CN104552882A - Filtering device for extruder - Google Patents

Filtering device for extruder Download PDF

Info

Publication number
CN104552882A
CN104552882A CN201510001611.2A CN201510001611A CN104552882A CN 104552882 A CN104552882 A CN 104552882A CN 201510001611 A CN201510001611 A CN 201510001611A CN 104552882 A CN104552882 A CN 104552882A
Authority
CN
China
Prior art keywords
filter
steel bar
groove
housing
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510001611.2A
Other languages
Chinese (zh)
Other versions
CN104552882B (en
Inventor
贺岳年
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHOUSHAN ANGE MACHINERY CO Ltd
Original Assignee
ZHOUSHAN ANGE MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHOUSHAN ANGE MACHINERY CO Ltd filed Critical ZHOUSHAN ANGE MACHINERY CO Ltd
Priority to CN201510001611.2A priority Critical patent/CN104552882B/en
Publication of CN104552882A publication Critical patent/CN104552882A/en
Application granted granted Critical
Publication of CN104552882B publication Critical patent/CN104552882B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/27Cleaning; Purging; Avoiding contamination
    • B29C48/2725Cleaning; Purging; Avoiding contamination of filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/69Filters or screens for the moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention provides a filtering device for an extruder and belongs to the technical field of extruders. The filtering device comprises a motor, a speed reducer, a cover plate, an inlet, a pull ring, a housing, a scraping sheet, a filter plate, a rotating shaft, a box, a reel, a crank handle, an opening, a cleaning device, a steel bar, a through hole, a groove, a manually-operated valve, an electric telescopic stick and a blade, wherein the motor is mounted on the speed reducer and connected with the speed reducer; the speed reducer is mounted on the back of the housing; the output shaft of the speed reducer is a hollow shaft; the pull ring is mounted on the housing; the groove is formed in the housing and is cylindrical; the filter plate is mounted in the groove; the back of the filter plate is in contact with the speed reducer; the rotating shaft is arranged on the filter plate; the other end of the rotating shaft is arranged on the back of the filter plate and connected with the output shaft of the speed reducer. The filtering device has the advantage that the filter plate can be cleaned without opening the cover plate.

Description

A kind of extruder filter
Technical field
The present invention relates to a kind of extruder filter, belong to extruder technology field.
Background technology
Extruder utilizes mould for plastics to make the main former of the plastic products of various shape thermoplastic or thermosetting material, material is first melted into the liquid filter that passes and enters in extruder in filter, thermoplastic or thermosetting plastics easily stick on filter, the filter of prior art is all the cover plate needing to open filter, manual cleaned filter plate again, use at every turn and all need cleaning, use inconvenience very, and lose time.In order to solve above-mentioned difficulties, need to develop a do not need to open cover plate just can the filter of cleaned filter plate.
Summary of the invention
The object of this invention is to provide a kind of extruder filter.
The problem to be solved in the present invention is the filter of prior art is all the cover plate needing to open filter, then the problem of manual cleaned filter plate.
For realizing object of the present invention, the technical solution used in the present invention is:
A kind of extruder filter, comprises motor, reductor, cover plate, import, draw ring, housing, scraping blade, filter, rotating shaft, box, spool, wind, opening, cleaner, steel bar, through hole, groove, hand-operated valve, electric expansion rod and blade, described motor is arranged on reductor, motor is connected with reductor, reductor is arranged on back side of shell, the output shaft of reductor is hollow shaft, housing installs draw ring, groove is offered in housing, groove is cylindrical, in groove, filter is installed, the filter back side contacts with reductor, filter is provided with rotating shaft, the rotating shaft other end is positioned at the filter back side and is connected with the output shaft of reductor, the rotating shaft other end stretches to groove through filter, rotating shaft is provided with electric expansion rod, scraping blade is installed on electric expansion rod top, scraping blade side againsts filter, through hole is offered in the groove lower right corner, the through hole other end penetrates the right flank of housing, housing right flank installs hand-operated valve, hand-operated valve is connected with through hole, housing left end hinged closures, cover plate offers import, on cover plate face, cover plate and housing can interfix by construction bolt.
Described inlet diameter is less than the diameter of groove.
Described through hole is oblate column construction.
Described cleaner comprises box, spool, wind, opening, steel bar and blade, spool to be arranged in box on two sides, steel bar one end is wound on spool, the steel bar other end stretches out from opening, blade is arranged on steel bar front end, opening is arranged on the box lower left corner, and wind is arranged on box, and wind is connected with spool.
Described steel bar is flexible sheet structure, and the width of steel bar is less than the diameter of through hole.
Described steel bar extend into after in groove can a-circle-by-a-circlely be wrapped in rotating shaft from through hole, until steel bar fills up groove, steel bar side againsts filter.
Described electric expansion rod is high temperature resistant, and has good sealing property.
Advantage of the present invention is: installed by extruder and be connected with reductor, plastics enter into groove from import, motor via reducer drives rotating shaft to rotate, rotating shaft rotarily drives scraping blade and rotates, the opposite side that the plastic solution be attached on filter is scraped filter by scraping blade enters into inside the hollow output shaft of reductor, and then is transported in extruder, hand-operated valve is used for controlling to open through hole, during the plastics needing cleaning to remain on filter, controller on extruder controls electric expansion rod and does contractile motion, scraping blade is moved forward, scraping blade is not contacted with filter, start hand-operated valve, make through hole communication groove and hull outside, by the wind of forward shake cleaner, wind rotates and drives spool to rotate, steel bar in box is stretched out gradually, the steel bar stretched out is inserted in groove from through hole, the wind of forward shake slowly, make that steel bar is a-circle-by-a-circle to be wrapped in rotating shaft, until steel bar fills up groove, steel bar side againsts filter, snap back shake wind again, steel bar in groove is retracted to rapidly in the box of cleaner, what the material be attached on filter was hung by steel bar side loosens, repeatedly repeat this steel bar and fill up groove exits groove process to steel bar, by opening motor, motor via reducer drives rotating shaft to rotate, rotating shaft rotarily drives scraping blade and rotates, scraping blade moves in through hole by being hung by steel bar the material loosened before, go out to flow to housing from through hole, achieving does not need to looser a bolt opens workman's manual cleanup filter after cover plate, just filter can be cleaned out.
Accompanying drawing explanation
Fig. 1 is a kind of extruder filter of the present invention overall structure figure;
Fig. 2 is a kind of extruder filter of the present invention housing right flank structural representation;
Fig. 3 is a kind of extruder filter of the present invention cleaner overall structure schematic diagram;
Fig. 4 is the operating diagram of a kind of extruder filter of the present invention steel bar in groove;
In figure: 1, motor 2, reductor 3, cover plate 4, import 5, draw ring 6, housing 7, scraping blade 8, filter 9, rotating shaft 10, box 11, spool 12, wind 13, opening 14, cleaner 15, steel bar 16, through hole 17, groove 18, hand-operated valve 19, electric expansion rod 20, blade.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
A kind of extruder filter, comprises motor 1, reductor 2, cover plate 3, import 4, draw ring 5, housing 6, scraping blade 7, filter 8, rotating shaft 9, box 10, spool 11, wind 12, opening 13, cleaner 14, steel bar 15, through hole 16, groove 17, hand-operated valve 18, electric expansion rod 19 and blade 20, described motor 1 is arranged on reductor 2, motor 1 is connected with reductor 2, reductor 2 is arranged on housing 6 back side, the output shaft of reductor 2 is hollow shaft, liquid plastic can enter in extruder from hollow shaft, housing 6 is installed draw ring 5, groove 17 is offered in housing 6, groove 17 is cylindrical, in groove 17, filter 8 is installed, filter 8 back side contacts with reductor 2, filter 8 is provided with rotating shaft 9, rotating shaft 9 other end is positioned at filter 8 back side and is connected with the output shaft of reductor 2, rotating shaft 9 other end stretches to groove 17 through filter 8, rotating shaft 9 is provided with electric expansion rod 19, electric expansion rod 19 is high temperature resistant and have good sealing property, scraping blade 7 is installed on electric expansion rod 19 top, controller on extruder controls electric expansion rod 19 and does contractile motion, scraping blade 7 is moved forward, scraping blade 7 is not contacted with filter 8, scraping blade 7 side againsts filter 8, extruder is installed and is connected with reductor 2, plastics enter into groove 17 from import 4, motor 1 drives rotating shaft 9 to rotate by reductor 2, rotating shaft 9 rotarily drives scraping blade 7 and rotates, the opposite side that the plastic solution be attached on filter 8 is scraped filter 8 by scraping blade 7 enters into inside the hollow output shaft of reductor 2, and then be transported in extruder, through hole 16 is offered in groove 17 lower right corner, through hole 16 other end penetrates the right flank of housing 6, through hole 16 is oblate column construction, housing 6 right flank installs hand-operated valve 18, hand-operated valve 18 is connected with through hole 16, hand-operated valve 18 is used for controlling to open through hole 16, during the plastics needing cleaning to remain on filter 8, start hand-operated valve 18, make outside through hole 16 communication groove 17 and housing 6, housing 6 left end hinged closures 3, cover plate 3 offers import 4, import 4 diameter is less than the diameter of groove 17, and cover plate 3 and housing 6 can interfix by the upper construction bolt of cover plate 3.
Described cleaner 14 comprises box 10, spool 11, wind 12, opening 13, steel bar 15 and blade 20, spool 11 is arranged on interior two sides of box 10, steel bar 15 one end is wound on spool 11, steel bar 15 other end stretches out from opening 13, blade 20 is arranged on steel bar 15 front end, opening 13 is arranged on box 10 lower left corner, wind 12 is arranged on box 10, wind 12 is connected with spool 11, steel bar 15 is flexible sheet structure, the width of steel bar 15 is less than the diameter of through hole 16, by the wind 12 of forward shake cleaner 14, wind 12 rotates and drives spool 11 to rotate, steel bar 15 in box 10 is stretched out gradually, the steel bar 15 stretched out is inserted in groove 17 from through hole 16, the wind 12 of forward shake slowly, make that steel bar 15 is a-circle-by-a-circle to be wrapped in rotating shaft 9, until steel bar 15 fills up groove 17, steel bar 15 side againsts filter 8, snap back shake wind 12 again, the steel bar 15 in groove 17 is made to be retracted to rapidly in the box 10 of cleaner 14, what the material be attached on filter 8 was hung by steel bar 15 side loosens, repeatedly repeat this steel bar 15 and fill up groove 17 exits groove 17 process to steel bar 15, by opening motor 1, motor 1 drives rotating shaft 9 to rotate by reductor 2, rotating shaft 9 rotarily drives scraping blade 7 and rotates, scraping blade 7 moves in through hole 16 by being hung loosening material by steel bar 15 before, go out to flow to housing 6 from through hole 16, achieving does not need to looser a bolt opens the rear workman's manual cleanup filter 8 of cover plate 3, just filter 8 can be cleaned out.
Using method of the present invention: extruder is installed and is connected with reductor 2, plastics enter into groove 17 from import 4, motor 1 drives rotating shaft 9 to rotate by reductor 2, rotating shaft 9 rotarily drives scraping blade 7 and rotates, the opposite side that the plastic solution be attached on filter 8 is scraped filter 8 by scraping blade 7 enters into inside the hollow output shaft of reductor 2, and then is transported in extruder, controller on extruder controls electric expansion rod 19 and does contractile motion, scraping blade 7 is moved forward, scraping blade 7 is not contacted with filter 8, hand-operated valve 18 is used for controlling to open through hole 16, during the plastics needing cleaning to remain on filter 8, start hand-operated valve 18, make outside through hole 16 communication groove 17 and housing 6, by the wind 12 of forward shake cleaner 14, steel bar 15 in box 10 is stretched out gradually, the steel bar 15 stretched out is inserted in groove 17 from through hole 16, the wind 12 of forward shake slowly, make that steel bar 15 is a-circle-by-a-circle to be wrapped in rotating shaft 9, until steel bar 15 fills up groove 17, steel bar 15 side againsts filter 8, snap back shake wind 12 again, the steel bar 15 in groove 17 is made to be retracted to rapidly in the box 10 of cleaner 14, what the material be attached on filter 8 was hung by steel bar 15 side loosens, repeatedly repeat this steel bar 15 and fill up groove 17 exits groove 17 process to steel bar 15, by opening motor 1, motor 1 drives rotating shaft 9 to rotate by reductor 2, rotating shaft 9 rotarily drives scraping blade 7 and rotates, scraping blade 7 moves in through hole 16 by being hung loosening material by steel bar 15 before, go out to flow to housing 6 from through hole 16, achieving does not need to looser a bolt opens the rear workman's manual cleanup filter 8 of cover plate 3, just filter 8 can be cleaned out.

Claims (7)

1. an extruder filter, comprises motor (1), reductor (2), cover plate (3), import (4), draw ring (5), housing (6), scraping blade (7), filter (8), rotating shaft (9), box (10), spool (11), wind (12), opening (13), cleaner (14), steel bar (15), through hole (16), groove (17), hand-operated valve (18), electric expansion rod (19) and blade (20), it is characterized in that: described motor (1) is arranged on reductor (2), motor (1) is connected with reductor (2), reductor (2) is arranged on housing (6) back side, the output shaft of reductor (2) is hollow shaft, housing (6) is installed draw ring (5), groove (17) is offered in housing (6), groove (17) is for cylindrical, in groove (17), filter (8) is installed, filter (8) back side contacts with reductor (2), filter (8) is provided with rotating shaft (9), rotating shaft (9) other end is positioned at filter (8) back side and is connected with the output shaft of reductor (2), rotating shaft (9) other end stretches to groove (17) through filter (8), rotating shaft (9) is provided with electric expansion rod (19), scraping blade (7) is installed on electric expansion rod (19) top, scraping blade (7) side againsts filter (8), through hole (16) is offered in groove (17) lower right corner, through hole (16) other end penetrates the right flank of housing (6), housing (6) right flank installs hand-operated valve (18), hand-operated valve (18) is connected with through hole (16), housing (6) left end hinged closures (3), cover plate (3) offers import (4), on cover plate (3) face, cover plate (3) and housing (6) can interfix by construction bolt.
2. a kind of extruder filter according to claim 1, is characterized in that: described import (4) diameter is less than the diameter of groove (17).
3. a kind of extruder filter according to claim 1 and 2, is characterized in that: described through hole (16) is oblate column construction.
4. a kind of extruder filter according to claim 1, it is characterized in that: described cleaner (14) comprises box (10), spool (11), wind (12), opening (13), steel bar (15) and blade (20), spool (11) is arranged on interior two sides of box (10), steel bar (15) one end is wound on spool (11), steel bar (15) other end stretches out from opening (13), blade (20) is arranged on steel bar (15) front end, opening (13) is arranged on box (10) lower left corner, wind (12) is arranged on box (10), wind (12) is connected with spool (11).
5. a kind of extruder filter according to claim 1, is characterized in that: described steel bar (15) is flexible sheet structure, and the width of steel bar (15) is less than the diameter of through hole (16).
6. a kind of extruder filter according to claim 4, it is characterized in that: described steel bar (15) extend into after in groove (17) can a-circle-by-a-circlely be wrapped in rotating shaft (9) from through hole (16), until steel bar (15) fills up groove (17), steel bar (15) side againsts filter (8).
7. a kind of extruder filter according to claim 1, is characterized in that: described electric expansion rod (19) is high temperature resistant, and has good sealing property.
CN201510001611.2A 2015-01-05 2015-01-05 Filtering device for extruder Active CN104552882B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510001611.2A CN104552882B (en) 2015-01-05 2015-01-05 Filtering device for extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510001611.2A CN104552882B (en) 2015-01-05 2015-01-05 Filtering device for extruder

Publications (2)

Publication Number Publication Date
CN104552882A true CN104552882A (en) 2015-04-29
CN104552882B CN104552882B (en) 2017-02-22

Family

ID=53070444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510001611.2A Active CN104552882B (en) 2015-01-05 2015-01-05 Filtering device for extruder

Country Status (1)

Country Link
CN (1) CN104552882B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106541556A (en) * 2016-12-14 2017-03-29 泗县鸿盛塑业有限公司 Filter device of extruding machine
CN107650354A (en) * 2017-11-03 2018-02-02 慈溪颖兴电子科技有限公司 A kind of extruding machine
CN109843543A (en) * 2016-10-13 2019-06-04 史太林格有限责任公司 Device and method for filtering plastic fusant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110496453B (en) * 2019-08-06 2021-07-13 铜陵四通环境科技有限公司 Doctor-bar is from leading drainage tail gas processing apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227643B (en) * 1965-06-23 1966-10-27 Abraham Shanok Cross-head of an extrusion device for wrapping thin flexible strips
EP1550544A1 (en) * 2003-12-29 2005-07-06 F.I.M.I.C. s.n.c. Device for continuous filtering of molten plastic
CN1692010A (en) * 2002-10-28 2005-11-02 奥地利埃瑞玛再生工程机械设备有限公司 Back flushable molten material filtering unit and distributor
KR200442215Y1 (en) * 2007-09-21 2008-10-20 박이연 Equipment cleaning waste plastic in sieve
CN203046220U (en) * 2013-01-19 2013-07-10 陈艳 Extrusion filtering machine
CN203637146U (en) * 2013-10-29 2014-06-11 周建秋 Automatic slag scraping filtering device
DE102013206949A1 (en) * 2013-01-09 2014-07-10 Royal Steel Plastic Technology Industrial Co., Ltd. Filter device for filtering of plastic materials, particularly molten plastic material, has control valve that is fixed in guide element in cleaning passage to open and close cleaning passage
CN104002306A (en) * 2014-05-13 2014-08-27 中国科学院深圳先进技术研究院 Telescopic mechanical arm
CN204019947U (en) * 2014-06-21 2014-12-17 兴化市正福塑业有限公司 A kind of can self-cleaning type plastic extruder
CN204488019U (en) * 2015-01-05 2015-07-22 舟山市安格机械有限公司 A kind of extruder filter

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227643B (en) * 1965-06-23 1966-10-27 Abraham Shanok Cross-head of an extrusion device for wrapping thin flexible strips
CN1692010A (en) * 2002-10-28 2005-11-02 奥地利埃瑞玛再生工程机械设备有限公司 Back flushable molten material filtering unit and distributor
EP1550544A1 (en) * 2003-12-29 2005-07-06 F.I.M.I.C. s.n.c. Device for continuous filtering of molten plastic
KR200442215Y1 (en) * 2007-09-21 2008-10-20 박이연 Equipment cleaning waste plastic in sieve
DE102013206949A1 (en) * 2013-01-09 2014-07-10 Royal Steel Plastic Technology Industrial Co., Ltd. Filter device for filtering of plastic materials, particularly molten plastic material, has control valve that is fixed in guide element in cleaning passage to open and close cleaning passage
CN203046220U (en) * 2013-01-19 2013-07-10 陈艳 Extrusion filtering machine
CN203637146U (en) * 2013-10-29 2014-06-11 周建秋 Automatic slag scraping filtering device
CN104002306A (en) * 2014-05-13 2014-08-27 中国科学院深圳先进技术研究院 Telescopic mechanical arm
CN204019947U (en) * 2014-06-21 2014-12-17 兴化市正福塑业有限公司 A kind of can self-cleaning type plastic extruder
CN204488019U (en) * 2015-01-05 2015-07-22 舟山市安格机械有限公司 A kind of extruder filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109843543A (en) * 2016-10-13 2019-06-04 史太林格有限责任公司 Device and method for filtering plastic fusant
CN109843543B (en) * 2016-10-13 2021-03-09 史太林格有限责任公司 Device and method for filtering plastic melts
CN106541556A (en) * 2016-12-14 2017-03-29 泗县鸿盛塑业有限公司 Filter device of extruding machine
CN107650354A (en) * 2017-11-03 2018-02-02 慈溪颖兴电子科技有限公司 A kind of extruding machine

Also Published As

Publication number Publication date
CN104552882B (en) 2017-02-22

Similar Documents

Publication Publication Date Title
CN104552882A (en) Filtering device for extruder
CN219050455U (en) Filter plate vibrating device of filter press
CN204488019U (en) A kind of extruder filter
CN215901945U (en) Residue processing apparatus is used in building engineering construction
CN210782726U (en) Plastic cream gun convenient to pressurize
CN112941760A (en) A high-efficient intelligent dyeing equipment for textile fabric dyeing
CN116749440A (en) Injection molding opening cleaning device for injection mold
CN209971469U (en) Regenerated plastic melt filter
CN112957782B (en) Continuous filter press and using method thereof
CN213860402U (en) Injection molding machine injection molding device
CN210121370U (en) Filter cotton wastewater filtering device
CN213050865U (en) Crushing apparatus is broken up to fodder
CN202845397U (en) Cleaning device of extruder machine cylinder
CN203863983U (en) Pushout type screw extruder
CN114032620A (en) Nanofiber material and preparation process thereof
CN220005318U (en) Bottle clamping type bottle washing machine with water circulation function
CN216423252U (en) Injection molding machine convenient for cleaning discharge port
CN219276586U (en) Plastic extruder convenient to clean
CN219789075U (en) Injection molding storage device for injection molding machine
CN203313985U (en) Automatic seafood cleaning machine
CN216026876U (en) Chemical equipment belt cleaning device
CN213797988U (en) Plastic mixing extrusion device
CN220384260U (en) Full-automatic cream whipper
CN218423624U (en) Toy pigment smearing device
CN220328114U (en) Polyvinyl alcohol stoste filter equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: An extruder filtration device

Granted publication date: 20170222

Pledgee: Yancang sub branch of Zhejiang Zhoushan Dinghai ocean Rural Commercial Bank Co.,Ltd.

Pledgor: ZHOUSHAN ANGE MACHINERY Co.,Ltd.

Registration number: Y2024330001624

PE01 Entry into force of the registration of the contract for pledge of patent right