CN203778851U - Combination-type steel pipe cutting machine - Google Patents
Combination-type steel pipe cutting machine Download PDFInfo
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- CN203778851U CN203778851U CN201420223675.8U CN201420223675U CN203778851U CN 203778851 U CN203778851 U CN 203778851U CN 201420223675 U CN201420223675 U CN 201420223675U CN 203778851 U CN203778851 U CN 203778851U
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- card pipe
- fluid power
- cutting machine
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Abstract
The utility model discloses a combination-type steel pipe cutting machine. The combination-type steel pipe cutting machine comprises a pipe-type combination frame, a hydraulic pipe clamp and a rolling extrusion cutting machine, wherein the pipe-type combination frame is formed by combining an arched frame body A, an arched frame body B, a hydraulic pipe clamping machine and a hydraulic cutting machine; the hydraulic pipe clamp comprises two hydraulic clamping frames which are respectively mounted on the arched frame body A and the arched frame body B; each hydraulic clamping frame comprises a hydraulic pipe clamping cylinder and a pipe clamping pushing column; the rolling extrusion cutting machine comprises two hydraulic cutting frames which are respectively mounted on the arched frame body A and the arched frame body B; each hydraulic cutting frame comprises a swinging frame body, a hydraulic cutting cylinder, a cutting pushing column and a wheel-type cutter. According to the embodiment of the utility model, the combination-type steel pipe cutting machine can be firmly connected with steel pipes with various pipe diameters, and the rolling extrusion cutting machine drives the wheel-type cutters to simultaneously cut the steel pipes in a rolling extrusion manner, so that the cutoff speed of the steel pipes can be increased, and human injuries such as poisoning of a maintainer and explosive damage can be avoided. Therefore, the combination-type steel pipe cutting machine is reasonable in structure and easy to operate and control.
Description
Technical field
The utility model belongs to a kind of plant equipment, relates in particular to a kind of by the plant equipment of steel pipe cutting.
Background technology
In the factory of production industrial chemicals, conventional various steel pipe transmission industrial chemicals, in course of conveying, some industrial chemicals is subject to the impact of the temperature difference and other factors, adsorb and be bonded in steel pipe inner wall, will reduce pipe diameter through long accumulation and reduce conveying capacity, and affect the normal production of factory.When maintenance, must will be got off from pipe cutting by the steel pipe of feed blocking, and replace with new steel pipe, the method of the conventional electric slicer of prior art and autogenous cutting is cut off steel pipe, but, electric slicer and autogenous cutting all can produce high temperature in pipe cutting process, amass to run into high temperature at the industrial chemicals of steel pipe inner wall and will produce poisonous, inflammable, explosive gas.Therefore, cutting inwall is stained with in the process of industrial chemicals steel pipe, and the personal injury that maintenance worker is poisoning and blast injures often occurs.
Summary of the invention
Be stained with industrial chemicals steel pipe and easily occur the problem of personal injury in order to solve prior art cutting inwall, the utility model aims to provide a kind of Combined steel tube cutting machine, this cutting machine utilizes hydraulic coupling squeegee roller type cutter to cut off steel pipe around the method for steel pipe outer ring scroll-diced, in cutting process, can not produce high temperature, can effectively prevent that maintenance worker from the personal injury of gassing and blast injury occurring.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of Combined steel tube cutting machine, it is characterized in that: described Combined steel tube cutting machine comprises cast combined bay, fluid power card pipe clamp and rolling extrusion cutting machine, described cast combined bay is by arch support body A, arch support body B, card pipe hydraulic press and cutting liquid press combine, described arch support body A and arch support body B are provided with combination buckle, pipe clamp case storehouse and cutting rack draw-in groove, described card pipe hydraulic press and cutting liquid press are all provided with fluid power transfer tube, support body draw-in groove, pressurization turn-button and pressure relief press button, described support body draw-in groove coordinates with combination buckle clip, described fluid power card pipe clamp comprises two secondary fluid power clamping frames and is arranged on respectively on arch support body A and arch support body B, described fluid power clamping frame comprises card pipe hydraulic cylinder and card pipe fore-set, described card pipe hydraulic cylinder is arranged on pipe clamp case storehouse and with the fluid power transfer tube of card pipe hydraulic press and is connected, and described card pipe fore-set is sleeved in card pipe hydraulic cylinder and its two ends are respectively equipped with retraction spring and arch chuck, described rolling extrusion cutting machine comprises two secondary fluid power cutting racks and is arranged on respectively on arch support body A and arch support body B, described fluid power cutting rack comprises and waves support body, cutting liquid cylinder pressure, cutting fore-set and wheel type cutter, the described support body that waves is sleeved in cutting rack draw-in groove, described cutting liquid cylinder pressure is arranged on to wave on support body and with the fluid power transfer tube of cutting liquid press and is connected, described cutting fore-set is sleeved in cutting liquid cylinder pressure and its two ends are respectively equipped with contracting cutter spring and arch knife rest, the described type cutter of taking turns is arranged on arch knife rest by rotating shaft, described rolling extrusion cutting machine is provided with afterburning depression bar, described afterburning depression bar coordinates with cutting liquid cylinder pressure sleeve.
This preferred embodiment also has following technical characterictic:
The both sides of described arch support body A and arch support body B are all provided with combination buckle, the two ends of described arch support body A and arch support body B are respectively equipped with pipe clamp case storehouse and cutting rack draw-in groove, wherein, pipe clamp case storehouse is arranged on the middle part of arch support body A and arch support body B, and cutting rack draw-in groove is arranged on the outer ring of arch support body A and arch support body B.
Described card pipe hydraulic press and cutting liquid press are all provided with two fluid power transfer tubes, the fluid power transfer tube of card pipe hydraulic press is flexibly connected with fluid power card pipe clamp, the fluid power transfer tube of cutting liquid press is flexibly connected with rolling extrusion cutting machine, and described support body draw-in groove is arranged on the middle part of card pipe hydraulic press and cutting liquid press.
Described card pipe hydraulic cylinder is arranged on the middle part at the back side, pipe clamp case storehouse, end at card pipe hydraulic cylinder is provided with hydraulic pressure oil nozzle A, described hydraulic pressure oil nozzle A is flexibly connected with the fluid power transfer tube of card pipe hydraulic press, described retraction spring is arranged on the afterbody of card pipe fore-set and is connected with the base plate of card pipe hydraulic cylinder, and the Qie Qi two ends, end that described arch chuck is arranged on card pipe fore-set are all provided with soft clip strip.
Described cutting liquid cylinder pressure is arranged on the middle part of waving the support body back side, be provided with hydraulic pressure oil nozzle B in the end of cutting liquid cylinder pressure, described hydraulic pressure oil nozzle B is flexibly connected with the fluid power transfer tube of cutting liquid press, described contracting cutter spring is arranged on the afterbody of cutting fore-set and is connected with the base plate of cutting liquid cylinder pressure, and the Qie Qi two ends, end that described arch knife rest is arranged on cutting fore-set are all provided with wheel type cutter.
The end of described afterburning depression bar is provided with cylinder body sleeve, and described cylinder body sleeve coordinates with cutting liquid cylinder pressure cutting ferrule, is provided with oil nozzle notch in the side of cylinder body sleeve.
The cast combined bay of the present embodiment coordinates and can firmly be connected with the steel pipe of multiple caliber with fluid power card pipe clamp, rolling extrusion cutting machine drives the mode simultaneously pipe cutting of many accessory whorls type cutter with rolling extrusion, can accelerate to cut off steel pipe speed, and the personal injury that maintenance worker is poisoning and blast injures can not occur.Therefore, this Combined steel tube cutting machine structure is reasonable, manipulation is simple, can enhance productivity, and can prevent again personal injury.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the assembly structure schematic diagram of an embodiment of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
In figure, sequence number represents respectively: 01. steel pipe, 10. cast combined bay, 11. arch support body A, 110. combination buckles, 111. pipe clamp case storehouses, 112. cutting rack draw-in grooves, 12. arch support body B, 13. card pipe hydraulic presses, 130. fluid power transfer tubes, 131. support body draw-in grooves, 132. pressurization turn-buttons, 133. pressure relief press button, 14. cutting liquid press, 20. fluid power card pipe clamps, 21. fluid power clamping frames, 22. card pipe hydraulic cylinders, 220. hydraulic pressure oil nozzle A, 23. card pipe fore-sets, 230. soft clip strips, 24. retraction springs, 25. arch chucks, 30. rolling extrusion cutting machines, 31. fluid power cutting racks, 310. wave support body, 311. cutting liquid cylinder pressures, 312. cutting fore-sets, 313. take turns type cutter, 314. contracting cutter springs, 315. arch knife rests, 316. hydraulic pressure oil nozzle B, 32. afterburning depression bars, 320. cylinder body sleeves, 321. oil nozzle notches.
Detailed description of the invention
Referring to Fig. 1 and in conjunction with Fig. 2, 3, the Combined steel tube cutting machine of the present embodiment comprises cast combined bay 10, fluid power card pipe clamp 20 and rolling extrusion cutting machine 30, described cast combined bay 10 is by arch support body A11, arch support body B12, card pipe hydraulic press 13 combines with cutting liquid press 14, described arch support body A11 and arch support body B12 are provided with combination buckle 110, pipe clamp case storehouse 111 and cutting rack draw-in groove 112, described card pipe hydraulic press 13 and cutting liquid press 14 are all provided with fluid power transfer tube 130, support body draw-in groove 131, pressurization turn-button 132 and pressure relief press button 133, described support body draw-in groove 131 coordinates with combination buckle 110 clips, described fluid power card pipe clamp 20 comprises two secondary fluid power clamping frames 21 and is arranged on respectively on arch support body A11 and arch support body B12, described fluid power clamping frame 21 comprises card pipe hydraulic cylinder 22 and card pipe fore-set 23, described card pipe hydraulic cylinder 22 is arranged on pipe clamp case storehouse 111 and with the fluid power transfer tube 130 of card pipe hydraulic press 13 and is connected, and described card pipe fore-set 23 is sleeved in card pipe hydraulic cylinder 22 and its two ends are respectively equipped with retraction spring 24 and arch chuck 25, described rolling extrusion cutting machine 30 comprises two secondary fluid power cutting racks 31 and is arranged on respectively on arch support body A11 and arch support body B12, described fluid power cutting rack 31 comprises and waves support body 310, cutting liquid cylinder pressure 311, cutting fore-set 312 and wheel type cutter 313, the described support body 310 that waves is sleeved in cutting rack draw-in groove 112, described cutting liquid cylinder pressure 311 is arranged on to wave on support body 310 and with the fluid power transfer tube 130 of cutting liquid press 14 and is connected, described cutting fore-set 312 is sleeved in cutting liquid cylinder pressure 311 and its two ends are respectively equipped with contracting cutter spring 314 and arch knife rest 315, the described type cutter 313 of taking turns is arranged on arch knife rest 315 by rotating shaft, described rolling extrusion cutting machine 30 is provided with afterburning depression bar 32, described afterburning depression bar 32 coordinates with cutting liquid cylinder pressure 311 sleeves.
Arch support body A11, arch support body B12, card pipe hydraulic press 13 and cutting liquid press 14 are combined into the cast combined bay 10 of tubular structure, match with steel pipe 01 profile, can easily form one with steel pipe 01.Fluid power card pipe clamp 20 clamps or loosens steel pipe 01 under the effect of card pipe hydraulic press 13, when fluid power card pipe clamp 20 clamps steel pipe 01, cast combined bay 10 is firmly connected with steel pipe 01, facilitate rolling extrusion cutting machine 30 pipe cuttings 01, fluid power card pipe clamp 20 facilitates cast combined bay 10 to combine or separate while loosening steel pipe 01.The edge of a knife of wheel type cutter 313 is embedded steel pipe 01 outer wall by the hydraulic coupling of cutting liquid press 14, by afterburning depression bar 32, rolling extrusion cutting machine 30 is swung back and forth on cast combined bay 10, wheel type cutter 313 will roll and cut out the edge of a knife one at steel pipe 01 outer wall, the hydraulic coupling that increases cutting liquid press 14 makes darker embedding steel pipe 01 outer wall of the edge of a knife of wheel type cutter 313, and then swing rolling extrusion cutting machine 30, wheel type cutter 313 will cut out the darker edge of a knife at steel pipe 01 outer wall, so incrementally just steel pipe 01 can be cut off.Because rolling extrusion cutting machine 30 cuts off steel pipe 01 in the mode of rolling extrusion, so can not produce high temperature, the industrial chemicals of steel pipe 01 inwall just can not produce poisonous, inflammable, explosive gas, and the personal injury that maintenance worker is poisoning and blast injures just can not occur yet.
The both sides of described arch support body A11 and arch support body B12 are all provided with combination buckle 110, the two ends of described arch support body A11 and arch support body B12 are respectively equipped with pipe clamp case storehouse 111 and cutting rack draw-in groove 112, wherein, pipe clamp case storehouse 111 is arranged on the middle part of arch support body A11 and arch support body B12, and cutting rack draw-in groove 112 is arranged on the outer ring of arch support body A11 and arch support body B12.
It is overlapped that arch support body A11 and arch support body B12 are combined and make to combine buckle 110, then card pipe hydraulic press 13 and cutting liquid press 14 are sleeved on the overlapping assembly forming of twice combination buckle 110, just mutually be combined into the cast combined bay 10 of tubular structure, and the top of cast combined bay 10 and bottom are all provided with pipe clamp case storehouse 111, twice cutting rack draw-in groove 112 forms the notch of cirque structure, and making to wave support body 310 can easily swing back and forth.
Described card pipe hydraulic press 13 and cutting liquid press 14 are all provided with two fluid power transfer tubes 130, the fluid power transfer tube 130 of card pipe hydraulic press 13 is flexibly connected with fluid power card pipe clamp 20, the fluid power transfer tube 130 of cutting liquid press 14 is flexibly connected with rolling extrusion cutting machine 30, and described support body draw-in groove 131 is arranged on the middle part of card pipe hydraulic press 13 and cutting liquid press 14.
Support body draw-in groove 131 clips are on the overlapping assembly forming of twice combination buckle 110, both arch support body A11 and arch support body B12 were combined into one, again card pipe hydraulic press 13 and cutting liquid press 14 were installed on the assembly of arch support body A11 and arch support body B12.Fluid power transfer tube 130 is flexibly connected with card pipe hydraulic press 13, cutting liquid press 14, makes cast combined bay 10 can easily be assembled into one or disassemble separation.
By pressurization turn-button 132 and the pressure relief press button 133 of card pipe hydraulic press 13, just can control fluid power card pipe clamp 20 and clamp or loosen steel pipe 01.By pressurization turn-button 132 and the pressure relief press button 133 of cutting liquid press 14, just energy control wheel type cutter 313 embeds the degree of depth of steel pipe 01.
Because rolling extrusion cutting machine 30 needs repeatedly to swing and steel pipe 01 could be cut off back and forth, so the fluid power transfer tube 130 of cutting liquid press 14 has larger slackness, to prevent being pullled damage.
Described card pipe hydraulic cylinder 22 is arranged on the middle part at 111 back sides, pipe clamp case storehouse, end at card pipe hydraulic cylinder 22 is provided with hydraulic pressure oil nozzle A220, described hydraulic pressure oil nozzle A220 is flexibly connected with the fluid power transfer tube 130 of card pipe hydraulic press 13, described retraction spring 24 is arranged on the afterbody of card pipe fore-set 23 and is connected with the base plate of card pipe hydraulic cylinder 22, and the Qie Qi two ends, end that described arch chuck 25 is arranged on card pipe fore-set 23 are all provided with soft clip strip 230.
Two secondary fluid power clamping frames 21 are arranged on respectively top and the bottom of cast combined bay 10, rotate the pressurization turn-button 132 of card pipe hydraulic press 13, two subarch clevis heads 25 will hold out against steel pipe 01 simultaneously, cast combined bay 10 is firmly connected with steel pipe 01, compress the pressure release turn-button of card pipe hydraulic press 13, the elastic force of retraction spring 24 drives arch chuck 25 toward retraction, makes cast combined bay 10 loosen steel pipe 01.
When card pipe fore-set 23 is retracted card pipe hydraulic cylinder 22 inner chamber, arch chuck 25 is embedded in pipe clamp case storehouse 111, increases the suit bore of cast combined bay 10.Soft clip strip 230 increases the frictional force between camber chuck and steel pipe 01, and what make that cast combined bay 10 is connected with steel pipe 01 is more firm.
Described cutting liquid cylinder pressure 311 is arranged on the middle part of waving support body 310 back sides, be provided with hydraulic pressure oil nozzle B316 in the end of cutting liquid cylinder pressure 311, described hydraulic pressure oil nozzle B316 is flexibly connected with the fluid power transfer tube 130 of cutting liquid press 14, described contracting cutter spring 314 is arranged on the afterbody of cutting fore-set 312 and is connected with the base plate of cutting liquid cylinder pressure 311, and the Qie Qi two ends, end that described arch knife rest 315 is arranged on cutting fore-set 312 are all provided with wheel type cutter 313.
Two pairs are waved support body 310 and are sleeved on and in cutting rack draw-in groove 112, are combined into circularly, and no matter which pair is waved support body 310 swings back and forth, and all can drive another pair to wave support body 310 and swing simultaneously.The secondary cutting fore-sets 312 of pressurization turn-button 132, two that rotate cutting liquid press 14 drive and many wheel type cutter 313 are embedded to steel pipe 01 simultaneously, compress the pressure relief press button 133 of cutting liquid press 14, and fore-set 312 retraction cutting liquid cylinder pressures 311 are cut in 314 drives of contracting cutter spring.Wheel type cutter 313 is arranged on arch knife rest 315 by rotating shaft, can embed steel pipe 01 outer wall and can roll around steel pipe 01 again.
Because the flexible stroke of card pipe fore-set 23 and cutting fore-set 312 is larger, so cast combined bay 10 can be assembled on the steel pipe 01 of multiple caliber, rolling extrusion cutting machine 30 just can cut the steel pipe 01 of multiple caliber.
The end of described afterburning depression bar 32 is provided with cylinder body sleeve 320, and described cylinder body sleeve 320 coordinates with cutting liquid cylinder pressure 311 cutting ferrules, is provided with oil nozzle notch 321 in the side of cylinder body sleeve 320.
Cylinder body sleeve 320 coordinates with cutting liquid cylinder pressure 311 cutting ferrules, makes afterburning depression bar 32 can easily be set with or depart from cutting liquid cylinder pressure 311, and oil nozzle notch 321 makes afterburning depression bar 32 in operating process, can not damage hydraulic pressure oil nozzle B316.
In sum: the present embodiment has solved prior art cutting inwall and be stained with industrial chemicals steel pipe and easily occur the problem of personal injury, and a kind of Combined steel tube cutting machine that can replace existing product is provided.
Claims (6)
1. a Combined steel tube cutting machine, it is characterized in that: described Combined steel tube cutting machine comprises cast combined bay (10), fluid power card pipe clamp (20) and rolling extrusion cutting machine (30), described cast combined bay (10) is by arch support body A (11), arch support body B (12), card pipe hydraulic press (13) combines with cutting liquid press (14), described arch support body A (11) and arch support body B (12) are provided with combination buckle (110), pipe clamp case storehouse (111) and cutting rack draw-in groove (112), described card pipe hydraulic press (13) and cutting liquid press (14) are all provided with fluid power transfer tube (130), support body draw-in groove (131), pressurization turn-button (132) and pressure relief press button (133), described support body draw-in groove (131) coordinates with combination buckle (110) clip, described fluid power card pipe clamp (20) comprises two secondary fluid power clamping frames (21) and is arranged on respectively on arch support body A (11) and arch support body B (12), described fluid power clamping frame (21) comprises card pipe hydraulic cylinder (22) and card pipe fore-set (23), described card pipe hydraulic cylinder (22) is arranged on pipe clamp case storehouse (111) above and is connected with the fluid power transfer tube (130) of card pipe hydraulic press (13), described card pipe fore-set (23) is sleeved in card pipe hydraulic cylinder (22) and its two ends are respectively equipped with retraction spring (24) and arch chuck (25), described rolling extrusion cutting machine (30) comprises two secondary fluid power cutting racks (31) and is arranged on respectively on arch support body A (11) and arch support body B (12), described fluid power cutting rack (31) comprises and waves support body (310), cutting liquid cylinder pressure (311), cutting fore-set (312) and wheel type cutter (313), the described support body (310) that waves is sleeved in cutting rack draw-in groove (112), described cutting liquid cylinder pressure (311) is arranged on and waves support body (310) above and be connected with the fluid power transfer tube (130) of cutting liquid press (14), described cutting fore-set (312) is sleeved in cutting liquid cylinder pressure (311) and its two ends are respectively equipped with contracting cutter spring (314) and arch knife rest (315), the described type cutter (313) of taking turns is arranged on arch knife rest (315) by rotating shaft, described rolling extrusion cutting machine (30) is provided with afterburning depression bar (32), described afterburning depression bar (32) coordinates with cutting liquid cylinder pressure (311) sleeve.
2. a kind of Combined steel tube cutting machine according to claim 1, it is characterized in that: the both sides of described arch support body A (11) and arch support body B (12) are all provided with combination buckle (110), the two ends of described arch support body A (11) and arch support body B (12) are respectively equipped with pipe clamp case storehouse (111) and cutting rack draw-in groove (112), wherein, pipe clamp case storehouse (111) is arranged on the middle part of arch support body A (11) and arch support body B (12), cutting rack draw-in groove (112) is arranged on the outer ring of arch support body A (11) and arch support body B (12).
3. a kind of Combined steel tube cutting machine according to claim 1, it is characterized in that: described card pipe hydraulic press (13) and cutting liquid press (14) are all provided with two fluid power transfer tubes (130), the fluid power transfer tube (130) of card pipe hydraulic press (13) is flexibly connected with fluid power card pipe clamp (20), the fluid power transfer tube (130) of cutting liquid press (14) is flexibly connected with rolling extrusion cutting machine (30), and described support body draw-in groove (131) is arranged on the middle part of card pipe hydraulic press (13) and cutting liquid press (14).
4. a kind of Combined steel tube cutting machine according to claim 1, it is characterized in that: described card pipe hydraulic cylinder (22) is arranged on the middle part at the back side, pipe clamp case storehouse (111), end at card pipe hydraulic cylinder (22) is provided with hydraulic pressure oil nozzle A (220), described hydraulic pressure oil nozzle A (220) is flexibly connected with the fluid power transfer tube (130) of card pipe hydraulic press (13), described retraction spring (24) is arranged on the afterbody of card pipe fore-set (23) and is connected with the base plate of card pipe hydraulic cylinder (22), the Qie Qi two ends, end that described arch chuck (25) is arranged on card pipe fore-set (23) are all provided with soft clip strip (230).
5. a kind of Combined steel tube cutting machine according to claim 1, it is characterized in that: described cutting liquid cylinder pressure (311) is arranged on the middle part of waving support body (310) back side, be provided with hydraulic pressure oil nozzle B (316) in the end of cutting liquid cylinder pressure (311), described hydraulic pressure oil nozzle B (316) is flexibly connected with the fluid power transfer tube (130) of cutting liquid press (14), described contracting cutter spring (314) is arranged on the afterbody of cutting fore-set (312) and is connected with the base plate of cutting liquid cylinder pressure (311), the Qie Qi two ends, end that described arch knife rest (315) is arranged on cutting fore-set (312) are all provided with wheel type cutter (313).
6. a kind of Combined steel tube cutting machine according to claim 1, it is characterized in that: the end of described afterburning depression bar (32) is provided with cylinder body sleeve (320), described cylinder body sleeve (320) coordinates with cutting liquid cylinder pressure (311) cutting ferrule, is provided with oil nozzle notch (321) in the side of cylinder body sleeve (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223675.8U CN203778851U (en) | 2014-04-30 | 2014-04-30 | Combination-type steel pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223675.8U CN203778851U (en) | 2014-04-30 | 2014-04-30 | Combination-type steel pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778851U true CN203778851U (en) | 2014-08-20 |
Family
ID=51315079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420223675.8U Withdrawn - After Issue CN203778851U (en) | 2014-04-30 | 2014-04-30 | Combination-type steel pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962623A (en) * | 2014-04-30 | 2014-08-06 | 衢州图艺工业设计有限公司 | Combined steel pipe cutting machine |
-
2014
- 2014-04-30 CN CN201420223675.8U patent/CN203778851U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962623A (en) * | 2014-04-30 | 2014-08-06 | 衢州图艺工业设计有限公司 | Combined steel pipe cutting machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160309 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |