CN106089042A - A kind of from mobile diagonal orientation base plate armature boring chassis - Google Patents
A kind of from mobile diagonal orientation base plate armature boring chassis Download PDFInfo
- Publication number
- CN106089042A CN106089042A CN201610544674.7A CN201610544674A CN106089042A CN 106089042 A CN106089042 A CN 106089042A CN 201610544674 A CN201610544674 A CN 201610544674A CN 106089042 A CN106089042 A CN 106089042A
- Authority
- CN
- China
- Prior art keywords
- underframe
- base plate
- guiding mechanism
- added
- rig
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 description 14
- 239000011435 rock Substances 0.000 description 10
- 239000003245 coal Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of from mobile diagonal orientation base plate armature boring chassis, including underframe (1), workpiece (2), added (3) and device positioning element (4)；Added it is fixedly mounted on underframe；Workpiece is arranged on underframe, including body (21), front and back guiding mechanism (22), front and back detent mechanism (23), left and right guiding mechanism (24), left and right detent mechanism (25), rig installing rack (26) and rig (27)；Device positioning element includes that location supports bi-directional expansion hydraulic cylinder (41) and control valve group and pumping plant (42), and support bi-directional expansion hydraulic cylinder body centrosymmetry in two pieces location is vertically fixedly mounted in added or underframe diagonal positions.This is simple from mobile diagonal orientation base plate armature boring trolley structure, it is possible to realize quickly holing roadway floor on the premise of providing reverse holding power in boring procedure, overall raising rockbolt installation speed, is adapted to the requirement of Quick Road-Made.
Description
Technical field
The present invention relates to a kind of drilling jumbo, specifically one be applicable to underground coal mine roadway floor carries out anchor pole of holing
The most mobile diagonal orientation base plate armature boring chassis of supporting, belongs to down-hole support equipment technical field.
Background technology
Due to the self-characteristic of different depth rock mass and the difference of residing ambient stress around tunnel, transported by geologic rhythm
The factor impacts such as dynamic, ground water pressure, country rock easily produces Incoordinate deformation, exploits especially for underground coal mine, top, tunnel, the end
Plate and two helps country rock to be deformed and move in tunnel, and the phenomenon that wherein roadway floor or gob floor upwards swell is i.e.
Referred to as pucking, pucking is a kind of dynamic phenomenon often occurred in roadway, it and the character of country rock, mining influence, mining depth
And geological structure etc. is directly related, some Floor Heave in Roadway amount of domestic mine even account for top, tunnel, the base plate amount of shifting near 70% with
On, bigger particular for mining depth, have that stress is high, temperature is high, subsoil water hydraulic pressure is high, strength of turbulence is high, danger of burst
The deep-seated setting of feature, high stress and soft rock mine roadway and the chambers such as height, creep is obvious, deformation is big, pucking makes roadway deformation, section become
Little, drastically influence the links such as mine ventilation, transport and personnel's walking, restriction mine safety and high-yield and high-efficiency and produce.
Underground coal mine prevents the generation of pucking phenomenon from not only wanting reinforcement roadway support, reinforced design method, and will be according to specifically
Wall rock geology condition take measures pucking amount is reduced to allowed band, generally use method for strengthening, destressing method, combination method and add
Gu the methods such as tunnel side, angle reduce pucking phenomenon, wherein method for strengthening is to be enclosed base plate by raising floor rocks intensity or raising
The supporting power of rock reaches the purpose of floor lift control, is a kind of the most frequently used pucking control method.
Improve the intensity of floor rocks, mainly have floor grouting, floor bolting etc., base plate is being used suspension roof support
Needing during operation first to hole base plate, traditional method need to be with pin or reversely air leg support above drilling rod in boring procedure
On back, to provide reverse holding power, but due in order to ensure that roadway floor does not destroys before installing anchor pole, it is necessary to
Installing anchor pole in driving face certain distance, the size of this distance is relevant with the character of floor rock, typically should be little
In 10 meters, the most unaffected in order to ensure tunnelling speed, the speed of usual rockbolt installation wants fast, and this traditional brill
Hole method operation not only complicated, manpower and materials consume big, and hole and install the speed of anchor pole compared with slow, efficiency is low, inadaptable
Requirement in Quick Road-Made.
Summary of the invention
For the problems referred to above, the present invention provides a kind of from mobile diagonal orientation base plate armature boring chassis, simple in construction, energy
Realize quickly roadway floor being carried out drilling operation, and then entirety carries on the premise of reverse holding power is enough provided in boring procedure
High rockbolt installation speed, is adapted to the requirement of Quick Road-Made.
For achieving the above object, this includes underframe, workpiece, added from a mobile diagonal orientation base plate armature boring chassis
With device positioning element；
Described added being fixedly mounted on underframe, underframe bottom is provided with at least one deflecting roller and at least includes one group of coaxially side
To the drivewheel arranged, drivewheel is connected with driving hydraulic motor, and deflecting roller is connected with steering hydraulic motor, and underframe is additionally provided with
Working pedal and guidance panel；
Described workpiece is arranged on underframe, including body, front and back guiding mechanism, front and back detent mechanism, left and right Guiding machine
Structure, left and right detent mechanism, rig installing rack and rig；Before and after body is arranged by fore-and-aft direction, guiding mechanism is erected at underframe
On；Front and back detent mechanism is equipped with on front and back's guiding mechanism；The left and right that rig installing rack is arranged by left and right directions guides
Mechanism rack is located on body；Left and right detent mechanism is equipped with on the guiding mechanism of left and right；Rig is vertically arranged and is arranged on rig
On installing rack；
Described device positioning element includes that location supports bi-directional expansion hydraulic cylinder and control valve group and pumping plant；Location supports two-way
Telescopic hydraulic cylinder is set to two pieces, and two pieces location supports bi-directional expansion hydraulic cylinder body centrosymmetry and is vertically fixedly mounted on added
Or in underframe diagonal positions, its piston end end is provided with support seat；Control valve group and pumping plant be arranged on underframe or added on, control
The outfan of valve group processed and pumping plant is supported bi-directional expansion hydraulic cylinder respectively, drives hydraulic motor and turn by fluid pressure line with location
Connect to hydraulic motor.
Scheme as a further improvement on the present invention, described body is by angle regulation positioning device and Guiding machine front and back
Structure connects.
Scheme as a further improvement on the present invention, described rig installing rack passes through angle regulation positioning device and left and right
Guiding mechanism connects.
Scheme as a further improvement on the present invention, described underframe and added be all frame structure.
Scheme as a further improvement on the present invention, described underframe and/or added frame structure two sides are provided with
Supporting rib stiffener arranged in a crossed manner.
Scheme as a further improvement on the present invention, described Working pedal is provided with seat.
Compared with prior art, this is arranged on underframe owing to being provided with from mobile diagonal orientation base plate armature boring chassis
Added, location supports bi-directional expansion hydraulic cylinder and control valve group and pumping plant is arranged on added or underframe, is therefore controlled by operation
Valve group processed and pumping plant make location support bi-directional expansion hydraulic cylinder is the most two-way stretches out, location supports the support of bi-directional expansion hydraulic cylinder
Seat acts against and makes underframe form stable rigid support between back and base plate on top board and base plate, rig during boring
Drilling rod pierce the counteracting force that base plate produces and act on underframe by rig installing rack, body, underframe by active force by calmly
Position supports bi-directional expansion hydraulic cylinder and directly acts on back and base plate, therefore need not use pin above the drilling rod of rig
Or reversely air leg is supported on back to provide reverse holding power；Owing to workpiece is provided with before and after's guiding mechanism, front and back
Detent mechanism, left and right guiding mechanism, left and right detent mechanism, it is fixed to realize after therefore being had good positioning by steady for this base plate anchor pole boring device
One position of point can complete the multiple rows of or operation in multiple row hole, i.e. can realize rig at front and back's guiding mechanism and left and right Guiding machine
All full lines and the bore position of permutation in structure stroke range carry out location boring；This bores from mobile diagonal orientation base plate anchor pole
Hole trolley structure is simple, easily operated to be controlled from mobile, can carry out rockbolt installation, hole and install anchor pole after completing boring
Speed, installation effectiveness are high, are adapted to the requirement of Quick Road-Made, use base plate anchor when being particularly well-suited to administer Floor Heave in Roadway
The Quick mounting anchor rod of bar supporting.
Accompanying drawing explanation
Fig. 1 is the three dimensional structure schematic diagram of the present invention.
In figure: 1, underframe, 11, drivewheel, 12, drive hydraulic motor, 13, deflecting roller, 14, Working pedal, 2, work portion
Part, 21, body, 22, front and back guiding mechanism, 23, front and back detent mechanism, 24, left and right guiding mechanism, 25, left and right detent mechanism,
26, rig installing rack, 27, rig, 3, added, 4, device positioning element, 41, location, top supporting cylinder, 42, location, bottom
Supporting cylinder, 43, control valve group and pumping plant.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, this includes underframe 1, workpiece 2, added 3 and from mobile diagonal orientation base plate armature boring chassis
Device positioning element 4.
Described added 3 are fixedly mounted on underframe 1, and underframe 1 bottom is provided with at least one deflecting roller 13 and at least includes
The drivewheel 11 that one group of coaxial direction is arranged, drivewheel 11 is connected with driving hydraulic motor 12, deflecting roller 13 and steering hydraulic horse
Reach connection, underframe 1 is additionally provided with Working pedal 14 and guidance panel.
Described workpiece 2 is arranged on underframe 1, including body 21, front and back guiding mechanism 22, front and back detent mechanism
23, left and right guiding mechanism 24, left and right detent mechanism 25, rig installing rack 26 and rig 27；Body 21 is arranged by fore-and-aft direction
Before and after guiding mechanism 22 be erected on underframe 1；Front and back detent mechanism 23 is equipped with on front and back's guiding mechanism 22, body 21
Can by front and back's guiding mechanism 22 and front and back detent mechanism 23 fore-and-aft direction on underframe 1 move and position；Rig installing rack
The 26 left and right guiding mechanisms 24 arranged by left and right directions are erected on body 21；Left and right detent mechanism 25 is equipped with in left and right
On guiding mechanism 24, rig installing rack 26 can pass through left and right guiding mechanism 24 and left and right detent mechanism 25 left and right on body 21
Direction is moved and is positioned；Rig 27 is vertically arranged and is arranged on rig installing rack 26.
Described device positioning element 4 includes that location supports bi-directional expansion hydraulic cylinder 41 and control valve group and pumping plant 42；By
In supporting cylinder be vertically arranged in support on the diagonal supporting leg of support body more firm, therefore location support bi-directional expansion hydraulic pressure
Cylinder 41 is set to two pieces, two pieces location support bi-directional expansion hydraulic cylinder 41 cylinder body centrosymmetry be vertically fixedly mounted on added 3 or
In underframe 1 diagonal positions, its piston end end is provided with support seat；Control valve group and pumping plant 42 are arranged on underframe 1 or added 3
On, the outfan of control valve group and pumping plant 42 is supported bi-directional expansion hydraulic cylinder 41 respectively, drives liquid by fluid pressure line with location
Pressure motor 12 and steering hydraulic motor connect.
Operator are manipulated by valve group on Working pedal 14 guidance panel and pumping plant 43 controls to drive hydraulic pressure horse
Reach 12 actions by this after movement diagonal orientation base plate armature boring chassis stays in and need to carry out on the roadway floor of base plate boring
Operation control valve group and pumping plant 42 make location support bi-directional expansion hydraulic cylinder about 41 is two-way stretches out, location supports bi-directional expansion liquid
The support seat of cylinder pressure 41 acts against and makes underframe 1 form rigid support between back and base plate, then on top board and base plate
Unclamp before and after's detent mechanism 23 and left and right detent mechanism 25, before locking after mobile body 21 to fore-and-aft direction needs the position of boring
Rear detent mechanism 23, locks left and right detent mechanism after then needing the position of boring on mobile drill installing rack 26 to left and right directions
25, rig 27, the most just to bore position, starts rig 27 and carries out holing, and during boring, the drilling rod of rig 27 pierces base plate product
Raw counteracting force acts on underframe 1 by rig installing rack 26, body 21, and active force is supported two-way by location by underframe 1
Telescopic hydraulic cylinder 41 directly acts on back and base plate；Be drilled first Kong Houke directly unclamp before and after's detent mechanism 23 or
Left and right detent mechanism 25 carries out the bore position on fore-and-aft direction or left and right directions and adjusts the drilling operation realizing a row or string.
In order to realize this equipment can on fore-and-aft direction non-fully the roadway floor of level carry out vertical drilling, Jin Erzeng
The suitability of university degree equipment, as a further improvement on the present invention scheme, described body 21 passes through angle regulation positioning device
It is connected with front and back guiding mechanism 22, makes the drilling rod of rig 27 be perpendicular in the longitudinal direction by regulation angle regulation positioning device
The roadway floor of non-fully level and lock, vertical drilling can be realized.
In order to realize this equipment can on left and right directions non-fully the roadway floor of level carry out vertical drilling, Jin Erzeng
The suitability of university degree equipment, as a further improvement on the present invention scheme, described rig installing rack 26 is fixed by angular adjustment
Position mechanism is connected with left and right guiding mechanism 24, makes the drilling rod of rig 27 be perpendicular in left and right by regulation angle regulation positioning device
The roadway floor of the non-fully level on direction also locks, and can realize vertical drilling.
In order to alleviate the overall weight of whole device so that moving, scheme as a further improvement on the present invention, described
Underframe 1 and added 3 be all frame structure.
In order to increase the integrated support intensity of this equipment, scheme as a further improvement on the present invention, described underframe 1
And/or the frame structure two sides of added 3 are provided with supporting rib stiffener arranged in a crossed manner.
In order to alleviate labor intensity of operating staff, scheme as a further improvement on the present invention, described Working pedal 14
It is provided with seat.
This is from mobile diagonal orientation base plate armature boring chassis owing to being provided with added 3 be arranged on underframe 1, and location supports
Bi-directional expansion hydraulic cylinder 41 and control valve group and pumping plant 42 be arranged on added 3 or underframe 1 on, be therefore manipulated by valve group and
Pumping plant 42 make location support bi-directional expansion hydraulic cylinder about 41 is two-way stretches out, location supports the support seat of bi-directional expansion hydraulic cylinder 41
Act against and on top board and base plate, make underframe 1 form stable rigid support between back and base plate, rig during boring
The drilling rod of 27 pierces the counteracting force of base plate generation and acts on underframe 1 by rig installing rack 26, body 21, and underframe 1 will effect
Power supports bi-directional expansion hydraulic cylinder 41 by location and directly acts on back and base plate, therefore need not the brill at rig 27
It is supported on back to provide reverse holding power with pin or reverse air leg above bar；Before and after being provided with due to workpiece 2
Guiding mechanism 22, front and back detent mechanism 23, left and right guiding mechanism 24, left and right detent mechanism 25, therefore surely bore this base plate anchor pole
Device can realize pinpointing a position after having good positioning can complete the multiple rows of or operation in multiple row hole, i.e. can realize rig 27 and exist
Front and back the bore position of all full lines in guiding mechanism 22 and left and right guiding mechanism 24 stroke range and permutation carries out spitting drill
Hole；This controls, after completing boring from simple, easily operated certainly movement of mobile diagonal orientation base plate armature boring trolley structure
Carry out rockbolt installation, hole and the speed of anchor pole, installation effectiveness height are installed, being adapted to the requirement of Quick Road-Made, the suitableeest
The Quick mounting anchor rod of floor bolting is used during for Floor Heave in Roadway is administered.
Claims (6)
1. from a mobile diagonal orientation base plate armature boring chassis, including rig (27), it is characterised in that also include underframe
(1), workpiece (2), added (3) and device positioning element (4)；
Described added (3) are fixedly mounted on underframe (1), and underframe (1) bottom is provided with at least one deflecting roller (13) and at least
The drivewheel (11) arranged including one group of coaxial direction, drivewheel (11) is connected with driving hydraulic motor (12), deflecting roller (13)
It is connected with steering hydraulic motor, underframe (1) is additionally provided with Working pedal (14) and guidance panel；
Described workpiece (2) is arranged on underframe (1), including body (21), front and back guiding mechanism (22), front and back localization machine
Structure (23), left and right guiding mechanism (24), left and right detent mechanism (25), rig installing rack (26) and rig (27)；Body (21) leads to
Cross guiding mechanism (22) before and after fore-and-aft direction is arranged to be erected on underframe (1)；Front and back detent mechanism (23) is equipped with front
On rear guiding mechanism (22)；The left and right guiding mechanism (24) that rig installing rack (26) is arranged by left and right directions is erected at body
(21) on；Left and right detent mechanism (25) is equipped with on left and right guiding mechanism (24)；Described rig (27) is vertically arranged peace
It is contained on rig installing rack (26)；
Described device positioning element (4) includes that location supports bi-directional expansion hydraulic cylinder (41) and control valve group and pumping plant (42)；
Location supports bi-directional expansion hydraulic cylinder (41) and is set to two pieces, and two pieces location supports bi-directional expansion hydraulic cylinder (41) cylinder body center pair
Claiming vertically to be fixedly mounted in added (3) or underframe (1) diagonal positions, its piston end end is provided with support seat；Control valve group
And pumping plant (42) is arranged on underframe (1) or added (3), the outfan of control valve group and pumping plant (42) is by fluid pressure line respectively
Support bi-directional expansion hydraulic cylinder (41) with location, drive hydraulic motor (12) and steering hydraulic motor to be connected.
The most according to claim 1 from mobile diagonal orientation base plate armature boring chassis, it is characterised in that described body
(21) it is connected with front and back's guiding mechanism (22) by angle regulation positioning device.
The most according to claim 1 and 2 from mobile diagonal orientation base plate armature boring chassis, it is characterised in that described
Rig installing rack (26) is connected with left and right guiding mechanism (24) by angle regulation positioning device.
The most according to claim 3 from mobile diagonal orientation base plate armature boring chassis, it is characterised in that described underframe
And added (3) are all frame structures (1).
The most according to claim 4 from mobile diagonal orientation base plate armature boring chassis, it is characterised in that described underframe
And/or the frame structure two sides of added (3) are provided with supporting rib stiffener arranged in a crossed manner (1).
The most according to claim 1 from mobile diagonal orientation base plate armature boring chassis, it is characterised in that described work
Pedal (14) is provided with seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544674.7A CN106089042A (en) | 2016-07-12 | 2016-07-12 | A kind of from mobile diagonal orientation base plate armature boring chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544674.7A CN106089042A (en) | 2016-07-12 | 2016-07-12 | A kind of from mobile diagonal orientation base plate armature boring chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089042A true CN106089042A (en) | 2016-11-09 |
Family
ID=57219738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610544674.7A Pending CN106089042A (en) | 2016-07-12 | 2016-07-12 | A kind of from mobile diagonal orientation base plate armature boring chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089042A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278086A (en) * | 2018-01-31 | 2018-07-13 | 通号（长沙）轨道交通控制技术有限公司 | A kind of positioning drilling platform for urban track traffic |
| CN114473506A (en) * | 2022-02-28 | 2022-05-13 | 江门银特银数控机床有限公司 | Drilling and chamfering machine |
-
2016
- 2016-07-12 CN CN201610544674.7A patent/CN106089042A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278086A (en) * | 2018-01-31 | 2018-07-13 | 通号（长沙）轨道交通控制技术有限公司 | A kind of positioning drilling platform for urban track traffic |
| CN114473506A (en) * | 2022-02-28 | 2022-05-13 | 江门银特银数控机床有限公司 | Drilling and chamfering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
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| WD01 | Invention patent application deemed withdrawn after publication |