CN203888164U - Extruder for processing high-radiation high-temperature-resistance polyparaphenylene material - Google Patents
Extruder for processing high-radiation high-temperature-resistance polyparaphenylene material Download PDFInfo
- Publication number
- CN203888164U CN203888164U CN201420204033.3U CN201420204033U CN203888164U CN 203888164 U CN203888164 U CN 203888164U CN 201420204033 U CN201420204033 U CN 201420204033U CN 203888164 U CN203888164 U CN 203888164U
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- China
- Prior art keywords
- feed hopper
- machine barrel
- extruder
- escape pipe
- high temperature
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses an extruder for processing a high-radiation high-temperature-resistance polyparaphenylene material. A first feeding hopper is arranged, and the top of the first feeding hopper is opened; when a material, which is in a second feeding hopper and is delivered into the first feeding hopper through a second screw rod, enters a heated cylinder, massive gas generated by suddenly temperature rise of the material can be quickly exhausted from the opening part of the first feeder, so that excessive bubbles can not be accumulated in the material in the cylinder, so that the compactness of the high-radiation high-temperature-resistance polyparaphenylene material processed by a molding die can be guaranteed, and the quality of the high-radiation high-temperature-resistance polyparaphenylene material can be improved. The extruder is simple in structure and convenient to operate.
Description
Technical field
It is high temperature resistant poly-to benzene manufacture of materials field that the utility model relates to high heat radiation, relates in particular to a kind of for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation.
Background technology
For high heat radiation high temperature resistant poly-to the extruder of benzene materials processing be a kind of by height dispel the heat high temperature resistant poly-be the high temperature resistant poly-shaped device to benzene material pieces of high heat radiation to benzene material converting, existing for high temperature resistant gathering of height heat radiation the extruder of benzene materials processing being comprised to machine barrel, power set and be arranged at the head of machine barrel one end, in head, there is mould, in machine barrel, be provided with the screw mandrel for pusher, one end of screw mandrel is connected with power set, the other end with extend to the mould in head, machine barrel is provided with feed hopper near the top of one end of power set, the lower end of feed hopper is connected with the outer wall of machine barrel, although described above for height heat radiation high temperature resistant poly-to the extruder of benzene materials processing can realize material can be transported smoothly in mould processed moulding for high heat radiation high temperature resistant poly-to benzene material pieces, but material ice-cold in hopper is in the time entering in the heated machine barrel of people, material can produce rapidly a large amount of bubbles because of unexpected heating and melting, these bubbles cannot be discharged in the machine barrel of sealing and feed hopper, therefore can only be present in material, these materials with bubble are processed into high heat radiation high temperature resistant gathering after benzene material pieces by mould, high high temperature resistant the gathering of dispelling the heat has a lot of pores to the inside of benzene material pieces, high high temperature resistant the gathering of dispelling the heat do not reach technological requirement to the density of benzene material pieces, and then reduce the quality of product.
Utility model content
The purpose of this utility model be to propose a kind of have material forming monitoring device for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it can ensure for high temperature resistant the gathering of height heat radiation of the high temperature resistant poly-extruder machine-shaping to benzene materials processing of height heat radiation, the uniformity of benzene material pieces density to be improved, and prevents the high temperature resistant poly-situation generation bad to the discharging of benzene material of high heat radiation.
For reaching this object, the utility model by the following technical solutions:
A kind of for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, comprise machine barrel, head, casing, be positioned at reduction box, first motor at described casing top and be fixed on second motor at described casing top, in described casing, transmission system is set, described the first motor is positioned at the side of described casing away from described machine barrel, the output of described the first motor is connected with the input of described transmission system, described the second motor is positioned at the side of described reduction box away from described head, and the output of described the second motor is connected with the input of described reduction box;
In described head, be arranged to mould, one end of described machine barrel is connected with described casing, the other end is connected with described head, in described machine barrel, be provided with the first screw mandrel being connected with described transmission system, for the material in described machine barrel is squeezed to described mould, on the outer wall of described machine barrel, be provided with heater;
Described machine barrel is provided with first feed hopper for adding materials to described machine barrel of taper near one end of casing the homonymy that is positioned at described the second motor, the second feed hopper of material is provided providing between described reduction box and described the first feed hopper, between described the first feed hopper and described the second feed hopper, be communicated with, described the first feed hopper is uncovered structure away from one end of described machine barrel, for discharge the gas producing in the time that the material in described the second feed hopper enters heated described machine barrel, described the second feed hopper and described reduction box are all fixed on the top of described casing by fixed head, the logical charge tube of described the first feed hopper and described the second feed hopper is communicated with, in described material pipe, be provided for the material in described the second feed hopper to be transported to the second screw mandrel in described the first feed hopper, one end of described the second screw mandrel is connected with the output of described reduction box through described the second feed hopper, the other end of described the second screw mandrel is successively through described the second feed hopper, described material pipe extends in described the first feed hopper.
By the first feed hopper of open top is set, in the time being sent to material in the first feed hopper and entering in heated machine barrel by the second screw mandrel in the second feed hopper, the material a large amount of gases that produce that heat up suddenly can be rapidly discharged from the uncovered portion of the first feed hopper, so that the material in machine barrel can not accumulate too much bubble, guarantee the high temperature resistant poly-compactness to benzene material pieces of height heat radiation that mould processes, improved the high temperature resistant poly-quality to benzene material pieces product of high heat radiation.
As the preferred technical scheme of one, described machine barrel is provided with for the 3rd feed hopper to described machine barrel filler near one end of described head, described the 3rd feed hopper and described the first feed hopper are homonymy setting, and the lower end of described the 3rd feed hopper is connected with described machine barrel.
Material in machine barrel is being transported to by the second screw mandrel in the process of head, along with material is the closer to mould, just there will be some position in the chute feeder of the second screw mandrel there is no material, so just, can cause the uniformity of the material that is sent to mould inconsistent, be provided for the 3rd feed hopper of feed supplement by one end near head on machine barrel, can be timely to there is no to supplement material in the chute feeder of material on the second screw mandrel, and then make the material that is sent to mould keep the uniformity consistent.
As the preferred technical scheme of one, also comprise that controller, material level take into account inlet valve, described level-sensing device and described inlet valve are all arranged at one end away from described machine barrel of described the second feed hopper, and described level-sensing device is all connected with controller with described inlet valve.
By inlet valve is set, material level is taken into account controller, in the time that the material in the second feed hopper is not enough, level-sensing device records after material level data, can send these data to controller, controller is received after signal, control inlet valve to feeding in raw material in the second feed hopper, in the time that the material in the second feed hopper reaches the highest numerical value of regulation, controller control inlet valve stops feed supplement.
As the preferred technical scheme of one, on described the 3rd feed hopper, be provided with the vomit pipe of inclination, described vomit pipe has first end and the second end, the height of described first end is higher than the height of described the second end, described first end is connected with described the 3rd feed hopper, is provided with the discharging device of selective blowing on described vomit pipe.
When of the present utility model for height heat radiation high temperature resistant poly-to the extruder of benzene materials processing without carry out again height heat radiation high temperature resistant poly-to benzene materials processing and the 3rd feed hopper in addition when material, these materials can be discharged in the 3rd feed hopper by vomit pipe, for other part.
Preferably, described discharging device is baiting valve.
As the preferred technical scheme of one, described discharging device is tapped lid, and described second end of described vomit pipe is connected by the mode of threaded engagement with described lid.
As the preferred technical scheme of one, on the inwall of described the 3rd feed hopper near one end of described machine barrel, be provided for responding to the material inductor that has or not material in described the 3rd feed hopper, on the outer wall of described the 3rd feed hopper, be provided with warning device, described material inductor is all connected with controller with described warning device.
As the preferred technical scheme of one, on the sidewall on described machine barrel top, be provided with exhaust pipe structure, for the gas away from the material of described the first feed hopper in described machine barrel is discharged.
In machine barrel away from the material of the first feed hopper more or less or some Bubble formation, these bubbles also can affect the high temperature resistant poly-quality to benzene material pieces of height heat radiation of extruder machine-shaping, by the setting of exhaust pipe structure, can timely and as much as possible these bubbles be discharged, so that high temperature resistant gathering of the height of extruder machine-shaping heat radiation is further enhanced to benzene material pieces quality.
As the preferred technical scheme of one, described exhaust pipe structure comprise the first escape pipe and with the second escape pipe, described the second escape pipe is connected with described machine barrel is vertical, described the second escape pipe and described the first feed hopper are homonymy and are arranged on described machine barrel, described the first escape pipe is obliquely installed one end away from described machine barrel in described the second escape pipe, described the first escape pipe comprises the first escape pipe first end and first escape pipe the second end, the height of described first escape pipe the second end is higher than the height of described the first escape pipe first end, described the first escape pipe first end is connected with the second escape pipe.
Contrast prior art, the beneficial effects of the utility model are: by the first feed hopper of open top is set, in the time that material enters into the first feed hopper by the second feed hopper, the material a large amount of gases that produce that heat up suddenly can be rapidly discharged from the uncovered structure of the first feed hopper, so that the material in machine barrel can not accumulate too much bubble, guarantee the high temperature resistant poly-compactness to benzene material pieces of height heat radiation that mould processes, improved the high temperature resistant poly-quality to benzene material pieces product of high heat radiation.The utility model is simple in structure, convenient operation.
Brief description of the drawings
Fig. 1 is the structural representation for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation described in embodiment.
Fig. 2 is that A in Fig. 1 is to enlarged drawing.
In figure:
1, machine barrel; 11, heater; 12, the first screw mandrel; 13, exhaust pipe structure; 131, the first escape pipe, 132, the second escape pipe; 2, head; 21, mould; 3, the first feed hopper; 4, the second feed hopper; 41, level-sensing device; 42, inlet valve; 43, the second screw mandrel; 5, material pipe; 6, the 3rd feed hopper; 61, vomit pipe; 62, lid; 7, reduction box; 8, the second motor; 9, casing; 91, fixed head; 10, the first motor.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
As depicted in figs. 1 and 2, described in the utility model for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation in the present embodiment, comprise machine barrel 1, head 2, casing 9, be positioned at reduction box 7, first motor 10 at casing 9 tops and be fixed on second motor 8 at casing 9 tops, the interior transmission system that arranges of casing 9, the first motor 10 is positioned at the side of casing 9 away from machine barrel 1, first output of motor 10 and the input of transmission system are connected, the second motor 8 is positioned at the side of reduction box 7 away from head 2, and the output of the second motor 8 is connected with the input of reduction box 7.
In head 2, be arranged to mould 21, one end of machine barrel 1 is connected with casing 9, the other end is connected with head 2, in machine barrel 1, be provided with the first screw mandrel 12 being connected with transmission system, for the material in machine barrel 1 is squeezed to mould 21, on the outer wall of machine barrel 1, be provided with the heater 11 for adding thermal material.
Machine barrel 1 is provided with first feed hopper 3 for adding materials to machine barrel 1 of taper near one end of casing 9 homonymy that is positioned at the second motor 8, between the first feed hopper 3 and reduction box 7, be provided with the second feed hopper 4 that material is provided to the first feed hopper 3, between the first feed hopper 3 and the second feed hopper 4, be communicated with, the first feed hopper 3 is uncovered structure away from one end of machine barrel 1, for discharge a large amount of bubbles that produce rapidly in the time that the material in the second feed hopper 4 enters heated machine barrel 1, the second feed hopper 4 and reduction box 7 are all fixed on the top of casing 9 by fixed head 91, the first feed hopper 3 and the logical charge tube 5 of the second feed hopper 4 are communicated with, in material pipe 5, be provided for the material in the second feed hopper 4 to be transported to the second screw mandrel 43 in the first feed hopper 3, one end of the second screw mandrel 43 is connected with the output of reduction box 7 through the second feed hopper 4, the other end of the second screw mandrel 43 is successively through the second feed hopper 4, material pipe 5 extends in the first feed hopper 3.
By the first feed hopper 3 of open top is set, in the time that material enters into the first feed hopper 3 by the second feed hopper 4, material heat up suddenly produce a large amount of gases can run out of from the uncovered structure of the first feed hopper 3 rapidly, so that the material in machine barrel 1 can not accumulate too much bubble, the high temperature resistant poly-compactness to benzene material pieces of height heat radiation of having guaranteed extruder machine-shaping, has improved the high temperature resistant poly-quality to benzene material pieces product of high heat radiation.
Machine barrel 1 is provided with the top for be positioned at machine barrel 1 to the 3rd feed hopper 6, the three feed hoppers 6 of machine barrel 1 filler near one end of head 2, and the lower end of the 3rd feed hopper 6 is connected with machine barrel 1.
Material in machine barrel 1 is being transported to by screw mandrel in the process of head 2, along with material is the closer to mould 21, just there will be some position in the chute feeder of the first screw mandrel 12 there is no material, so just, can cause the uniformity of the material that is sent to mould 21 inconsistent, be provided for the 3rd feed hopper 6 of feed supplement by one end near head 2 on machine barrel 1, can be timely to there is no to supplement material in the chute feeder of material on the first screw mandrel 12, and then make the material that is sent to mould 21 keep the uniformity consistent.
Of the present utility model for high temperature resistant gathering of height heat radiation the extruder of benzene materials processing also being comprised to controller, level-sensing device 41 and inlet valve 42, level-sensing device 41 and inlet valve 42 are all arranged at the second feed hopper 4 one end away from machine barrel 1, and level-sensing device 41 is all connected with controller with inlet valve 42.
By inlet valve 42, level-sensing device 41 and controller are set, in the time that the material in the second feed hopper 4 is not enough, level-sensing device 41 records after material level data, can send these data to controller, controller is received after signal, control inlet valve 42 to feeding in raw material in the second feed hopper 4, in the time that the material in the second feed hopper 4 reaches the highest numerical value of regulation, controller control inlet valve 42 stops feed supplement.
On the 3rd feed hopper 6, be provided with the vomit pipe 61 of inclination, vomit pipe 61 has first end and the second end, and the height of first end is higher than the height of the second end, and first end is connected with the 3rd feed hopper 6, is provided with the discharging device of selective blowing on vomit pipe 61.
When of the present utility model for height heat radiation high temperature resistant poly-to the extruder of benzene materials processing without carry out again height heat radiation high temperature resistant poly-to benzene materials processing and the 3rd feed hopper 6 in addition when material, these materials can be passed through to vomit pipe 61 from the interior discharge of the 3rd feed hopper 6, for other part.
Discharging device is tapped lid 62, and the second end of vomit pipe 5 is connected by the mode of threaded engagement with lid 62.Certainly, in other embodiments, discharging device also can be baiting valve.
On the inwall of the 3rd feed hopper 6 near one end of machine barrel 1, be provided for responding to the material inductor that has or not material in the 3rd feed hopper 6, on the outer wall of the 3rd feed hopper 6, be provided with warning device, material inductor is all connected with controller with warning device.
On the sidewall on machine barrel 1 top, be provided with exhaust pipe structure 13, for the gas of interior machine barrel 1 material away from the first feed hopper 3 is discharged.
In machine barrel 1 away from the material of the first feed hopper 3 more or less or some Bubble formation, these bubbles also can affect the high temperature resistant poly-quality to benzene material pieces of height heat radiation of extruder machine-shaping, by the setting of exhaust pipe structure 13, can timely and as much as possible these bubbles be discharged, so that high temperature resistant gathering of the height of extruder machine-shaping heat radiation is further enhanced to benzene material pieces quality.
As shown in Figure 2, exhaust pipe structure 13 comprise the first escape pipe 131 and with the second escape pipe 132, the second escape pipe 132 be positioned at machine barrel 1 directly over and be connected with machine barrel 1 is vertical, the first escape pipe 131 is obliquely installed in the top of the second escape pipe 132, the first escape pipe 131 comprises the first escape pipe first end and first escape pipe the second end, the height of first escape pipe the second end is higher than the height of the first escape pipe first end, and the first escape pipe first end is connected with the second escape pipe 132.
By the first escape pipe 131 and the second escape pipe 132 that exhaust pipe structure 13 is set to be connected, increase the area of giving vent to anger, adjust outgassing direction, realize the best effect of giving vent to anger.
Operation principle:
First toward the interior material that added of the second feed hopper 4, start subsequently the power supply of the first motor 10 and the second motor 8, the first motor 10 is passed to the first screw mandrel 12 by transmission system by power, the first screw mandrel 12 rotates and transports the material in the second feed hopper 4 to first feed hopper 3, and the second motor 8 passes to the second screw mandrel 43 by reduction box 7 by power, the second screw mandrel 43 rotates and the material that the first feed hopper 3 is sent to machine barrel 1 is squeezed in the mould 21 of head 2, carrying out high temperature resistant gathering of height heat radiation processes benzene forming materials, when in some chute feeder near the screw mandrel of head 2 during without material, the 3rd feed hopper 6 can be rapidly toward on screw mandrel without adding materials in the chute feeder of expecting, in the course of work for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, in the time that the material in the second feed hopper 4 is not enough, level-sensing device 41 records after material level data, can send these data to controller, controller is received after signal, control inlet valve 42 to feeding in raw material in the second feed hopper 4, in the time that the material in the second feed hopper 4 reaches the highest numerical value of regulation, controller control inlet valve 42 stops feed supplement.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (9)
1. one kind for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, comprise machine barrel, head, casing, be positioned at the reduction box at described casing top, the first motor and be fixed on second motor at described casing top, in described casing, transmission system is set, described the first motor is positioned at the side of described casing away from described machine barrel, the output of described the first motor is connected with the input of described transmission system, described the second motor is positioned at the side of described reduction box away from described head, the output of described the second motor is connected with the input of described reduction box,
In described head, be arranged to mould, one end of described machine barrel is connected with described casing, the other end is connected with described head, in described machine barrel, be provided with the first screw mandrel being connected with described transmission system, for the material in described machine barrel is squeezed to described mould, on the outer wall of described machine barrel, be provided with heater;
Described machine barrel is provided with first feed hopper for adding materials to described machine barrel of taper near one end of casing the homonymy that is positioned at described the second motor, the second feed hopper of material is provided providing between described reduction box and described the first feed hopper, between described the first feed hopper and described the second feed hopper, be communicated with, described the first feed hopper is uncovered structure away from one end of described machine barrel, for discharge the gas producing in the time that the material in described the second feed hopper enters heated described machine barrel, described the second feed hopper and described reduction box are all fixed on the top of described casing by fixed head, the logical charge tube of described the first feed hopper and described the second feed hopper is communicated with, in described material pipe, be provided for the material in described the second feed hopper to be transported to the second screw mandrel in described the first feed hopper, one end of described the second screw mandrel is connected with the output of described reduction box through described the second feed hopper, the other end of described the second screw mandrel is successively through described the second feed hopper, described material pipe extends in described the first feed hopper.
2. according to claim 1 for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, described machine barrel is provided with for the 3rd feed hopper to described machine barrel filler near one end of described head, described the 3rd feed hopper and described the first feed hopper are homonymy setting, and the lower end of described the 3rd feed hopper is connected with described machine barrel.
3. according to claim 1 for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, also comprise that controller, material level take into account inlet valve, described level-sensing device and described inlet valve are all arranged at one end away from described machine barrel of described the second feed hopper, and described level-sensing device is all connected with controller with described inlet valve.
4. according to claim 2 for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, on described the 3rd feed hopper, be provided with the vomit pipe of inclination, described vomit pipe has first end and the second end, the height of described first end is higher than the height of described the second end, described first end is connected with described the 3rd feed hopper, is provided with the discharging device of selective blowing on described vomit pipe.
5. according to claim 4ly it is characterized in that for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, described discharging device is baiting valve.
6. according to claim 4ly it is characterized in that for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, described discharging device is tapped lid, and described second end of described vomit pipe is connected by the mode of threaded engagement with described lid.
7. according to claim 2 for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, on the inwall of described the 3rd feed hopper near one end of described machine barrel, be provided for responding to the material inductor that has or not material in described the 3rd feed hopper, on the outer wall of described the 3rd feed hopper, be provided with warning device, described material inductor is all connected with controller with described warning device.
According to described in claim 1 to 7 any one for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, on the sidewall on described machine barrel top, be provided with exhaust pipe structure, for the gas away from the material of described the first feed hopper in described machine barrel is discharged.
9. according to claim 8 for the high temperature resistant poly-extruder to benzene materials processing of height heat radiation, it is characterized in that, described exhaust pipe structure comprise the first escape pipe and with the second escape pipe, described the second escape pipe is connected with described machine barrel is vertical, described the second escape pipe and described the first feed hopper are homonymy and are arranged on described machine barrel, described the first escape pipe is obliquely installed one end away from described machine barrel in described the second escape pipe, described the first escape pipe comprises the first escape pipe first end and first escape pipe the second end, the height of described first escape pipe the second end is higher than the height of described the first escape pipe first end, described the first escape pipe first end is connected with the second escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204033.3U CN203888164U (en) | 2014-04-24 | 2014-04-24 | Extruder for processing high-radiation high-temperature-resistance polyparaphenylene material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204033.3U CN203888164U (en) | 2014-04-24 | 2014-04-24 | Extruder for processing high-radiation high-temperature-resistance polyparaphenylene material |
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| Publication Number | Publication Date |
|---|---|
| CN203888164U true CN203888164U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420204033.3U Expired - Fee Related CN203888164U (en) | 2014-04-24 | 2014-04-24 | Extruder for processing high-radiation high-temperature-resistance polyparaphenylene material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844870A (en) * | 2020-07-28 | 2020-10-30 | 昆山久硕电子有限公司 | Active carbon filter core extrusion device |
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2014
- 2014-04-24 CN CN201420204033.3U patent/CN203888164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844870A (en) * | 2020-07-28 | 2020-10-30 | 昆山久硕电子有限公司 | Active carbon filter core extrusion device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20200424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |