 that has been elastically deformed during the insertion enters the engaging hole of the terminal 13 and returns to the original position, and the engaging portion is engaged with the engaging hole. a, 13b can be prevented from coming off. If the insertion is insufficient, the lance 14 will not be engaged and the insertion will be defective.
- the terminal 13 a inserted into the connector 10 is fully inserted into the lance 14 with the terminal 13 a inserted into the “normal position”.
- the terminal 13b shown on the left side does not reach the "regular position", but is inserted up to the point where the lance 44 has been deformed to the flexible space 42a side (not inserted). (Sufficient state).
- step S5 the inspection control unit 100 determines that the end terminal of the cut-off piezoelectric wire to which the AC signal is applied is inserted at a predetermined insertion position. Judge whether the insertion to the depth is detected.
- the detection of the completion of attachment of this terminal to the connector 10 is performed, for example, by checking whether a certain period of time has elapsed after the peak detection voltage Z (the value after calculation) of the Z-axis sensor plate 40a has exceeded a predetermined value. It is desirable to judge by whether or not.
- detection signal values when a normal terminal is inserted into a normal position are measured in advance, and these measured detection signal values are used as reference thresholds to determine whether the detection signal value is within the range of the threshold or outside the range. Can be used to judge the quality.
- step S5 the terminal of the cutting piezoelectric wire to which the AC signal is applied is If it is not detected that the insertion has reached the specified insertion depth position, the process proceeds to step S6, and the cause of the failure is identified.
- step S7 the operator is notified of the occurrence of the defect and the cause thereof.
- the occurrence of a failure is indicated by an alarm sound and a blinking display of an error location, and a cause is displayed on a display panel (not shown), for example.
- step S5 the inspection control unit 100 determines that the AC signal has been applied to the end terminal of the piezoelectric wire. If it is detected that the insertion depth has been reached to an appropriate position, the process proceeds to step S10, and it is determined whether or not all of the terminals have been mounted on the connector 10. If the mounting of the terminals to the connector 10 has been completed, this is reported by, for example, an end sound, and the mounting of the terminals to the connector concerned is completed.
- step S10 if all of the terminals have not been mounted on the connector 10, the process proceeds to step S15, and the position where the next cutting piezoelectric wire to be mounted is housed in the connector 10 is specified. Go to step S2.
- an AC inspection signal value proportional to the distance from the sensor plate to the terminal is obtained.
- the output of the Z-axis divider circuit 144 when the terminal is inserted is a detection result specific to the terminal insertion depth (insertion amount), which greatly affects the reliability of the wire harness. Certain cut-off It is possible to detect the insertion depth of the terminal of the piezoelectric wire in a completely non-contact manner.
- the relative values of the detection signals of the paired sensor plates in the inspection control unit 100 can be checked. For example, by using the difference value, it is possible to control the inspection signal (AC signal) applied to the cutting piezoelectric wire so that it does not fluctuate or have the effect of fluctuations. Minimized, highly reliable equipment can be provided.
- the amount of terminal insertion can be inspected in a wire harness manufacturing process without contacting with a cutting piezoelectric wire without damaging the terminal.
- High wire harness can be provided.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003279923A JP4069321B2 (ja) | 2003-07-25 | 2003-07-25 | 端子の挿入量検査装置 |
JP2003-279923 | 2003-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005011070A1 true WO2005011070A1 (ja) | 2005-02-03 |
Family
ID=34100838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010749 WO2005011070A1 (ja) | 2003-07-25 | 2004-07-22 | 端子の挿入量検査装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4069321B2 (ja) |
KR (1) | KR100876793B1 (ja) |
CN (1) | CN100555771C (ja) |
WO (1) | WO2005011070A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5051094B2 (ja) * | 2008-10-15 | 2012-10-17 | 住友電装株式会社 | 端子挿入不良判定方法 |
JP5971763B2 (ja) * | 2013-04-17 | 2016-08-17 | 株式会社リガク | X線光学部品装置及びx線分析装置 |
CN105449469B (zh) * | 2015-12-24 | 2019-04-05 | 北京新能源汽车股份有限公司 | 电连接器和车辆 |
JP6590863B2 (ja) * | 2017-06-06 | 2019-10-16 | 矢崎総業株式会社 | 端子挿入方法及び端子挿入装置 |
CN110466354A (zh) * | 2019-08-29 | 2019-11-19 | 珠海广通汽车有限公司 | 连接器状态确定方法及相关装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09180851A (ja) * | 1995-12-25 | 1997-07-11 | Sumitomo Wiring Syst Ltd | コネクタハウジングへの電線端子の挿入状態確認装置 |
JP2004264273A (ja) * | 2003-02-28 | 2004-09-24 | Oht Inc | 導体位置検査装置及び導体位置検査方法 |
-
2003
- 2003-07-25 JP JP2003279923A patent/JP4069321B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-22 WO PCT/JP2004/010749 patent/WO2005011070A1/ja active Application Filing
- 2004-07-22 KR KR1020067001596A patent/KR100876793B1/ko not_active IP Right Cessation
- 2004-07-22 CN CNB200480020020XA patent/CN100555771C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09180851A (ja) * | 1995-12-25 | 1997-07-11 | Sumitomo Wiring Syst Ltd | コネクタハウジングへの電線端子の挿入状態確認装置 |
JP2004264273A (ja) * | 2003-02-28 | 2004-09-24 | Oht Inc | 導体位置検査装置及び導体位置検査方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20060086933A (ko) | 2006-08-01 |
JP4069321B2 (ja) | 2008-04-02 |
CN1823454A (zh) | 2006-08-23 |
CN100555771C (zh) | 2009-10-28 |
JP2005044725A (ja) | 2005-02-17 |
KR100876793B1 (ko) | 2009-01-09 |
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