CN111327001A - Cable outgoing management device based on power engineering - Google Patents
Cable outgoing management device based on power engineering Download PDFInfo
- Publication number
- CN111327001A CN111327001A CN202010180616.7A CN202010180616A CN111327001A CN 111327001 A CN111327001 A CN 111327001A CN 202010180616 A CN202010180616 A CN 202010180616A CN 111327001 A CN111327001 A CN 111327001A
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- support frame
- rod
- management device
- power engineering
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of cable outgoing management, and discloses a cable outgoing management device based on electric power engineering. The first clamping device and the second clamping device are combined for use, so that a user can conveniently clamp a single line, two adjacent lines can be separated through the three groups of first clamping devices and the three groups of second clamping devices, the lines can be normalized and sorted, the lines are easy to distinguish, the height of the clamped lines can be adjusted through the adjusting assembly, the actual installation requirements can be met, meanwhile, the angle can be adjusted, the lines are not easy to bend, and the problems of abrasion and the like of an insulating skin are reduced.
Description
Technical Field
The invention relates to the technical field of cable outgoing management, in particular to a cable outgoing management device based on power engineering.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable is arranged in the air or underground or underwater and is used for telecommunication or power transmission, when the cable is outgoing, a plurality of different lines are required to be butted with external equipment, and at the moment, appearance management equipment is required.
But current management equipment of being qualified for next round of competitions is in the use, is difficult to standardize the arrangement to many lines on the one hand, and when the lines twined, be difficult for actual maintenance, the line height after the installation moreover all can't be adjusted mostly, can't satisfy actual installation needs. Therefore, those skilled in the art provide a cable outlet management device based on power engineering to solve the problems set forth in the background art.
Disclosure of Invention
The present invention is directed to a cable outlet management device based on power engineering to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cable management device that is qualified for next round of competitions based on electric power engineering, includes first support frame and the second support frame that is located first support frame below, the junction rigid coupling of first support frame and second support frame has the support of the two of perpendicular to, the equidistance rigid coupling has first holder along the horizontal direction in the bottom of first support frame, the equidistance rigid coupling has the second holder along the horizontal direction in the top of second support frame, and the rigid coupling has the backup pad on the front surface of second support frame, the top of backup pad is connected with adjusting part.
As a still further scheme of the invention: first holder includes first branch, first telescopic link, first guard circle, first spring, first splint and joint board, the bottom embedding of first branch is installed can be at its inside gliding first telescopic link, and the top rigid coupling of first branch is on first support frame, the bottom rigid coupling of first telescopic link has first guard circle, the below of first guard circle is provided with first splint, and the bottom edge rigid coupling of first guard circle has the joint board, be connected with first spring between first guard circle and the first splint.
As a still further scheme of the invention: the first guard ring and the first clamping plate are of semicircular structures, and the first guard ring and the first clamping plate are both members made of plastic materials.
As a still further scheme of the invention: the second holder includes joint groove, second splint, second spring, second guard circle, second telescopic link and second branch, the bottom rigid coupling of second branch is on the second support frame, and the top embedding of second branch installs can be at its inside gliding second telescopic link, the top rigid coupling of second telescopic link has the second guard circle, the top of second guard circle is provided with the second splint, and the top edge of second guard circle has seted up the joint groove, be connected with the second spring between second guard circle and the second splint, the length and the width of joint board all are less than the length and the width in joint groove, and joint board and joint groove looks adaptation, it is fixed through joint board and joint groove block between first guard circle and the second guard circle.
As a still further scheme of the invention: the second guard ring and the second clamping plate are both of semicircular structures, and the second guard ring and the second clamping plate are both members made of plastic materials.
As a still further scheme of the invention: the adjusting component comprises a limiting cylinder, a first metal pipe, a threaded rod, a second metal pipe and a mounting seat, wherein the first metal pipe is sleeved on the top thread of the threaded rod, the second metal pipe is sleeved on the bottom thread of the threaded rod, the top of the first metal pipe is movably connected with the limiting cylinder through a bearing, the mounting seat is fixedly connected to the bottom end of the second metal pipe, and the mounting seat is fixedly connected to the supporting plate.
As a still further scheme of the invention: the inner wall of the first metal pipe is provided with a first thread groove matched with the threaded rod, the inner wall of the second metal pipe is provided with a second thread groove matched with the threaded rod, and the thread directions of the first thread groove and the second thread groove are opposite.
Compared with the prior art, the invention has the beneficial effects that:
1. the first clamp holder and the second clamp holder are combined for use, so that a user can conveniently clamp a single line, and two adjacent lines can be separated through the three groups of the first clamp holders and the second clamp holders, so that the two lines can be normalized and sorted, and are easy to distinguish;
2. the line height after the centre gripping can be adjusted through adjusting part, makes it satisfy actual installation requirement, and the angle is adjustable simultaneously, is difficult for making the line phenomenon of buckling to appear, has reduced the insulating skin and has appeared wearing and tearing scheduling problem.
Drawings
Fig. 1 is a schematic structural diagram of a cable outlet management device based on power engineering;
fig. 2 is a schematic structural diagram of a first clamp and a second clamp in a cable outlet management device based on power engineering;
FIG. 3 is a schematic diagram of the butt joint of a clamping plate and a clamping groove in a cable outgoing management device based on power engineering;
fig. 4 is a schematic structural diagram of a regulating component in a cable outlet management device based on power engineering.
In the figure: 1. a second support frame; 2. a support; 3. a first support frame; 4. a first gripper; 5. a second gripper; 6. an adjustment assembly; 7. a support plate; 8. a first support bar; 9. a first telescopic rod; 10. a first guard ring; 11. a first spring; 12. a first splint; 13. a clamping and connecting plate; 15. a limiting cylinder; 16. a first metal tube; 17. a threaded rod; 18. a second metal tube; 19. a mounting seat; 21. a clamping groove; 22. a second splint; 23. a second spring; 24. a second guard ring; 25. a second telescopic rod; 26. a second support bar.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a cable outgoing management device based on an electrical engineering includes a first support frame 3 and a second support frame 1 located below the first support frame 3, a support 2 perpendicular to the first support frame 3 and the second support frame 1 is fixedly connected at a joint of the first support frame 3 and the second support frame 1, a first clamp 4 is fixedly connected at a bottom of the first support frame 3 along a horizontal direction at an equal distance, a second clamp 5 is fixedly connected at a top of the second support frame 1 along a horizontal direction at an equal distance, the first clamp 4 includes a first support rod 8, a first telescopic rod 9, a first protection ring 10, a first spring 11, a first clamping plate 12 and a clamping plate 13, the first telescopic rod 9 capable of sliding inside the first support rod 8 is embedded at a bottom of the first support rod 8, a top end of the first support rod 8 is fixedly connected to the first support frame 3, a bottom end of the first telescopic rod 9 is fixedly connected to the, a first clamping plate 12 is arranged below the first protection ring 10, a clamping plate 13 is fixedly connected at the bottom end edge of the first protection ring 10, a first spring 11 is connected between the first protection ring 10 and the first clamping plate 12, the first protection ring 10 and the first clamping plate 12 are both in a semicircular structure, the first protection ring 10 and the first clamping plate 12 are both made of plastic materials, the second clamp 5 comprises a clamping groove 21, a second clamping plate 22, a second spring 23, a second protection ring 24, a second telescopic rod 25 and a second supporting rod 26, the bottom end of the second supporting rod 26 is fixedly connected on the second support frame 1, the top of the second supporting rod 26 is embedded with a second telescopic rod 25 capable of sliding in the second support frame, the top end of the second telescopic rod 25 is fixedly connected with a second protection ring 24, a second clamping plate 22 is arranged above the second protection ring 24, a clamping groove 21 is formed at the top edge of the second protection ring 24, and a second spring 23 is connected between the second protection ring 24 and the second clamping plate 22, the length and the width of joint board 13 all are less than the length and the width in joint groove 21, and joint board 13 and joint groove 21 looks adaptation, it is fixed through joint board 13 and joint groove 21 block between first guard ring 10 and the second guard ring 24, second guard ring 24 and second splint 22 are semi-circular structure, and second guard ring 24 and second splint 22 are the component of plastics material, through the combined use of first holder 4 and second holder 5, can the person of facilitating the use carry out the centre gripping to single lines, can also separate two adjacent lines through three first holders 4 of group and second holder 5, make it can standardize the arrangement, easily distinguish.
In fig. 1 and 4: the front surface of the second support frame 1 is fixedly connected with a support plate 7, the top of the support plate 7 is connected with an adjusting component 6, the adjusting component 6 comprises a limiting cylinder 15, a first metal tube 16, a threaded rod 17, a second metal tube 18 and a mounting seat 19, the top end of the threaded rod 17 is in threaded sleeve connection with the first metal tube 16, the bottom end of the threaded rod 17 is in threaded sleeve connection with the second metal tube 18, the top of the first metal tube 16 is movably connected with the limiting cylinder 15 through a bearing, the bottom end of the second metal tube 18 is fixedly connected with the mounting seat 19, the mounting seat 19 is fixedly connected on the support plate 7, the inner wall of the first metal tube 16 is provided with a first threaded groove matched with the threaded rod 17, the inner wall of the second metal tube 18 is provided with a second threaded groove matched with the threaded rod 17, the thread directions of the first threaded groove and the second threaded groove are opposite, the height of the clamped lines can be adjusted through the adjusting, make its installation requirement that satisfies reality, the while angularly adjustable is difficult for making the lines phenomenon of buckling to appear, has reduced the insulating skin and has appeared wearing and tearing scheduling problem.
The working principle of the invention is as follows: the user firstly puts the lines between the first clamping plate 12 and the second clamping plate 22, at this time, the clamping plate 13 is driven to go deep into the clamping groove 21 by relatively pressing the first protection ring 10 and the second protection ring 24, at this time, the first protection ring 10 and the second protection ring 24 can be fixed, after the first protection ring 10 and the second protection ring 24 are fixed, at this time, the first spring 11 and the second spring 23 deform, at this time, the lines can be clamped and fastened by the first clamping plate 12 and the second clamping plate 22, because the first clamping device 4 and the second clamping device 5 are equidistantly arranged along the horizontal direction, three different lines are separated, when one line needs to be taken out, only the first protection ring 10 and the second protection ring 24 need to oppositely move, at this time, the clamping plate 13 is moved out from the clamping groove 21, and by the combination of the first clamping device 4 and the second clamping device 5, the single line can be conveniently clamped by a user, two adjacent lines can be separated through the three groups of first clamping devices 4 and the three groups of second clamping devices 5, so that the lines can be normalized and arranged and are easy to distinguish, then the user enables one end of the line to pass through the limiting cylinder 15 and adjusts the installation height of the line by rotating the threaded rod 17, the line can be loosened and intertwined at the moment if the line height cannot be adjusted, so that the first metal pipe 16 above the threaded rod can be driven to ascend when the threaded rod 17 rotates forwards, the first metal pipe 16 above the threaded rod can be driven to descend when the threaded rod 17 rotates backwards, the line can stop rotating when the line moves to a proper position, and the top of the first metal pipe 16 is movably connected with the limiting cylinder 15 through a bearing, so that the line in the limiting cylinder 15 can rotate along a transverse position at the moment, the height of the lines after clamping can be adjusted through the adjusting component 6, so that the lines meet actual installation requirements, meanwhile, the angle is adjustable, the lines are not easy to bend, and the problems of abrasion and the like of the insulating skin are reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (7)
1. The utility model provides a cable management device that is qualified for next round of competitions based on electric power engineering, includes first support frame (3) and second support frame (1) that is located first support frame (3) below, its characterized in that, the junction rigid coupling of first support frame (3) and second support frame (1) has support (2) of the two of perpendicular to, the bottom of first support frame (3) has first holder (4) along the equidistance rigid coupling on the horizontal direction, the top of second support frame (1) has second holder (5) along the equidistance rigid coupling on the horizontal direction, and the rigid coupling has backup pad (7) on the front surface of second support frame (1), the top of backup pad (7) is connected with adjusting part (6).
2. The power engineering-based cable outlet management device as claimed in claim 1, the first clamp holder (4) comprises a first support rod (8), a first telescopic rod (9), a first protective ring (10), a first spring (11), a first clamping plate (12) and a clamping plate (13), a first telescopic rod (9) which can slide in the first support rod (8) is embedded and installed at the bottom of the first support rod, the top end of the first supporting rod (8) is fixedly connected on the first supporting frame (3), the bottom end of the first telescopic rod (9) is fixedly connected with a first protective ring (10), a first clamping plate (12) is arranged below the first protective ring (10), and the edge of the bottom end of the first protective ring (10) is fixedly connected with a clamping plate (13), a first spring (11) is connected between the first protective ring (10) and the first clamping plate (12).
3. The cable outlet management device based on the electric power engineering as claimed in claim 2, wherein the first protection ring (10) and the first clamping plate (12) are both of a semicircular structure, and the first protection ring (10) and the first clamping plate (12) are both members made of plastic materials.
4. The cable outlet management device based on the electric power engineering as claimed in claim 2, wherein the second holder (5) comprises a clamping groove (21), a second clamping plate (22), a second spring (23), a second guard ring (24), a second telescopic rod (25) and a second support rod (26), the bottom end of the second support rod (26) is fixedly connected to the second support frame (1), the second telescopic rod (25) capable of sliding in the second support rod is embedded in the top of the second support rod (26), the top end of the second telescopic rod (25) is fixedly connected with the second guard ring (24), the second clamping plate (22) is arranged above the second guard ring (24), the clamping groove (21) is formed in the edge of the top of the second guard ring (24), the second spring (23) is connected between the second guard ring (24) and the second clamping plate (22), the length and the width of joint board (13) all are less than the length and the width in joint groove (21), and joint board (13) and joint groove (21) looks adaptation, it is fixed through joint board (13) and joint groove (21) block between first guard ring (10) and the second guard ring (24).
5. The cable outlet management device based on the electric power engineering as recited in claim 4, characterized in that the second protection ring (24) and the second clamping plate (22) are both of a semicircular structure, and the second protection ring (24) and the second clamping plate (22) are both members made of plastic material.
6. The cable outlet management device based on the power engineering as claimed in claim 1, wherein the adjusting assembly (6) comprises a limiting cylinder (15), a first metal tube (16), a threaded rod (17), a second metal tube (18) and a mounting seat (19), the first metal tube (16) is sleeved on the top end thread of the threaded rod (17), the second metal tube (18) is sleeved on the bottom end thread of the threaded rod (17), the limiting cylinder (15) is movably connected to the top of the first metal tube (16) through a bearing, the mounting seat (19) is fixedly connected to the bottom end of the second metal tube (18), and the mounting seat (19) is fixedly connected to the support plate (7).
7. The cable outgoing management device based on the power engineering as recited in claim 6, wherein the inner wall of the first metal tube (16) is provided with a first thread groove adapted to the threaded rod (17), the inner wall of the second metal tube (18) is provided with a second thread groove adapted to the threaded rod (17), and the thread directions of the first thread groove and the second thread groove are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180616.7A CN111327001A (en) | 2020-03-16 | 2020-03-16 | Cable outgoing management device based on power engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180616.7A CN111327001A (en) | 2020-03-16 | 2020-03-16 | Cable outgoing management device based on power engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111327001A true CN111327001A (en) | 2020-06-23 |
Family
ID=71172180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010180616.7A Pending CN111327001A (en) | 2020-03-16 | 2020-03-16 | Cable outgoing management device based on power engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111327001A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711142A (en) * | 2020-07-03 | 2020-09-25 | 江西圣塔电缆科技有限公司 | High-strength fixing component for electric wire |
| CN111799714A (en) * | 2020-08-04 | 2020-10-20 | 邢立强 | Adjustable cable fixing device for preventing cable from sliding off for electrical engineering |
| CN112260167A (en) * | 2020-09-23 | 2021-01-22 | 安徽华希电力科技有限公司 | Layered assembled composite fireproof and anticorrosive cable bridge |
| CN115881341A (en) * | 2023-01-31 | 2023-03-31 | 西华大学 | Special cable and short-circuit protection device for lightweight pure electric logistics transport vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5752807A (en) * | 1996-06-26 | 1998-05-19 | General Electric Company | Jet pump sensing line repair |
| CN101669413A (en) * | 2007-04-24 | 2010-03-10 | 泰科电子公司 | Cable management system |
| CN207572891U (en) * | 2017-12-14 | 2018-07-03 | 天津市志业陆机械设备有限公司 | Convenient for the cable bearer of adjusting |
| CN208581027U (en) * | 2018-06-12 | 2019-03-05 | 云南建投第二建设有限公司 | A kind of cable support device convenient for arranging cable |
| CN110289581A (en) * | 2019-07-05 | 2019-09-27 | 安徽华泰电缆有限公司 | A kind of cable transfer fixed frame convenient for adjusting |
| US20190326739A1 (en) * | 2016-06-30 | 2019-10-24 | Conta-Clip Verbindungstechnik Gmbh | Cable wall passthrough and kit |
| CN209642234U (en) * | 2019-05-31 | 2019-11-15 | 郭浩 | A kind of novel electrical engineering cable protector |
| CN209762434U (en) * | 2019-03-26 | 2019-12-10 | 泉州亿力电气技术设备有限公司 | fireproof and anti-seismic support |
| CN209896628U (en) * | 2019-07-16 | 2020-01-03 | 江苏艾力升电缆有限公司 | Fixing device for cable wiring |
| CN209948634U (en) * | 2019-07-31 | 2020-01-14 | 国网河南省电力公司桐柏县供电公司 | Underground cable protection device |
-
2020
- 2020-03-16 CN CN202010180616.7A patent/CN111327001A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5752807A (en) * | 1996-06-26 | 1998-05-19 | General Electric Company | Jet pump sensing line repair |
| CN101669413A (en) * | 2007-04-24 | 2010-03-10 | 泰科电子公司 | Cable management system |
| US20190326739A1 (en) * | 2016-06-30 | 2019-10-24 | Conta-Clip Verbindungstechnik Gmbh | Cable wall passthrough and kit |
| CN207572891U (en) * | 2017-12-14 | 2018-07-03 | 天津市志业陆机械设备有限公司 | Convenient for the cable bearer of adjusting |
| CN208581027U (en) * | 2018-06-12 | 2019-03-05 | 云南建投第二建设有限公司 | A kind of cable support device convenient for arranging cable |
| CN209762434U (en) * | 2019-03-26 | 2019-12-10 | 泉州亿力电气技术设备有限公司 | fireproof and anti-seismic support |
| CN209642234U (en) * | 2019-05-31 | 2019-11-15 | 郭浩 | A kind of novel electrical engineering cable protector |
| CN110289581A (en) * | 2019-07-05 | 2019-09-27 | 安徽华泰电缆有限公司 | A kind of cable transfer fixed frame convenient for adjusting |
| CN209896628U (en) * | 2019-07-16 | 2020-01-03 | 江苏艾力升电缆有限公司 | Fixing device for cable wiring |
| CN209948634U (en) * | 2019-07-31 | 2020-01-14 | 国网河南省电力公司桐柏县供电公司 | Underground cable protection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711142A (en) * | 2020-07-03 | 2020-09-25 | 江西圣塔电缆科技有限公司 | High-strength fixing component for electric wire |
| CN111711142B (en) * | 2020-07-03 | 2021-09-17 | 江西圣塔电缆科技有限公司 | High-strength fixing component for electric wire |
| CN111799714A (en) * | 2020-08-04 | 2020-10-20 | 邢立强 | Adjustable cable fixing device for preventing cable from sliding off for electrical engineering |
| CN112260167A (en) * | 2020-09-23 | 2021-01-22 | 安徽华希电力科技有限公司 | Layered assembled composite fireproof and anticorrosive cable bridge |
| CN115881341A (en) * | 2023-01-31 | 2023-03-31 | 西华大学 | Special cable and short-circuit protection device for lightweight pure electric logistics transport vehicle |
| CN115881341B (en) * | 2023-01-31 | 2024-01-30 | 青岛华信电缆制造有限公司 | Short-circuit protection device for special cable of light-weight pure electric logistics transport vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111327001A (en) | Cable outgoing management device based on power engineering | |
| CN110797804B (en) | Cable pipe port multidirectional pulley auxiliary tool | |
| CN204205433U (en) | A kind of cable trough turning actinobacillus device | |
| CN110970835A (en) | Paying-off device for laying submarine communication cable | |
| CN210273323U (en) | Protection strut for cable laying | |
| CN109616992B (en) | Cable branch line and cable mounting system | |
| CN212725768U (en) | Communication connector convenient for wire arrangement | |
| CN210985441U (en) | Overhead wiring and wiring guide for cable | |
| CN211046257U (en) | Integrated cable laying device | |
| CN211209176U (en) | Scratch-proof cable protection sleeve | |
| CN214269698U (en) | Optical fiber take-up device | |
| CN212366667U (en) | Automatic pole-climbing fire-lapping device | |
| CN211930138U (en) | Cable fixing and adjusting device for electrical engineering | |
| CN205016932U (en) | Underground cable installs guider | |
| CN210577566U (en) | Combined cable protection pipe | |
| CN202083824U (en) | Multi-core strap-like soft optical cable easy to branch for indoor wiring arrangement | |
| CN216355765U (en) | Anti-interference PVC pipe with branching structure for electric wire installation | |
| CN113078599A (en) | Electric power suspension fitting | |
| CN218038613U (en) | Fireproof cable capable of being effectively fixed | |
| CN217280210U (en) | Dustproof device for overhead insulated cable production | |
| CN210337977U (en) | Cable laying device for power engineering | |
| CN214331764U (en) | Metal hose | |
| CN218449396U (en) | Novel nanometer strain clamp | |
| CN210806629U (en) | Light current engineering spool installation fixing device | |
| CN221529526U (en) | Photovoltaic cable capable of being overhead |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |
|
| RJ01 | Rejection of invention patent application after publication |