CN102358022B - Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof - Google Patents
Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof Download PDFInfo
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- CN102358022B CN102358022B CN201110217745XA CN201110217745A CN102358022B CN 102358022 B CN102358022 B CN 102358022B CN 201110217745X A CN201110217745X A CN 201110217745XA CN 201110217745 A CN201110217745 A CN 201110217745A CN 102358022 B CN102358022 B CN 102358022B
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- screw rod
- material pipe
- end machine
- polymer material
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 239000002861 polymer material Substances 0.000 title abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 49
- 239000002994 raw material Substances 0.000 claims description 31
- 210000001161 mammalian embryo Anatomy 0.000 claims description 28
- 238000000465 moulding Methods 0.000 claims description 26
- 229920002521 macromolecule Polymers 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 13
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009342 intercropping Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Images
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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a polymer material pipe single-screw continuous extrusion forming cylinder forming method and a forming device thereof. The method sequentially comprises the following steps that: when a screw is static, the front end cylinder provided with grooves performs a rotary movement, and drives a polymer material to move forward along with the screw grooves, such that the polymer material is compacted gradually; when the polymer material reaches the line section of the screw ridge line, the movement direction of the polymer material is parallel to the direction of the screw, and then the polymer material reaches the forming smooth rod section of the screw, the polymer material is filled in the formed spaces between the cylinder and the screw to form a polymer material pipe billet; then the billet is heated and plasticized to obtain the polymer material pipe. According to the present invention, with the shaped mandrel and the shaped sleeve, the homogenizing processes of the temperature and the geometry size of the polymer material pipe are realized; the cooling sleeve is adopted to complete the cooling and shaping process; the forming accuracy and the forming stability of the polymer material pipe billet are improved.
Description
Technical field
The present invention relates to melt fluidity very poor, even there is no the macromolecular material pipe list screw rod continuous extrusion machine barrel method of forming and the former thereof of melt fluidity.
Background technology
At present, the forming method that the very poor macromolecular material pipe moulding of flow generally adopts has: plunger extrusion molding; Macromolecular material carries out the flow process modification, after increasing its moulding mobility, takes common single screw extrusion molding; The ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming.
Plunger extrusion molding can be regarded continuous sinter molding as, and the method forming process is discontinuous, and fusion time is long, and production efficiency is lower, and the unsuitable large finished product of moulding is subject to certain limitation in production application.
After the modification of the poor macromolecule raw material flow process of flow, adopt common single screw extrusion molding, although can moulding, shaping efficiency is low, take that to reduce properties of product be cost simultaneously.
Patent of invention ZL200710053227.2, patent name is " the ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming ", a kind of ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming is provided, realization to ultrahigh molecular weight polyethylene powder under the prerequisite of not modification, the purpose of continuous extrusion ultrahigh molecular weight polyethylene tubing, the intact various premium properties of having preserved superhigh molecular weight polyethylene material of this tubing goods, shaping speed reaches 15m/h, far above the forming method of plunger moulding and process modification increase moulding mobility.
The main technique feature of patent ZL200710053227.2 is to realize the technological process of " charging → compacting → UHMWPE tubing type embryo forming → plasticizing " in machine barrel, be different from the technological process of common extruder moulding macromolecular material pipe " charging → compacting → plasticizing → tube forming (machine barrel is outer) ", this first moulding tubing type embryo, then plasticizing process process, the moulding and the raw materials melt mobility that guarantee tubing do not have to concern, can moulding even the melt fluidity of raw material is very poor yet.But the forms of motion of the tubing type embryo of patent ZL200710053227.2 technology institute moulding is difficult to control, tubing type embryo rotates with screw rod on the one hand, and with screw channel intercropping linear relative movement, the absolute movement form of tubing type embryo is screw in addition.In forming process, with the reduction of the concentricity of screw rod, the geometric accuracy that causes formed space between screw rod polished rod and machine barrel to form UHMWPE tubing type embryo reduces, thereby affects the accurate typing of UHMWPE tubing and the stability of UHMWPE tube forming.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of macromolecular material pipe list screw rod continuous extrusion machine barrel method of forming for prior art, it has retained under the advantageous prerequisite of patent ZL200710053227.2 technology institute, has improved forming stability and product quality.
The present invention solves the problems of the technologies described above adopted technical scheme: macromolecular material pipe single screw extruder barrel former, it is characterized in that including the screw rod hold-down support, charging seat, the feeding ring, bearing, screw rod, the front end machine barrel, gear, bearing, front end machine barrel supporting base, rear end machine barrel and typing machine barrel, described screw rod is fixed on the screw rod hold-down support, the front end machine barrel passes through respectively bearing, bearing and charging seat and front end machine barrel supporting base are fixed on support, rear end machine barrel and typing machine barrel are fixed on support, the feeding ring is embedded in the place, feed(raw material)inlet of front end machine barrel, output shaft is connected by gear and gear and front end machine barrel, by transmission of power to the front end machine barrel.
Press such scheme, described screw-rod structure is divided into: screw rod includes charging compression section, spiral shell crest line straightway and screw rod moulding polished rod section, and wherein the structure in the charging compression section is: uniform pitch becomes the spiral groove depths such as spiral groove depth, variable-pitch and variable spiral groove depth or varying pitch; Described spiral shell crest line straightway: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction; Described screw rod moulding polished rod section: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
Press such scheme, be lining with and have groove in described front end machine barrel or front end machine barrel, described front end machine barrel rotates under the effect of extruder power, perhaps front end machine barrel and rear end machine barrel rotate as a whole under the effect of extruder power, drive the high score raw material with screw channel direction charging compacting.
The macromolecular material pipe single screw extruder barrel method of forming, it is characterized in that order is carried out according to the following steps: screw rod is static, opening fluted front end machine barrel rotates, driving macromolecule raw material moves ahead with screw channel and is compacted gradually, when macromolecule raw material arrives spiral shell crest line straightway, the direction of motion of macromolecule raw material is parallel to the direction of screw rod, the screw rod moulding polished rod section of arriving soon after, and macromolecule raw material is full of formed space between machine barrel and screw rod and forms macromolecular material pipe type embryo; Under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing, obtain macromolecular material pipe gradually; Then under the continuation effect of extrusion pressure, the macromolecular material pipe under elastomeric state is realized the homogenization process of temperature and physical dimension by typing plug and shaping cover; Complete the cooling and shaping process by coolant jacket again, finally, by under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe.
Basic principle of the present invention is: screw rod is static, the rotation of front end machine barrel, and the power of whole forming process comes from the rotation of front end machine barrel; Raw material from charging seat enters → natural mode → compression state → completely densified state → formation macromolecular material pipe type embryo, its movement locus is done absolute movement along the screw channel direction, final stage spiral shell rib is linearly, direction is parallel with the screw rod direction, be with screw rod direction moving linearly with regard to the absolute movement that guarantees formed macromolecular material pipe type embryo like this, improved quality and the forming stability of tubing type embryo; Along with the disappearance of spiral shell rib, screw rod becomes polished rod, and now the macromolecular material pipe raw material is full of between rear end machine barrel and polished rod, thereby forms tubing type embryo; Under frictional heat and the heat conducting acting in conjunction of barrel heater, when tubing type embryo arrives machine barrel front end place, tubing plastifies fully fully, complete the forming process of macromolecular material pipe in machine barrel, thereafter, in the typing machine barrel, by interior platen press or outer platen press, realize the accurate typing of macromolecular material pipe.
The present invention and patent ZL200710053227.2, denomination of invention " the ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming " is compared and is had the following advantages:
(1) guaranteed that macromolecular material pipe type embryo does absolute movement along the screw rod direction: as shown in Figure 2, due to the screw rod transfixion, rotatablely moving of front end machine barrel constantly is fed forward compacting by macromolecule raw material, raw material is fed forward along the screw channel direction, final stage spiral shell rib is linearly, direction is parallel with the screw rod direction, and the forms of motion that guarantees formed macromolecular material pipe type embryo is with screw rod direction moving linearly;
(2) improved the stability of macromolecular material pipe type idioplasm amount and forming process: patent ZL200710053227.2 technology in forming process due to the impact of screw rod eccentric rotary, cause the geometric accuracy of macromolecule tubing type embryo to be difficult to guarantee, the simultaneously motion of tubing type embryo in machine barrel by it, with screw rod, rotated and and screw channel between relative motion synthetic, the absolute movement form of tubing type embryo is screw, and this has affected the typing of tubing and the stability of forming process.Screw rod transfixion of the present invention, the direction of motion of tubing type embryo, for along the screw rod direction, to do absolute movement, has improved formed precision and the forming stability of macromolecular material pipe type embryo;
(3) patented technology of the present invention has broken through the moulding process of traditional single screw extrusion molding macromolecular material pipe on polymer tube material forming technique: first in machine barrel, form tubing type embryo then the technique of plasticizing.This process route guarantees that patented technology of the present invention, when the moulding macromolecular material pipe, does not need to consider the mobility of raw material, even also can moulding when mobility is very poor;
(4) macromolecular material pipe that institute of the present invention moulding obtains can keep the physical property of raw material: when carrying out polymer material molding tubing, forming temperature is lower than the raw material decomposition temperature, and the macromolecular material pipe of moulding is by the performance of intact reservation raw material.
The accompanying drawing explanation
Fig. 1 is former structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but can not be construed as limiting the invention.
embodiment 1former of the present invention mainly comprises: screw rod hold-down support 1, charging seat 2, feeding ring 3, bearing 4, screw rod 5, front end machine barrel 6, be fixed on the gear 7 on the front end machine barrel, bearing 8, front end machine barrel supporting base 9, rear end machine barrel 10 and typing machine barrel 11, described screw rod 5 is fixed on screw rod hold-down support 1, front end machine barrel 6 is respectively by bearing 4, bearing 8 is fixed on support with charging seat 2 and front end machine barrel bearing 9, rear end machine barrel 10 and typing machine barrel 11 are fixed on support, feeding ring 3 is embedded in the place, feed(raw material)inlet of front end machine barrel, the output shaft 12 of extruder is connected with front end machine barrel 6 by gear 13 and gear 7, by transmission of power to front end machine barrel 6.
Machine barrel of the present invention is comprised of front end machine barrel 6 and rear end machine barrel 10, and wherein front end machine barrel 6 rotates under the drive of gear 7, and rear end machine barrel 10 remains static.
Described screw rod 5 has following architectural feature: uniform pitch becomes the spiral groove depths such as spiral groove depth, variable-pitch and variable spiral groove depth or varying pitch; Described spiral shell crest line straightway: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction; Described screw rod moulding polished rod section: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
Have groove in front end machine barrel 6, improve the conveying capacity to macromolecule raw material.
Power set, transmission device, the temperature control system that the macromolecular material pipe list screw extrusion molding machine barrel method of forming needs all can adopt existing single screw extrusion machine identical device and technology.Draw-gear, metering device and cutter sweep adopt existing conventional equipment.
The macromolecular material pipe list screw extrusion molding machine barrel method of forming, order is carried out according to the following steps: screw rod is static, opening fluted front end machine barrel rotates, driving macromolecule raw material moves ahead with screw channel and is compacted gradually, when macromolecule raw material arrives spiral shell crest line straightway, the direction of motion of macromolecule raw material is parallel to the direction of screw rod, the screw rod moulding polished rod section of arriving soon after, and macromolecule raw material is full of formed space between machine barrel and screw rod and forms macromolecular material pipe type embryo; Under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing, obtain macromolecular material pipe gradually; Then under the continuation effect of extrusion pressure, the macromolecular material pipe under elastomeric state is realized the homogenization process of temperature and physical dimension by typing plug and shaping cover; Complete the cooling and shaping process by coolant jacket again, finally, by under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe.All be less than the decomposition temperature of macromolecular material in the temperature of the thermal treatment zone in the macromolecular material pipe forming process.
Table 1 is tubing research institute of China National Petroleum Corporation (CNPC), the pure UHMWPE tubing that the embodiment of the present invention 1 is produced carries out the critical performance parameters examining report, the physical property of pure UHMWPE that shown reservation that sample is intact at aspects such as density, vicat softening temperature and wearabilities.
The pure UHMWPE tubing that the table 1 pair machine barrel method of forming is produced carries out the critical performance parameters examining report
| 1 | sample carries out Density Detection according to the infusion process in GB/T1033.1-2008, and result is 0.931g/cm 3; |
| 2 | sample carries out the vicat softening temperature detection according to GB/T8802-2001, and result is 76.3 ℃; |
| 3 | sample carries out the detection of mortar wear rate according to QB/T2668-2004 appendix B, and test result is 0.14%. |
Claims (3)
1. macromolecular material pipe single screw extruder barrel former, is characterized in that including screw rod hold-down support (1), charging seat (2), feeding ring (3), clutch shaft bearing (4), screw rod (5), front end machine barrel (6), the first gear (7), the second bearing (8), front end machine barrel supporting base (9), rear end machine barrel (10) and typing machine barrel (11), it is upper that described screw rod (5) is fixed on screw rod hold-down support (1), and front end machine barrel (6) is respectively by clutch shaft bearing (4), the second bearing (8) is fixed on support with charging seat (2) and front end machine barrel supporting base (9), rear end machine barrel (10) and typing machine barrel (11) are fixed on support, feeding ring (3) is embedded in the place, feed(raw material)inlet of front end machine barrel, output shaft (12) is connected with front end machine barrel (6) by the second gear (13) and the first gear (7), transmission of power is upper to front end machine barrel (6), and described screw rod (5) structure is divided into: the charging compression section, spiral shell crest line straightway and screw rod moulding polished rod section, wherein the structure of charging compression section is: uniform pitch becomes spiral groove depth, the spiral groove depths such as variable-pitch and variable spiral groove depth or varying pitch, the structure of described spiral shell crest line straightway is: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction, the structure of described screw rod moulding polished rod section is: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
2. by macromolecular material pipe single screw extruder barrel former claimed in claim 1, it is characterized in that described front end machine barrel or front end machine barrel in be lining with and have groove, described front end machine barrel (6) rotates under the effect of extruder power, perhaps front end machine barrel (6) and rear end machine barrel rotate as a whole under the effect of extruder power, drive the high score raw material with screw channel direction charging compacting.
3. application rights requires the macromolecular material pipe single screw extruder barrel method of forming of 2 described macromolecular material pipe single screw extruder barrel formers, it is characterized in that order is carried out according to the following steps: screw rod is static, opening fluted front end machine barrel rotates, driving macromolecule raw material moves ahead with screw channel and is compacted gradually, when macromolecule raw material arrives spiral shell crest line straightway, the direction of motion of macromolecule raw material is parallel to the direction of screw rod, the screw rod moulding polished rod section of arriving soon after, macromolecule raw material is full of formed space between machine barrel and screw rod and forms macromolecular material pipe type embryo, under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing, obtain macromolecular material pipe gradually, then under the continuation effect of extrusion pressure, macromolecular material pipe is realized the homogenization process of temperature and physical dimension by typing plug and shaping cover, complete the cooling and shaping process by coolant jacket again, finally, by under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110217745XA CN102358022B (en) | 2011-08-01 | 2011-08-01 | Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110217745XA CN102358022B (en) | 2011-08-01 | 2011-08-01 | Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof |
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| CN102358022A CN102358022A (en) | 2012-02-22 |
| CN102358022B true CN102358022B (en) | 2013-11-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102975349B (en) * | 2012-09-28 | 2014-12-24 | 武汉工程大学 | Screw extrusion method for high polymer material pipe |
| CN102990899A (en) * | 2012-09-28 | 2013-03-27 | 武汉工程大学 | Forming method and equipment of macromolecular material profile by using single-screw extrusion cylinder |
| CN103171117B (en) * | 2013-04-18 | 2015-04-29 | 北京化工大学 | Extrusion device of single-screw continuous extruded activated carbon filtering element |
| CN111890626B (en) * | 2020-07-06 | 2022-03-22 | 安徽和光电气设备有限公司 | Power cable sheath injection molding device and implementation method thereof |
| CN113787689A (en) * | 2021-01-05 | 2021-12-14 | 浙江枫叶管业科技股份有限公司 | High-toughness PE pipe extrusion device and production process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117017A (en) * | 2007-09-14 | 2008-02-06 | 武汉工程大学 | Ultrahigh molecular weight polyethylene tube single screw extruder barrel forming method and the forming device thereof |
| CN101518943A (en) * | 2009-03-19 | 2009-09-02 | 广东轻工职业技术学院 | Method and equipment for extruding macromolecular material by differential plasticizing of double rotors |
| CN201333790Y (en) * | 2008-12-24 | 2009-10-28 | 王建 | Rotating screw barrel |
| CN101992538A (en) * | 2010-08-02 | 2011-03-30 | 成都宇洋高科技发展有限责任公司 | Bidirectional single-screw extruder |
-
2011
- 2011-08-01 CN CN201110217745XA patent/CN102358022B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117017A (en) * | 2007-09-14 | 2008-02-06 | 武汉工程大学 | Ultrahigh molecular weight polyethylene tube single screw extruder barrel forming method and the forming device thereof |
| CN201333790Y (en) * | 2008-12-24 | 2009-10-28 | 王建 | Rotating screw barrel |
| CN101518943A (en) * | 2009-03-19 | 2009-09-02 | 广东轻工职业技术学院 | Method and equipment for extruding macromolecular material by differential plasticizing of double rotors |
| CN101992538A (en) * | 2010-08-02 | 2011-03-30 | 成都宇洋高科技发展有限责任公司 | Bidirectional single-screw extruder |
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Address after: 430223 floor 1, building 4, phase I, Guannan Industrial Park, Wuhan East Lake New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN XIAOHONG ULTRA-HIGH MOLECULAR NEW MATERIAL CO.,LTD. Address before: 430073 Hubei Huake project base, No.1 lingjiashan South Road, Guanggu Avenue, East Lake Development Zone, Wuhan, Hubei Province Patentee before: WUHAN XIAOHONG ULTRA-HIGH MOLECULAR WEIGHT NEW MATERIALS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220802 Address after: 100101 building 21, Anyuan, Anhui Beili, Chaoyang District, Beijing Patentee after: SINOPEC ENGINEERING Inc. Patentee after: WUHAN XIAOHONG ULTRA-HIGH MOLECULAR NEW MATERIAL CO.,LTD. Address before: 430223 floor 1, building 4, phase I, Guannan Industrial Park, Wuhan East Lake New Technology Development Zone, Wuhan, Hubei Province Patentee before: WUHAN XIAOHONG ULTRA-HIGH MOLECULAR NEW MATERIAL CO.,LTD. |