CN204844735U - Runner cutting device - Google Patents
Runner cutting device Download PDFInfo
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- CN204844735U CN204844735U CN201520295531.8U CN201520295531U CN204844735U CN 204844735 U CN204844735 U CN 204844735U CN 201520295531 U CN201520295531 U CN 201520295531U CN 204844735 U CN204844735 U CN 204844735U
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- supporting part
- cutting machine
- gate cutting
- cutter
- injection molded
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- 238000005520 cutting process Methods 0.000 title claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 71
- 239000007924 injection Substances 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000007373 indentation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a runner cutting device, include: a supporting part for carrying put the injection forming spare of treating the cutting, an injection forming spare is fixed in for inciting somebody to action treat the cutting fixed establishment on the loading end of supporting part, can be at the perpendicular to two at least cutters of straight reciprocating motion carry out on the first direction of the loading end of supporting part, and, with the cutter is connected, is used for the drive the cutter is in straight reciprocating motion's a moving mechanism carries out on the first direction. The utility model provides a runner cutting device can realize cutting simultaneously to the both sides runner of injection forming spare, and convenient operation effectively reduces the operation manpower, improve production efficiency, and the cost is lower.
Description
Technical field
The utility model relates to a kind of process equipment, particularly relates to a kind of gate cutting machine.
Background technology
Light guide plate is widely used in each electronic product, and it is when producing, and for enhancing productivity, reduces production cost, needs to use mold injection to be shaped more.For the injection molded article of the light guide plate taken out from metal die, because the resin hardened in cast gate can be connected as a single entity with light guide plate as casting waste material, therefore after the injection molded article of the light guide plate taken out from metal die, casting waste material from cutting stock the injection molded article of this light guide plate, is namely carried out cast gate cutting by needs.
Traditional light guide plate adopts a mould two cave formula injection mold to carry out injection molded.The casting waste material that the injection molded article of light guide plate generally includes two pieces of light guide plates and is connected between two pieces of light guide plates.The cast gate cutting mode of the light guide plate of a traditional mould two cave formula injection molded is: rely on the artificial conventional tool that uses to carry out processing one by one, the injection molded article of light guide plate is put into positioner to carry out one side and cut, take out, rotate, part will do not cut put into positioner and again cut, the end of job.Like this, not only affect light guide plate production efficiency, also that at substantial is artificial, increase enterprise's production cost, simultaneously because manual operation easily occurs maloperation, easily cause the generation of not cutting the situation such as clean, be unfavorable for the product quality management control of enterprise.
Utility model content
The purpose of this utility model is to provide a kind of gate cutting machine, and it can realize cutting the injection molded article both sides of light guide plate simultaneously, effectively reduces operation manpower, enhances productivity.
A kind of gate cutting machine, comprising:
For the supporting part of placing injection molded article to be cut;
For injection molded article to be cut being fixed on the fixed mechanism on the loading end of described supporting part;
At least two cutters of straight reciprocating motion can be carried out on the first direction of the loading end perpendicular to described supporting part; And,
Be connected with described cutter, for the first travel mechanism driving described cutter to carry out straight reciprocating motion in said first direction.
Further, described fixed mechanism comprises: injection molded article to be cut can be adsorbed in the absorption fixation device on the loading end of described supporting part.
Further, described absorption fixation device comprises:
Be distributed in the multiple vacuum suction mouths on described supporting part;
And the vacuum device to be connected with described vacuum suction mouth.
Further, described first travel mechanism comprises:
The cylinder be connected with described cutter;
And be connected with described cylinder, for driving the first drive motors of described cylinder.
Further, described gate cutting machine also comprises:
Be arranged on described supporting part, for the location structure positioned injection molded article to be cut.
Further, described location structure comprises: be arranged at the locating hole on the loading end of described supporting part.
Further, described gate cutting machine also comprises: for driving at least one cutter to carry out straight reciprocating motion in the second direction parallel with the loading end of described supporting part, to change the second travel mechanism of the relative distance between at least two cutters.
Further, described gate cutting machine also comprises:
Be provided for described supporting part and can carry out straight reciprocating motion on the third direction of loading end being parallel to described supporting part, move into make described supporting part or shift out the 3rd travel mechanism in the region just right with described cutter.
Further, described 3rd travel mechanism comprises: the guide rail arranged along described third direction; Wherein said supporting part is arranged on described guide rail, and can move along described guide rail under external force.
Further, described gate cutting machine also comprises supporting part fixture, described supporting part fixture can when described supporting part moves into the region that described cutter is just right, described supporting part is fixed, and when described supporting part need shift out with the region that described cutter is just right, discharge described supporting part.
Further, described gate cutting machine also comprises the first support body and second support body vertical with described first support body, wherein said supporting part is arranged on described first support body, described cutter is arranged on described second support body, and described supporting part has near the first end of described second support body and the second end away from described second support body;
Described supporting part fixture comprises:
Be arranged at the first magnet of the first end of described supporting part;
And be arranged on described second support body, and corresponding with the position of described first magnet, second magnet that can coordinate with described first magnet.
The beneficial effects of the utility model are as follows:
Gate cutting machine provided by the utility model can realize cutting for two side gates of injection molded article simultaneously, easy to operate, effectively reduces operation manpower, enhance productivity, and cost is lower.
In optimal technical scheme provided by the utility model, can also fix injection molded article to be cut by vacuum suction mode, this fixed form can avoid the generation causing scuffing etc. bad to injection molded article; In addition, in optimal technical scheme provided by the utility model, this gate cutting machine can also be applicable to the cast gate cutting of the injection molded article of different size, applied widely.
Accompanying drawing explanation
Fig. 1 represents the front view of gate cutting machine provided by the utility model;
Fig. 2 represents the top view of Fig. 1;
Fig. 3 represents the side view of Fig. 1.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Injection molded article for light guide plate in prior art only can rely on when carrying out cast gate cutting and manually carry out one side and cut, labor intensive, the technical problems such as production efficiency is low, the utility model provides a kind of gate cutting machine, it can realize cutting for the injection molded articles such as light guide plate two side gate simultaneously, thus effectively reduce operation manpower, enhance productivity.
As shown in Figures 1 to 3, gate cutting machine provided by the utility model comprises:
For the supporting part 100 of placing injection molded article 10 to be cut;
For injection molded article 10 to be cut being fixed on the fixed mechanism on the loading end of described supporting part 100;
At least two cutters 200 of straight reciprocating motion can be carried out on the first direction of the loading end perpendicular to described supporting part 100; And,
Be connected with described cutter 200, for the first travel mechanism 300 driving described cutter 200 to carry out straight reciprocating motion in said first direction.
In such scheme, supporting part 100 placing injection molded article 10 to be cut can be passed through, move at least two cutters 200 by the first travel mechanism 300, namely at least two cutters 200 can cut injection molded article two side gate that supporting part 100 is placed simultaneously.As can be seen here, gate cutting machine provided by the utility model can realize cutting for the both sides of injection molded article simultaneously, easy to operate, effectively reduces operation manpower, enhance productivity, and cost is lower.
It should be noted that, gate cutting machine provided by the utility model may be used for the injection molded article cutting light guide plate, that is, described injection molded article 10 to be cut is the injection molded article of light guide plate.Should be understood that, this gate cutting machine also may be used for the cast gate cutting of the injection molded article of other products.
In preferred embodiment provided by the utility model, described fixed mechanism comprises: injection molded article 10 to be cut can be adsorbed in the absorption fixation device on the loading end of described supporting part 100.Adopt such scheme, can be fixed by adsorbing the next injection molded article 10 to be cut of fixing mode, can prevent injection molded article 10 to be cut in cutting process from offseting, fixed form is simple.
Should be understood that, in other embodiments of the present utility model, also other modes can be adopted to be fixed on supporting part 100 by injection molded article 10 to be cut, such as: by depression bar etc., injection molded article 10 to be cut can be pressed in supporting part 100 first-class.
It should be noted that, in preferred embodiment of the present utility model, adopt compared with the fixed forms such as vacuum suction fixed form and employing depression bar, adopt depression bar to fix injection molded article 10 to be cut likely to cause damage to injection molded article, especially for light guide plate, the white shadow of light guide plate, scuffing etc. can be caused, adopt absorption fixed form then can avoid generation injection molded article being caused to the bad phenomenon such as scuffing.
In preferred embodiment provided by the utility model, described absorption fixation device comprises: be distributed in the multiple vacuum suction mouths on described supporting part 100; And the vacuum device to be connected with described vacuum suction mouth.Adopt such scheme, fix injection molded article 10 to be cut by vacuum suction mode.Should be understood that, in actual applications, other suction types also can be adopted to fix injection molded article 10 to be cut, such as: distribute the modes such as multiple suckers on the loading end of supporting part 100.
In addition, in preferred embodiment provided by the utility model, described first travel mechanism 300 comprises:
The cylinder 301 be connected with described cutter 200;
And be connected with described cylinder 301, for driving the first drive motors 302 of described cylinder 301.
In such scheme, cutter 200 is driven to move in a first direction by cylinder 301.Should be understood that, in actual applications, described first travel mechanism 300 can also adopt other structures, such as: described first travel mechanism 300 can comprise screw mandrel and servomotor etc.
In addition, in preferred embodiment provided by the utility model, described gate cutting machine also comprises: be arranged on described supporting part 100, for the location structure positioned injection molded article 10 to be cut.
Such scheme, can position the injection molded article 10 to be cut that the loading end of supporting part 100 is placed by arranging location structure, to make cutter 200 accurately to cut at the gate location of injection molded article, ensures cutting accuracy.
In preferred embodiment provided by the utility model, described location structure comprises: be arranged at the locating hole on the loading end of described supporting part 100.
In such scheme, can by arranging locating hole on the loading end of supporting part 100, when injection molded article 10 to be cut is positioned on supporting part 100, with this locating hole for positioning datum, injection molded article 10 to be cut can be positioned on the loading end of supporting part 100.The locating hole that wherein can arrange diverse location for the injection molded article 10 to be cut of different size positions, and the locating hole of diverse location can not affect the flatness of the loading end of supporting part 100, can not injection molded article 10 to be cut be impacted.
In addition, as shown in the figure, in embodiment of the present utility model, described location structure can also comprise: be arranged on described supporting part 100, with the location indentations of injection molded article 10 structure matching to be cut.In such scheme, utilize the self structure of injection molded article 10 to be cut to coordinate with location indentations to realize locating, such as: when injection molded article 10 to be cut is the injection molded article of the light guide plate that a mould two cave formula injection mold is formed, the casting waste material that the injection molded article of light guide plate generally includes two pieces of light guide plates and is connected between two pieces of light guide plates, casting waste material location indentations being set on supporting part 11 and coming between accommodating two light guide plates can be utilized, the injection molded article of light guide plate is positioned.Should be understood that, in other embodiments of the present utility model, described location structure can also adopt other structures, such as: described location structure can also comprise positioning framework etc., will not enumerate at this.
In addition, in embodiment provided by the utility model, preferably, described gate cutting machine also comprises: for driving at least one cutter 200 to carry out straight reciprocating motion in the second direction parallel with the loading end of described supporting part 100, to change the second travel mechanism of the relative distance between at least two cutters 200.
Adopt such scheme, at least one cutter 200 can move in a second direction, to change the distance between at least two cutters 200, thus, the cutting position of this gate cutting machine can be made adjustable, thus, can be used for the cast gate cutting of the injection molded article of different size on the one hand, can finely tune cutting position, to ensure cutting accuracy on the other hand.
Preferably, this second travel mechanism can comprise:
At least two slide blocks, are connected correspondingly with at least two cutters;
At least two rhizoid bars coordinated respectively with at least two slide blocks;
And for the servomotor of at least two rhizoid bars described in driving.
Adopt such scheme, can coordinate to come moving cutting tool 200 in a second direction by screw mandrel and servomotor, and the fit system of screw mandrel and servomotor, shift position controls more accurate.Should be understood that, in other embodiments of the present utility model, described second travel mechanism can also adopt other structures, such as: adopt air cylinder driven cutter 200 to move in a second direction, will not enumerate at this.
In addition, in embodiment provided by the utility model, preferably, described gate cutting machine also comprises: being provided for described supporting part 100 can carry out straight reciprocating motion on the third direction of loading end being parallel to described supporting part 100, with the 3rd travel mechanism making described supporting part 100 move into or shift out the region just right with described cutter 200.
Adopt such scheme, when carrying out cutting operation to injection molded article 10 to be cut, first, by the 3rd travel mechanism, (namely supporting part 100 can be shifted out the region just right with described cutter 200, as shown in the figure, supporting part 100 is shifted out with described cutter 200 below), then, injection molded article 10 to be cut is placed and is fixed on supporting part 100, then, by the 3rd travel mechanism, (namely supporting part 100 is moved into the region just right with described cutter 200, supporting part 100 is moved into immediately below described cutter 200), then, utilize the first travel mechanism 300 moving cutting tool 200, cutter 200 is made to cut injection molded article 10 to be cut, after having cut, the region just right with described cutter 200 is shifted out (namely again by the 3rd travel mechanism, supporting part 100 is shifted out immediately below described cutter 200), take out the product of well cutting, complete cutting operation.
In embodiment provided by the utility model, preferably, as shown in Figures 1 to 3, described 3rd travel mechanism comprises: the guide rail 501 arranged along described third direction; Wherein said supporting part 100 is arranged on described guide rail 501, and can move along described guide rail 501 under external force.
Adopting such scheme, by applying external force on described supporting part 100, can move along third direction on guide rail 501 to make supporting part 100.Wherein, can manually or the mode such as electronic on supporting part 100, apply external force, preferably, directly by promoting supporting part 100 manually, can reduce the cost of this device like this, simple to operate.
In addition, in embodiment provided by the utility model, preferably, described gate cutting machine also comprises supporting part fixture, described supporting part fixture can when described supporting part 100 moves into the region that described cutter 200 is just right, described supporting part 100 is fixed, and when described supporting part 100 need shift out with the region that described cutter 200 is just right, discharges described supporting part 100.
Adopt such scheme, by arranging supporting part fixture, the just right region of cutter 200 (namely immediately below cutter 200) can be moved at supporting part 100, when utilizing cutter 200 to cut injection molded article 10 to be cut, supporting part 100 is fixed, offsets along guide rail 501 to prevent supporting part 100 in cutting process; And before being cut or after having cut, this supporting part fixture then can releasing bearing portion 100, and supporting part 100 can shift out the just right region of cutter 200 (namely immediately below cutter 200), picks and places injection molded article.
In embodiment provided by the utility model, preferably, as shown in Figures 1 to 3, described gate cutting machine also comprises the first support body 601 and second support body 602 vertical with described first support body 601, wherein said supporting part 100 is arranged on described first support body 601, described cutter 200 is arranged on described second support body 602, and described supporting part 100 has near the first end of described second support body 602 and the second end away from described second support body 602;
Wherein said supporting part fixture comprises:
Be arranged at the first magnet of the first end of described supporting part 100;
And be arranged on described second support body 602, and corresponding with the position of described first magnet, second magnet that can coordinate with described first magnet.
Adopt such scheme, on the supporting part 100 of this gate cutting machine and the second support body 602, magnet can be set respectively, when supporting part 100 moves into the just right region of cutter 200 (namely immediately below cutter 200), namely supporting part 100 is positioned at the terminal position near the second support body 602 of guide rail 501, first magnet and the second magnet can attract each other automatically, and supporting part 100 is fixed, offset along guide rail 501 to prevent supporting part 100 in cutting process; And before being cut or after having cut, this supporting part 100 mobile under external force, then external force can make the first magnet be separated with the second magnet, thus can releasing bearing portion 100, supporting part 100 can shift out the just right region of cutter 200 (namely immediately below cutter 200), to pick and place injection molded article.This supporting part fixture utilizes the attraction of magnet to realize object that is fixing or releasing bearing portion 100, and structure is simple, easily operates.
It is appreciated of course that, in other embodiments of the present utility model, described supporting part fixture also can adopt other structures to realize, such as: can by arranging draw-in groove in the bottom of supporting part 100, arrange the modes such as the Elastic buckle coordinated with draw-in groove at guide rail 501 end of the first support body 601 to realize.
In addition, as shown in Figures 1 to 3, in other embodiments of the present utility model, described first support body 601 can also be arranged the first gauge tap 700 for controlling absorption fixation device switch and the second gauge tap 800 for controlling the first travel mechanism 300.
Below illustrate that the gate cutting machine provided in the utility model preferred embodiment carries out the flow process of cast gate cutting operation to the injection molded article of light guide plate:
First, get the injection molded article of light guide plate, and with the spacing hole on supporting part 100 for positioning datum, the injection molded article of light guide plate is placed horizontally on the loading end of plummer.
Then, the injection molded article controlling light guide plate by the first gauge tap 700 is fixed on the loading end of plummer by vacuum suction;
Then, supporting part 100 is pushed into the end of guide rail 501 along guide rail 501, to make the loading end of supporting part 100 be positioned at the just right region of cutter 200 (namely immediately below cutter), namely the first magnet on supporting part 100 fixed with the second attraction on the second support body 602;
Then, by the second gauge tap 800 control cylinder 301, cutter 200 is moved (namely moving down) to the direction near loading end along first direction, start cutting along with cylinder 301 presses down, casting waste materials and light guide plate cutting are come;
Then, by the second gauge tap 800 control cylinder 301, cutter 200 is moved (namely moving up) to the direction away from loading end along first direction;
Finally, pull plummer, the first magnet on supporting part 100 is separated with the second magnet on the second support body 602, plummer shifts out the just right region of cutter 200 (namely immediately below cutter) along guide rail 501, absorption fixation device is closed by the first gauge tap 700, take out the light guide plate after cutting, operation completes.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. a gate cutting machine, is characterized in that, comprising:
For the supporting part of placing injection molded article to be cut;
For injection molded article to be cut being fixed on the fixed mechanism on the loading end of described supporting part;
At least two cutters of straight reciprocating motion can be carried out on the first direction of the loading end perpendicular to described supporting part; And,
Be connected with described cutter, for the first travel mechanism driving described cutter to carry out straight reciprocating motion in said first direction.
2. gate cutting machine according to claim 1, is characterized in that,
Described fixed mechanism comprises: injection molded article to be cut can be adsorbed in the absorption fixation device on the loading end of described supporting part.
3. gate cutting machine according to claim 2, is characterized in that,
Described absorption fixation device comprises:
Be distributed in the multiple vacuum suction mouths on described supporting part;
And the vacuum device to be connected with described vacuum suction mouth.
4. gate cutting machine according to claim 1, is characterized in that,
Described first travel mechanism comprises:
The cylinder be connected with described cutter;
And be connected with described cylinder, for driving the first drive motors of described cylinder.
5. gate cutting machine according to claim 1, is characterized in that,
Described gate cutting machine also comprises:
Be arranged on described supporting part, for the location structure positioned injection molded article to be cut.
6. gate cutting machine according to claim 5, is characterized in that,
Described location structure comprises: be arranged at the locating hole on the loading end of described supporting part.
7. gate cutting machine according to claim 1, is characterized in that,
Described gate cutting machine also comprises: for driving at least one cutter to carry out straight reciprocating motion in the second direction parallel with the loading end of described supporting part, to change the second travel mechanism of the relative distance between at least two cutters.
8. gate cutting machine according to claim 1, is characterized in that,
Described gate cutting machine also comprises:
Be provided for described supporting part and can carry out straight reciprocating motion on the third direction of loading end being parallel to described supporting part, move into make described supporting part or shift out the 3rd travel mechanism in the region just right with described cutter.
9. gate cutting machine according to claim 8, is characterized in that,
Described 3rd travel mechanism comprises: the guide rail arranged along described third direction; Wherein said supporting part is arranged on described guide rail, and can move along described guide rail under external force.
10. gate cutting machine according to claim 8, is characterized in that,
Described gate cutting machine also comprises supporting part fixture, described supporting part fixture can when described supporting part moves into the region that described cutter is just right, described supporting part is fixed, and when described supporting part need shift out with the region that described cutter is just right, discharge described supporting part.
11. gate cutting machines according to claim 10, is characterized in that,
Described gate cutting machine also comprises the first support body and second support body vertical with described first support body, wherein said supporting part is arranged on described first support body, described cutter is arranged on described second support body, and described supporting part has near the first end of described second support body and the second end away from described second support body;
Described supporting part fixture comprises:
Be arranged at the first magnet of the first end of described supporting part;
And be arranged on described second support body, and corresponding with the position of described first magnet, second magnet that can coordinate with described first magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295531.8U CN204844735U (en) | 2015-05-08 | 2015-05-08 | Runner cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295531.8U CN204844735U (en) | 2015-05-08 | 2015-05-08 | Runner cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204844735U true CN204844735U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520295531.8U Expired - Fee Related CN204844735U (en) | 2015-05-08 | 2015-05-08 | Runner cutting device |
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| Country | Link |
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| CN (1) | CN204844735U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690682A (en) * | 2016-04-21 | 2016-06-22 | 苏州市东雄精密模具塑业有限公司 | Device for automatically cutting pouring gate |
| CN106898783A (en) * | 2015-12-18 | 2017-06-27 | 中国科学院大连化学物理研究所 | A kind of fuel cell membrane electrode die-cutting apparatus and application method |
| CN107718092A (en) * | 2017-10-30 | 2018-02-23 | 山东省药用玻璃股份有限公司 | The full-automatic of plug class product removes edge equipment |
| CN111085922A (en) * | 2019-12-30 | 2020-05-01 | 重庆宇海精密制造股份有限公司 | Novel product bearing device |
| CN114472681A (en) * | 2020-10-28 | 2022-05-13 | 日高精机株式会社 | Cutting device and manufacturing device for heat exchanger fin |
-
2015
- 2015-05-08 CN CN201520295531.8U patent/CN204844735U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898783A (en) * | 2015-12-18 | 2017-06-27 | 中国科学院大连化学物理研究所 | A kind of fuel cell membrane electrode die-cutting apparatus and application method |
| CN105690682A (en) * | 2016-04-21 | 2016-06-22 | 苏州市东雄精密模具塑业有限公司 | Device for automatically cutting pouring gate |
| CN107718092A (en) * | 2017-10-30 | 2018-02-23 | 山东省药用玻璃股份有限公司 | The full-automatic of plug class product removes edge equipment |
| CN111085922A (en) * | 2019-12-30 | 2020-05-01 | 重庆宇海精密制造股份有限公司 | Novel product bearing device |
| CN114472681A (en) * | 2020-10-28 | 2022-05-13 | 日高精机株式会社 | Cutting device and manufacturing device for heat exchanger fin |
| CN114472681B (en) * | 2020-10-28 | 2024-01-30 | 日高精机株式会社 | Cutting device and manufacturing device for heat exchanger fin |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |