CN201459487U - Electret, dividing and cutting machine for non-weaving cloth - Google Patents
Electret, dividing and cutting machine for non-weaving cloth Download PDFInfo
- Publication number
- CN201459487U CN201459487U CN2009200441757U CN200920044175U CN201459487U CN 201459487 U CN201459487 U CN 201459487U CN 2009200441757 U CN2009200441757 U CN 2009200441757U CN 200920044175 U CN200920044175 U CN 200920044175U CN 201459487 U CN201459487 U CN 201459487U
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- electret
- cloth
- roller
- rack
- rag knife
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Abstract
The utility model discloses an electret, dividing and cutting machine for non-weaving cloth, and relates to an electret, dividing and cutting device for non-weaving cloth which is also named as non-woven cloth. The machine comprises an unreeling rack, a winding roller, a cloth pressing roller, an electret tank, an electret cylinder, a pressing cloth guide roller, a cloth guide roller, a swing rack, an adjustable cloth cutting knife rest, a cloth cutter, a cloth cutter shaft, a cloth pressing roller, a cloth support roller, a cloth inspection light source, a rolling tension controller, a main transmission motor, a counterweight component, a cutter shaft motor, a stander braking controller, a quick clamping device and an air expanding shaft, wherein two ends of the winding roller are arranged on the unreeling rack, the outside of the electret cylinder is provided with the electret tank which is provided with a plurality of rows of high-pressure discharge brushes, and a stander is grounded; the cloth pressing roller and the pressing cloth guide roller are arranged on the standers at two sides of the electret cylinder respectively, the swing rack is movably arranged at two sides of the stander, the lower part of the swing rack is provided with the counterweight component, and the cloth guide roller, the cloth support roller and the cloth pressing roller are arranged at the upper part of the swing rack in turn; and the air expanding shaft is arranged on the stander at the lower part of the swing rack through a bearing block, and the swing rack at one end of the cloth pressing roller is provided with the main transmission motor.
Description
Technical field
A kind of non-weaving cloth electret of the utility model, cutting machine relate to electret, the cutting apparatus that a kind of non-weaving cloth claims nonwoven fabric again, be applicable to the perverse cloth of spunbond cloth, pin, the spray fusing cloth that adopt high molecular polymer to make, particularly melt and spray filter cloth electret, cut, compound, the multipurpose all-in-one.
Background technology
At present melt blown non-woven is mainly used in filtering material, and it is half-finished cuts most employing slitting paper machine.Its cutting method is: the rotation torsion when lower round knife relies on rolling in the employing, required material of cutting is sheared in the rotation of lower round knife in the drive.When cutting the melt blown non-woven filter cloth, need bigger pulling force to drag yardage roll with its equipment of this kind method, unreel on one side, rolling on one side, also to drive Circular cutter and cloth speed rotation together up and down simultaneously, such cutting method makes the very tight of the product volume of cutting, the speed of cutting also is along with the change of rolling coil diameter is accelerated greatly, this is extremely disadvantageous to melting and spraying cutting of filter material, can increase the resistance of filtering material, the main quality index that the filter effect of filtering material and resistance are filter material, batching of tension can make the resistance of filter material increase exponentially, and be particularly more obvious for the filter material of fluff type.Simultaneously also very loaded down with trivial details, consuming time when width is cut in change, the position of cutter is improper up and down should cause disconnected volume, or damages cutter, electret is cut after the check more in addition, and is not only time-consuming, take a lot of work, and the resistance of filter material also can change, be difficult to guarantee the quality of filter material.
Summary of the invention
The purpose of this utility model is at above-mentioned weak point, a kind of non-weaving cloth electret is provided, cutting machine, having multiple function can be with the non-weaving cloth electret, cut, compound multiple function is finished in same equipment, be that a kind of performance is better than the existing multiple functional equipment of cutting machine, make filter material after cutting, filter is imitated and resistance keeps its due quality, and do not change the filter effect and the resistance of filter material because of the extrusion stretching of unwinding and rewinding, product quality is guaranteed, cut simultaneously, electret, compound, multiple working procedures such as check are incorporated in one procedure, on the equipment, not only improve production efficiency, also reduced production cost and equipment investment.
A kind of non-weaving cloth electret, cutting machine take following technical scheme to realize: a kind of non-weaving cloth electret, cutting machine comprise unwinding rack, wind-up roll, compress roller, electret case, electret tube, pressurization fabric guide roll, fabric guide roll, swing span, adjustable rag knife frame, rag knife, rag knife axle, compress roller, mop roller, perching light source, batching tension controller, main driving motor, balance weight assembly, cutter shaft motor, brake monitor, fast fixture and inflatable axle.
Described unwinding rack is provided with 1～4.Unwinding rack is divided into main unwinding rack and auxiliary unwinding rack.The wind-up roll two ends are contained on the unwinding rack, wind-up roll one end is equipped with brake monitor, and the other end is equipped with fast fixture, and brake monitor is used for braking control wind-up roll and rotates, brake monitor can adopt commercially available Cz type magnetic powder brake, and electromagnet, magnetic formula arrestment mechanism are housed.Fast fixture comprises handle, push rod, push rod installing rack, winding up roller shaft-cup, and the push rod installing rack is contained in unwinding rack top, and push rod is contained on the push rod installing rack, push rod one end is equipped with handle, the push rod other end is equipped with the winding up roller shaft-cup, and dress is inserted in wind-up roll one end, holds out against wind-up roll.Unwinding rack is linked to each other with bearing pin with frame by connecting rod, the parallelogram that formation can move left and right.
The electret case is equipped with in electret tube outside, and many row's electrion brushes are housed on the electret case, supplies with required voltage, electric current, rack earth by constant-current high-voltage DC power supply.
Compress roller and pressurization fabric guide roll are contained in respectively on the electret tube machine frame at two sides, swing span is movably arranged on the frame both sides, balance weight assembly is equipped with in the rocker bottom, fabric guide roll, mop roller and compress roller are contained in swing span top successively. and the inflatable axle is installed on the frame of swing span bottom by bearing block, inflatable axle one side can be equipped with the batching tension controller, by PC singlechip controller control batching tension force. and the batching tension controller can adopt commercially available CJ type magnetic powder cluth.
Adjustable rag knife frame is housed on swing span top, the rag knife axle is installed on the adjustable rag knife frame by bearing block, several rag knifes pass through rag knife frame clamping on the rag knife axle, at rag knife axle one end the cutter shaft motor is housed, by the gear drive cutter shaft, drive rag knife and rotate at a high speed, be used to cut non-weaving cloth (melting and spraying filter cloth).
On the compress roller one end swing span main driving motor is housed, main driving motor adopts commercially available GWVY11-17-0.5KW cycloidal-pin wheel reducing motor, main driving motor rotates by travelling gear transmission compress roller, and the non-woven yardage roll after the cutting is pressed on the refill on the inflatable axle.Described inflatable axle hollow is equipped with air bag, has several pin key grooves on inflatable axle excircle, and several pin keies are housed, and at inflatable axle one end unidirectional charge valve is housed, and unidirectional charge valve is connected with air bag.Behind the inflatable axle airbag aeration, pin key ejects clamping sleeve and is contained on the refill on the inflatable axle from cotter way, so that the non-woven yardage roll after the coiling electret is cut, after coiling is cut, gas in the air bag is bled off, make in the pin key retraction pin keyway, can be conveniently take off non-woven yardage roll after connecing required size and cutting together with refill.
The utility model non-weaving cloth electret, cutting machine have adopted constant linear velocity, permanent tension force unwinding and rewinding device.Unwinding and rewinding tension force, has the tension feedback system to finely tune simultaneously and make rolling tension force more stable, and the speed of unwinding and rewinding is to be controlled by electret tube speed by the output voltage of supporting PC controller according to the automatic adjustment of tonicity controller of setting value along with the variation of coil diameter.The many rows electrion brush that is contained in filter material electret process on the electret case produces the 30KV high voltage electricity to the electret tube, and filter material is adsorbed on electret tube surface.Can adjust by the parameter setting of revising the PC controller as required the elasticity that finished product after cutting batches, make the resistance of filter material reach purpose consistent in the volume.Rag knife by rag knife frame clamping on the rag knife axle, as long as just and can unclamp holding screw and can arbitrarily adjust to the needs size according to cutting width.Cloth cover is stretched on compress roller and the mop roller in wrapup procedure, but about the rag knife incision cloth cover degree of depth 5mm that the cloth cover top rotates at a high speed.The position that can regulate mop roller changes the rag knife penetraction depth.Cut material enter cut when district cloth cover be into fabric guide roll, enter the rag knife of mop roller, compress roller and top again, because these cloth rewinder rolls all are around same axis swing, so can not change the penetraction depth of rag knife to cloth cover.The effect that twists in coiling tension for the cloth after preventing to cut is excessively extended down, or the mutual interlock of the yardage roll after cutting, thus at a high speed the front and back of the rag knife of rotation and mop roller apart from adjustable, reducing or the extension of increase after cutting, or the mutual interlock of the yardage roll after cutting.The size of control cutter seam is because of rag knife is to be contained in that to cut width with the former minimum on the rag knife axle be that knife rest thick (2.5 centimeters) maximum is cut the effective length that width is the rag knife axle.The rotating speed of rag knife axle can be adjusted the cutter shaft motor speed by frequency converter, can select different rotating speeds to the product of different soft and hard thickness with the different speed of cutting.
A kind of non-weaving cloth electret, reasonable in design, the compact conformation of cutting machine, easy to use, high efficiency is the production equipment that efficiently melts and sprays air filter material indispensability.The present invention has multiple function can be with the non-weaving cloth electret, cut, compound multiple function is finished in same equipment, be that a kind of performance is better than the existing multiple functional equipment of cutting machine, make filter material after cutting, filter is imitated and resistance keeps its due quality, and do not change the filter effect and the resistance of filter material because of the extrusion stretching of unwinding and rewinding, product quality is guaranteed, cut simultaneously, electret, compound, multiple working procedures such as check are incorporated on one procedure, the equipment, not only improve production efficiency, also reduced production cost and equipment investment.The spunbond cloth, eedle-punched non-wovens, the spray fusing cloth that are widely used in adopting high molecular polymer to make, particularly melt and spray filter cloth electret, cut, compound.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is a kind of non-weaving cloth electret, cutting machine schematic diagram.
But Fig. 2 is the self-regulating cloth holder schematic diagram of putting of the permanent tension force move left and right of a kind of non-weaving cloth electret, cutting machine.
Fig. 3 is rag knife, rag knife axle, compress roller, mop roller and the inflatable shaft portion schematic diagram of a kind of non-weaving cloth electret, cutting machine.
The specific embodiment
A kind of non-weaving cloth electret, cutting machine comprise unwinding rack, wind-up roll, compress roller 14, electret case 5, electret tube 6, pressurization fabric guide roll 7, fabric guide roll swinging axle 9, swing span 10, adjustable rag knife frame 12, rag knife 13, rag knife axle 22, compress roller 14, mop roller 15, perching light source 16, batching tension controller 17, main driving motor 18, balance weight assembly 19, cutter shaft motor 20, brake monitor 24, fast fixture 25 and inflatable axle 23.
Described unwinding rack is provided with 1～4.Unwinding rack is divided into main unwinding rack 2 and auxiliary unwinding rack 1.Wind-up roll 11 two ends are contained on the unwinding rack, let off roll 11 1 ends are equipped with braking control 24 devices, the other end is equipped with fast fixture, brake monitor 24 is used for braking control let off roll 11 and rotates, brake monitor 24 can adopt commercially available Cz type magnetic powder brake, and electromagnet, magnetic formula arrestment mechanism are housed.Fast fixture comprises handle 25, push rod 26, push rod installing rack 27, winding up roller shaft-cup 28, push rod installing rack 27 is contained in main unwinding rack 2 and auxiliary unwinding rack 1 top, push rod 26 is contained on the push rod installing rack 27, push rod 26 1 ends are equipped with handle 25, push rod 26 other ends are equipped with winding up roller shaft-cup 28, dress is inserted in let off roll 11 1 ends, holds out against let off roll 11.Main unwinding rack 2 is linked to each other with frame 21 usefulness bearing pins by connecting rod 30 with auxiliary unwinding rack 1, the parallelogram that formation can move left and right.
Compress roller 4 and pressurization fabric guide roll 7 are contained in respectively on electret tube 6 machine frame at two sides 21, and swing span 10 is movably arranged on frame 21 both sides, and balance weight assembly 19 is equipped with in swing span 10 bottoms, and fabric guide roll 9, mop roller 15 and compress roller 14 are contained in swing span 10 tops successively.Inflatable axle 23 is installed in by bearing block on the frame 21 of swing span 10 bottoms, and inflatable axle 10 1 sides can be equipped with batching tension controller 17, by PC singlechip controller control batching tension force.Batching tension controller 17 can adopt commercially available CJ type magnetic powder cluth.
On swing span 10 tops adjustable rag knife frame 12 is housed, rag knife axle 22 is installed on the adjustable rag knife frame 12 by bearing block, several rag knifes 13 pass through rag knife frame 12 clampings on rag knife axle 22, at rag knife axle 22 1 ends cutter shaft motor 20 is housed, by gear drive cutter shaft 22, drive rag knife 13 rotation at a high speed, be used to cut non-weaving cloth 31 (melting and spraying filter cloth).
On the compress roller 14 1 end swing spans 10 main driving motor 18 is housed, main driving motor 18 adopts commercially available GWVY11-17-0.5KW cycloidal-pin wheel reducing motor, main driving motor 18 rotates by travelling gear 32 transmission compress rollers 14, and the non-weaving cloth 31 after the cutting is rolled up on the refill that is pressed on the inflatable axle 23.Inflatable axle 23 is contained on the frame 21.Described inflatable axle 23 hollows are equipped with air bag, have several pin key grooves on inflatable axle 23 excircles, and several pin keies 33 are housed, and at inflatable axle 23 1 ends unidirectional charge valve 29 are housed, and unidirectional charge valve 29 is connected with air bag.After inflatable axle air bag fills, pin key 33 ejects clamping sleeve and is contained on the refill on the inflatable axle 23 from cotter way, so that the non-weaving cloth 31 after the coiling electret is cut, after winding, gas in the air bag is bled off, make pin key move back 33 and be sold back to a grain-producing area in the keyway, can be conveniently take off non-woven yardage roll after connecing required size and cutting together with refill.
The yardage roll that gets off from production line is to twist on the special-purpose wind-up roll; these roller fixed length two ends have the square notch be used for unwinding rack (main unwinding rack 1 and auxiliary unwinding rack 2) on the interface of brake monitor 24 match; the other end holds out against wind-up roll 11. unwinding racks with the winding up roller shaft-cup 28 of fast fixture and is linked to each other with frame 21 usefulness bearing pins by connecting rod 3; but constitute the parallelogram of move left and right; unwinding rack (main unwinding rack 1 and auxiliary unwinding rack 2) is contacted with ground with convenient by steamboat and moves. and non-weaving cloth 31 (filter material) is by compress roller 4; with pressurization fabric guide roll 7 along with the effect that the rotation of electret tube 6 is wrapped on the electret tube 6 with pressurization fabric guide roll 7 removes the cornerite of increase non-weaving cloth 31 (filter material) to electret tube 6; also can pressurize to non-weaving cloth 31 (filter material); to regulate filter medium resistance and filter rate; electret tube 6 is placed in the circular electret case 5; laying many row's electrion brushes in the electret case; supply with required voltage by the crossing current high-voltage DC power supply; electric current; non-weaving cloth 31 (filter material) is at a slow speed; under the condition of constant temperature by electret. after non-weaving cloth 31 (filter material) contains the electrostatic charge opposite with electrion brush discharge pin end; the effect of particulate is significantly improved and resistance remains unchanged in its filtered air. rotate output by electret tube 6 again behind non-weaving cloth 31 (filter material) electret; non-weaving cloth electret of the present invention; cutting machine can be placed on 1～4 volume non-weaving cloth respectively on the unwinding rack to enter by pressurization fabric guide roll 7 and be installed in rotating fabric guide roll 9 on the swing span and reverse to be compound to mop roller 15 and compress roller 14 again and be fixed on the inflatable axle 8 on the required refill of cutting size. and the reverse placement power of refill and compress roller is that main driving motor provides. and the non-weaving cloth 31 (filter material) behind the electret passes through mop roller 15; compress roller 14; rag knife 13 is installed on the knife rest 12; and connect the required fixed size of cutting on the rag knife axle; and incision mop roller 15; 2～8mm is adjustable for compress roller 14 tangent lines; also can instead rise and separate with cloth cover; the incision position of rag knife can be with mop roller 15 reaches; so that different non-weaving cloth 31 (filter material) is adjusted to required rotating speed; soft broad type product is needed at a high speed hard thick product to be wanted low speed. to cut the rapid-result direct proportion of electret speed and cutter simultaneously and regulate. the degree of tightness of non-weaving cloth 31 (filter material) batching can be adjusted the size of rolling cloth pressure by the compress roller; the pressure large batch is tight; otherwise yardage roll pine; the pressure size of compress roller is adjusted by being contained on the swing span 10 weight device 19; as long as increase the weight of the weight of weight device 19 just can reduce the compress roller to non-weaving cloth 31 (filter material) on the contrary the pressure of batching and make the yardage roll rolling-in that fluffs. it is long and at the artificial last volume of the regulation long autostop of volume to measure volume in a side of compress roller length-counted device to be housed. in the process that the yardage roll electret is cut because of linear velocity at per minute below 20 meters; event divides cut to detect cloth cover time point, and the both sides of swing span 10 this machine when perching light source 16 is housed below the cloth cover at the inferior point of discovery can also be moveed backward to remove substandard products cloth. and described length-counted device can adopt commercially available YH953B type intelligence length-counted device.
Claims (5)
1. a non-weaving cloth electret, cutting machine, it is characterized in that comprising unwinding rack, wind-up roll, compress roller, electret case, electret tube, pressurization fabric guide roll, fabric guide roll, swing span, adjustable rag knife frame, rag knife, rag knife axle, compress roller, mop roller, perching light source, batching tension controller, main driving motor, balance weight assembly, cutter shaft motor, brake monitor, fast fixture and inflatable axle;
The wind-up roll two ends are contained on the unwinding rack, wind-up roll one end is equipped with brake monitor, the other end is equipped with fast fixture, and brake monitor is used for braking control wind-up roll and rotates, and fast fixture comprises handle, push rod, push rod installing rack, winding up roller shaft-cup, the push rod installing rack is contained in unwinding rack top, push rod is contained on the push rod installing rack, and push rod one end is equipped with handle, and the push rod other end is equipped with the winding up roller shaft-cup, dress is inserted in wind-up roll one end, holds out against wind-up roll;
The electret case is equipped with in electret tube outside, many row's electrion brushes is housed, rack earth on the electret case;
Compress roller and pressurization fabric guide roll are contained in respectively on the electret tube machine frame at two sides, and swing span is movably arranged on the frame both sides, and balance weight assembly is equipped with in the rocker bottom, and fabric guide roll, mop roller and compress roller are contained in swing span top successively; The inflatable axle is installed on the frame of swing span bottom by bearing block;
Adjustable rag knife frame is housed on swing span top, the rag knife axle is installed on the adjustable rag knife frame by bearing block, several rag knifes pass through rag knife frame clamping on the rag knife axle, at rag knife axle one end the cutter shaft motor is housed, by the gear drive cutter shaft, drive rag knife and rotate at a high speed, the cutting non-weaving cloth.
According to right with requiring 1 described a kind of non-weaving cloth electret, cutting machine, it is characterized in that described unwinding rack is provided with 1～4, unwinding rack is divided into main unwinding rack and auxiliary unwinding rack.
According to right with requiring 1 described a kind of non-weaving cloth electret, cutting machine, it is characterized in that described unwinding rack is linked to each other with bearing pin with frame by connecting rod, the parallelogram that formation can move left and right.
According to right with requiring 1 described a kind of non-weaving cloth electret, cutting machine, it is characterized in that the batching tension controller adopts CJ type magnetic powder cluth.
According to right with requiring 1 described a kind of non-weaving cloth electret, cutting machine, it is characterized in that described inflatable axle one side is equipped with the batching tension controller, by PC singlechip controller control batching tension force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200441757U CN201459487U (en) | 2009-06-19 | 2009-06-19 | Electret, dividing and cutting machine for non-weaving cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200441757U CN201459487U (en) | 2009-06-19 | 2009-06-19 | Electret, dividing and cutting machine for non-weaving cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201459487U true CN201459487U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200441757U Expired - Lifetime CN201459487U (en) | 2009-06-19 | 2009-06-19 | Electret, dividing and cutting machine for non-weaving cloth |
Country Status (1)
| Country | Link |
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| CN (1) | CN201459487U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978891A (en) * | 2012-11-15 | 2013-03-20 | 长兴润兴无纺布厂（普通合伙） | Non-woven hole-punching machine |
| CN104328515A (en) * | 2014-10-25 | 2015-02-04 | 江苏六鑫洁净新材料有限公司 | Online electret receiving device of non-woven fabric |
| CN106956959A (en) * | 2017-05-03 | 2017-07-18 | 遂昌县睿鼎科技服务有限公司 | A kind of use for synthetic leather decorative pattern transfer paper rewind slitting device |
| CN107354702A (en) * | 2017-06-08 | 2017-11-17 | 张宏飞 | Cloth cutter device is used in a kind of footwear production |
| CN111620156A (en) * | 2020-06-05 | 2020-09-04 | 韩士兵 | Receiving, slitting and coiling all-in-one machine for melt-blown non-woven fabric |
| CN112482012A (en) * | 2020-12-01 | 2021-03-12 | 智程无纺布(江苏)有限公司 | Cutting machine is used in non-woven fabrics production with automatic positioning function |
-
2009
- 2009-06-19 CN CN2009200441757U patent/CN201459487U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978891A (en) * | 2012-11-15 | 2013-03-20 | 长兴润兴无纺布厂（普通合伙） | Non-woven hole-punching machine |
| CN104328515A (en) * | 2014-10-25 | 2015-02-04 | 江苏六鑫洁净新材料有限公司 | Online electret receiving device of non-woven fabric |
| CN104328515B (en) * | 2014-10-25 | 2016-08-17 | 江苏六鑫洁净新材料有限公司 | A kind of online electret of non-weaving cloth receives device |
| CN106956959A (en) * | 2017-05-03 | 2017-07-18 | 遂昌县睿鼎科技服务有限公司 | A kind of use for synthetic leather decorative pattern transfer paper rewind slitting device |
| CN106956959B (en) * | 2017-05-03 | 2018-06-05 | 遂昌县睿鼎科技服务有限公司 | A kind of use for synthetic leather decorative pattern transfer paper rewind slitting device |
| CN107354702A (en) * | 2017-06-08 | 2017-11-17 | 张宏飞 | Cloth cutter device is used in a kind of footwear production |
| CN107354702B (en) * | 2017-06-08 | 2020-04-17 | 浙江派力鞋业有限公司 | Cloth cutting device is used in shoes production |
| CN111620156A (en) * | 2020-06-05 | 2020-09-04 | 韩士兵 | Receiving, slitting and coiling all-in-one machine for melt-blown non-woven fabric |
| CN112482012A (en) * | 2020-12-01 | 2021-03-12 | 智程无纺布(江苏)有限公司 | Cutting machine is used in non-woven fabrics production with automatic positioning function |
| CN112482012B (en) * | 2020-12-01 | 2022-04-05 | 智程无纺布(江苏)有限公司 | Cutting machine is used in non-woven fabrics production with automatic positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Tengda Nonwoven Materials Co., Ltd. Assignor: Yu Yang Contract record no.: 2010320001118 Denomination of utility model: Electret, dividing and cutting machine for non-weaving cloth Granted publication date: 20100512 License type: Exclusive License Record date: 20100909 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090619 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jiangsu Tengda Nonwoven Materials Co., Ltd. Assignor: Yu Yang Contract record no.: 2010320001118 Date of cancellation: 20130116 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |