JPH0972816A - Waterproof airtightness tester for electric wires - Google Patents
Waterproof airtightness tester for electric wiresInfo
- Publication number
- JPH0972816A JPH0972816A JP22794295A JP22794295A JPH0972816A JP H0972816 A JPH0972816 A JP H0972816A JP 22794295 A JP22794295 A JP 22794295A JP 22794295 A JP22794295 A JP 22794295A JP H0972816 A JPH0972816 A JP H0972816A
- Authority
- JP
- Japan
- Prior art keywords
- electric wire
- airtight
- airtight box
- waterproof
- test
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
(57)【要約】
【課題】 本発明は、複数本の芯線を集束してその周囲
に防水処理を施した電線の防水気密試験装置に関し、電
線を水中に浸漬する必要がなく、簡便に防水試験を実施
することのできる信頼性の高い電線の防水気密試験装置
を提供することを課題とする。
【解決手段】 試料装着台2の試料挿着孔9にグロメッ
トを介して電線を挿着し、気密箱1に試料装着台2を結
合して気密箱1内に気体供給部13から圧縮気体を充満
した後、該電線の防水処理部からの圧縮気体の漏出に伴
う気密箱1内の圧力変化を圧力検出部14から検出する
ことにより、電線の防水処理部の防水試験を行うように
している。
(57) Abstract: [PROBLEMS] To provide a waterproof and airtight test device for electric wires in which a plurality of core wires are bundled and waterproofed around the core wires, and the electric wires need not be immersed in water and can be easily waterproofed. An object of the present invention is to provide a highly reliable waterproof airtightness tester for electric wires that can carry out a test. An electric wire is inserted into a sample insertion hole 9 of a sample mounting base 2 via a grommet, and the sample mounting base 2 is connected to the airtight box 1 so that a compressed gas is supplied from a gas supply unit 13 to the airtight box 1. After filling, the pressure detecting unit 14 detects a pressure change in the airtight box 1 due to leakage of compressed gas from the waterproofing unit of the electric wire, thereby performing a waterproofing test of the waterproofing unit of the electric wire. .
Description
【0001】[0001]
【発明の属する技術分野】本発明は、複数本の芯線を集
束してその周囲に防水処理を施した電線の防水気密試験
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof airtightness test apparatus for electric wires in which a plurality of core wires are bundled and the periphery thereof is waterproofed.
【0002】[0002]
【従来の技術】一般に、電線の芯線は複数本を集束した
構造を採っているため、芯線相互間に若干の隙間を有し
ている。この隙間を通じて水や空気、ガス等の液体や気
体が侵入するので、図5に示すように、電線aの芯線b
相互間の隙間へ接着剤あるいはシリコン樹脂等を充填し
て防水または気密処理部b1 を形成することにより、液
体や気体の侵入を防止する防水処理を行っている。2. Description of the Related Art Generally, since the core wire of an electric wire has a structure in which a plurality of core wires are bundled, there is a slight gap between the core wires. Since liquids and gases such as water, air, and gas enter through this gap, as shown in FIG.
By filling the gaps between them with an adhesive or a silicone resin to form the waterproof or airtight treatment part b 1 , a waterproof treatment for preventing intrusion of liquid or gas is performed.
【0003】この防水処理を施した後、防水効果を試験
する方法として、従来、図6に示すような試験方法が採
られていた。この試験方法は、電線aに送気用チューブ
cを接続して、芯線bの防水または気密処理部b1 を水
dを充満した水槽e内に浸漬し、送気用チューブcを通
じて矢印方向へ圧縮空気を送り込み、防水または気密処
理部b1 から漏出する圧縮空気の気泡fの有無を目視し
て防水効果を確認していた。Conventionally, as a method of testing the waterproof effect after the waterproof treatment, a test method as shown in FIG. 6 has been adopted. In this test method, the air supply tube c is connected to the electric wire a, the waterproof or airtight portion b 1 of the core wire b is immersed in the water tank e filled with water d, and the air supply tube c is passed in the direction of the arrow. The waterproof effect was confirmed by sending compressed air and visually observing the presence or absence of bubbles f of compressed air leaking from the waterproof or airtight processing part b 1 .
【0004】しかし、上記の試験方法では、被試験品を
水中に浸漬するため、試験終了後に水を拭き取る必要が
あり、また、電線の端末に種々の電気部品が接続されて
いる場合は、その電気部品を被試験品の電線から取り外
す必要があるなど試験作業が煩雑となる問題点を有して
いる。However, in the above-mentioned test method, since the DUT is immersed in water, it is necessary to wipe off the water after the test is completed, and when various electric parts are connected to the end of the electric wire, the There is a problem that the test work becomes complicated, for example, it is necessary to remove the electric component from the electric wire of the DUT.
【0005】[0005]
【発明が解決しようとする課題】本発明は、上記の問題
点に着目してなされたもので、圧縮気体の圧力変化を利
用して試験を行うことにより、被試験品の電線を水中に
浸漬する必要がなく、簡便に防水試験を実施することの
できる信頼性の高い電線の防水気密試験装置を提供する
ことを課題とする。DISCLOSURE OF THE INVENTION The present invention has been made by paying attention to the above problems, and the electric wire of the DUT is immersed in water by conducting the test by utilizing the pressure change of the compressed gas. It is an object of the present invention to provide a highly reliable waterproof airtight test device for electric wires that can easily carry out a waterproof test without needing to perform the above.
【0006】[0006]
【課題を解決するための手段】前記の課題を達成するた
め、請求項1に記載した発明の電線の防水気密試験装置
は、気体供給部と圧力検出部とを備えた気密箱に、試料
挿着孔を貫設した試料装着台を分離自在に被装して成
り、該試料挿着孔に気密保持部材を介して電線を挿着す
ると共に該気密箱に該試料装着台を結合密閉し、該気密
箱内に気体供給部を通じて圧縮気体を充満した後、該電
線の防水処理部からの圧縮気体の漏出に伴う気密箱内の
圧力変化を該圧力検出部から検出することにより、電線
の防水処理部の防水試験を行うようにしたことを特徴と
する。In order to achieve the above-mentioned object, the waterproof airtightness tester for electric wires according to the first aspect of the present invention is arranged such that a sample is placed in an airtight box having a gas supply section and a pressure detection section. A sample mounting table having a through hole formed therein is detachably mounted, and an electric wire is inserted into the sample inserting hole through an airtight holding member and the sample mounting table is joined and sealed in the airtight box, After the compressed gas is filled in the airtight box through the gas supply unit, the pressure detection unit detects the pressure change in the airtight box due to the leakage of the compressed gas from the waterproofing unit of the electric wire, thereby waterproofing the electric wire. It is characterized in that a waterproof test of the processing part is performed.
【0007】請求項2に記載した発明の電線の防水気密
試験装置は、請求項1記載の気密箱および試料装着台を
減圧箱内に収納し、減圧下で該気密箱内の圧力変化を検
出するようにしたことを特徴とする。圧力検出部に、設
定した所定の圧力に基づく表示手段を設けることが好ま
しい(請求項3)。According to a second aspect of the present invention, there is provided a waterproof airtightness tester for electric wires, wherein the airtight box and the sample mounting base according to the first aspect are housed in a decompression box, and a pressure change in the airtight box is detected under reduced pressure. It is characterized by doing so. It is preferable that the pressure detection unit is provided with a display means based on the set predetermined pressure (claim 3).
【0008】本発明によれば、被試験品の電線を収納し
た気密箱内に圧縮気体を充満した後、気密箱内の圧力の
減少を検出することにより、電線の防水処理部の気密性
(防水性)を試験するようにしている。したがって、電
線を水中に浸漬する必要がなく、電線が濡れないため試
験操作の作業性が著しく向上すると共に、水中に浸漬す
ることのできない製品の防水試験にも適用することでき
る。According to the present invention, the airtightness of the waterproof portion of the electric wire is detected by detecting the decrease in the pressure in the airtight box after the compressed air is filled in the airtight box containing the electric wire of the DUT. (Waterproofness) is tested. Therefore, since it is not necessary to immerse the electric wire in water and the electric wire is not wet, the workability of the test operation is significantly improved, and it can be applied to a waterproof test of a product that cannot be immersed in water.
【0009】[0009]
【発明の実施の形態】以下、本発明の実施例について説
明する。図1は、本発明の実施例に係わる電線の防水気
密試験装置Aの構成を示す斜視図である。電線の防水気
密試験装置Aは、上方が開口した直方体形の気密箱1
と、気密箱1に被装する試料装着台2とから成り、気密
箱1の側壁1aには気体供給部3と圧力検出部4とが設
けられている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. FIG. 1 is a perspective view showing the configuration of a waterproof and airtight test device A for electric wires according to an embodiment of the present invention. The waterproof airtightness tester A for electric wires is a rectangular airtight box 1 with an open top.
And a sample mounting base 2 mounted on the airtight box 1, and a gas supply section 3 and a pressure detection section 4 are provided on a side wall 1a of the airtight box 1.
【0010】気密箱1のシール面1bには、図3にも示
すように、パッキン収容溝5が周設され、パッキン収容
溝5内にパッキン6を収容している。気密箱1の四方の
側壁(1a、1a′のみ図示)には、試料装着台2に設
けた係止爪7と係合して、締め付けるための緊締鉤8が
それぞれ設けられている。As shown in FIG. 3, a packing accommodating groove 5 is provided around the sealing surface 1b of the airtight box 1, and the packing 6 is accommodated in the packing accommodating groove 5. On the four side walls (only 1a and 1a 'are shown) of the airtight box 1, tightening hooks 8 for engaging with the locking claws 7 provided on the sample mounting table 2 and tightening are provided, respectively.
【0011】試料装着台2は、気密箱1の上に被せて気
密箱を密閉するための蓋を兼ねており、蓋板2aには複
数の試料挿着孔9が貫設されている。試料挿着孔9に
は、図2および図3に示すように、気密保持部材として
グロメット10を介して被試験品の電線Wを装着するよ
うにしてある。The sample mounting table 2 also serves as a lid for covering the airtight box 1 to seal the airtight box, and a plurality of sample insertion holes 9 are formed through the cover plate 2a. As shown in FIGS. 2 and 3, the sample insertion hole 9 is provided with the electric wire W of the DUT via the grommet 10 as an airtight holding member.
【0012】気体供給部3は、圧縮ポンプなどの高圧空
気源(図示せず)に高圧ホース11を介して接続された
レギュレータ12および操作バルブ13から成り、気密
箱1の側壁1aに付設された導入管14を通じて気密箱
1内に圧縮空気を送り込むようにしている。The gas supply unit 3 comprises a regulator 12 and an operation valve 13 which are connected to a high pressure air source (not shown) such as a compression pump via a high pressure hose 11, and is attached to a side wall 1a of the airtight box 1. Compressed air is sent into the airtight box 1 through the introduction pipe 14.
【0013】圧力検出部4は、気密箱1の側壁1aを貫
通して装着した圧力センサ15により、気密箱1内の圧
縮空気圧を検出して、気密箱1の外部に設置したデジタ
ル圧力計を備えた圧力表示部16にその検出値を表示す
るようにしてある。The pressure detecting unit 4 detects the compressed air pressure in the airtight box 1 by a pressure sensor 15 which penetrates the side wall 1a of the airtight box 1 to detect a digital pressure gauge installed outside the airtight box 1. The detected value is displayed on the pressure display unit 16 provided.
【0014】次に、電線の防水試験を行う過程について
説明する。先ず、図2に示すように、防水処理部Tを形
成した電線Wを、グロメット10に挿着する。グロメッ
ト10の上部から電線の末端W1 が突出し、グロメット
10の下部からは防水処理部Tが露出するように挿着す
る。Next, the process of conducting the waterproof test of the electric wire will be described. First, as shown in FIG. 2, the electric wire W having the waterproof portion T is inserted into the grommet 10. The end W 1 of the electric wire projects from the upper part of the grommet 10, and the waterproofing part T is exposed from the lower part of the grommet 10.
【0015】次いで、図3に示すように、電線Wを挿着
したグロメット10を試料装着台2の試料挿着孔9に装
着し、気密箱1内に電線Wの防水処理部Tが位置するよ
うに試料装着台2を載置し、気密箱1の緊締鉤8と試料
装着台2に設けた係止爪7とを係合して、気密箱1と試
料装着台2とを密閉する。Next, as shown in FIG. 3, the grommet 10 having the electric wire W inserted therein is mounted in the sample insertion hole 9 of the sample mounting base 2, and the waterproof treatment portion T of the electric wire W is positioned in the airtight box 1. Thus, the sample mounting table 2 is placed, and the tightening hooks 8 of the airtight box 1 and the locking claws 7 provided on the sample mounting table 2 are engaged with each other to seal the airtight box 1 and the sample mounting table 2.
【0016】気密箱1を密閉した後、気体供給部3の操
作バルブ13を開いて気密箱1内に圧縮空気を導入す
る。所定の圧力に達した時点で操作バルブ13が自動的
に閉じるようにしてある。すなわち、予め所定の圧力値
を設定しておき圧力表示部16に設定しておき、その圧
力値に到達したときに自動的に操作バルブ13が閉じる
ようにしている。After sealing the airtight box 1, the operation valve 13 of the gas supply unit 3 is opened to introduce compressed air into the airtight box 1. The operation valve 13 is automatically closed when a predetermined pressure is reached. That is, a predetermined pressure value is set in advance and set in the pressure display section 16, and the operation valve 13 is automatically closed when the pressure value is reached.
【0017】そのときの気密箱1内の圧力は、圧力表示
部16に表示されるが、電線Wの防水処理部Tに空気が
漏洩する空隙が存在すれば、その空隙を通じて圧縮空気
が気密箱1の外部へ漏出するので、気密箱1内の圧力は
漸次減少する。時間的経過による圧力の減少を測定する
ことにより、防水処理部Tの防水性を判定することがで
きる。予め所定の圧力値および経過時間などを設定し、
その設定値に基づいてブザーの発音や表示ランプの点灯
を行って試験結果の表示を行うようにすることにより、
自動的に防水性の判定を行うようにすることも可能であ
る。The pressure in the airtight box 1 at that time is displayed on the pressure display portion 16, but if there is a void in the waterproofing portion T of the electric wire W through which air leaks, the compressed air will pass through the void. 1 leaks to the outside, and the pressure in the airtight box 1 gradually decreases. By measuring the decrease in pressure over time, it is possible to determine the waterproofness of the waterproofing part T. Set a predetermined pressure value and elapsed time in advance,
By making the buzzer sound and turning on the display lamp based on the set value to display the test result,
It is also possible to automatically determine the waterproofness.
【0018】図4は、本発明の別の実施例に係わる電線
の防水気密試験装置Bを示す側断面図である。電線の防
水気密試験装置Bは、前記の電線の防水気密試験装置A
の気密箱1と試料装着台2を減圧箱17内に収納して試
験を行うようにした装置である。FIG. 4 is a side sectional view showing a waterproof airtightness testing apparatus B for electric wires according to another embodiment of the present invention. The electric wire waterproof airtightness test apparatus B is the electric wire waterproof airtightness test apparatus A described above.
This is an apparatus in which the airtight box 1 and the sample mounting table 2 are housed in a decompression box 17 to perform a test.
【0019】減圧箱17は、直方体形の収納部18と、
収納部18に対し着脱自在に設けられた蓋19とから成
り、図示していないが、前記気密箱1と試料装着台2と
を締め付けるための緊締鉤8および係止爪7と同様の構
造の緊締具がそれぞれ付設されており、気密箱1と試料
装着台2を収納して密閉するようにしてある。The decompression box 17 has a rectangular parallelepiped storage portion 18,
Although not shown, it comprises a lid 19 detachably attached to the storage portion 18, and has a structure similar to that of the tightening hook 8 and the locking claw 7 for tightening the airtight box 1 and the sample mounting base 2. Tightening tools are attached respectively, and the airtight box 1 and the sample mounting table 2 are housed and hermetically sealed.
【0020】収納部18の一方の側壁18aには、排気
管20が貫設され、負圧源としての排気ポンプ21が排
気管20に接続されている。他方の側壁18bから、気
密箱1の気体供給部3と圧力検出部4を導出している。
収納部18に蓋19を緊締した後、排気ポンプ21を運
転して減圧箱17内の気圧を低減して前記の電線の防水
気密試験装置Aの試験操作を行うと、気密箱1の外部が
通常の大気圧より低圧であるため、電線Wの防水処理部
Tから漏出する空気量が増大し、気密箱1内の圧力の減
少が容易に検出でき、防水処理部Tの防水性の判定が確
実となる利点がある。An exhaust pipe 20 is provided through one side wall 18a of the accommodating portion 18, and an exhaust pump 21 as a negative pressure source is connected to the exhaust pipe 20. The gas supply unit 3 and the pressure detection unit 4 of the airtight box 1 are led out from the other side wall 18b.
After the lid 19 is tightened in the storage portion 18, the exhaust pump 21 is operated to reduce the atmospheric pressure in the decompression box 17 to perform the test operation of the waterproof airtightness tester A for the electric wire. Since the pressure is lower than the normal atmospheric pressure, the amount of air leaking from the waterproof processing portion T of the electric wire W increases, and the decrease in the pressure inside the airtight box 1 can be easily detected, and the waterproofness of the waterproof processing portion T can be determined. There are certain advantages.
【0021】[0021]
【発明の効果】本発明によれば、電線を水中に浸漬する
必要がなく、電線が濡れないため試験操作の作業性が著
しく向上すると共に、水中に浸漬することのできない製
品の防水試験にも適用することできる。とくに、減圧箱
内に被試験品を装着した気密箱を収納して試験を行うこ
とにより、防水処理部に残存する僅かな隙間からの漏出
も検出でき、信頼性および操作性が著しく向上するなど
の多大な利点がある。According to the present invention, since it is not necessary to immerse the electric wire in water and the electric wire does not get wet, the workability of the test operation is remarkably improved, and the waterproof test of a product which cannot be immersed in water is performed. Can be applied. Especially, by carrying out the test by storing the airtight box in which the DUT is mounted inside the decompression box, it is possible to detect leaks from the slight gaps remaining in the waterproof part, and the reliability and operability are significantly improved. There are great advantages of.
【図1】本発明の実施例に係わる電線の防水気密試験装
置を分離して示した斜視図である。FIG. 1 is a perspective view showing separately a waterproof airtightness tester for electric wires according to an embodiment of the present invention.
【図2】図1の試料挿着孔に装着するグロメットに電線
を挿通した状態を示す正面図である。FIG. 2 is a front view showing a state in which an electric wire is inserted into a grommet mounted in the sample insertion hole of FIG.
【図3】図2のグロメットを装着した試料装着台を気密
箱に結合した状態を示す縦断面図である。FIG. 3 is a vertical cross-sectional view showing a state in which the sample mounting base equipped with the grommet of FIG. 2 is connected to an airtight box.
【図4】本発明の別の実施例に係わる電線の防水気密試
験装置を示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing a waterproof and airtight test device for electric wires according to another embodiment of the present invention.
【図5】電線の防水処理部を示す斜視図である。FIG. 5 is a perspective view showing a waterproof part of an electric wire.
【図6】従来の電線の防水処理部の防水試験を示す説明
図である。FIG. 6 is an explanatory diagram showing a waterproof test of a conventional waterproofing portion of an electric wire.
A、B 電線の防水気密試験装置 W 電線 1 気密箱 2 試料装着台 3 気体供給部 4 圧力検出部 9 試料挿着孔 10 気密保持部材 17 減圧箱 A, B Electric wire waterproof airtightness tester W Electric wire 1 Airtight box 2 Sample mounting table 3 Gas supply section 4 Pressure detection section 9 Sample insertion hole 10 Airtight holding member 17 Decompression box
Claims (3)
箱に、試料挿着孔を貫設した試料装着台を分離自在に被
装して成り、該試料挿着孔に気密保持部材を介して電線
を挿着すると共に該気密箱に該試料装着台を結合密閉
し、該気密箱内に気体供給部を通じて圧縮気体を充満し
た後、該電線の防水処理部からの圧縮気体の漏出に伴う
気密箱内の圧力変化を該圧力検出部から検出することに
より、電線の防水処理部の防水試験を行うようにしたこ
とを特徴とする電線の防水気密試験装置。1. An airtight box provided with a gas supply section and a pressure detection section is detachably mounted with a sample mounting base having a sample insertion hole penetrating therethrough, and an airtight holding member is provided in the sample insertion hole. After the electric wire is inserted through the airtight box, the sample mounting base is connected and sealed to the airtight box, and the compressed gas is filled in the airtight box through the gas supply unit, and then the compressed gas leaks from the waterproofing section of the electric wire. A waterproof airtightness test device for an electric wire, characterized in that a waterproofing test of the waterproofing part of the electric wire is performed by detecting a pressure change in the airtight box due to the pressure detection part.
を減圧箱内に収納し、減圧下で該気密箱内の圧力変化を
検出するようにしたことを特徴とする電線の防水気密試
験装置。2. A waterproof airtight test for an electric wire, characterized in that the airtight box and the sample mounting base according to claim 1 are housed in a vacuum box, and a pressure change in the airtight box is detected under reduced pressure. apparatus.
づく表示手段を設けたことを特徴とする請求項1または
請求項2記載の電線の防水気密試験装置。3. The waterproof airtightness test apparatus for an electric wire according to claim 1, wherein the pressure detection unit is provided with a display means based on a set predetermined pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07227942A JP3135038B2 (en) | 1995-09-05 | 1995-09-05 | Waterproof airtightness test equipment for electric wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07227942A JP3135038B2 (en) | 1995-09-05 | 1995-09-05 | Waterproof airtightness test equipment for electric wires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0972816A true JPH0972816A (en) | 1997-03-18 |
| JP3135038B2 JP3135038B2 (en) | 2001-02-13 |
Family
ID=16868702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07227942A Expired - Lifetime JP3135038B2 (en) | 1995-09-05 | 1995-09-05 | Waterproof airtightness test equipment for electric wires |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3135038B2 (en) |
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|---|---|---|---|---|
| WO2001033181A1 (en) * | 1999-11-01 | 2001-05-10 | Sumitomo Wiring Systems, Ltd. | Water cutoff tester for grommets |
| US6823719B2 (en) * | 2001-08-27 | 2004-11-30 | The Boeing Company | Method and apparatus to locally test pressure seal |
| JP2007220478A (en) * | 2006-02-16 | 2007-08-30 | Jtekt Corp | Manufacturing method of assembly |
| JP2008026202A (en) * | 2006-07-24 | 2008-02-07 | Yazaki Corp | Wire harness water-stop inspection device and water-stop inspection method |
| JP2009123573A (en) * | 2007-11-16 | 2009-06-04 | Yazaki Corp | Sealing material filling method and sealing material filling device |
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-
1995
- 1995-09-05 JP JP07227942A patent/JP3135038B2/en not_active Expired - Lifetime
Cited By (14)
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|---|---|---|---|---|
| WO2001033181A1 (en) * | 1999-11-01 | 2001-05-10 | Sumitomo Wiring Systems, Ltd. | Water cutoff tester for grommets |
| US6564617B1 (en) | 1999-11-01 | 2003-05-20 | Sumitomo Wiring Systems, Ltd. | Water cutoff tester for grommets |
| US6823719B2 (en) * | 2001-08-27 | 2004-11-30 | The Boeing Company | Method and apparatus to locally test pressure seal |
| JP2007220478A (en) * | 2006-02-16 | 2007-08-30 | Jtekt Corp | Manufacturing method of assembly |
| JP2008026202A (en) * | 2006-07-24 | 2008-02-07 | Yazaki Corp | Wire harness water-stop inspection device and water-stop inspection method |
| JP2009123573A (en) * | 2007-11-16 | 2009-06-04 | Yazaki Corp | Sealing material filling method and sealing material filling device |
| DE102016107216A1 (en) * | 2016-04-19 | 2017-10-19 | Lisa Dräxlmaier GmbH | Apparatus and method for leak testing a component of a wiring harness for a vehicle |
| DE102016107216B4 (en) | 2016-04-19 | 2022-12-01 | Lisa Dräxlmaier GmbH | Method and device for leak testing a component of a wiring harness for a vehicle |
| CN109141818A (en) * | 2018-09-24 | 2019-01-04 | 天津大学 | The concentration for being exclusively used in hydraulic depression tank instrument and meter line installs method |
| CN109141818B (en) * | 2018-09-24 | 2023-06-27 | 天津大学 | Centralized threading method special for instrument and meter wires of hydraulic pressure reducing box |
| CN114188078A (en) * | 2021-12-09 | 2022-03-15 | 安庆横电电缆有限公司 | Halogen-free oxygen-insulating fireproof power cable, manufacturing process and soaking testing mechanism |
| DE102022122386B3 (en) | 2022-09-05 | 2023-11-09 | Lisa Dräxlmaier GmbH | APPARATUS, CABLE HARNESS TESTING STATION AND METHOD FOR LEAK TEST |
| EP4332535A1 (en) * | 2022-09-05 | 2024-03-06 | Lisa Dräxlmaier GmbH | Device, wire harness inspection station and method for leak tightness inspection |
| WO2024130846A1 (en) * | 2022-12-21 | 2024-06-27 | 安徽顺信线缆有限公司 | Waterproof cable testing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3135038B2 (en) | 2001-02-13 |
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