CN108246855A - A kind of portable swan neck system of structural metal pipeline - Google Patents
A kind of portable swan neck system of structural metal pipeline Download PDFInfo
- Publication number
- CN108246855A CN108246855A CN201810177949.7A CN201810177949A CN108246855A CN 108246855 A CN108246855 A CN 108246855A CN 201810177949 A CN201810177949 A CN 201810177949A CN 108246855 A CN108246855 A CN 108246855A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- metal tube
- screw rod
- fixed plate
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Abstract
The invention discloses a kind of portable swan neck systems of structural metal pipeline,Including pedestal,The pedestal left upper end is equipped with support plate,Pedestal upper end on the right side of support plate is equipped with fixed plate,Fixed plate left end is equipped with transmission screw hole,Rotation is equipped with adjusting screw rod in support plate on the left of fixed plate,Adjusting screw rod right end is stretched into transmission screw hole,Adjusting screw rod left end is equipped with handle,Adjusting screw rod is driven to rotate by handle,So that adjusting screw rod is relatively rotated with postive stop baffle,Under the action of screw thread,Postive stop baffle can move left and right in fixed plate,And then metal tube left end is fixed,The configuration of the present invention is simple,Rationally,It facilitates and the metal tube of different length is fixed,By being equipped with protection cap on the outside of device,So as to ensure that the safety of bend pipe process,It avoids generating abrasion to metal tube surface,Help to improve the processing quality of device,It is highly practical.
Description
Technical field
The present invention relates to a kind of swan neck system, the portable swan neck system of specifically a kind of structural metal pipeline.
Background technology
Bending machine is a kind of mechanical equipment that some strength bending is carried out for steel pipe, has been widely used in electric power and has applied
Work, public railway construction, bridge, ship etc. pipeline are laid with and build.It is other than having the function of bend pipe, moreover it is possible to unload bend pipe
Component is used as separation type hydraulic jack.
With the continuous development of social progress and building trade, traditional structural metal tube bends machine cannot be very
Good meets the needs of bend pipe processing, and volume is larger, carries trouble, it has not been convenient to it is used in engineering, when carrying out bend pipe, when
Bending strength, which is crossed to fly out when large steel pipe fractures, injures people by a crashing object, the low-down shortcoming of safety, and when carrying out bend pipe, steps up
Device is causes to wear to metallic conduit surface, so as to reduce price quality.
To solve the above-mentioned problems, existing apparatus provides a kind of portable swan neck system of structural metal pipeline.
Invention content
The purpose of the present invention is to provide a kind of portable swan neck system of structural metal pipeline, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical solution:
A kind of portable swan neck system of structural metal pipeline, including pedestal, the pedestal left upper end is equipped with support plate, support plate
The pedestal upper end on right side is equipped with fixed plate, and fixed plate left end, which is equipped with, is driven screw hole, rotates and is equipped in the support plate on the left of fixed plate
Adjusting screw rod, adjusting screw rod right end are stretched into transmission screw hole, and adjusting screw rod left end is equipped with handle, and adjusting screw rod is driven by handle
Rotation, so that adjusting screw rod is relatively rotated with postive stop baffle, under the action of screw thread, postive stop baffle can be left in fixed plate
It moves right, and then metal tube left end is fixed, this adjustable mode in left and right, which facilitates, consolidates different length metal tube
It is fixed, protection cap, the problem of the hurting sb.'s feelings in this way it is avoided that metal tube breaks are equipped with above the fixed plate, the protection cap lower left side is led to
It crosses fixed frame and is fixed with telescopic hydraulic bar, the output terminal of telescopic hydraulic bar, which is equipped with, presses block, is pressed by hydraulic telescopic rod drive
Block moves downward, and then metal tube is pressed in fixed plate, and rotation is rotatably connected to by rotation axis on the right side of the fixed plate
Plate, rotor plate upper right side are equipped with draw ring, and so as to further improve the safety of device, the protection cap upper right side, which is equipped with, to be slided
Slot slides and is sliding combined with sliding shoe at slot, and the sliding shoe upper end is fixed with drive block, transmission is equipped on drive block
Screw rod, to be threadedly coupled between drive screw and drive block, drive screw right end and the bearing block rotation of protection cap upper right side connect
It connects, the output terminal connection of drive screw left end and driving motor is fixed, and the sliding shoe lower end is fixed with hoist engine, hoist engine
Rope closing end connect fixation by traction rope with the draw ring on rotor plate, and traction rope is collected by hoist engine, so that rotor plate
It rotates, so as to carry out bending processing to metal tube, as draw ring is close to hoist engine, operating personnel can control driving motor
Drive screw rotation is driven, under the action of screw thread, drive screw can generate an active force to drive block, be slided so as to drive
Block slides to the left along protection cap, so as to convenient bending further to metal tube.
As further embodiment of the present invention:The rotor plate upper end is equipped with locating piece, and locating piece is set close to rotation axis,
Movable regulating plate is equipped on the left of locating piece, movable regulating plate upper surface is put down with dead plate upper end face, and movable regulating plate left end is equipped with
Pilot hole is sliding combined with guide rod in pilot hole, and guide rod left end connect fixation with locating piece, when carrying out bending processing,
Metal tube bending end is placed on movable regulating plate, and when metal tube surface extends, movable regulating plate can move, so as to keep away
Exempt to generate abrasion to metal tube surface, help to improve the processing quality of device.
As further embodiment of the present invention:The block lower end of pressing is equipped with cushion pad.
As further embodiment of the present invention:The pedestal of the rotor plate upper right side is equipped with reinforcing plate, and reinforcing plate is increases
Thick metallic plate.
As further embodiment of the present invention:The driving motor is bolted in protection cap.
As further embodiment of the present invention:The sliding shoe is drum block.
As further embodiment of the present invention:The driving motor, telescopic hydraulic bar and hoist engine are electrically connected control plane
Plate.
Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple, rationally, facilitate to different length
The metal tube of degree is fixed, by being equipped with protection cap, so as to ensure that the safety of bend pipe process, in addition described turn on the outside of device
Movable plate upper end is equipped with locating piece, and locating piece is set close to rotation axis, is equipped with movable regulating plate on the left of locating piece, on movable regulating plate
End face is put down with dead plate upper end face, and movable regulating plate left end is equipped with pilot hole, and guide rod, guide rod are sliding combined in pilot hole
Left end connect fixation with locating piece, and when carrying out bending processing, metal tube bending end is placed on movable regulating plate, works as metal tube
When surface extends, movable regulating plate can move, and so as to avoid generating abrasion to metal tube surface, help to improve device
Processing quality, it is highly practical.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure diagram of rotor plate in the present invention.
Fig. 3 is the structure diagram at the top of protection cap in the present invention.
Wherein:Pedestal 1, fixed plate 2, postive stop baffle 3, adjusting screw rod 4, regulation handle 5, support plate 6, protection cap 7, driving
It is motor 8, drive screw 9, drive block 10, sliding shoe 11, bearing block 12, hoist engine 13, fixed frame 14, telescopic hydraulic bar 15, tight
Briquetting 16, cushion pad 17, traction rope 18, reinforcing plate 19, draw ring 20, rotor plate 21, rotation axis 22, locating piece 23, guide rod 24,
Pilot hole 26, pulley 28, slides slot 29 at movable regulating plate 27.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, the portable swan neck system of a kind of structural metal pipeline, including pedestal
1,1 left upper end of pedestal is equipped with support plate 6, and 1 upper end of pedestal on 6 right side of support plate is equipped with fixed plate 2, and 2 left end of fixed plate is set
There is transmission screw hole, rotated in the support plate 6 in 2 left side of fixed plate and be equipped with adjusting screw rod 4,4 right end of adjusting screw rod stretches into transmission screw hole
In, 4 left end of adjusting screw rod is equipped with handle 5, adjusting screw rod 4 is driven to rotate by handle 5, so that adjusting screw rod 4 and limiting
Baffle 3 relatively rotates, and under the action of screw thread, postive stop baffle 3 can move left and right, and then to metal tube left end in fixed plate 2
It is fixed, this adjustable mode in left and right facilitates the fixation to different length metal tube, and 2 top of fixed plate, which is equipped with, to be protected
Protecting cover 7, the problem of the hurting sb.'s feelings in this way it is avoided that metal tube breaks, 7 lower left side of protection cap are fixed with flexible by fixed frame 14
Hydraulic stem 15, the output terminal of telescopic hydraulic bar 15, which is equipped with, presses block 16, presses 16 lower end of block equipped with cushion pad 17, is stretched by hydraulic pressure
The drive of contracting bar 15 is pressed block 16 and is moved downward, and then metal tube is pressed in fixed plate 2, and 2 right side of fixed plate is by turning
Moving axis 22 is rotatably connected to rotor plate 21, and 21 upper right side of rotor plate is equipped with draw ring 20, and the pedestal 1 of 20 upper right side of rotor plate is equipped with
Reinforcing plate 19, reinforcing plate 19 are the metallic plate thickened, so as to further improve the safety of device, 7 upper right of protection cap
Side, which is equipped with, slides slot 29, slides and is sliding combined with sliding shoe 11 at slot 29, and sliding shoe 11 is drum block, the sliding shoe 11
Upper end is fixed with drive block 10, and drive screw 9 is equipped on drive block 10, connects between drive screw 9 and drive block 10 for screw thread
It connects, 9 right end of drive screw and the bearing block 12 of 7 upper right side of protection cap are rotatablely connected, 9 left end of drive screw and driving motor 8
Output terminal connection is fixed, and driving motor 8 is bolted in protection cap 7, and 11 lower end of sliding shoe is fixed with hoist engine
13, the rope closing end of hoist engine 13 connect fixation by traction rope 18 with the draw ring 20 on rotor plate 21, is collected by hoist engine 13
Traction rope 18, so that rotor plate 21 rotates, so as to carry out bending processing to metal tube, as draw ring 20 is close to elevator
Machine 13, operating personnel can control driving motor 8 that drive screw 9 is driven to rotate, under the action of screw thread, the meeting pair of drive screw 9
Drive block 10 generates an active force, so as to which sliding shoe 11 be driven to be slided to the left along protection cap 7, so as to it is convenient to metal tube into
One step bending, 21 upper end of rotor plate are equipped with locating piece 23, and locating piece 23 is set close to rotation axis 22, and 23 left side of locating piece is set
There is movable regulating plate 27,27 upper surface of movable regulating plate is put down with 2 upper surface of fixed plate, and 27 left end of movable regulating plate is equipped with pilot hole
26, guide rod 24 is sliding combined in pilot hole 26, and 24 left end of guide rod connect fixation with locating piece 23, is carrying out bending processing
When, metal tube bending end is placed on movable regulating plate 27, and when metal tube surface extends, movable regulating plate 27 can move
It is dynamic, so as to avoid generating abrasion to metal tube surface, help to improve the processing quality of device, driving motor 8, telescopic hydraulic bar
15 and hoist engine 13 be electrically connected control panel.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of portable swan neck system of structural metal pipeline, including pedestal(1), which is characterized in that the pedestal(1)Upper left
End is equipped with support plate(6), support plate(6)The pedestal on right side(1)Upper end is equipped with fixed plate(2), fixed plate(2)Left end is equipped with transmission
Screw hole, fixed plate(2)The support plate in left side(6)Upper rotation is equipped with adjusting screw rod(4), adjusting screw rod(4)Right end stretches into transmission spiral shell
Kong Zhong, adjusting screw rod(4)Left end is equipped with handle(5), pass through handle(5)Drive adjusting screw rod(4)Rotation, so that adjusting spiral shell
Bar(4)With postive stop baffle(3)It relatively rotates, under the action of screw thread, postive stop baffle(3)It can be in fixed plate(2)On move left and right,
And then metal tube left end is fixed, this adjustable mode in left and right facilitates the fixation to different length metal tube, described
Fixed plate(2)Top is equipped with protection cap(7), the problem of the hurting sb.'s feelings in this way it is avoided that metal tube breaks, the protection cap(7)Lower left side
Pass through fixed frame(14)It is fixed with telescopic hydraulic bar(15), telescopic hydraulic bar(15)Output terminal be equipped with press block(16), pass through
Hydraulic telescopic rod(15)Block is pressed in drive(16)It moves downward, and then metal tube is pressed on fixed plate(2)On, the fixed plate
(2)Right side passes through rotation axis(22)It is rotatably connected to rotor plate(21), rotor plate(21)Upper right side is equipped with draw ring(20), thus into
One step improves the safety of device, the protection cap(7)Upper right side, which is equipped with, slides slot(29), slide slot(29)It slides at place
It is combined with sliding shoe(11), the sliding shoe(11)Upper end is fixed with drive block(10), drive block(10)On be equipped with transmission spiral shell
Bar(9), drive screw(9)With drive block(10)Between for be threadedly coupled, drive screw(9)Right end and protection cap(7)Upper right side
Bearing block(12)Rotation connection, drive screw(9)Left end and driving motor(8)Output terminal connection fix, the sliding shoe
(11)Lower end is fixed with hoist engine(13), hoist engine(13)Rope closing end pass through traction rope(18)With rotor plate(21)On draw ring
(20)Connection is fixed, and passes through hoist engine(13)Collect traction rope(18), so that rotor plate(21)It rotates, so as to gold
Belong to pipe and carry out bending processing, with draw ring(20)Close to hoist engine(13), operating personnel can control driving motor(8)It drives and passes
Dynamic screw rod(9)Rotation, under the action of screw thread, drive screw(9)It can be to drive block(10)An active force is generated, so as to drive
Sliding shoe(11)Along protection cap(7)It slides to the left, so as to convenient bending further to metal tube.
2. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that the rotor plate
(21)Upper end is equipped with locating piece(23), locating piece(23)Close to rotation axis(22)Setting, locating piece(23)Left side is equipped with activity and adjusts
Save plate(27), movable regulating plate(27)Upper surface and fixed plate(2)Upper surface is put down, movable regulating plate(27)Left end is equipped with pilot hole
(26), pilot hole(26)In be sliding combined with guide rod(24), guide rod(24)Left end and locating piece(23)Connection fix, into
When row bending is handled, metal tube bending end is placed on movable regulating plate(27)On, when metal tube surface extends, movable regulating plate
(27)It can move, so as to avoid generating abrasion to metal tube surface, help to improve the processing quality of device.
3. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that described to press block
(16)Lower end is equipped with cushion pad(17).
4. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that the rotor plate
(20)The pedestal of upper right side(1)It is equipped with reinforcing plate(19), reinforcing plate(19)For the metallic plate thickened.
5. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that the driving motor
(8)It is bolted on protection cap(7)On.
6. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that the sliding shoe
(11)For drum block.
7. the portable swan neck system of structural metal pipeline according to claim 1, which is characterized in that the driving motor
(8), telescopic hydraulic bar(15)And hoist engine(13)It is electrically connected control panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810177949.7A CN108246855A (en) | 2018-03-05 | 2018-03-05 | A kind of portable swan neck system of structural metal pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810177949.7A CN108246855A (en) | 2018-03-05 | 2018-03-05 | A kind of portable swan neck system of structural metal pipeline |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108246855A true CN108246855A (en) | 2018-07-06 |
Family
ID=62744106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810177949.7A Pending CN108246855A (en) | 2018-03-05 | 2018-03-05 | A kind of portable swan neck system of structural metal pipeline |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108246855A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804019A1 (en) * | 1978-01-31 | 1979-08-02 | Franz Schuck | Tube bending machine - with heater and claws on radius arm to prevent oval deformation |
JPS60145225A (en) * | 1983-12-29 | 1985-07-31 | Mitsubishi Heavy Ind Ltd | Bending device of pipe |
CN201482836U (en) * | 2009-08-10 | 2010-05-26 | 湖北中建三局建筑工程技术有限责任公司 | Floating resistant anchor rod bending equipment and system thereof |
CN203076387U (en) * | 2012-09-29 | 2013-07-24 | 安徽省宁国市晨光汽车零部件有限公司 | Pipe bender |
CN203484579U (en) * | 2013-10-09 | 2014-03-19 | 浙江海洋学院 | Steel bar bending machine |
CN103691779A (en) * | 2013-12-19 | 2014-04-02 | 宁波千普机械制造有限公司 | Multi-angle hydraulic pipe bender |
CN204866962U (en) * | 2015-07-06 | 2015-12-16 | 南通雷亨塑料制品有限公司 | Novel tube mould of bending |
CN105344760A (en) * | 2015-12-04 | 2016-02-24 | 佛山高富中石油燃料沥青有限责任公司 | Pipe bending device |
CN206936072U (en) * | 2017-05-16 | 2018-01-30 | 冯永灿 | A kind of structural metal pipeline portable tube bending machine |
-
2018
- 2018-03-05 CN CN201810177949.7A patent/CN108246855A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804019A1 (en) * | 1978-01-31 | 1979-08-02 | Franz Schuck | Tube bending machine - with heater and claws on radius arm to prevent oval deformation |
JPS60145225A (en) * | 1983-12-29 | 1985-07-31 | Mitsubishi Heavy Ind Ltd | Bending device of pipe |
CN201482836U (en) * | 2009-08-10 | 2010-05-26 | 湖北中建三局建筑工程技术有限责任公司 | Floating resistant anchor rod bending equipment and system thereof |
CN203076387U (en) * | 2012-09-29 | 2013-07-24 | 安徽省宁国市晨光汽车零部件有限公司 | Pipe bender |
CN203484579U (en) * | 2013-10-09 | 2014-03-19 | 浙江海洋学院 | Steel bar bending machine |
CN103691779A (en) * | 2013-12-19 | 2014-04-02 | 宁波千普机械制造有限公司 | Multi-angle hydraulic pipe bender |
CN204866962U (en) * | 2015-07-06 | 2015-12-16 | 南通雷亨塑料制品有限公司 | Novel tube mould of bending |
CN105344760A (en) * | 2015-12-04 | 2016-02-24 | 佛山高富中石油燃料沥青有限责任公司 | Pipe bending device |
CN206936072U (en) * | 2017-05-16 | 2018-01-30 | 冯永灿 | A kind of structural metal pipeline portable tube bending machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108555085A (en) | A kind of metallic conduit swan neck system with automatic regulation function | |
CN202245847U (en) | Counterweight device and engineering machine | |
CN203443869U (en) | Bending fatigue test device for steel wire rope | |
CN105790150B (en) | A kind of cable aligns pulley bracket | |
CN108246855A (en) | A kind of portable swan neck system of structural metal pipeline | |
CN208166419U (en) | A kind of Architectural Equipment hanging apparatus | |
CN206676956U (en) | A kind of minor diameter round straightener | |
CN207020006U (en) | A kind of multi-functional Apparatus for Bending at low-temp | |
CN102350549A (en) | Wire cutting machine | |
CN212269250U (en) | Automatic adjusting device for hook falling speed of crane hook | |
CN208107065U (en) | A kind of Mobile counterweight mechanism for engineering machinery | |
CN203973355U (en) | Steel strand wires automatic gas cutting machine | |
CN1887667B (en) | Automatic roller-cleaning device | |
CN105290488B (en) | Automatic lifting plate shearing machine of back stop device | |
CN212270518U (en) | Wear-resisting corrosion-resistant wire rope pre-compression device | |
CN205328478U (en) | Heavy balanced tower crane | |
CN211672940U (en) | Industrial robot human-computer interface control device controlled by computer PLC | |
CN105862604A (en) | Dual-drive automatic tube penetrating machine and method | |
CN209050394U (en) | One Seed packaged band shaping equipment | |
CN208814557U (en) | A kind of pulley combination lift structure | |
CN201971462U (en) | Lifting regulating device for pipe bundle emptying | |
CN207057793U (en) | Tin machine on a kind of accurate enamel-covered wire | |
CN105970827A (en) | Device and method for automatically threading pipe | |
CN202316697U (en) | Quick adjusting device for upper roller of three-roller plate roll | |
CN206122403U (en) | Fluid pressure type levelling arm |
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: 20180706 |
|
RJ01 | Rejection of invention patent application after publication |