CN2068023U - Automatic hard-drawn fixed length cutting device for reinforcing bar - Google Patents
Automatic hard-drawn fixed length cutting device for reinforcing bar Download PDFInfo
- Publication number
- CN2068023U CN2068023U CN 90206886 CN90206886U CN2068023U CN 2068023 U CN2068023 U CN 2068023U CN 90206886 CN90206886 CN 90206886 CN 90206886 U CN90206886 U CN 90206886U CN 2068023 U CN2068023 U CN 2068023U
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- reinforcing bar
- gear
- draw
- oil cylinder
- guide groove
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Abstract
The utility model relates to an automatic hard-drawn fixed length cutting device for reinforcing bars, which relates to a hard-drawn processing device for reinforcing bars and comprises a material rest, an alarming arrester, a withdrawing die, a towing device, a straightening device and a cutting device. The alarming arrester can send out alarm signals and cause the towing device to stop automatically when the reinforcing bars wind or the material rest has no reinforcing bars. The towing device is a hybrid type towing device which uses a slide board fixture-type towing device which is automatic and continuous as a main part and uses a winding-drum-type towing device as a secondary part. The cutting device is a hydraulic and automatic fixed length cutting device. Except that the utility model is especially suitable for processing different coil rods of reinforcing bars in a continuous automatic hard-drawn way, the utility model can be also used for processing of bar materials of which the diameter is more than phi 8 in a hard-drawn mode.
Description
The utility model relates to a kind of steel bar cold draw process equipment.
Steel bar cold draw processing is meant adopts the steel molding that the direct cold-drawn of larger-diameter reinforcing bar is the reinforcing bar than minor diameter, and it is common operation in machinery, the building trade.The steel bar cold draw process equipment is at least by bin, withdrawing pattern, draw-gear, machine straightening device and clipping apparatus constitute, be coiled in treating on the bin and pull out the major diameter reinforcing bar and be reinforcing bar by cold-drawn behind the withdrawing pattern, and after the machine straightening device straightening, cut off by clipping apparatus than minor diameter by draw-gear traction.The steel bar cold draw process equipment has single head and bull, the branch of single track and multiple tracks, can only a reinforcing bar of cold-drawn be single head, two above reinforcing bars of cold-drawn simultaneously be bull; The single track that is that has only one withdrawing pattern, what the above withdrawing pattern of twice was arranged is multiple tracks.
The draw-gear of existing steel bar cold draw process equipment has interrupted traction and draws two big classes continuously, and interrupted draw-gear is because efficient is very low, so replaced by continuous draw-off device gradually.With regard to the structure of continuous draw-gear, mainly contain reel wound form and slide plate fixture type two big classes.Reel wound form draw-gear is made up of one or more reel, be installed in respectively after each road withdrawing pattern and drive around separately central shaft by transmission mechanism and rotate by variable speed electric motors, particularly, reinforcing bar twine each reel respectively and by each reel traction successively by each withdrawing pattern.The compact conformation of reel wound form draw-gear relatively is suitable for multiple tracks cold-drawn processing; But it is, just powerless at reinforcing bar or the bar of ∮ more than 8 for diameter because the restriction of structure only is suitable for the cold-drawn diameter at the wire rod reinforcing bar of ∮ below 8.Slide plate fixture type draw-gear (CN89207408,6, the automatically continuous cold-drawn draw-gear of reinforcing bar) then can both adapt to larger-diameter reinforcing bar or bar, but since bulky, generally be only limited to single track cold-drawn processing.
The clipping apparatus of existing steel bar cold draw process equipment adopts manual operation more, can not realize that the bar one-time fixed length cuts off, and not only efficient is very low, and the proportion of goods damageds of reinforcing bar are very high.In addition, existing steel bar cold draw process equipment does not have means and the relative measures (shutdown) that faults such as material or reinforcing bar winding also lack forecast for reinforcing bar.
The purpose of this utility model be design a kind of both can cold-drawn processing major diameter reinforcing bar or bar, also can cold-drawn processing minor diameter reinforcing bar; and the steel bar cold draw process equipment that the bar one-time automatic cut-to-length after the cold-drawn processing can be cut off can also not have faults such as material or reinforcing bar winding simultaneously and sends alarm signal and make the draw-gear autostop to reinforcing bar.
To achieve these goals, the utility model is being set up a warning arresting gear that can send alarm signal when reinforcing bar does not have material or reinforcing bar winding and make the draw-gear autostop between bin and the withdrawing pattern; Draw-gear is designed to based on the automatic continuous draw-off device of slide plate fixture type, with reel wound form draw-gear is the mixed traction device of pair, the secondary draw-gear of reel wound form both can add when the multiple tracks cold-drawn, also can bypass when cold-drawn rod iron of large diameter or bar; Clipping apparatus then is designed to cut off length-adjustable hydraulic pressure automatic cut-to-length clipping apparatus.The technical characterictic of the automatic cold-drawn fixed length of the utility model reinforcing bar being cut off equipment below in conjunction with specific embodiment is described in further detail.
Accompanying drawing 3 is the structural representation of warning arresting gear;
Attached Figure 4 and 5 are the structural representation of secondary draw-gear;
Accompanying drawing 6 and 7 is the structural representation of hydraulic pressure automatic cut-to-length clipping apparatus.
1-7 with reference to the accompanying drawings, the automatic cold-drawn fixed length of the utility model steel bar cold draw is cut off equipment and mainly is made up of bin A, warning arresting gear B, withdrawing pattern C, secondary draw-gear D, main draw-gear E, machine straightening device F and hydraulic pressure automatic cut-to-length clipping apparatus G, being coiled in treating on the bin A, to pull out major diameter reinforcing bar H be the minor diameter reinforcing bar by draw-gear traction by cold-drawn behind the withdrawing pattern C, and cut off by fixed length of hydraulic pressure automatic cut-to-length clipping apparatus G after the straightening by machine straightening device F in addition; When the wire rod steel bar cold draw finishes and occurs that reinforcing bar does not have that when material or invar muscle are wrapped on the bin and normally during drawing, warning arresting gear B can send alarm signal and make the draw-gear autostop by its warning system.
Warning arresting gear B comprises that a reinforcing bar twines the warning arresting gear and more than one reinforcing bar does not have material warning arresting gear.Reinforcing bar twines the warning arresting gear and is made of casing B1, spring spool B2, compression spring B3, travel switch B4, propulsion arm B5 and alarm; Spring spool B2 is a cylindrical shape, tilts to be installed on the top of casing B1; Compression spring B3 is a helically coiled, is installed in the spring spool B2; Propulsion arm B5 T-shaped is inserted in the spring spool B2 and after passing compression spring B3 central authorities and is stretched among the casing B1, and its top has the boss that matches with compression spring; Travel switch B4 is an open type, is installed among the casing B1; When waiting to pull out reinforcing bar because of the winding tensioning; by propulsion arm B5 compressive pressure spring B 3 and make propulsion arm B5 axially in casing B1, moving along spring spool B2; make travel switch B4 connection and control alarm send reinforcing bar and twine alarm signal, make the draw-gear autostop simultaneously.
Reinforcing bar does not have material warning arresting gear and is made up of guide pin bushing B6, protection Membrane cover B7, light source B8, optical-electrical converter B9, control pin B10 and alarm; Guide pin bushing B6 is installed on the top of casing B1, and its central authorities have can be by waiting to pull out the circular hole of reinforcing bar H, and the two ends of circular hole respectively have a protection Membrane cover B7, and the upper wall of guide pin bushing B6 has the pin-and-hole that is used to lay the control pin, and pin-and-hole passes the upper wall of guide pin bushing B6; Control pin B10 is placed in the pin-and-hole of guide pin bushing B6 upper wall and can slides up and down therein, and the center of guide pin bushing is stretched in its lower end; Light source B8 and optical-electrical converter B9 are installed on the both sides of control pin B10 respectively, and the controlled cotter of the light beam that is sent by light source B8 under normal condition B10 blocks and can not arrive optical-electrical converter B9; When reinforcing bar did not have material, control B10 fell, and the light beam that is sent by light source B8 incides on the optical-electrical converter B9, and the photosignal that optical-electrical converter B9 sends is controlled its alarm and sent reinforcing bar and do not have the material alarm signal, makes the draw-gear autostop simultaneously.
Draw-gear of the present utility model is to be main draw-gear, to be the mixed traction device of secondary draw-gear with reel wound form draw-gear with slide plate fixture type draw-gear.Slide plate fixture type master draw-gear E(CN89207408.6), be installed in after last one withdrawing pattern C2, E1 drives by transmission mechanism by variable speed electric motors, particularly.Secondary draw-gear D is made up of one or more reel D1, is installed in respectively after each road withdrawing pattern C1, is driven by transmission mechanism by the variable speed electric motors, particularly E1 of main draw-gear.Wait to pull out major diameter reinforcing bar H and enter last road withdrawing pattern C2 by per pass withdrawing pattern C1 and after twining each reel D1 successively, finish the cold-drawn operation, multiple tracks cold-drawn that Here it is by main draw-gear E traction at last.During the single track cold-drawn,, wait to pull out the major diameter reinforcing bar and directly finish single track cold-drawn operation by last one withdrawing pattern C2 by main draw-gear E traction with secondary draw-gear D bypass.
Clipping apparatus G of the present utility model comprises the above hydraulic pressure automatic cut-to-length clipping apparatus of a cover, every cover hydraulic pressure automatic cut-to-length clipping apparatus by synchronous transport wheel, reinforcing bar guide groove, pull bar, travel switch, cut off oil cylinder, cutter, Hydraulic Station and control system composition thereof.Synchronous transport wheel is made of last delivery wheel G1 that works in coordination and following delivery wheel G2, be installed on the frame after the machine straightening device F and by the variable speed electric motors, particularly E1 of main draw-gear by the transmission mechanism driving around separately central shaft rotation, switched in opposite; The frictional force of delivery wheel was sent in cutter and the reinforcing bar guide groove about reinforcing bar H after the cold-drawn straightening passed and also relies between the delivery wheel up and down; Last delivery wheel G1 has an adjustment leading screw G3 who is used to adjust delivery wheel frictional force.The reinforcing bar guide groove comprises fixedly the guide groove G4 and the guide groove G5 that lives, parallel being installed on the synchronous transport wheel frame afterwards; Fixedly guide groove G4 is fixed on the frame, and the guide groove G5 that lives then can open or clamp with respect to fixing guide groove G4; A clamping cylinder G6 and a blowing oil cylinder G7 fixedly are installed on the guide groove successively, and fixedly guide groove G4 is equipped with a clamping connecting rod G8 who matches with clamping cylinder G6 and a blowing connecting rod G9 who matches with blowing oil cylinder G7 between the guide groove G5 successively with living.Pull bar G10 be installed in the reinforcing bar guide groove the top and can be along reinforcing bar guide groove move left and right, the one end with cut off oil cylinder G11 and link to each other, the other end is equipped with a Length Control block G12, cuts off to be equipped with one on the pull bar between oil cylinder G11 and the Length Control block G12 successively and to cut off control collision block G13 and a control feeding collision block G14.Travel switch comprises cuts off travel switch G15 and blowing travel switch G16, be installed in successively the top of pull bar G10 and respectively with cut off control collision block G13 and control feeding collision block G14 and match.Cut off on the oil cylinder slide rail G17 that oil cylinder G11 is sleeved on pull bar one end top, the one end links to each other with pull bar G10, and the other end passes through an extension spring G18 and links to each other with frame, and cutting off oil cylinder G11 can horizontally slip at the effect lower edge of extension spring G18 and pull bar G10 oil cylinder slide rail G17.Cutter comprises cutter G19 and bottom knife G20, all is installed on the bottom of cutting off oil cylinder G11, and bottom knife G20 is for fixing, and cutter G19 then can move down (cutting off) and move (return) under the extension spring effect by cutting off oil cylinder G11 driving.Hydraulic Station is cut off oil cylinder G11, blowing oil cylinder G7 and clamping cylinder G6 provides hydraulic pressure with cutting off that oil cylinder G11, blowing oil cylinder G7 and clamping cylinder G6 are communicated with and be respectively by its control system program in accordance with regulations respectively by pipeline, thereby makes cutter and reinforcing bar guide groove program fixed length in accordance with regulations cut off reinforcing bar, blowing and clamping.
The course of work of hydraulic pressure automatic cut-to-length clipping apparatus is as follows: before reinforcing bar was cut off by fixed length, the reinforcing bar guide groove G5 that lives clamped with fixing guide groove G4 under the thrusting action of clamping cylinder G6 and is in closure state.Send into the reinforcing bar guide groove and arrive predetermined when cutting off length when passing bottom knife G20 under the frictional force effect of the reinforcing bar H after cold-drawn and the straightening at synchronous transport wheel, reinforcing bar H begins the Length Control block G12 of pushing tow pull bar one end and affects pull bar G10 and cut off oil cylinder G11 displacement to the right, the cutting off control collision block G13 that is installed on the pull bar connects to cut off travel switch G15 and cut off oil cylinder G11 by the instruction of Hydraulic Station control system and promotes cutter G19 and move down, to cut off reinforcing bar H.Cut off, cut off the moment that travel switch G15 does not discharge as yet at reinforcing bar H, because cutter G19 is return not as yet, so force the follow-up shear-steel muscle for the treatment of to cut off oil cylinder G11 by the cutter pushing tow and continue to move to right, cut off control collision block G13 release and cut off travel switch G15, cutter G19 is self-return under the extension spring effect, meanwhile, control feeding collision block G14 connect blowing travel switch G16 and by Hydraulic Station control system instruction blowing oil cylinder G7 pushing tow blowing connecting rod G9, guide groove G5 alive is opened with respect to fixing guide groove G4, the fixed length reinforcing bar of having cut off is promptly put into hopper.Behind the cutter G19 return, follow-uply treat that the shear-steel muscle is passed bottom knife G20 smoothly and continues and carry to reinforcing bar guide groove direction; At this moment, cut off oil cylinder G11 and pull bar G10 is moved to the left under the effect of extension spring G18, control feeding collision block G14 discharges blowing travel switch G16 and clamps connecting rod G8, makes guide groove G5 alive and fixedly guide groove G4 clamping by Hydraulic Station control system Instruction Folder locking oil cylinder G6 pushing tow, returns to the state before fixed length is cut off.Obviously, adjust Length Control block G12 and cut off distance between the oil cylinder G11 and can change reinforcing bar and cut off length.
The utility model has been owing to adopted mixed traction device and automatic cut-to-length clipping apparatus, So both can the single track cold-drawn process Large-size rebar or bar; also can multiple tracks cold-drawn minor diameter wire rod reinforcing bar; and the bar one-time automatic cut-to-length after the cold-drawn processing can be cut off, also can send alarm signal and make the draw-gear autostop when reinforcing bar does not have the fault such as material or reinforcing bar winding occurring. Therefore, the utility model is particularly suitable for cold-drawn and processes various wire rod reinforcing bars or bar.
Claims (4)
1, a kind of steel bar cold draw process equipment, at least constitute by bin, withdrawing pattern, draw-gear, machine straightening device and clipping apparatus, being coiled in treating on the bin, to pull out the major diameter reinforcing bar be the minor diameter reinforcing bar by draw-gear traction by cold-drawn behind the withdrawing pattern, and cut off by clipping apparatus after the straightening by machine straightening device in addition; Feature of the present utility model is to set up a warning arresting gear that can send alarm signal when reinforcing bar does not have material or twines and make the draw-gear autostop between described bin and the withdrawing pattern; Described draw-gear is to be the mixed traction device of pair based on the automatic continuous draw-off device of slide plate fixture type, with reel wound form draw-gear; Described clipping apparatus is a hydraulic pressure automatic cut-to-length clipping apparatus.
2, steel bar cold draw process equipment according to claim 1 is characterized in that described warning arresting gear comprises that a reinforcing bar twines the warning arresting gear and more than one reinforcing bar does not have material warning arresting gear; Described reinforcing bar twines the warning arresting gear by casing, spring spool, compression spring, travel switch, propulsion arm and alarm are formed, spring spool is a cylindrical shape, tilt to be installed on the top of casing, compression spring is a helically coiled, be installed in the spring spool, propulsion arm is a T-shaped, insert in the spring spool and after passing compression spring central authorities and stretch among the casing, the top of propulsion arm has the boss that matches with compression spring, travel switch is the open type switch, be installed among the casing, when waiting to pull out reinforcing bar because of the winding tensioning, by propulsion arm compressive pressure spring and propulsion arm is axially moved in casing along spring spool, travel switch is connected and the control alarm sends reinforcing bar and twines alarm signal, draw-gear is shut down; Described reinforcing bar does not have material warning arresting gear by guide pin bushing; the protection Membrane cover; light source; optical-electrical converter; control pin and alarm constitute; guide pin bushing is installed on the top of casing; its central authorities have can be by waiting to pull out the circular hole of reinforcing bar; the two ends of circular hole respectively have a protection Membrane cover; the upper wall of guide pin bushing has the pin-and-hole that the control pin is installed; pin-and-hole penetrates the upper wall of guide pin bushing; control is sold in the pin-and-hole that is placed in the guide pin bushing upper wall and can be slided up and down therein; the center of guide pin bushing is stretched in its lower end; light source and optical-electrical converter are installed on the both sides of control pin respectively; the controlled cotter of the light beam that is sent by light source under the normal condition is blocked; when reinforcing bar did not have material, the control pin fell, and the light beam that is sent by light source incides on the optical-electrical converter; the photosignal control alarm that optical-electrical converter sends sends reinforcing bar is not had the material alarm signal, makes the draw-gear autostop simultaneously.
3, steel bar cold draw process equipment according to claim 1, the main draw-gear that it is characterized in that described mixing draw-gear are the slide plate fixture type from being dynamically connected draw-gear, are installed in after last one withdrawing pattern, are driven by transmission mechanism by variable speed electric motors, particularly; The secondary draw-gear of described mixing draw-gear is made up of one or more reel, is installed in respectively after each the road withdrawing pattern except that last one withdrawing pattern, is driven by transmission mechanism by the variable speed electric motors, particularly of main draw-gear; Wait to pull out the major diameter reinforcing bar and enter last road withdrawing pattern by the per pass withdrawing pattern and after twining each reel successively, finish the cold-drawn operation by main draw-gear traction at last, perhaps directly finish the cold-drawn operation by one withdrawing pattern by main draw-gear traction.
4, steel bar cold draw process equipment according to claim 1, it is characterized in that described clipping apparatus comprises the above hydraulic pressure automatic cut-to-length clipping apparatus of a cover, every cover hydraulic pressure automatic cut-to-length clipping apparatus by synchronous transport wheel, reinforcing bar guide groove, pull bar, travel switch, cut off oil cylinder, cutter, Hydraulic Station and control system formation thereof; Described synchronous transport wheel is made up of last delivery wheel of working in coordination and following delivery wheel, be installed on the frame after the machine straightening device and drive around separately central shaft by transmission mechanism and rotate by the variable speed electric motors, particularly of main draw-gear, switched in opposite, steel after the cold-drawn straightening pulls out and passes between the upper and lower delivery wheel and rely on up and down the frictional force of delivery wheel to send in cutter and the reinforcing bar guide groove, and last delivery wheel has an adjustment leading screw that is used for speed governing delivery wheel frictional force; Described reinforcing bar guide groove comprises the fixedly guide groove and the guide groove of living, parallel being installed on the synchronous transport wheel frame afterwards, fixedly guide groove is fixed on the frame, the guide groove of living then can open or close up with respect to fixing guide groove, a clamping cylinder and a blowing oil cylinder fixedly are installed on the guide groove successively, fixedly between guide groove and the guide groove of living clamping connecting rod and blowing connecting rod that matches with the blowing oil cylinder that a clamping cylinder matches are installed successively; Described pull bar be installed in the reinforcing bar guide groove the top and can be along reinforcing bar guide groove move left and right, the one end with cut off oil cylinder and link to each other, the other end is equipped with a Length Control block, cuts off to be equipped with one between oil cylinder and the Length Control block successively and to cut off control collision block and a control feeding collision block; Described travel switch comprises cuts off travel switch and blowing travel switch, be installed in successively the top of pull bar and respectively with cut off control collision block and control feeding collision block and match; Described cutting off on the oil cylinder slide rail that oil cylinder is sleeved on pull bar one end top cut off an extension spring is housed between oil cylinder and the frame, and cutting off oil cylinder can horizontally slip at the effect lower edge of extension spring and pull bar oil cylinder slide rail; Described cutter comprises cutter and bottom knife, is installed on the bottom of cutting off oil cylinder, and bottom knife is for fixing, and cutter then can move (cutting off) or move (return) on automatic under the extension spring effect to bottom knife by cutting off hydraulic oil cylinder driving; Described Hydraulic Station by oil pipe respectively with cut off oil cylinder, the blowing oil cylinder links to each other with clamping cylinder, by its control system in accordance with regulations program be respectively and cut off oil cylinder, blowing oil cylinder and clamping cylinder hydraulic pressure is provided, thereby make cutter and reinforcing bar guide groove in accordance with regulations program cut off, blowing and clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206886 CN2068023U (en) | 1990-05-25 | 1990-05-25 | Automatic hard-drawn fixed length cutting device for reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206886 CN2068023U (en) | 1990-05-25 | 1990-05-25 | Automatic hard-drawn fixed length cutting device for reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2068023U true CN2068023U (en) | 1990-12-26 |
Family
ID=4887389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90206886 Withdrawn CN2068023U (en) | 1990-05-25 | 1990-05-25 | Automatic hard-drawn fixed length cutting device for reinforcing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2068023U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537592A (en) * | 2013-10-31 | 2014-01-29 | 成都银线电杆有限公司 | Automatic length fixing blanking machine for reinforcing steel bar subjected to butt welding |
| CN103551473A (en) * | 2013-10-31 | 2014-02-05 | 成都银线电杆有限公司 | Post-butting welding steel bar blanking system |
| CN105458021A (en) * | 2016-01-12 | 2016-04-06 | 中交一航局第五工程有限公司 | Photoelectric control system for primary cold drawing length of rebar |
| CN107639122A (en) * | 2017-09-29 | 2018-01-30 | 江西勇骏实业有限公司 | Roller type small copper continuous drawing unit |
| CN111822621A (en) * | 2020-08-14 | 2020-10-27 | 杭州紫腾材科技有限公司 | Reinforcing bar straightener based on electric current heating |
-
1990
- 1990-05-25 CN CN 90206886 patent/CN2068023U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537592A (en) * | 2013-10-31 | 2014-01-29 | 成都银线电杆有限公司 | Automatic length fixing blanking machine for reinforcing steel bar subjected to butt welding |
| CN103551473A (en) * | 2013-10-31 | 2014-02-05 | 成都银线电杆有限公司 | Post-butting welding steel bar blanking system |
| CN103537592B (en) * | 2013-10-31 | 2016-03-16 | 成都银线电杆有限公司 | To postwelding reinforcing bar automatic cut-to-length blanking machine |
| CN103551473B (en) * | 2013-10-31 | 2016-03-23 | 成都银线电杆有限公司 | To postwelding Steel Reinforcing Bar Material system |
| CN105458021A (en) * | 2016-01-12 | 2016-04-06 | 中交一航局第五工程有限公司 | Photoelectric control system for primary cold drawing length of rebar |
| CN107639122A (en) * | 2017-09-29 | 2018-01-30 | 江西勇骏实业有限公司 | Roller type small copper continuous drawing unit |
| CN111822621A (en) * | 2020-08-14 | 2020-10-27 | 杭州紫腾材科技有限公司 | Reinforcing bar straightener based on electric current heating |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
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| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: TONG YIMING LI HONGYAN LIU GUANGRONG YANG YONGGANG YANG YANXIU TO: TONG YIMING LI HONGYAN LIU GUANGRONG YANG YONGGANG YAN XIU |
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| CU01 | Correction of utility model patent |
Correction item: Designer Correct: Tong Yiming|Li Hongyan|Liu Guangrong|Yang Yonggang|Bai Yanxiu False: Tong Yiming|Li Hongyan|Liu Guangrong|Yang Yonggang|Yang Yanxiu Page: The title page |
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| CU03 | Correction of utility model patent gazette |
Correction item: Designer Correct: Tong Yiming|Li Hongyan|Liu Guangrong|Yang Yonggang|Bai Yanxiu False: Tong Yiming|Li Hongyan|Liu Guangrong|Yang Yonggang|Yang Yanxiu Number: 52 Page: 47 Volume: 6 |
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| ERR | Gazette correction |
Free format text: CORRECT: DESIGNER; FROM: TONG YIMING LI HONGYAN LIU GUANGRONG YANG YONGGANG YANG YANXIU TO: TONG YIMING LI HONGYAN LIU GUANGRONG YANG YONGGANG YAN XIU |
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| CF01 | Termination of patent right due to non-payment of annual fee |