CN201482877U - Feeding device with rapid removal die - Google Patents
Feeding device with rapid removal die Download PDFInfo
- Publication number
- CN201482877U CN201482877U CN2009201700496U CN200920170049U CN201482877U CN 201482877 U CN201482877 U CN 201482877U CN 2009201700496 U CN2009201700496 U CN 2009201700496U CN 200920170049 U CN200920170049 U CN 200920170049U CN 201482877 U CN201482877 U CN 201482877U
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- pay
- clamping piece
- groove
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- collet chuck
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Abstract
The utility model provides a feeding device with a rapid removal die, comprising a brake sleeve, a sleeve clamp installed in the brake sleeve, a die unit connected with the outer end of the sleeve clamp and a locking and holding unit arranged at the connecting part of the sleeve clamp and the die unit. The sleeve clamp is provided with a plurality of cutting grooves and a plurality of wedges, the die unit is provided with a plurality of die clamping blocks relative to the wedges, the locking and holding unit is provided with a plurality of elastic locking and holding pieces installed at the outer end of the locking and holding unit and one die clamping block and a plurality of clamping blocks installed at the outer end of the locking and holding unit and the other die clamping block, and the die unit achieves the purpose of rapid removal by utilizing the action of mutual locking in an embedding way or separation of the elastic locking and holding pieces and the locking blocks.
Description
Technical field
The utility model relates to a kind of processing equipment, particularly a kind ofly is used for clamping and pushes the pay-off with fast disassembly type mould that pipe fitting is processed operation.
Background technology
As shown in Figure 1, existing a kind of bending machine comprises a board that extends along a length direction X 1, one being arranged at this board 1 wherein the bending mould device 2 of an end and one being installed on this board 1 and along this length direction X and producing the pay-off 3 of displacements with respect to this bending mould device 2.This pay-off 3 has a pipe fitting grip unit 4 and one and is used to drive this pay-off 3 whole driver elements 6 of pipe fittings 5 to carry out feeding that drive.Cooperate and to consult Fig. 2 and Fig. 3, this pipe fitting grip unit 4 have a stationary pipes 401, one be set in the outer stopper sleeve pipe of this stationary pipes 401 402, one be installed in the collet chuck 403 of these stopper sleeve pipe 402 inside, mould that is locked on this collet chuck 403 404, stop part that is locked in this mould 404 405, one be hubbed on that control piece 406 on the stationary pipes 401 and one drive this control piece 406 and this stopper sleeve pipe 402 of interlock so that 404 pairs of these pipe fittings of this collet chuck 403 and mould 5 produce tightens or the driving cylinder pressure 407 of pine oil.
Though, utilize this pipe fitting grip unit 4 to tighten pipe fitting 5 to reach the feeding purpose, but because this mould 404 has four modules 404 ', and described module 404 ' is respectively with many screws 404 " locking is on this collet chuck 403; when the external diameter of this pipe fitting 5 changes and desires more mold exchange 404, must be earlier with described screw 404 " all dismountings, change the module 404 ' of different size after, lock described screw 404 again ", more the operation of mold exchange 404 quite bothers and is consuming time.
The utility model content
The purpose of this utility model provides a kind of pay-off with fast disassembly type mould that cooperates different pipe fitting external diameter fast demountables and promote production capacity.
The utlity model has the pay-off of fast disassembly type mould, comprise that a stopper sleeve, one are installed in the collet chuck in this stopper sleeve, a die unit that is linked to this collet chuck and a buckle holding unit that is arranged on this collet chuck and this die unit junction.This stopper sleeve is hollow tube-shape, and has an endoporus that extends along an axis, and this stopper sleeve is moved along the direction of this axis by the external force stopper.This collet chuck is installed in the endoporus of this stopper sleeve, and has one around this axis and be used to produce the perisporium of a trepanning, a plurality of grooving and a plurality of bundle piece that results between per two described groovings that is opened in this perisporium, this perisporium has one and stretches the medial end that is located in this endoporus, an outboard end that is positioned at this endoporus outside, an inner ring surface and an outer ring surface opposite with this inner ring surface, and described grooving is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end.This die unit is linked to the outboard end of this collet chuck, and has the clamping piece of the described bundle piece of a plurality of correspondences and one and formed and to nib that should axis around defining by described clamping piece.The fixture block that this buckle holding unit has the elasticity retainer of the described clamping piece of a plurality of correspondences and the mutual buckle of a plurality of and described elasticity retainer or separates, described elasticity retainer be installed on respectively described bundle piece and described clamping piece one of them, described fixture block be installed on respectively described bundle piece and described clamping piece another.
Pay-off with fast disassembly type mould described in the utility model, the described elasticity retainer of this buckle holding unit has a pair of jaw and a catching groove that is arranged between described jaw respectively, described jaw has the elastic force that is supported and support the inside clipping in back, described fixture block buckles in the described catching groove, and described fixture block has the circular groove of the described jaw clipping of a confession location respectively.
Pay-off with fast disassembly type mould described in the utility model, this buckle holding unit also has a plurality of locking parts, and on the bundle piece of this collet chuck, described fixture block is convexly set in described clamping piece to described locking part with described elasticity retainer locking.
Pay-off with fast disassembly type mould described in the utility model, this collet chuck also has a plurality of limited impressions, the elasticity retainer of this buckle holding unit has the anchor portion and the elastic ends that is hung on this outboard end outside that are installed in the described limited impression respectively, this anchor portion has the lockhole that a described locking part of confession wears, described jaw and described catching groove are extended towards this anchor portion by this elastic ends, and described catching groove has a guidance part that is arranged on this elastic ends end respectively, a buckling parts and the stop section between between this guidance part and this buckling parts that is arranged on this guidance part inboard, this stop section are compared to this buckling parts and this guidance part brings shape together.
Pay-off with fast disassembly type mould described in the utility model, this collet chuck also has a plurality ofly to be located at described bundle piece and to wear groove between between per two described grooving, the described groove of wearing is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end, the cross section of the clamping piece of this die unit is L-shaped, and have one respectively and stretch the extension that is located in this trepanning, one with vertical flange part and the shoulder face that is created in this extension and this flange part joining place that is connected and is arranged on this outboard end outside of this extension, the catching groove of this buckle holding unit also has one and this guidance part respectively, this buckling parts is communicated with and corresponding to the described operating portion of wearing groove.
Pay-off with fast disassembly type mould described in the utility model, the described clamping piece of this die unit also has a bayonet lock that is fixedly arranged on this shoulder face respectively, and this bayonet lock inlay card is worn in the groove described.
Pay-off with fast disassembly type mould described in the utility model, the extension of the clamping piece of this die unit has an end face perpendicular to this axis, this pay-off also comprises a block unit that is locked in this die unit, this block unit has a plurality of blocks that are locked in described end face, described block has an abutment face that fits in described end face respectively, and this abutment face has one and extends and extend to medial margin in this nib towards this axis.
Pay-off with fast disassembly type mould described in the utility model, this collet chuck also has a plurality ofly wears groove between between described grooving, the described groove of wearing is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end, the cross section of the clamping piece of this die unit is L-shaped, and have one respectively and stretch the extension that is located in this trepanning, one with the vertically disposed flange part of this extension and a shoulder face that is created in this extension and this flange part joining place, the catching groove of this buckle holding unit also have respectively one with this guidance part, this buckling parts is communicated with and corresponding to the described operating portion of wearing groove.
Pay-off with fast disassembly type mould described in the utility model, the described clamping piece of this die unit also has a bayonet lock that is fixedly arranged on this shoulder face respectively, and this bayonet lock inlay card is worn in the groove described.
Pay-off with fast disassembly type mould described in the utility model, the clamping piece of this die unit has an end face of stretching in the trepanning that is located at this collet chuck, this pay-off also comprises a block unit that is locked in this die unit, this block unit has a plurality of blocks that are locked in described end face, described block has an abutment face that fits in described end face respectively, and this abutment face has one and extends and extend to medial margin in this nib towards this axis.
The beneficial effects of the utility model are: the elasticity retainer that utilizes this buckle holding unit is with the mutual buckle of fixture block or separate, make described clamping piece replacement operation quite easily and fast, and reach the purpose that promotes production capacity.
Description of drawings
Fig. 1 is the flat assembly drawing of existing a kind of bending machine;
Fig. 2 is the generalized section of a pay-off of this kind bending machine;
Fig. 3 is the side schematic view of this pay-off;
Fig. 4 is the three-dimensional exploded view of a preferred embodiment that the utlity model has the pay-off of fast disassembly type mould;
Fig. 5 is another three-dimensional exploded view of this preferred embodiment;
Fig. 6 is the plane exploded view of this preferred embodiment, and the assembling process of a die unit and a collet chuck is described;
Fig. 7 is the three-dimensional combination figure of this preferred embodiment, illustrates that this die unit utilizes a buckle holding unit to be linked to this collet chuck;
Fig. 8 is the combination section of this preferred embodiment;
Fig. 9 is the cross-sectional schematic of being got along the straight line IX-IX among Fig. 8.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
As Fig. 4, Fig. 5 and shown in Figure 6, the utlity model has the preferred embodiment of the pay-off of fast disassembly type mould, be adapted to be mounted to that (figure does not show on the board of processing equipment (as bending machine), please cooperate ginseng Fig. 1), and in order to transfer pipe fitting 100 (see figure 8)s to process (as bend pipe) operation, this pay-off comprises a stopper sleeve 10, a collet chuck 20 that is installed in this stopper sleeve 10, a die unit 30 that is linked to this collet chuck 20, a buckle holding unit 40 and a block unit 50 that is locked in this die unit 30 that is arranged on this collet chuck 20 and these die unit 30 junction.For making drawing succinct, one group of part of working in coordination is all only drawn in the die unit 30 among Fig. 4 and Fig. 5, buckle holding unit 40 and block unit 50.
This stopper sleeve 10 is hollow tube-shape, and has an endoporus 11 that extends along an axis L, and this stopper sleeve 10 is moved (stopper engine composition does not show, please cooperate the pipe fitting grip unit 4 of consulting Fig. 1) by the external force stopper vertically.
This collet chuck 20 is installed in the endoporus 11 of this stopper sleeve 10, and has one around this axis L and be used to produce the perisporium 22 of a trepanning 21, a plurality of grooving 23 that is opened in this perisporium 22, a plurality of bundle piece 24 that is arranged at 23 of per two groovings, a plurality ofly be located at described bundle piece 24 and wearing groove 25 and a plurality ofly being positioned at the described screw 26 of wearing groove 25 inboards between 23 of per two groovings respectively.This perisporium 22 has one and stretches the opposite outer ring surface 224 of inner ring surface 223 that outboard end 222, one that the medial end that is located in this endoporus 11 221, one be positioned at these endoporus 11 outsides be used to produce this trepanning 21 and and this inner ring surface 223.Described grooving 23 is extended and runs through this inner ring surface 223 and this outer ring surface 224 towards this medial end 221 by this outboard end 222.It is mobile vertically that described bundle piece 24 is subjected to this stopper sleeve 10 to do the time spent, inwardly brings together with respect to this axis L simultaneously or outside pine oil.The described groove 25 of wearing is extended and runs through this inner ring surface 223 and this outer ring surface 224 towards this medial end 221 by this outboard end 222.In addition, this collet chuck 20 also has the described limited impression 27 of wearing groove 25 and screw 26 and being arranged with by this outer ring surface 224 of a plurality of correspondences.
Cooperate and to consult Fig. 7, this die unit 30 is linked to the outboard end 222 of this collet chuck 20, and has the clamping piece 31 of the described bundle piece 24 of a plurality of correspondences and one and formed and to nib 32 that should axis L around defining by described clamping piece 31.The cross section of described clamping piece 31 is L-shaped, and has one respectively and stretch shoulder face 313, bayonet lock 314 that is fixedly arranged on this shoulder face 313 that the vertical flange part 312 that is connected and is arranged on these outboard end 222 outsides of the extension that is located in this trepanning 21 311, and this extension 311, are arranged on this extension 311 and these flange part 312 joining places.Described extension 311 has an end face 315 perpendicular to this axis L respectively, and described bayonet lock 314 inlay cards are worn in the groove 25 pairing, and makes described clamping piece 31 produce angle orientation with respect to described bundle piece 24.
This buckle holding unit 40 has the elasticity retainer 41 of the described clamping piece 31 of a plurality of correspondences, a plurality of and described elasticity retainer 41 mutual buckles or the fixture block 42 that separates and a plurality of with the locking part 43 of described elasticity retainer 41 lockings on described bundle piece 24.In the present embodiment, described elasticity retainer 41 is installed on the described bundle piece 24, described fixture block 42 is installed on described clamping piece 31, and described elasticity retainer 41 has one respectively, and to be installed in anchor portion 411 in the described limited impression 27, one and this anchor portion 411 opposite and be hung on the elastic ends 412 of these outboard end 222 outsides, a pair of jaw 413 and catching groove 414 that is arranged on 413 of described jaws and is also extended towards this anchor portion 411 by this elastic ends 412 that is extended towards anchor portion 411 by this elastic ends 412.This anchor portion 411 has the lockhole 415 that a described locking part 43 of confession wears, described jaw 413 has the elastic force that is supported and support the inside clipping in back, described catching groove 414 has one respectively and is arranged on these elastic ends 412 ends and is trumpet-shaped guidance part 416, a buckling parts 417 that is arranged on these guidance part 416 inboards and generally is circular hole, one between the stop section 418 of 417 of this guidance part 416 and this buckling parts and one and this guidance part 416, buckling parts 417, lockhole 415 is communicated with and corresponding to the described operating portion 419 of wearing groove 25, and this stop section 418 is compared to this buckling parts 417 and guidance part 416 brings shape together.Described fixture block 42 is installed in the lateral surface of the flange part 312 of described clamping piece 31, buckled into smoothly in the described buckling parts 417 by the guiding of described guidance part 416, and has the circular groove 421 of described jaw 413 clippings of a confession location respectively.
These block unit 50 lockings are on the described clamping piece 31 of this die unit 30, and have a plurality of blocks 51 and an a plurality of screw 52 that described block 51 is locked in described end face 315, described block 51 has an abutment face 511 that fits in described end face 315 respectively, this abutment face 511 has one and levels off to this axis L and extend to medial margin 512 in this nib 32, and this medial margin 512 provides the end of this pipe fitting 100 to support the fastening position.
Fig. 6 and shown in Figure 9 for another example, when desire is assemblied in this collet chuck 20 with this die unit 30, need only be with the catching groove 414 of described fixture block 42 in alignment with described elasticity retainer 41, and it is sheathed vertically, utilize the guiding of described guidance part 416 and cross stop section 418 smoothly, and make the position that offers circular groove 421 just be nested in this buckling parts 417, utilize the described jaw 413 inwardly elastic force of clipping own and the setting of stop section 418 behind the described fixture block 42 sheathed location again, avoid fixture block 42 and elasticity retainer 41 delamination.And when all clamping pieces 31 utilized this buckle holding unit 40 all and link be positioned the outboard end 222 of this collet chuck 20 after, as shown in Figures 7 and 8, between described clamping piece 31 medial surfaces, produce nib 32 that should axis L, this nib 32 cooperates institute's desire to transfer the external diameter of pipe fitting 100, and under normal operating state, this collet chuck 20 is located in the endoporus 11 of this stopper sleeve 10, utilize the collar of 10 pairs of these collet chuck 20 outboard end 222 of this stopper sleeve, described bundle piece 24 is inwardly tightened, and drive 31 pairs of these pipe fittings of described clamping piece 100 and produce and tighten effect, to transfer pipe fitting 100 and to carry out the bend pipe operation.Therefore, the operation of these die unit 30 assemblings is quite simple, quick.
In the assembling process of above-mentioned this die unit 30, described clamping piece 31 is towards collet chuck 20 convergences the time, utilize described extension 311 to be inserted in this trepanning 21, make described clamping piece 31 reach mind, and utilize described bayonet lock 314 to embed described wearing in the groove 25 again, make described clamping piece 31 produce angle orientation with respect to this collet chuck 20.
Again as shown in Figure 9, when pipe fitting 100 external diameters of desiring to carry out the bend pipe operation change and desire when changing die unit 30, the operator need only penetrate and stretch to from operating portion 419 and wear in the groove 25 with a rod instrument 200 (for example screwdriver bar), again the shoulder face 313 of clamping piece 31 is pulled outwardly and push away, utilize jaw 413 to have the elasticity that is supported, make fixture block 42 cross stop section 418 smoothly and disengaging in the own elasticity retainer 41, and inwardly also reinstatement of clipping automatically again after jaw 413 is supported, therefore the operation of dismounting is quite simple, quick.
In sum, utilize the setting of this buckle holding unit 40, make the assembling of this die unit 30, dismounting all quite easy, and the operation of changing die unit 30 fast, save time.
Claims (10)
1. pay-off with fast disassembly type mould comprises that a stopper sleeve, one are installed in the collet chuck in this stopper sleeve, a die unit that is linked to this collet chuck and a buckle holding unit that is arranged on this collet chuck and this die unit junction; It is characterized in that,
This stopper sleeve is hollow tube-shape, and has an endoporus that extends along an axis, and this stopper sleeve is moved along the direction of this axis by the external force stopper;
This collet chuck, be installed in the endoporus of this stopper sleeve, and has one around this axis and be used to produce the perisporium of a trepanning, a plurality of grooving and a plurality of bundle piece that results between per two described groovings that is opened in this perisporium, this perisporium has one and stretches the medial end that is located in this endoporus, an outboard end that is positioned at this endoporus outside, an inner ring surface and an outer ring surface opposite with this inner ring surface that is used to produce this trepanning, and described grooving is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end;
This die unit is linked to the outboard end of this collet chuck, and has the clamping piece of the described bundle piece of a plurality of correspondences and one and formed and to nib that should axis around defining by described clamping piece;
This buckle holding unit, the fixture block that has the elasticity retainer of the described clamping piece of a plurality of correspondences and the mutual buckle of a plurality of and described elasticity retainer or separate, described elasticity retainer be installed on respectively described bundle piece and described clamping piece one of them, described fixture block be installed on respectively described bundle piece and described clamping piece another.
2. the pay-off with fast disassembly type mould according to claim 1, it is characterized in that, the described elasticity retainer of this buckle holding unit has a pair of jaw and a catching groove that is arranged between described jaw respectively, described jaw has the elastic force that is supported and support the inside clipping in back, described fixture block buckles in the described catching groove, and described fixture block has the circular groove of the described jaw clipping of a confession location respectively.
3. the pay-off with fast disassembly type mould according to claim 2 is characterized in that this buckle holding unit also has a plurality of locking parts, and on the bundle piece of this collet chuck, described fixture block is convexly set in described clamping piece to described locking part with described elasticity retainer locking.
4. the pay-off with fast disassembly type mould according to claim 3, it is characterized in that, this collet chuck also has a plurality of limited impressions, the elasticity retainer of this buckle holding unit has the anchor portion and the elastic ends that is hung on this outboard end outside that are installed in the described limited impression respectively, this anchor portion has the lockhole that a described locking part of confession wears, described jaw and described catching groove are extended towards this anchor portion by this elastic ends, and described catching groove has a guidance part that is arranged on this elastic ends end respectively, a buckling parts and the stop section between between this guidance part and this buckling parts that is arranged on this guidance part inboard, this stop section are compared to this buckling parts and this guidance part brings shape together.
5. the pay-off with fast disassembly type mould according to claim 4, it is characterized in that, this collet chuck also has a plurality ofly to be located at described bundle piece and to wear groove between between per two described grooving, the described groove of wearing is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end, the cross section of the clamping piece of this die unit is L-shaped, and have one respectively and stretch the extension that is located in this trepanning, one with vertical flange part and the shoulder face that is created in this extension and this flange part joining place that is connected and is arranged on this outboard end outside of this extension, the catching groove of this buckle holding unit also has one and this guidance part respectively, this buckling parts is communicated with and corresponding to the described operating portion of wearing groove.
6. the pay-off with fast disassembly type mould according to claim 5 is characterized in that, the described clamping piece of this die unit also has a bayonet lock that is fixedly arranged on this shoulder face respectively, and this bayonet lock inlay card is worn in the groove described.
7. the pay-off with fast disassembly type mould according to claim 6, it is characterized in that, the extension of the clamping piece of this die unit has an end face perpendicular to this axis, this pay-off also comprises a block unit that is locked in this die unit, this block unit has a plurality of blocks that are locked in described end face, described block has an abutment face that fits in described end face respectively, and this abutment face has one and extends and extend to medial margin in this nib towards this axis.
8. the pay-off with fast disassembly type mould according to claim 1, it is characterized in that, this collet chuck also has a plurality ofly wears groove between between described grooving, the described groove of wearing is extended and runs through this inner ring surface and this outer ring surface towards this medial end by this outboard end, the cross section of the clamping piece of this die unit is L-shaped, and have one respectively and stretch the extension that is located in this trepanning, one with the vertically disposed flange part of this extension and a shoulder face that is created in this extension and this flange part joining place, the catching groove of this buckle holding unit also have respectively one with this guidance part, this buckling parts is communicated with and corresponding to the described operating portion of wearing groove.
9. the pay-off with fast disassembly type mould according to claim 8 is characterized in that, the described clamping piece of this die unit also has a bayonet lock that is fixedly arranged on this shoulder face respectively, and this bayonet lock inlay card is worn in the groove described.
10. the pay-off with fast disassembly type mould according to claim 1, it is characterized in that, the clamping piece of this die unit has an end face of stretching in the trepanning that is located at this collet chuck, this pay-off also comprises a block unit that is locked in this die unit, this block unit has a plurality of blocks that are locked in described end face, described block has an abutment face that fits in described end face respectively, and this abutment face has one and extends and extend to medial margin in this nib towards this axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700496U CN201482877U (en) | 2009-08-11 | 2009-08-11 | Feeding device with rapid removal die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700496U CN201482877U (en) | 2009-08-11 | 2009-08-11 | Feeding device with rapid removal die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201482877U true CN201482877U (en) | 2010-05-26 |
Family
ID=42421770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201700496U Expired - Lifetime CN201482877U (en) | 2009-08-11 | 2009-08-11 | Feeding device with rapid removal die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201482877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890447A (en) * | 2010-06-22 | 2010-11-24 | 无锡曙光模具有限公司 | Fixture for increasing diameter of thick-walled hollow pipe |
| CN109732142A (en) * | 2019-03-20 | 2019-05-10 | 白尊敏 | Straight tube chipless cutting machine |
| CN113617955A (en) * | 2021-08-02 | 2021-11-09 | 浙江金马逊机械有限公司 | Pipe bending equipment and automatic material conveying and transferring device thereof |
-
2009
- 2009-08-11 CN CN2009201700496U patent/CN201482877U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890447A (en) * | 2010-06-22 | 2010-11-24 | 无锡曙光模具有限公司 | Fixture for increasing diameter of thick-walled hollow pipe |
| CN109732142A (en) * | 2019-03-20 | 2019-05-10 | 白尊敏 | Straight tube chipless cutting machine |
| CN113617955A (en) * | 2021-08-02 | 2021-11-09 | 浙江金马逊机械有限公司 | Pipe bending equipment and automatic material conveying and transferring device thereof |
| CN113617955B (en) * | 2021-08-02 | 2023-01-10 | 浙江金马逊智能制造股份有限公司 | Pipe bending equipment and automatic material conveying and transferring device thereof |
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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: SOCO Machinery (Zhangjiagang) Co., Ltd. Assignor: Hehe Machinery Co., Ltd. Contract record no.: 2011990000659 Denomination of utility model: Feeding device with rapid removal die Granted publication date: 20100526 License type: Exclusive License Record date: 20110718 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
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| CX01 | Expiry of patent term |