[go: up one dir, main page]

CN108953409A - A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass - Google Patents

A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass Download PDF

Info

Publication number
CN108953409A
CN108953409A CN201811115031.6A CN201811115031A CN108953409A CN 108953409 A CN108953409 A CN 108953409A CN 201811115031 A CN201811115031 A CN 201811115031A CN 108953409 A CN108953409 A CN 108953409A
Authority
CN
China
Prior art keywords
torsion pass
bolt
coupling
flange
friction
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.)
Withdrawn
Application number
CN201811115031.6A
Other languages
Chinese (zh)
Inventor
瞿志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Chuangming Transmission Engineering Co Ltd
Original Assignee
Wuxi Chuangming Transmission Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Chuangming Transmission Engineering Co Ltd filed Critical Wuxi Chuangming Transmission Engineering Co Ltd
Priority to CN201811115031.6A priority Critical patent/CN108953409A/en
Publication of CN108953409A publication Critical patent/CN108953409A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/56Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The invention belongs to mechanical equipment transmission fields, it is related to a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass, flexible laminated membrane coupling is symmetrical centered on two synchronizing shaft intermediate spaces, on side, synchronizing shaft penetrates coupling flange inner hole, and connect with coupling flange interference, is equipped with active torsion pass bolt part in stove bolt hole in coupling flange, active torsion pass bolt part one end is fixedly connected with coupling flange, and the other end passes through torsion pass lamination and extend into the king-bolt hole on adapter flange;Driven torsion pass bolt part is equipped in king-bolt hole in coupling flange, driven torsion pass bolt part one end passes through the king-bolt hole of coupling flange, and the other end passes through torsion pass lamination and extend into the stove bolt hole on adapter flange, and is fixedly connected with adapter flange;The present invention reaches the flexible laminated membrane coupling for increasing system stiffness, and then eliminate torsion pass gap, to realize the Synchronous lifting function of synchronizing shaft in synchronization lifting system by tightening bolt increasing friction force.

Description

A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass
Technical field
The present invention relates to a kind of flexible laminated membrane coupling, specially a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass, Belong to mechanical equipment transmission field.
Background technique
Indispensable auxiliary facility hydraulic power ship lifter needs to reach benefit using synchronous shaft system in large hydropower station construction With the purpose in waterpower Synchronous lifting ship compartment, guarantee the even running of ship compartment, realizes lockage watercraft safety lockage.Before using tooth-like Certain project hydraulic power ship lifter synchronous shaft system lifting device of axis device transmission is found during actual test Synchronous Transmission: same The different parts for walking axis lifting system cause to be promoted asynchronous there are biggish drive gap, cause ship compartment local dip, can not Realize the Synchronous lifting function of synchronizing shaft in synchronization lifting system.
Summary of the invention
It is driven not in synchronizing shaft transmission using gear coupling in synchronization lifting system it is an object of the invention to overcome Foot place, the flexible laminated membrane coupling for providing a kind of big rigidity zero clearance friction torsion pass reach increasing by tightening bolt increasing friction force The flexible laminated membrane coupling of big system stiffness, and then torsion pass gap is eliminated, to realize the Synchronous lifting of synchronizing shaft in synchronization lifting system Function.
To realize the above technical purpose, the technical scheme is that a kind of lamination of big rigidity zero clearance friction torsion pass Shaft coupling, the flexible laminated membrane coupling connect two synchronizing shafts, which is characterized in that including coupling flange, active torsion pass bolt part, Driven torsion pass bolt part, adapter flange and switching bolt part, the flexible laminated membrane coupling is centered on two synchronizing shaft intermediate spaces Symmetrically, on side, the synchronizing shaft penetrates the inner hole of coupling flange, and connect with coupling flange interference, in institute It states coupling flange inner hole outer edge to set there are four spaced apart stove bolt hole, active torsion pass bolt is equipped in stove bolt hole One end of part, the active torsion pass bolt part is fixedly connected with coupling flange, and the other end passes through torsion pass lamination and extend into switching In king-bolt hole on flange;Four spaced apart king-bolt holes are additionally provided in the coupling flange inner hole outer edge, Driven torsion pass bolt part is equipped in king-bolt hole, one end of the driven torsion pass bolt part passes through the king-bolt of coupling flange Hole, the other end passes through torsion pass lamination and extend into the stove bolt hole on adapter flange, and is fixedly connected with adapter flange.
Further, the active torsion pass bolt part includes active torsion pass bolt, the first thick washer, the first thin washer and master Dynamic locking nut, the active torsion pass bolt pass through the stove bolt hole of coupling flange, on the active torsion pass bolt successively It is cased with the first thin washer, multiple torsion pass laminations, the first thick washer, and active torsion pass bolt passes through the king-bolt on adapter flange Hole, and locked by active locking nut.
Further, the first of the active torsion pass bolt part the thin washer side and coupling flange CONTACT WITH FRICTION, it is another The side CONTACT WITH FRICTION of side and torsion pass lamination, the other side of the torsion pass lamination and the first thick washer of active torsion pass bolt part rub Wipe contact, the first thick washer of the active torsion pass bolt part and the king-bolt hole inner wall CONTACT WITH FRICTION of adapter flange.
Further, the driven torsion pass bolt part include driven torsion pass bolt, the second thick washer, the second thin washer and from Dynamic locking nut, the driven torsion pass bolt pass through the king-bolt hole of coupling flange, on the driven torsion pass bolt successively It is cased with the second thick washer, multiple torsion pass laminations, the second thin washer, and driven torsion pass bolt passes through the stove bolt on adapter flange Hole, and pass through driven locking nut check.
Further, the described second thin washer side and adapter flange CONTACT WITH FRICTION, the side of the other side and torsion pass lamination CONTACT WITH FRICTION, the other side of the torsion pass lamination and the second thick washer CONTACT WITH FRICTION, second thick washer and coupling flange King-bolt hole inner wall CONTACT WITH FRICTION.
Further, the switching bolt part includes switching bolt and switching nut, in the outer edge of the adapter flange Equipped with several equally distributed bolts hole, the switching bolt is each passed through the bolt hole of the adapter flange of two sides, and passes through Switching nut check.
Further, the switching bolt and switching nut are interchangeable in the position of two sides.
Compared with traditional gear coupling, flexible laminated membrane coupling of the invention is had the advantage that
1) the configuration of the present invention is simple, it is easy for installation;
2) flexible laminated membrane coupling of the invention is by increasing a whole set of synchronous shaft system torsion stiffness, reducing the gap in synchronizing shaft transmission (by tightening torsion pass bolt part, switching bolt part, and increasing the coefficient of friction of adapter flange), achievees the purpose that Synchronous lifting, It ensure that the synchronism of synchronization lifting system lifting process, realize that waterpower is synchronous and rise ship, ensured lockage watercraft safety lockage;
3) flexible laminated membrane coupling of the invention is suitable for the shaft coupling transmission occasion that spindle nose length is longer, has particular/special requirement, and is class It selects shaft coupling to provide a kind of feasible alternative like lifting device, can effectively achieve the effect that Synchronous lifting.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the invention.
Fig. 2 is the half section schematic of A-A in Fig. 1.
Description of symbols: 1- active torsion pass bolt, 2- coupling flange, the first thick washer of 3-, 4- torsion pass lamination, 5- One thin washer, 6- adapter flange, 7- switching bolt, 8- active locking nut, 9- switching nut, 10- synchronizing shaft, the driven biography of 11- Turn round bolt, the second thick washer of 31-, the thin washer of 51- second, the driven locking nut of 81-.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
As shown in Figure 1 and Figure 2, a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass, the flexible laminated membrane coupling Connect two synchronizing shafts 10, which is characterized in that including coupling flange 2, active torsion pass bolt part, driven torsion pass bolt part, turn Acting flange 6 and switching bolt part, the flexible laminated membrane coupling is symmetrical centered on two 10 intermediate spaces of synchronizing shaft, in side On, the synchronizing shaft 10 penetrates the inner hole of coupling flange 2, and connect with 2 interference of coupling flange;In the coupling flange 2 inner hole outer edges are set there are four spaced apart stove bolt hole, and active torsion pass bolt part, the active are equipped in stove bolt hole One end of torsion pass bolt part is fixedly connected with coupling flange 2, and the other end passes through torsion pass lamination 4 and extend on adapter flange 6 In king-bolt hole;Four spaced apart king-bolt holes are additionally provided in the 2 inner hole outer edge of coupling flange, in king-bolt hole Interior to be equipped with driven torsion pass bolt part, one end of the driven torsion pass bolt part passes through the king-bolt hole of coupling flange 2, the other end It is extend into the stove bolt hole on adapter flange 6 across torsion pass lamination 4, and be fixedly connected with adapter flange 6, in coupling flange King-bolt hole and stove bolt hole on 2 are spaced apart;
The active torsion pass bolt part includes active torsion pass bolt 1, the first thick washer 3, the first thin washer 5 and active locking nut 8, the active torsion pass bolt 1 passes through the stove bolt hole of coupling flange 2, and the is successively cased on the active torsion pass bolt 1 One thin washer 5, multiple torsion pass laminations 4, the first thick washer 3, and active torsion pass bolt 1 passes through the king-bolt hole on adapter flange 6, And it is locked by active locking nut 8;Thin 5 side of washer of the first of the active torsion pass bolt part and coupling flange 2 rub Contact, the side CONTACT WITH FRICTION of the other side and torsion pass lamination 4, the other side and the active torsion pass bolt part of the torsion pass lamination 4 First thick washer, 3 CONTACT WITH FRICTION, the king-bolt hole inner wall of the first thick washer 3 and adapter flange 6 of the active torsion pass bolt part CONTACT WITH FRICTION;
The driven torsion pass bolt part includes driven torsion pass bolt 11, the second thick washer 31, the second thin washer 51 and driven locking Nut 81, the driven torsion pass bolt 11 pass through the king-bolt hole of coupling flange 2, on the driven torsion pass bolt 11 successively It is cased with the second thick washer 31, multiple torsion pass laminations 4, the second thin washer 51, and driven torsion pass bolt 11 passes through on adapter flange 6 Stove bolt hole, and locked by driven locking nut 81;Second thin 51 side of washer and 6 CONTACT WITH FRICTION of adapter flange, separately The side CONTACT WITH FRICTION of side and torsion pass lamination 4, the other side of the torsion pass lamination 4 and 31 CONTACT WITH FRICTION of the second thick washer, institute State the king-bolt hole inner wall CONTACT WITH FRICTION of the second thick washer 31 and coupling flange 2;
The switching bolt part includes switching bolt 7 and switching nut 9, is equipped with several in the outer edge of the adapter flange 6 Equally distributed bolt hole, the switching bolt 7 are each passed through the bolt hole of the adapter flange 6 of two sides, and pass through switching nut 9 Locking;The switching bolt 7 and switching nut 9 are interchangeable in the position of two sides.
The course of work of the invention: applying torsion on synchronizing shaft 10, due to synchronizing shaft 10 and the fixed company of coupling flange part 2 It connects, just torsion is transmitted on coupling flange part 2, by being fixed on spaced apart four active torsion passes on coupling flange 2 Torsion is transmitted on the torsion pass lamination 4 of respective pinch by bolt part, and torsion is transmitted to four driven torsion passes by torsion pass lamination 4 On bolt part, torsion is transmitted on adapter flange 6 by driven torsion pass bolt part and torsion pass lamination 4, then passes through adapter flange 6 It is transmitted on adapter flange part, torsion is transmitted to the adapter flange 6 of the other side by adapter flange part, is sequentially delivered to another The driven torsion pass bolt part of side, torsion pass lamination 4, active torsion pass bolt part, coupling flange part 2, on synchronizing shaft 10;Torsion pass bolt Part is locked by torsion pass bolt with locking nut, tightens locking nut by high-torque, by coupling flange 2, thick washer, The parts such as multiple torsion pass laminations 4, thin washer, adapter flange 6 locking, for 10 zero clearance transmissions of synchronizing shaft;Increase friction system Two contact surfaces of several adapter flanges 6 realize two sides switching method by bolt part 7 and switching 9 pressing force of the nut piece compression of transferring The big rigidity of part, zero clearance transmission, realize the flexible laminated membrane coupling after increasing torsion stiffness in 10 zero clearances of synchronizing shaft between orchid 6 The purpose of transmission ensure that the synchronism of synchronization lifting system lifting process, realizes that waterpower is synchronous and rises ship, has ensured lockage ship Safe lockage.
The present invention and its embodiments have been described above, description is not limiting, it is shown in the drawings also only It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those skilled in the art It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution Frame mode and embodiment, are within the scope of protection of the invention.

Claims (7)

1. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass, the flexible laminated membrane coupling connect two synchronizing shafts (10), It is characterised in that it includes coupling flange (2), active torsion pass bolt part, driven torsion pass bolt part, adapter flange (6) and switching Bolt part, the flexible laminated membrane coupling is symmetrical centered on two synchronizing shaft (10) intermediate spaces, on side, the synchronization Axis (10) penetrates the inner hole of coupling flange (2), and connect with coupling flange (2) interference;In the coupling flange (2) Hole outer edge is set there are four spaced apart stove bolt hole, and active torsion pass bolt part is equipped in stove bolt hole, and the active passes The one end for turning round bolt part is fixedly connected with coupling flange (2), and the other end passes through torsion pass lamination (4) and extend into adapter flange (6) On king-bolt hole in;Four spaced apart king-bolt holes are additionally provided in the coupling flange (2) inner hole outer edge, big Driven torsion pass bolt part is equipped in bolt hole, one end of the driven torsion pass bolt part passes through the king-bolt of coupling flange (2) Hole, the other end pass through torsion pass lamination (4) and extend into the stove bolt hole on adapter flange (6), and fix and connect with adapter flange (6) It connects.
2. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as described in claim 1, which is characterized in that the master Dynamic torsion pass bolt part includes active torsion pass bolt (1), the first thick washer (3), the first thin washer (5) and active locking nut (8), The active torsion pass bolt (1) passes through the stove bolt hole of coupling flange (2), successively covers on the active torsion pass bolt (1) There are the first thin washer (5), multiple torsion pass laminations (4), the first thick washer (3), and active torsion pass bolt (1) passes through adapter flange (6) the king-bolt hole on, and locked by active locking nut (8).
3. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as claimed in claim 2, which is characterized in that the master First thin washer (5) side of dynamic torsion pass bolt part and coupling flange (2) CONTACT WITH FRICTION, the other side and torsion pass lamination (4) Side CONTACT WITH FRICTION, the other side of the torsion pass lamination (4) and the first thick washer (3) CONTACT WITH FRICTION of active torsion pass bolt part, The first thick washer (3) of the active torsion pass bolt part and the king-bolt hole inner wall CONTACT WITH FRICTION of adapter flange (6).
4. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as described in claim 1, which is characterized in that it is described from Dynamic torsion pass bolt part includes driven torsion pass bolt (11), the second thick washer (31), the second thin washer (51) and driven locking nut (81), the driven torsion pass bolt (11) passes through the king-bolt hole of coupling flange (2), on the driven torsion pass bolt (11) It is successively cased with the second thick washer (31), multiple torsion pass laminations (4), the second thin washer (51), and driven torsion pass bolt (11) passes through Stove bolt hole on adapter flange (6), and locked by driven locking nut (81).
5. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as claimed in claim 4, which is characterized in that described the Two thin washer (51) sides and adapter flange (6) CONTACT WITH FRICTION, the side CONTACT WITH FRICTION of the other side and torsion pass lamination (4) are described The other side of torsion pass lamination (4) and the second thick washer (31) CONTACT WITH FRICTION, second thick washer (31) and coupling flange (2) King-bolt hole inner wall CONTACT WITH FRICTION.
6. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as described in claim 1, which is characterized in that described turn Connecting bolt part includes switching bolt (7) and switching nut (9), is equipped with several uniformly in the outer edge of the adapter flange (6) The bolt hole of distribution, switching bolt (7) is each passed through the bolt hole of the adapter flange (6) of two sides, and passes through switching nut (9) it locks.
7. a kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass as claimed in claim 6, which is characterized in that described turn Connecting bolt (7) and switching nut (9) are interchangeable in the position of two sides.
CN201811115031.6A 2018-09-25 2018-09-25 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass Withdrawn CN108953409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811115031.6A CN108953409A (en) 2018-09-25 2018-09-25 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811115031.6A CN108953409A (en) 2018-09-25 2018-09-25 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass

Publications (1)

Publication Number Publication Date
CN108953409A true CN108953409A (en) 2018-12-07

Family

ID=64472138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811115031.6A Withdrawn CN108953409A (en) 2018-09-25 2018-09-25 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass

Country Status (1)

Country Link
CN (1) CN108953409A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738777A (en) * 2021-09-13 2021-12-03 中国联合重型燃气轮机技术有限公司 Shaft coupling

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2385134Y (en) * 1997-07-09 2000-06-28 黄天梵 Flexible coupling with butterfly diaphragm
CN201236899Y (en) * 2008-08-14 2009-05-13 无锡创明传动工程有限公司 Diaphragm coupling with ultra-large torque
CN201236898Y (en) * 2008-08-14 2009-05-13 无锡创明传动工程有限公司 Diaphragm coupling with low additional bending moment
CN201934535U (en) * 2010-08-31 2011-08-17 沈阳三环机械厂 Cambered surface type diaphragm coupling
CN203730595U (en) * 2014-02-26 2014-07-23 无锡创明传动工程有限公司 Quick-mounting type laminated flexible coupling
CN104832554A (en) * 2015-04-10 2015-08-12 无锡创明传动工程有限公司 Lamination flexible coupling structure for preventing wrong assembly
CN208997218U (en) * 2018-09-25 2019-06-18 无锡创明传动工程有限公司 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2385134Y (en) * 1997-07-09 2000-06-28 黄天梵 Flexible coupling with butterfly diaphragm
CN201236899Y (en) * 2008-08-14 2009-05-13 无锡创明传动工程有限公司 Diaphragm coupling with ultra-large torque
CN201236898Y (en) * 2008-08-14 2009-05-13 无锡创明传动工程有限公司 Diaphragm coupling with low additional bending moment
CN201934535U (en) * 2010-08-31 2011-08-17 沈阳三环机械厂 Cambered surface type diaphragm coupling
CN203730595U (en) * 2014-02-26 2014-07-23 无锡创明传动工程有限公司 Quick-mounting type laminated flexible coupling
CN104832554A (en) * 2015-04-10 2015-08-12 无锡创明传动工程有限公司 Lamination flexible coupling structure for preventing wrong assembly
CN208997218U (en) * 2018-09-25 2019-06-18 无锡创明传动工程有限公司 A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738777A (en) * 2021-09-13 2021-12-03 中国联合重型燃气轮机技术有限公司 Shaft coupling
CN113738777B (en) * 2021-09-13 2022-11-04 中国联合重型燃气轮机技术有限公司 Shaft coupling

Similar Documents

Publication Publication Date Title
CN208997218U (en) A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass
CN108953409A (en) A kind of flexible laminated membrane coupling of big rigidity zero clearance friction torsion pass
CN103753191A (en) Device and method for fast connection centering for ship shafting flanges
CN109441280B (en) Safety circuit of SI L4 safety-level rail vehicle door controller and control method thereof
CN104038000B (en) Dismantled and assembled copper cage rotor core laminates hot cover process
CN102359186A (en) Temperature stress control expansion joint
EP2644825A3 (en) System and method for coupling rotor components
CN203398928U (en) Expansion bushing for drive motor of electric vehicle
CN106763264B (en) Metal disc-folding flexible coupling
CN212004007U (en) Shaft coupling
CN220470575U (en) Brake-capable transmission mechanism for servo bending machine
CN204034785U (en) Roll squeezer reductor not damaged detaching structure
CN110816557B (en) Emergency fixing device of universal shaft for railcar
CN204942048U (en) A kind of lengthened coupling device
CN211670699U (en) Electric machine
CN201078415Y (en) Safety coupling
CN210774710U (en) Force bearing frame with U-port connecting structure for static test
DE102004035382A1 (en) Modular generator for transmission-free drive of rotors running at low speed for wind driven power generators and upflow wind power plants
CN104140047B (en) Permanent magnetic crane
CN204030902U (en) A kind of rotor end ring structure for double cage motor or deep slot motor
CN202833715U (en) Laminated flexible coupler
CN203696401U (en) Rapid connecting centering device for ship shafting flange
CN102423788A (en) Full hydraulic double-motor energy-saving steel bar straightening and cutting machine
CN217682913U (en) Coupler for machine tool
CN201679936U (en) Dual-friction surface driving flange-type locking plate

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181207