CN110542953A - Sealing system of optical fiber connector - Google Patents
Sealing system of optical fiber connector Download PDFInfo
- Publication number
- CN110542953A CN110542953A CN201910891534.0A CN201910891534A CN110542953A CN 110542953 A CN110542953 A CN 110542953A CN 201910891534 A CN201910891534 A CN 201910891534A CN 110542953 A CN110542953 A CN 110542953A
- Authority
- CN
- China
- Prior art keywords
- locking
- sealing
- self
- sealing system
- main body
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 151
- 239000013307 optical fiber Substances 0.000 title claims abstract description 26
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Abstract
The invention discloses a sealing system of an optical fiber connector, which comprises a sealing system main body and a sealing assembly, wherein the sealing system main body comprises a sealing fixing part and a locking connecting part, the sealing fixing part is fixedly connected with the sealing assembly, the locking connecting part is integrally formed with a locking part, and an insertion gap is formed between the locking part and the locking connecting part. The sealing system has the advantages of quick installation, simple structure, simple production process, convenience in controlling the product quality, difficulty in being influenced by severe environment and the like.
Description
Technical Field
The invention relates to the technical field of sealing of optical fiber connectors, in particular to a sealing system of an optical fiber connector.
Background
The optical fiber connector is a device for detachable connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so that light energy output by a transmitting optical fiber can be coupled into a receiving optical fiber to the maximum extent, and the optical fiber connector influences the reliability and various performances of a transmission system to a certain extent. However, under harsh dusty, wet and impact conditions, fiber optic connectors are often damaged and destroyed, and therefore, the connectors need to be hermetically protected.
In view of the prior art, such as shown in U.S. patent No. US7338214B1, published 3/4 in 2008, an optical fiber connector sealing device may have an inner body configured as a plug body and an outer body configured as a housing having a bayonet-type locking portion. In the plug main body and the mating housing, a standard connector is securely mounted at a predetermined position in the housing. The connector sealing system shown in this patent document has problems that: if no large space is available, they are cumbersome to handle, especially if the mating connector to which the connector is to be coupled is located on the circuit board. This is particularly the case if the mating connector is part of, for example, an amplifier or transceiver component.
In order to overcome the problems, the applicant of the present invention provides a patent application with application number 201520392984.2, named as a sealing protection box of an optical fiber connector, which has the advantages of simple structure, quick locking, strong practicability and good sealing and installation problems. However, in practical use, it is found that the locking component is loosened after long-term use, which affects the connection and sealing effect, and the connector part cannot obtain an ideal protection effect.
On the basis of this, the applicant has further proposed a patent application with application number 201620290677.8, entitled connector protection box, comprising: the sealing system comprises a sealing system main body, a first locking mechanism and a second locking mechanism, wherein the sealing system main body comprises a self-locking element mounting surface; the self-locking element is sleeved on the outer side of the sealing system main body, a second locking mechanism is arranged on the inner surface of the self-locking element, and the first locking mechanism and the second locking mechanism realize locking; and the anti-reverse mechanism is used for preventing the self-locking element from reversing and loosening, and is sleeved on the outer side of the sealing system main body. Although this solution makes it possible to achieve the prevention of the reverse loosening, it is prone to faults, such as damage to the connector or incomplete sealing, due to the number of components and the difficulty of handling, and the many steps required for its field assembly in the case of time-critical and space-limited conditions.
Disclosure of Invention
The present invention is directed to overcome the drawbacks of the prior art, and provides a sealing system for an optical fiber connector, which has a simple structure to achieve quick installation of the optical fiber connector.
In order to achieve the purpose, the invention provides the following technical scheme: the sealing system comprises a sealing system main body and a sealing assembly, wherein the sealing system main body comprises a sealing fixing part and a locking connecting part, the sealing fixing part and the locking connecting part are respectively arranged at two ends of the sealing system main body, the sealing fixing part is fixedly connected with the sealing assembly, the locking connecting part is integrally formed with the locking part, and an insertion gap is formed between the locking part and the locking connecting part.
Preferably, the sealing system further comprises a first sealing ring circumferentially fixed to the locking connection portion.
preferably, the locking part is provided with a self-locking limiting structure.
Preferably, the self-locking limiting structure is a self-locking limiting groove, and the self-locking limiting groove comprises a self-locking inlet and a self-locking limiting part which are communicated with each other.
Preferably, the locking portion is located outside the locking connection portion.
Preferably, the locking portion is disposed around the locking connection portion, and one end of the locking portion, which is close to the sealing assembly, is integrally formed with the locking connection portion, and an insertion opening is formed between the other end of the locking portion and the locking connection portion.
Preferably, seal assembly is including pressing from both sides cage, sealing rubber pad and screw cap, sealing rubber pad installs press from both sides in the cage, press from both sides the cage and be located in the screw cap, just press from both sides the one end of cage with the inner wall of sealed fixed part links to each other, the one end of screw cap with the outer wall threaded connection of sealed fixed part.
Preferably, a second sealing ring is arranged between the clamping cage and the inner wall of the sealing fixing portion, and a third sealing ring is arranged between the threaded cover and the outer wall of the sealing fixing portion.
Preferably, the sealing system is used for connecting external equipment, the external equipment is provided with a main body connecting portion, the main body connecting portion are inserted into the insertion gap, the main body connecting portion is provided with a self-locking limiting protrusion, and the self-locking limiting protrusion enters from the self-locking inlet and is limited in the self-locking limiting portion.
Preferably, an optical fiber medium is arranged in the sealing rubber gasket.
The invention has the beneficial effects that: the locking part is integrally formed at one end of the sealing system main body, so that the sealing system is convenient to be quickly connected with external equipment and is simple to operate; the other end is connected with a sealing component, and the sealing component automatically tightens to compress and seal the optical fiber medium. The sealing system has the advantages of high mechanical connection reliability, quick installation, simple structure, simple production process, convenience in controlling the product quality, difficulty in being influenced by severe environment and the like, and can more effectively protect the internal connector, for example, the requirements of plugging and unplugging times of more than 25 times and the bearing of pulling force of more than 200N are met.
Drawings
FIG. 1 is a schematic perspective view of the assembled sealing system of the present invention;
FIG. 2 is a schematic view of a split structure of the sealing system of the present invention connecting the dust-proof flange;
FIG. 3 is a schematic view of a sealing system of the present invention showing a split structure of a dust flange and a fiber optic connector;
FIG. 4 is an assembled configuration of the sealing system connection base and fiber optic connector of the present invention.
Reference numerals:
1. the sealing system comprises a sealing system body, 11, a locking connecting part, 111, a locking part, 112, an insertion gap, 113, a self-locking limiting groove, 114, a self-locking inlet, 115, a self-locking limiting part, 12, a first sealing ring, 13, a sealing fixing part, 14, external threads, 15, a holding part, 151, a holding bulge, 2, a sealing assembly, 21, a clamping cage, 22, a sealing rubber pad, 221, a hole, 222, a cutting surface, 23, a threaded cover, 3, a base, 31, a second body connecting part, 311, a second self-locking limiting bulge, 4, a dustproof flange, 41, a first body connecting part, 411, a first self-locking limiting bulge, 5, an optical fiber medium, 6, a second sealing ring, 7 and a third sealing ring.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
The sealing system of the connector disclosed by the invention can be applied to all types of standard connectors in communication technology, and is particularly suitable for optical fiber connectors such as LC type connectors or other types of connectors such as electronic connectors such as RJ type connectors.
As shown in fig. 1, the sealing system of the connector disclosed by the present invention comprises a sealing system body 1 and a sealing assembly 2, wherein one end of the sealing system body 1 is connected with an external device (such as a base 3 or a dust-proof flange 4) in a locking manner, and the other end is connected with the sealing assembly 2 for sealing the optical fiber connector.
As shown in fig. 2 and 3, the sealing system body 1 includes a lock connecting portion 11, and the lock connecting portion 11 is provided at one end (i.e., an end close to the external device) of the sealing system body 1. Specifically, a locking portion 111 is integrally formed on the locking connection portion 11, the locking portion 111 is located outside the locking connection portion 11, and the locking portion 111 is integrally disposed around the locking connection portion 11, and one end (the end close to the sealing component 2) of the locking portion is integrally formed with the locking connection portion 11 to be closed, and an opening is formed between the other end (the end close to the external device) and the locking connection portion 11 to serve as an insertion port for the external device.
An insertion gap 112 is formed between the locking portion 111 and the locking connection portion 11, and a self-locking limiting structure is arranged on the locking portion 111, in this embodiment, the self-locking limiting structure is a self-locking limiting groove 113, in this embodiment, two self-locking limiting grooves 113 which are oppositely arranged are arranged on the locking portion 111, each self-locking limiting groove 113 comprises a self-locking inlet 114 and a self-locking limiting portion 115 which are communicated with each other, and the self-locking inlet 114 and the self-locking limiting portion 115 are adjacently arranged along the circumferential direction around the locking connection portion 11. In other embodiments, the number and structure of the self-locking limiting grooves 113 may not be limited.
Preferably, sealing system still includes first sealing washer 12, and first sealing washer 12 encircles along circumference and is fixed in on the locking connecting portion 11, in this embodiment, first sealing washer 12 is located one side of locking connecting portion 11 and is close to the external equipment setting, and first sealing washer 12 is pre-installed on sealing system main part 1 for strengthen the waterproof leakproofness of cooperation connector and sealing system main part 1, guarantee like this that sealing system main part 1 still has sealed effect after inserting and pulling out with the cooperation connector many times.
The sealing system of the optical fiber connector of the invention is characterized in that the locking connecting part 11 of the sealing system main body 1 is connected with the base 3 in the using state, and is connected with the dustproof flange 4 in the non-using state. Referring to fig. 2 and 3, when the sealing system is connected to the dust-proof flange 4, the dust-proof flange 4 is lockingly connected to the locking portion 111, specifically, one end of the dust-proof flange 4 extends outward to form a first body connecting portion 41, and at least one first self-locking limiting protrusion 411 is formed on the first body connecting portion 41, in this embodiment, two opposite first self-locking limiting protrusions 411 are formed on the first body connecting portion 41, the two first self-locking limiting protrusions 411 on the first body connecting portion 41 correspond to the two self-locking limiting grooves 113 on the locking portion 111, each first self-locking limiting protrusion 411 enters from the self-locking inlet 114 of the corresponding self-locking limiting groove 113, and the sealing system is rotated clockwise or counterclockwise (clockwise in this embodiment) to enable the first self-locking limiting protrusion 411 to enter and be limited in the self-locking limiting portion 115.
similarly, as shown in fig. 4, when the sealing system body 1 is connected to the base 3, the base 3 is lockingly connected to the locking portion 111, specifically, one end of the base 3 extends outward to form the second body connecting portion 31, and at least one second self-locking limiting protrusion 311 is formed on the second body connecting portion 31, in this embodiment, two opposite second self-locking limiting protrusions 311 are formed on the second body connecting portion 31, two second self-locking limiting protrusions 311 on the second body connecting portion 31 correspond to two self-locking limiting grooves 113 on the locking portion 111, each second self-locking limiting protrusion 311 enters from a self-locking inlet 114 of the corresponding self-locking limiting groove 113, and the sealing system body 1 is rotated clockwise or counterclockwise (clockwise in this embodiment) so that the second self-locking limiting protrusion 311 enters and is limited in the self-locking limiting portion 115.
The sealing system body 1 further comprises a sealing fixing part 13, the sealing fixing part 13 is disposed at the other end (i.e. the end far away from the external device) of the sealing system body 1, and the sealing fixing part 13 is connected with the sealing assembly 2, so that the sealing assembly 2 is fixedly connected with the sealing system body 1.
Referring to fig. 2 and 3, the sealing assembly 2 includes a clamping cage 21, a sealing rubber gasket 22 and a threaded cap 23, the sealing rubber gasket 22 is installed in the clamping cage 21, specifically, a protrusion (not shown) is provided at one end of the sealing rubber gasket 22, a groove (not shown) is correspondingly provided on an inner wall of the clamping cage 21, and the sealing rubber gasket 22 is installed in the clamping cage 21 in a sealing manner through the cooperation of the protrusion and the groove. The sealing rubber pad 22 has an axially disposed hole 221 therein, and an optical fiber or cable medium 5 is disposed in the hole 221. In addition, in order to facilitate the installation of the optical fiber or cable medium 5 into the sealing rubber gasket 22, the outer surface of the sealing rubber gasket 22 is cut in the direction of the hole 221 to form a cut surface 222, so that when the medium harness is installed, a wire inlet can be cut off from the cut surface 222, and the installation is convenient.
One end of the clamping cage 21 is connected to the inner wall of the seal fixing portion 13, in this embodiment, in order to enhance the sealing and waterproof performance between the clamping cage 21 and the seal system main body 1, a second sealing ring 6 may be disposed between the clamping cage 21 and the inner wall of the seal fixing portion 13, in this embodiment, the second sealing ring 6 is disposed on the clamping cage 21.
The threaded cap 23 is sleeved outside the clamp cage 21, and the threaded cap 23 is in threaded connection with the seal fixing portion 13 of the seal system body 1. Specifically, the outer surface of the seal fixing portion 13 of the seal system body 1 is provided with an external thread 14, the inner wall of the threaded cap 23 is correspondingly provided with an internal thread (not shown), the threaded cap 23 is rotated to lock the threaded cap 23 and the seal system body 1 by screwing the internal thread and the external thread 14, the threaded cap 23 continuously tightens the clamping cage 21 while the threaded cap 23 is rotated to lock, the clamping cage 21 extrudes the sealing rubber gasket 22, and thus the sealing rubber gasket 22 and the optical fiber or cable medium 5 form a sealing function.
A third sealing ring 7 can be arranged between the threaded cover 23 and the outer wall of the sealing fixing part 13 to play a role of sealing and waterproofing. Specifically, in the present embodiment, a third sealing ring 7 is circumferentially disposed on the outer surface of the seal fixing portion 13, the third sealing ring 7 is disposed away from the seal assembly 2 relative to the external thread 14, and the third sealing ring 7 enhances the sealing performance between the threaded cap 23 and the seal fixing portion 13 while the threaded cap 23 is rotationally locked.
In addition, the sealing system body 1 is further provided with a grip portion 15, and the grip portion 15 is located between the seal fixing portion 13 and the lock connecting portion 11. The grip portion 15 includes a plurality of grip protrusions 151, and the plurality of grip protrusions 151 are uniformly distributed on the sealing system main body 1 in the circumferential direction for increasing grip friction.
During assembly, the main body connecting part of the dustproof flange 4 or the base 3 is inserted into the insertion gap 112 of the sealing system main body 1, the self-locking limiting protrusion enters the self-locking inlet 114 of the corresponding self-locking limiting groove 113, the sealing system main body 1 is rotated clockwise to enable the self-locking limiting protrusion to enter from the self-locking inlet 114 of the self-locking limiting groove 113 and be limited in the self-locking limiting part 115, and therefore the sealing system main body 1 and the dustproof flange 4 or the base 3 are locked quickly; and at the other end, the threaded cover 23 of the sealing assembly 2 is in threaded connection with the sealing system main body 1 to realize quick sealing and locking, the clamping cage 21 is continuously tightened while the threaded cover 23 is rotated to lock, and the clamping cage 21 extrudes the sealing rubber gasket 22, so that the sealing rubber gasket 22 and the optical fiber or cable medium 5 form a sealing effect.
The sealing system has the advantages of quick installation, simple structure, simple production process, convenience in controlling the product quality, no influence of severe environment and the like.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (10)
1. The sealing system of the optical fiber connector is characterized by comprising a sealing system main body and a sealing assembly, wherein the sealing system main body comprises a sealing fixing part and a locking connecting part, the sealing fixing part and the locking connecting part are respectively arranged at two ends of the sealing system main body, the sealing fixing part is fixedly connected with the sealing assembly, the locking connecting part is integrally formed with a locking part, and an insertion gap is formed between the locking part and the locking connecting part.
2. The sealing system of claim 1, further comprising a first seal ring circumferentially secured to the locking connection.
3. The sealing system of claim 1, wherein the locking portion is provided with a self-locking limit feature.
4. The sealing system of claim 3, wherein the self-locking limit structure is a self-locking limit groove comprising a self-locking inlet and a self-locking limit portion in communication.
5. The sealing system of claim 4, wherein the self-locking inlet and the self-locking limit are adjacently disposed along a circumference around the locking connection.
6. The sealing system of claim 1, wherein the locking portion is located outside of the locking connection.
7. The sealing system of claim 1, wherein the locking portion is disposed around the locking connection portion and has one end adjacent the seal assembly integrally formed with the locking connection portion and an opposite end forming an insertion opening with the locking connection portion.
8. the sealing system of claim 1, wherein the sealing assembly comprises a clamping cage, a sealing rubber gasket, and a threaded cap, the sealing rubber gasket is mounted in the clamping cage, the clamping cage is located in the threaded cap, one end of the clamping cage is connected with the inner wall of the seal fixing portion, and one end of the threaded cap is in threaded connection with the outer wall of the seal fixing portion.
9. The sealing system of claim 8, wherein a second sealing ring is disposed between the clamp cage and an inner wall of the seal holder, and a third sealing ring is disposed between the threaded cap and an outer wall of the seal holder.
10. The sealing system according to claim 4, wherein the sealing system is configured to connect to an external device, the external device is provided with a body connecting portion, the body connecting portion is inserted into the insertion gap, the body connecting portion is provided with a self-locking limiting protrusion, and the self-locking limiting protrusion enters from the self-locking inlet and is limited in the self-locking limiting portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891534.0A CN110542953A (en) | 2019-09-20 | 2019-09-20 | Sealing system of optical fiber connector |
| PCT/CN2020/096373 WO2021051904A1 (en) | 2019-09-20 | 2020-06-16 | Sealing system for optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891534.0A CN110542953A (en) | 2019-09-20 | 2019-09-20 | Sealing system of optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110542953A true CN110542953A (en) | 2019-12-06 |
Family
ID=68714086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891534.0A Pending CN110542953A (en) | 2019-09-20 | 2019-09-20 | Sealing system of optical fiber connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110542953A (en) |
| WO (1) | WO2021051904A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051904A1 (en) * | 2019-09-20 | 2021-03-25 | 罗森伯格（上海）通信技术有限公司 | Sealing system for optical fiber connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154429A (en) * | 2015-06-09 | 2016-11-23 | 罗森伯格技术（昆山）有限公司 | The sealing protective box of the joints of optical fibre |
| CN208999609U (en) * | 2018-11-08 | 2019-06-18 | 罗森伯格（上海）通信技术有限公司 | A kind of optical fiber connector |
| CN210323474U (en) * | 2019-09-20 | 2020-04-14 | 罗森伯格（上海）通信技术有限公司 | Sealing system of optical fiber connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200355817Y1 (en) * | 2004-04-01 | 2004-07-09 | 삼우전자정밀주식회사 | Connector assembly |
| US9448366B2 (en) * | 2012-10-19 | 2016-09-20 | Afl Telecommunications Llc | Small form factor field installable outside plant connector housing |
| BR112018074080A2 (en) * | 2016-06-24 | 2019-03-06 | Huber + Suhner Ag | housing for a connector on a cable |
| CN208334713U (en) * | 2017-08-29 | 2019-01-04 | 上海睿羽机电科技有限公司 | The outer waterproof connecting device of fiber chamber |
| CN208315903U (en) * | 2018-06-11 | 2019-01-01 | 欧德斯电通科技股份有限公司 | Male end electric connector, female end electric connector and the electric connector combination comprising it |
| CN110542953A (en) * | 2019-09-20 | 2019-12-06 | 罗森伯格（上海）通信技术有限公司 | Sealing system of optical fiber connector |
-
2019
- 2019-09-20 CN CN201910891534.0A patent/CN110542953A/en active Pending
-
2020
- 2020-06-16 WO PCT/CN2020/096373 patent/WO2021051904A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154429A (en) * | 2015-06-09 | 2016-11-23 | 罗森伯格技术（昆山）有限公司 | The sealing protective box of the joints of optical fibre |
| CN208999609U (en) * | 2018-11-08 | 2019-06-18 | 罗森伯格（上海）通信技术有限公司 | A kind of optical fiber connector |
| CN210323474U (en) * | 2019-09-20 | 2020-04-14 | 罗森伯格（上海）通信技术有限公司 | Sealing system of optical fiber connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051904A1 (en) * | 2019-09-20 | 2021-03-25 | 罗森伯格（上海）通信技术有限公司 | Sealing system for optical fiber connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021051904A1 (en) | 2021-03-25 |
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Effective date of registration: 20220307 Address after: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Rosenberg Technology Co.,Ltd. Address before: 201700 B2 factory building, 303 Xinke Road, industrial park, Qingpu District, Shanghai Applicant before: ROSENBERGER (SHANGHAI) TECHNOLOGY Co.,Ltd. |
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Rosenberg Technology Co.,Ltd. |