CN201082451Y - Pipe end spinning enlarging turnup device - Google Patents

Pipe end spinning enlarging turnup device Download PDF

Info

Publication number
CN201082451Y
CN201082451Y CNU2007201762756U CN200720176275U CN201082451Y CN 201082451 Y CN201082451 Y CN 201082451Y CN U2007201762756 U CNU2007201762756 U CN U2007201762756U CN 200720176275 U CN200720176275 U CN 200720176275U CN 201082451 Y CN201082451 Y CN 201082451Y
Authority
CN
China
Prior art keywords
pushing body
spinning
face
enlarging
pipe end
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.)
Expired - Fee Related
Application number
CNU2007201762756U
Other languages
Chinese (zh)
Inventor
王国栋
虞明星
白秉仁
红鹰
肖聚亮
李淑民
韩小宁
王刚
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.)
Tianjin University
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
Offshore Oil Engineering Qingdao Co Ltd
Original Assignee
Tianjin University
China National Offshore Oil Corp CNOOC
Offshore Oil 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 Tianjin University, China National Offshore Oil Corp CNOOC, Offshore Oil Engineering Co Ltd filed Critical Tianjin University
Priority to CNU2007201762756U priority Critical patent/CN201082451Y/en
Application granted granted Critical
Publication of CN201082451Y publication Critical patent/CN201082451Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a spinning and flaring edge flanging machine at the pipe end. The utility model comprises an opening used for a spanning head and a pushing body threading out and arranged on one side wall of the machine frame and an opening for penetrating through guiding axles, the two guiding axles are respectively fixed with a spanning processing equipment after threading out the opening on the side wall of machine frame at one end, and the other end is fixed at the opening at the other side wall of the machine frame through penetrating, a casing body adopts an opening shaped barrel body, more than a group of sliding bearings are correspondingly arranged on the outer side face of the casing body, and is movably fixed on the two guiding axles though the sliding bearings, the pushing body with a spanning head and a hydraulic motor of a driving pushing body are arranged inside the casing body, the spanning head is inserted and fixed on the front end face of the pushing body, a connecting hole for connecting the output axle of the hydraulic motor is arranged on the rear end face of the pushing body, to ensure that the pushing body moves forward and backward and is driven in a screwing way, and the connecting hole connected with a pushing oil cylinder and an oil hole connected with the hydraulic system are arranged at the bottom part of the casing body; the utility model installed on the spanning processing equipment is used for processing various kinds of flaring edges at the pipe end or processing the spanning and forming of the large scale end socket, the processing quality is good, the loading is stable, the noise is smaller, and the operating efficiency is high.

Description

Pipe end spinning enlarging hemmer
Technical field
The utility model relates to the pipeline process equipment of forming pipeline, relates in particular to a kind of pipe end spinning enlarging hemmer that line end connects processing that is used for.
Background technology
In oil, chemical field and hydraulic system of ship field, all need to build a large amount of pipelines, pipeline generally all is that the pipe with different length connects and composes.The connected mode of current pipeline mainly is to adopt to be welded to connect with flange to be connected, these two kinds of connected modes all be unable to do without the girth welding of pipe end, the shortcoming that will bring welding procedure itself to exist like this, SMAW efficient is lower such as adopting, working condition difference or the like.Now development abroad a kind of method that adopts special flange and sealing device connecting line, though its special flange and seal all are large-scale production, can guarantee high efficiency and high-quality, but, the crucial part that adopts this method is that pipe end need carry out the enlarging flange, at present the most frequently used have two kinds of flange forms: promptly flange and pipeline center are 37 degree or are 90 and spend, and the former is suitable for the pipeline of higher level pressure (35 to 42MPa), and the latter is suitable for the pipeline of stage pressure such as 16MPa.This pipe end method of attachment requires flange quality height, and is accurate such as the flange angle, connects any surface finish; In addition, also need processing efficient height.The method of carrying out line end enlarging flange has multiple, such as punch forming (cold-heading), roll and spinning etc.Punch forming (cold-heading) and rolling method, the big energy consumption height of plant capacity, and heavy, the fineness of flange is relatively poor; Spin-on process is because lower, the facility compact of consumed energy, crudy height form and be first-selection.But spinning enlarging flange needs special equipment and finishes, and procedure is many, procedure of processing is many, and a lot of manual steps is arranged, in the spinning enlarging flange Special Equipment, spinning machine is a critical component of realizing pipe end spinning enlarging flange, for this reason, the present utility model people designs a kind of can being applied on the pipe end spinning enlarging flange equipment and uses, satisfy the processing request of process pipelines pipe-end rotary extrusion expansion flanger, perhaps be applied on other rotary pressing processing equipment and use, satisfy the rotary pressing processing needs, such as processing such as large-sized end enclosure rotary press modellings.
The utility model content
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and a kind of pipe end spinning enlarging hemmer is provided, its reasonable in design can be installed on the pipe-end rotary extrusion expansion flanger, be used for the pipe end enlarging flange processing of multiple caliber, and crudy is good; Can utilize hydraulic mechanism to drive and loading, have and cut down the consumption of energy and hand labor intensity, load steadily and noise is less and the advantage of high efficiency, it uses on can being installed in the beading tube ends machine, can also be used for other rotary pressing processing equipment and use, such as processing industries such as large-sized end enclosure rotary press modellings.
The purpose of this utility model is realized by following technical scheme.
The utility model pipe end spinning enlarging hemmer, it is characterized in that, mainly comprise frame, offer a perforate that passes for spinning head and pushing body and two confessions on this frame one side wall surface and wear the perforate of the axis of guide, fix with rotary pressing processing equipment after two axis of guides pass the frame side wall perforate by an end respectively, the other end wears and is fixed on another sidewall tapping of frame; Housing, it is an opening shape cylindrical shell, opening is consistent with the spinning head direction, sliding bearing more than correspondence is provided with one group respectively on the hull outside face, movable being fixed on two axis of guides by sliding bearing, enclosure interior is installed pushing body that has spinning head and the hydraulic motor that drives pushing body, the pushing body front end face plugs fixedly spinning head, the pushing body rear end face is provided with connecting hole, connect for hydraulic motor output shaft, pushing body is moved forward and backward and rotary driving, housing bottom is offered connecting hole that is connected with pipe bending cylinder and the oilhole that is connected with hydraulic system.
Aforesaid pipe end spinning enlarging hemmer, its middle shell is an opening shape circular cylinder body.
Aforesaid pipe end spinning enlarging hemmer, its mid frame is a ㄩ font framework, the two side of this framework is provided with reinforcement.
Aforesaid pipe end spinning enlarging hemmer, wherein pushing body is eccentric cylinder, and its rear end end face is circular, offers the connecting hole that is connected with hydraulic motor, and the front end end face is oval, and this ellipse end face plugs fixing for the spinning head rotary type; This spinning head is a bullet, and this bullet is that cone-apex angle is truncated cone-shaped cone or the cones of 20 degree to 140 degree, and the length of bullet is 100 to 160mm.
Aforesaid pipe end spinning enlarging hemmer, wherein the oval end face of pushing body is provided with perforate, is provided with rolling bearing in the perforate, and the spinning head rear end is provided with axis body, this axis body is plugged in the rolling bearing of perforate, the spinning head rotary type is plugged be fixed on the oval end face of pushing body.
Aforesaid pipe end spinning enlarging hemmer, wherein pushing body is that spline is connected with hydraulic motor.
The beneficial effect of the utility model pipe-end rotary extrusion expansion flanger, its reasonable in design can be installed on the pipe-end rotary extrusion expansion flanger, be used for the pipe end enlarging flange processing of multiple caliber, and crudy is good; Can also be used for other rotary pressing processing equipment and carry out rotary pressing processing, such as the processing of large-sized end enclosure rotary press modelling, crudy is better; It is to utilize hydraulic mechanism to drive and load, and has to cut down the consumption of energy and hand labor intensity, load steadily and noise is less and the advantage of high efficiency.
Description of drawings:
Fig. 1 is the utility model pipe end spinning enlarging hemmer structural representation.
Fig. 2 A, Fig. 2 B are that the utility model pipe end spinning enlarging hemmer is used in caliber is that the pipe end of 60mm is 37 degree flange processing schematic diagrames.
Fig. 3 A, Fig. 3 B are that the utility model pipe end spinning enlarging hemmer is used in caliber is that the pipe end of 168mm is 90 degree flange processing schematic diagrames.
The number in the figure explanation: 1 frame, 11 reinforcements, 2 housings, 21 connecting holes, 22 oilholes, 3 spinning heads, 4 pushing bodies, 41 connect axis hole, 42 perforates, 5 hydraulic motors, 7 axis of guides, 8 pipe bending cylinders.
The specific embodiment
Consult shown in Figure 1, the utility model pipe end spinning enlarging hemmer, it mainly comprises frame 1, it can be by being bolted on the pipe-end rotary extrusion expansion flanger, offer a perforate that passes for spinning head 3 and pushing body 4 and two confessions on frame 1 one side wall surfaces and wear the perforate of the axis of guide 7, fix with pipe-end rotary extrusion expansion flanger after two axis of guides 7 pass frame 1 side-wall hole by an end respectively, the other end wears the tapping that is fixed on frame 1 another sidewall; Housing 2, it is an opening shape cylindrical shell, opening is consistent with spinning head 3 directions, sliding bearing more than correspondence is provided with one group respectively on housing 2 lateral surfaces, movable being fixed on two axis of guides 7 by sliding bearing, housing 2 inner installations have the pushing body 4 of spinning head 3 and the hydraulic motor 5 that drives pushing body 4, pushing body 4 front end faces are provided with perforate 42 for plugging fixedly spinning head 3, pushing body 4 rear end faces are provided with and connect axis hole 41, the output shaft of feed flow pressure motor 5 connects, pushing body 4 can be moved forward and backward and rotary driving, connecting hole 21 and oilhole 22 are offered in housing 2 bottoms; Pipe bending cylinder 8, it is fixed on frame 1 one side wall surfaces, the perforate 16 that the piston rod of pipe bending cylinder 8 passes frame 1 then is connected with the connecting hole 21 of housing 2, and pipe bending cylinder 8 links to each other with hydraulic motor, and the hydraulic motors 5 that the oil pipe of hydraulic motor passes in housing 2 oilholes, 22 backs and the housing 2 are connected.
The utility model pipe end spinning enlarging hemmer, wherein, housing 32 is an opening shape circular cylinder body; Frame 1 is a ㄩ font framework, and the two side of this framework is provided with reinforcement 11.
The utility model pipe end spinning enlarging hemmer, wherein, fixedly the pushing body 4 of spinning head 3 is eccentric cylinder, its rear end end face is circular, offer the connection axis hole 41 that is connected with hydraulic motor 5, the front end end face is oval, and this ellipse end face plugs fixing for spinning head 3 rotary types; This spinning head 3 is a bullet, and this bullet is that cone-apex angle is truncated cone-shaped cone or the cones of 20 degree to 140 degree, and the length of bullet is 100 to 160mm.Pushing body 4 oval end faces are provided with perforate 42, are provided with rolling bearing in the perforate 42, and spinning head 3 rear ends are provided with axis body, and this axis body is plugged in the rolling bearing of perforate 42, and spinning head 3 rotary types are plugged on the oval end face that is fixed on pushing body 4.
The utility model pipe end spinning enlarging hemmer, wherein, pushing body 4 is connected for spline with hydraulic motor 5.
The assembling of the utility model pipe end spinning enlarging hemmer, as shown in Figure 1, with the circular cylinder body that processes with opening as housing 2, hydraulic motor 5 is installed in the housing 2, the output shaft of hydraulic motor 5 and pushing body 4 connect with spline being connected axis hole 41 places, oilhole 22 backs of hydraulic system oil inlet and oil return pipe being passed housing 2 bottoms are connected with hydraulic motor 5, the front end face of pushing body 4 is spinning head 3 fixedly, on housing 2 lateral surfaces respectively correspondence be provided with two groups of sliding bearings, movable being fixed on two axis of guides 7 by sliding bearing, one end of two axis of guides 7 is fixed with pipe-end rotary extrusion expansion flanger after passing frame 1 side-wall hole, and the other end wears the tapping that is fixed on frame 1 another sidewall; Pipe bending cylinder 8, it is fixed on frame 1 one side wall surfaces, and the piston rod of pipe bending cylinder 8 is connected with the connecting hole 21 of housing 2 after passing the perforate of frame 1, and pipe bending cylinder 8 is connected with hydraulic mechanism by oil pipe.
Shown in Fig. 2 A, 2B, the pipe end of 60mm caliber is carried out the processing of enlarging flange, be 37 degree flange.Spinning head is installed on pushing body; the specification of spinning head is that cone-apex angle is 30 degree; highly be 100mm, open pipe bending cylinder and hydraulic motor, carry out pushing tow and spinning work; make pushing body drive the flange straight flange that spinning head contact body is reserved; by the control valve group of hydraulic mechanism, the control jacking force reaches 25kN (thousand newton), and spinning torsion is 290 Newton meter (n.m.)s (N-m); till the body end forms 37 degree flange, shut down.
Shown in Fig. 3 A, 3B, the pipe end of 168mm caliber is carried out the processing of enlarging flange, be the flange of 90 degree.Earlier to selecting for use cone-apex angle to be 30 degree, highly for the spinning head of 100mm carries out the flange of 37 degree to pipe end, changing cone-apex angle then is 130 degree, highly spends the flange of spending to 90 for the spinning head of 140mm carries out 37 to body, operating process as embodiment-as described in; By the control valve group of hydraulic mechanism, the control jacking force reaches 25kN (thousand newton), and spinning torsion is 290 Newton meter (n.m.)s (N-m), till the body end forms 90 degree flange, shuts down.
The utility model is applied to the course of work and the principle that pipe-end rotary extrusion expansion flanger carries out the enlarging flange: at first start pipe bending cylinder 8 and hydraulic motor 5, housing 2 is moved to pipe end direction to be processed along the axis of guide 7 under the promotion of pipe bending cylinder 8, pushing body 4 drives spinning head 3 and moves to pipe end direction to be processed along with moving of housing 2 under the driving of hydraulic motor 5, and be rotated action simultaneously, because spinning head 3 is to be designed to have and the taper shape for the treatment of the corresponding cone-apex angle of flange angle, spinning head 3 can be rotated around pipe end, tube interior is pointed at the center of this spinning head 3, drive pushing body 4 by hydraulic motor 5 and drive spinning head 3 rotations, when spinning head 3 with after the pipe end that is held body contacts, can produce frictional force, and rely on frictional force to make spinning head 3 have rotation function, in the pushing body rotation simultaneously, promote gradually pipe end to be loaded enlarging by pipe bending cylinder 8, form even and satisfactory beading tube ends; Under the condition of the spinning head of changing the cone bearings of various cone top angle, can process the pipe end of different flange angles; Under the condition of the constant and spinning head Level Change of spinning head cone-apex angle, can carry out the processing of same flange angle to the pipe end of different tube diameters.
The utility model pipe end spinning enlarging hemmer advantage be: after 1, it is installed on the pipe-end rotary extrusion expansion flanger and uses, can improve working conditions, increase work efficiency, such as, adopt flanger of the present utility model, 6 inches pipe ends of spinning flange, pipe thickness is 7.1 to the maximum to 7.7mm, under operating oil pressure 160bar condition, the spinning head rotating speed is 60r/min, the about flange that can finish a pipe end in 40 seconds; And existing processing technology is finished circumferential weld SMAW of 2 inches (external diameter 168mm) pipelines, 40 minutes/people, and operation easier is bigger, needs bevel, and will weld more than twice.2, the beading tube ends quality is good, and any surface finish behind mounting flange and the seal, can reach authorized pressure and seepage does not take place.3, be convenient to pipeline and connect pipe joint quality height.Through the pipe end of spinning flange and flange and seal integral connector the composition pipeline can be installed rapidly at the scene, and be dismountable pipeline, can effectively improve the quality of joint; Welded pipeline is non-removable pipeline, is difficult for guaranteeing quality of connection.4, applied widely, can carry out the processing of different flange angles to the pipe end of different tube diameters in process pipelines in oil, the chemical field and the hydraulic system of ship pipeline, can also be used for other rotary pressing processing, such as the processing of large-sized end enclosure rotary press modelling, crudy is good.5, the slewing equipment of this pipe end spinning enlarging hemmer (being pushing body and spinning head), be to utilize radial plunger type motor to drive, enough flywheel moments had both been guaranteed, save decelerator again, thereby make overall structure very compact, therefore its spinning head and whole slewing equipment can be installed in the barrel-type casing, so that load, and make its while turning round the application of force, carry out beading tube ends smoothly; Utilize plunger case to load, avoided the employing leverage application of force, increase the problem of labor strength; Adopt hydraulic loaded to compare with motor-reductor loading, it is little to have a noise, loads advantage stably.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1. pipe end spinning enlarging hemmer, it is characterized in that, mainly comprise frame, offer a perforate that passes for spinning head and pushing body and two confessions on this frame one side wall surface and wear the perforate of the axis of guide, fix with rotary pressing processing equipment after two axis of guides pass the frame side wall perforate by an end respectively, the other end wears and is fixed on another sidewall tapping of frame; Housing, it is an opening shape cylindrical shell, opening is consistent with the spinning head direction, sliding bearing more than correspondence is provided with one group respectively on the hull outside face, movable being fixed on two axis of guides by sliding bearing, enclosure interior is installed pushing body that has spinning head and the hydraulic motor that drives pushing body, the pushing body front end face plugs fixedly spinning head, the pushing body rear end face is provided with connecting hole, connect for hydraulic motor output shaft, pushing body is moved forward and backward and rotary driving, housing bottom is offered connecting hole that is connected with pipe bending cylinder and the oilhole that is connected with hydraulic system.
2. pipe end spinning enlarging hemmer according to claim 1 is characterized in that described housing is an opening shape circular cylinder body.
3. pipe end spinning enlarging hemmer according to claim 1 is characterized in that described frame is a ㄩ font framework, and the two side of this framework is provided with reinforcement.
4. pipe end spinning enlarging hemmer according to claim 1 is characterized in that, described pushing body is eccentric cylinder, its rear end end face is circular, offer the connecting hole that is connected with hydraulic motor, the front end end face is oval, and this ellipse end face plugs fixing for the spinning head rotary type; This spinning head is a bullet, and this bullet is that cone-apex angle is truncated cone-shaped cone or the cones of 20 degree to 140 degree, and the length of bullet is 100 to 160mm.
5. according to claim 1 or 4 described pipe end spinning enlarging hemmers, it is characterized in that, the oval end face of described pushing body is provided with perforate, be provided with rolling bearing in the perforate, the spinning head rear end is provided with axis body, this axis body is plugged in the rolling bearing of perforate, the spinning head rotary type is plugged be fixed on the oval end face of pushing body.
6. according to claim 1 or 3 described pipe end spinning enlarging hemmers, it is characterized in that described pushing body is that spline is connected with hydraulic motor.
CNU2007201762756U 2007-09-07 2007-09-07 Pipe end spinning enlarging turnup device Expired - Fee Related CN201082451Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201762756U CN201082451Y (en) 2007-09-07 2007-09-07 Pipe end spinning enlarging turnup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201762756U CN201082451Y (en) 2007-09-07 2007-09-07 Pipe end spinning enlarging turnup device

Publications (1)

Publication Number Publication Date
CN201082451Y true CN201082451Y (en) 2008-07-09

Family

ID=39624914

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201762756U Expired - Fee Related CN201082451Y (en) 2007-09-07 2007-09-07 Pipe end spinning enlarging turnup device

Country Status (1)

Country Link
CN (1) CN201082451Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103962466A (en) * 2014-04-21 2014-08-06 中国航空工业集团公司北京航空制造工程研究所 Method and device for flaring of thin-walled pipe
EP2781275A1 (en) * 2013-03-18 2014-09-24 Nissyo Techno Co., Ltd. Piping system
CN116532541A (en) * 2023-07-06 2023-08-04 四川岷河管道建设工程有限公司 Stainless steel pipeline flanging equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2781275A1 (en) * 2013-03-18 2014-09-24 Nissyo Techno Co., Ltd. Piping system
CN103962466A (en) * 2014-04-21 2014-08-06 中国航空工业集团公司北京航空制造工程研究所 Method and device for flaring of thin-walled pipe
CN103962466B (en) * 2014-04-21 2015-10-07 中国航空工业集团公司北京航空制造工程研究所 Thin-wall pipes flared method and device
CN116532541A (en) * 2023-07-06 2023-08-04 四川岷河管道建设工程有限公司 Stainless steel pipeline flanging equipment
CN116532541B (en) * 2023-07-06 2023-08-29 四川岷河管道建设工程有限公司 Stainless steel pipeline flanging equipment

Similar Documents

Publication Publication Date Title
CN100588481C (en) Pipe end spinning, rolling-out and flange turning machine
CN201529869U (en) Aluminum alloy barrel circumferential welding line mixing and friction welding supporting device
CN101745556B (en) Pipe end extrusion molding machine
CN101966924B (en) Spiral forced-feeding device, shaping system with same and degassing method
CN201082451Y (en) Pipe end spinning enlarging turnup device
CN201082452Y (en) Pipe end spinning enlarging flanging press
CN2925674Y (en) Pipe fullering tool
CN110653482B (en) Friction stir welding rolling supporting structure
CN205270486U (en) Curved circle processingequipment of automobile -used manhole cover flange base of aluminium pot
CN114055770A (en) Mechanical composite pipeline preparation method based on hydraulic drive
CN209887089U (en) Cutting and polishing device for outer polyethylene and inner epoxy coating anti-corrosion steel pipe
CN205363157U (en) Clearance roll extrusion anchor clamps of automobile axle shell and beaded finish
CN110640001A (en) Electric convex ring machine
CN201493348U (en) Coiler drum and coiler using therewith
CN1236903C (en) Twist pipe fittings shaping device
CN206140404U (en) Expansion bolts installation is with instrument and device
CN201791763U (en) Head making machine for roller spinning hydraulic push-type cold drawing steel tube
CN101486054B (en) Conical pipe forming machine and method of use thereof
CN204320766U (en) A kind of steel tube extrusion cylinder cleaning device
CN211100985U (en) Non-welding pipeline laying sealing groove forming machine
CN217191713U (en) Tube type structural member end slot rolling device in ship construction
CN217254203U (en) Clamping mechanism of oil pipe buckling machine
CN211613953U (en) Electric convex ring machine
CN201922205U (en) Overturning and connecting device for welding roller way of barrel body of concrete mixer truck
CN219005140U (en) Automatic flange welding production line

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20090417

Address after: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010

Co-patentee after: Offshore Oil Engineering Co., Ltd.

Patentee after: China National Offshore Oil Corporation

Co-patentee after: Tianjin University

Co-patentee after: Offshore Oil Engineering (Qingdao) Co., Ltd.

Address before: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010

Co-patentee before: Offshore Oil Engineering Co., Ltd.

Patentee before: China National Offshore Oil Corporation

Co-patentee before: Tianjin University

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080709

Termination date: 20140907

EXPY Termination of patent right or utility model