CN106628457A - Packaging bag separation device - Google Patents

Packaging bag separation device Download PDF

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Publication number
CN106628457A
CN106628457A CN201611232558.8A CN201611232558A CN106628457A CN 106628457 A CN106628457 A CN 106628457A CN 201611232558 A CN201611232558 A CN 201611232558A CN 106628457 A CN106628457 A CN 106628457A
Authority
CN
China
Prior art keywords
cutter
voussoir
packaging bag
drive mechanism
raw material
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
CN201611232558.8A
Other languages
Chinese (zh)
Other versions
CN106628457B (en
Inventor
秦倩
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.)
Xuzhou Tengfeng Edible Fungus Technology Co ltd
Original Assignee
Chongqing Yifeng Biological Fertilizer 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 Chongqing Yifeng Biological Fertilizer Co Ltd filed Critical Chongqing Yifeng Biological Fertilizer Co Ltd
Priority to CN201611232558.8A priority Critical patent/CN106628457B/en
Publication of CN106628457A publication Critical patent/CN106628457A/en
Application granted granted Critical
Publication of CN106628457B publication Critical patent/CN106628457B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033Unpacking of articles or materials, not otherwise provided for by cutting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a packaging bag separation device which comprises a machine frame. A driving wheel and a driven wheel are rotationally arranged on the machine frame. A conveyor belt is arranged between the driving wheel and the driven wheel in a tensioned mode. A first reciprocating driving mechanism and a second reciprocating driving mechanism are arranged at the portion, above the conveyor belt, of the machine frame. A piston rod is arranged on the first reciprocating driving mechanism. A first wedge block is connected to the piston rod. A shaft rod is rotationally connected to the piston rod. A spiral sliding groove is formed in the shaft rod. An induction coil is wound around the shaft rod. A magnetic field mechanism is arranged outside the induction coil. The wedge face of the first wedge block abuts against a second wedge block. One end of the second wedge block is elastically connected to the machine frame. The other end of the second wedge block abuts against the sliding groove. A first cutter is arranged on the shaft rod. A heating piece is arranged inside the first cutter. The heating piece is electrically communicated with the induction coil. A second cutter is arranged on the second reciprocating driving mechanism. An adsorption hole is formed in the second cutter and communicated with a suction mechanism. Compared with the prior art, the separation efficiency of a raw material bag and raw materials is improved.

Description

Packaging bag separator
Technical field
The present invention relates to separator, more particularly to a kind of packaging bag separator.
Background technology
Microbial organic fertilizer, makes full use of human and animal excreta, agricultural wastes etc. to add biological bacterium fermentation to form, and adopts Secondary fermentation-effective efficiency bacterium(Nitrogen, phosphorus, potassium)Carry out with prevention soil property virus and bacteria, biological bacterium and uniform temperature Human and animal excreta, agricultural wastes stirring after, more preferably, this bio-organic fertilizer is the basis fertilizer for planting pollution-free food to ferment effect Material, is adapted to all kinds of plants, is that one kind fats up material entirely, the meaning with era development.
Now using being collected human and animal excreta, agricultural wastes etc. using Nylon Bag, transport processing factory back and be processed system Into microbial organic fertilizer, therefore, need to scratch Nylon Bag before processing, human and animal excreta, agricultural wastes etc. are transferred to In fermentation vat, it is processed, is currently that Nylon Bag is scratched an openning by staff with knife, then by human and animal excreta, agricultural Discarded object etc. is poured in fermentation vat, and staff's longevity of service is easily tired, causes inefficiency, and human and animal excreta, The smells such as agricultural wastes are big, containing substantial amounts of bacterium, have a strong impact on the healthy of staff.
The content of the invention
The invention is intended to it is high to provide a kind of separative efficiency, it is to avoid separate dress with the packaging bag of a large amount of bacteria over time contact Put.
Packaging bag separator in this programme, including frame, rotate in the frame and are provided with driving wheel and driven pulley, main Tensioning between driving wheel and driven pulley has conveyer belt, and the driving wheel is driven by intermittent drive mechanism, and the transmission belt surface is in ripple Wave-like, the frame above conveyer belt is provided with the first reciprocating drive mechanism and the second reciprocating drive mechanism, the described first reciprocal drive Motivation structure is provided with piston rod, and the first voussoir is connected with piston rod, and axostylus axostyle is rotatably connected with piston rod, and axostylus axostyle is provided with spiral slide Groove, is wound with induction coil on axostylus axostyle, induction coil is externally provided with field mechanisms, and the wedge surface of the first voussoir mutually has the second voussoir, In frame, the other end of the second voussoir is mutually butted in chute second voussoir one end elastic connection, and axostylus axostyle is provided with the first cutting Knife, is provided with heating plate in the first cutter, heating plate is electrically connected with induction coil, and the second reciprocating drive mechanism is provided with second and cuts Cutter, the second cutter are provided with adsorption hole, and adsorption hole is communicated with aspirating mechanism.
The know-why of this programme is:Rotate in frame and be provided with driving wheel and driven pulley, open between driving wheel and driven pulley Tightly there is conveyer belt, frame plays a part of support to whole device, and driving wheel drives driven pulley to rotate by conveyer belt;Conveyer belt Surface is in wavy, and raw material bag is cylindrical, and raw material bag is lain in the trough of conveyer belt, it is to avoid process of the raw material bag in transmission Rock, while prevent raw material bag to be packed together, be not easy to orderly carry out raw material to raw material bag and separate with Nylon Bag;Actively Wheel is driven by intermittent drive mechanism, is in order to when driving wheel is rotated, raw material bag is forwarded on a moving belt, driving wheel When stopping operating, raw material is carried out to raw material bag and is separated with Nylon Bag, while separated raw material is being used to raw material bag Property effect under, raw material also has proal trend, and raw material collides with conveyer belt, and raw material scatters on a moving belt;First Reciprocating drive mechanism is provided with piston rod, and axostylus axostyle is rotatably connected with piston rod, and axostylus axostyle is provided with the first cutter, the first reciprocal drive Motivation structure drives piston rod elongation, piston rod to drive axostylus axostyle to move to the direction of the raw material bag on conveyer belt, what axostylus axostyle was provided with First cutter cut to the raw material bag one end for being placed on conveyer belt, and the first reciprocating drive mechanism drives piston rod to continue Elongation, the other end of first cutter from one end of raw material bag through raw material bag;While the first voussoir is connected with piston rod, first The wedge surface of voussoir mutually has the second voussoir, and in frame, the first reciprocating drive mechanism drives lives second voussoir one end elastic connection The first voussoir connected on piston rod while stopper rod drives piston rod to extend is moved to the second voussoir direction, and the second voussoir is subject to The power that offsets of the first voussoir, the elastic potential energy between the second voussoir and frame strengthens, and the second voussoir to the direction away from axostylus axostyle is transported It is dynamic, the second voussoir and axostylus axostyle not in contact with;First cutter while cutting to raw material bag, the second reciprocating drive mechanism band Dynamic second cutter motion, the second cutter on the upside of raw material bag to cutting;After raw material bag cutting is completed, start suction Mechanism, aspirating mechanism forms negative pressure, and the second cutter are provided with adsorption hole, and adsorption hole is communicated with aspirating mechanism, the second cutter On negative pressure hole at form negative pressure, negative pressure adsorbs to the raw material bag cut open;After cutting bag cutting is completed, second is reciprocal Drive mechanism changes the direction of motion, drives the second cutter back to move, and takes the raw material bag that adsorption hole adsorbs to transmission band edge Edge, staff removes and is cut the raw material bag opened;First reciprocating drive mechanism drives piston rod to shrink, the first voussoir and second Voussoir disengaging offsets, and the second voussoir to axostylus axostyle direction is moved;Axostylus axostyle is provided with spiral chute, and the second voussoir offsets with chute, axle Bar is moved under piston rod drive to close first reciprocating drive mechanism direction, and piston rod is rotatedly connected with axostylus axostyle, makes axle Bar rotates when near the first reciprocating drive mechanism;Induction coil is wound with axostylus axostyle, induction coil is externally provided with magnetic Field mechanism so that induction coil is rotated in field mechanisms, does cutting magnetic induction line motion, and induced-current is produced on induction coil; Heating plate is provided with first cutter, heating plate is electrically connected with induction coil, induced-current makes heating plate generate heat, and heating plate passes through Heat transfer makes the first cutter produce heat;Axostylus axostyle is rotated, and drives the first cutter to rotate, and the first cutter of rotation are to raw material Broken up, while heat is passed to raw material by the first cutter by heat transfer, raw material is preheated.
This programme has the beneficial effect that:1st, raw material bag is cut by the first cutter and the second cutter, so Raw material bag of the negative pressure being passed through by negative pressure hole on the second cutter afterwards to cutting open is adsorbed, and raw material bag is carried out with raw material Separate, improve the separative efficiency of raw material bag, while avoiding staff's long-time and raw material bag when artificial cutting is separated Upper substantial amounts of bacterium contact, makes the healthy of staff be protected;2nd, cutting magnetic induction line motion is done by induction coil, Induced-current is produced, makes the first cutter with heat, the first cutter are preheated to raw material, while the first cutting swivel It is dynamic, raw material is broken up, can stir when being easy to subsequently stir with biological bacterium, while improving the work of biological bacterium Property, strengthen the effect of fermentation.
Further, the side of the conveyer belt is provided with block, and block and the first reciprocating drive mechanism are located at respectively conveyer belt Both sides.When first reciprocating drive mechanism drives the first cutter to cut raw material bag, block can be by raw material bag Block, it is to avoid when the first cutter cut to raw material bag, thrust is produced to raw material bag, raw material bag is released into conveyer belt.
Further, the blade of second cutter is serrated, and adsorption hole is located at the recess of blade.Jagged knife Knife edge profit, effectively can cut raw material bag, while adsorption hole is when raw material bag is adsorbed, zigzag increases absorption Area, improves the effect of absorption.
Further, first reciprocating drive mechanism and the second reciprocating drive mechanism are reciprocating air cylinder.Reciprocating air cylinder drives Dynamic first cutter or the second cutter are moved back and forth.
Further, the field mechanisms include the contrary magnet of two magnetic poles.The contrary magnet of two magnetic poles, in two magnetic Induced field is formed between iron, the environment for making cutting magnetic induction line motion is provided for induction coil.
Further, connected by stage clip between second voussoir and frame.Depart from phase with the first voussoir in the second voussoir To when, stage clip promote the second voussoir offset with the chute on axostylus axostyle.
Further, the aspirating mechanism is air exhauster.Air exhauster provides absorption affinity for adsorption hole.
Further, the intermittent drive mechanism is stepper motor.Stepper motor drives drive roll to make the rotation of interval.
Description of the drawings
Fig. 1 is the structural representation of packaging bag separator embodiment of the present invention;
Fig. 2 is the schematic diagram of the second cutter.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Frame 1, conveyer belt 2, the first telescopic cylinder 3, the second telescopic cylinder 4, piston Bar 5, axostylus axostyle 6, chute 7, induction coil 8, the first voussoir 9, the second voussoir 10, stage clip 11, N poles magnet 12, S poles magnet 13, One cutter 14, the second cutter 15, adsorption hole 16, air exhauster 17, block 18.
Embodiment is referred to shown in Fig. 1 and Fig. 2 substantially:Packaging bag separator, including frame 1, are provided with actively in frame 1 Wheel and driven pulley, driving wheel is driven by stepper motor, and it is in wavy conveyer belt that tensioning has surface between driving wheel and driven pulley 2, there is the first telescopic cylinder 3 in frame 1 in the left side of conveyer belt 2, welds on the piston rod 5 of the right-hand member of the first telescopic cylinder 3 The first voussoir 9 is connected to, the right part of piston rod 5 is rotatably connected to axostylus axostyle 6, digging on the surface of axostylus axostyle 6 has spiral chute 7, on axostylus axostyle 6 Induction coil 8 is wound with, the right-hand member of axostylus axostyle 6 is connected with the first cutter 14, in the first cutter 14 heating plate is provided with, heats Piece is electrically connected with induction coil 8, and induction coil 8 is located in the magnetic field being made up of N poles magnet 12 and S poles magnet 13, the first voussoir 9 Wedge surface offset with the wedge surface of the second voussoir 10, the upper end of the second voussoir 10 is connected in frame 1 by stage clip 11, the second voussoir 10 lower end offsets with chute 7, and there are the second telescopic cylinder 4 and block 18 in frame 1, block in the right side of conveyer belt 2 18 lower sections for being located at the second telescopic cylinder 4, the left end of the second telescopic cylinder 4 is connected with the second cutter 15, the second cutter 15 Blade be serrated, the recess of blade leaves adsorption hole 16, and adsorption hole 16 is communicated with air exhauster 17.
When using, start stepper motor, when conveyer belt 2 is transported to raw material bag at the first cutter 14, starts first and stretch The telescopic cylinder 4 of contracting cylinder 3 and second, the first telescopic cylinder 3 and the second telescopic cylinder 4 extend, and piston rod 5 is moved right, while First voussoir 9 is moved right, and the first voussoir 9 and the second voussoir 10 offset, and stage clip 11 shrinks, and the second voussoir 10 departs from chute 7 Offset, piston rod 5 promotes axostylus axostyle 6 to drive the first cutter 14 to cut to the two ends of raw material bag from left to right, the first cutting Knife 14 is stayed in raw material, and the second telescopic cylinder 4 drives the second cutter 15 to turn left to cutting on the upside of raw material bag, together from the right side When baffle plate prop up raw material bag, it is to avoid raw band is released from conveyer belt 2;After completing cutting, the first telescopic cylinder 3 and second is flexible Cylinder 4 shrinks, and to left movement, the first voussoir 9 and the disengaging of the second voussoir 10 offset piston rod 5, and stage clip 11 is stretched out, the second voussoir 10 Offset with chute 7, axostylus axostyle 6 is moved to the left and rotates, the magnetic field that induction coil 8 is constituted in N poles magnet 12 and S poles magnet 13 Cutting magnetic induction line motion is inside done, induced-current is produced on induction coil 8, heating plate heating, heating plate heat transfer is cut to first Knife 14, makes the first cutter 14 with heat, and the first cutter 14 are moved to the left concurrently raw rotation in raw material, and raw material is carried out Preheat and break up, air exhauster 17 starts while the second telescopic cylinder 4 shrinks, the adsorption hole 16 on the second cutter 15 will cut The raw material bag absorption opened, the second cutter 15 are taken to the edge of conveyer belt 2 by the raw material bag cut open, and staff removes cutting The raw material bag opened, in being put into collecting box, is fermented after the raw material separated and biological bacterium uniform stirring.
Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification Specific embodiment etc. records the content that can be used for explaining claim.

Claims (8)

1. packaging bag separator, including frame, it is characterised in that rotate in the frame and be provided with driving wheel and driven pulley, it is main Tensioning between driving wheel and driven pulley has conveyer belt, and the driving wheel is driven by intermittent drive mechanism, and the transmission belt surface is in ripple Wave-like, the frame above conveyer belt is provided with the first reciprocating drive mechanism and the second reciprocating drive mechanism, the described first reciprocal drive Motivation structure is provided with piston rod, and the first voussoir is connected with piston rod, and axostylus axostyle is rotatably connected with piston rod, and axostylus axostyle is provided with spiral slide Groove, is wound with induction coil on axostylus axostyle, induction coil is externally provided with field mechanisms, and the wedge surface of the first voussoir mutually has the second voussoir, In frame, the other end of the second voussoir is mutually butted in chute second voussoir one end elastic connection, and axostylus axostyle is provided with the first cutting Knife, is provided with heating plate in the first cutter, heating plate is electrically connected with induction coil, and the second reciprocating drive mechanism is provided with second and cuts Cutter, the second cutter are provided with adsorption hole, and adsorption hole is communicated with aspirating mechanism.
2. packaging bag separator according to claim 1, it is characterised in that:The side of the conveyer belt is provided with block, Block and the first reciprocating drive mechanism are respectively positioned at the both sides of conveyer belt.
3. packaging bag separator according to claim 2, it is characterised in that:The blade of second cutter is in sawtooth Shape, adsorption hole is located at the recess of blade.
4. packaging bag separator according to claim 3, it is characterised in that:First reciprocating drive mechanism and second Reciprocating drive mechanism is reciprocating air cylinder.
5. packaging bag separator according to claim 4, it is characterised in that:The field mechanisms include two magnetic pole phases Anti- magnet.
6. packaging bag separator according to claim 5, it is characterised in that:Pass through between second voussoir and frame Stage clip connects.
7. packaging bag separator according to claim 6, it is characterised in that:The aspirating mechanism is air exhauster.
8. packaging bag separator according to claim 7, it is characterised in that:The intermittent drive mechanism is stepping electricity Machine.
CN201611232558.8A 2016-12-28 2016-12-28 Packaging bag separator Expired - Fee Related CN106628457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611232558.8A CN106628457B (en) 2016-12-28 2016-12-28 Packaging bag separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611232558.8A CN106628457B (en) 2016-12-28 2016-12-28 Packaging bag separator

Publications (2)

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CN106628457A true CN106628457A (en) 2017-05-10
CN106628457B CN106628457B (en) 2018-09-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108974520A (en) * 2018-08-30 2018-12-11 安徽乐锦记食品有限公司 A kind of finished product bread error code resets machine automatically
CN108974519A (en) * 2018-08-30 2018-12-11 安徽乐锦记食品有限公司 A kind of full-automatic bag-breaking device of finished product bread error code
CN111452135A (en) * 2020-04-09 2020-07-28 杭州殿训科技有限公司 Device is tailor to big facial mask of thermal contraction volume of utilizing thin fibre
CN111907205A (en) * 2020-08-17 2020-11-10 明德新材料科技(浙江)股份有限公司 Preparation process of water transfer printing paper suitable for curved surface coating
CN114229149A (en) * 2021-11-09 2022-03-25 东华大学 Fiber bag removing belt for straight-moving bale plucker, bale opener and method

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Publication number Priority date Publication date Assignee Title
JPS63281938A (en) * 1987-04-16 1988-11-18 Syst Kogyo Kk Apparatus for taking out content in bag body
SU1664661A1 (en) * 1988-11-25 1991-07-23 Предприятие П/Я М-5397 Apparatus for opening and discharging cylindrical containers with loose materials
JP2001225818A (en) * 2000-02-15 2001-08-21 Chiyoda Soiltec Kk Unsealing device for bottom of bag
CN101139016A (en) * 2007-10-19 2008-03-12 赵亚军 Bag opening machine
CN201074038Y (en) * 2007-09-21 2008-06-18 上海汉瑞机械工程有限公司 Full-automatic unpacking discharging system replacing manually operation
JP4296535B2 (en) * 2002-09-30 2009-07-15 月島機械株式会社 Powder bag opening machine
CN104015966A (en) * 2014-06-03 2014-09-03 安徽泽加业粉体工程有限公司 Automatic bag opening station for small packages
CN204624057U (en) * 2015-04-09 2015-09-09 厦门派鼎自动化设备有限公司 The automation integrating device of package operation is unwrapped for powder material
CN205441108U (en) * 2016-03-11 2016-08-10 山东省产品质量检验研究院 Chartered plane is lacerate to full -automatic powder thorn
CN106094619A (en) * 2016-06-20 2016-11-09 上海电机学院 A kind of intelligent pet fecal treatment equipment
CN205801731U (en) * 2016-07-07 2016-12-14 石家庄博德宁机械设备有限公司 A kind of new type auto bale opener
CN106219000A (en) * 2016-08-22 2016-12-14 徐勤凤 A kind of multifunction flexible bale breaker

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281938A (en) * 1987-04-16 1988-11-18 Syst Kogyo Kk Apparatus for taking out content in bag body
SU1664661A1 (en) * 1988-11-25 1991-07-23 Предприятие П/Я М-5397 Apparatus for opening and discharging cylindrical containers with loose materials
JP2001225818A (en) * 2000-02-15 2001-08-21 Chiyoda Soiltec Kk Unsealing device for bottom of bag
JP4296535B2 (en) * 2002-09-30 2009-07-15 月島機械株式会社 Powder bag opening machine
CN201074038Y (en) * 2007-09-21 2008-06-18 上海汉瑞机械工程有限公司 Full-automatic unpacking discharging system replacing manually operation
CN101139016A (en) * 2007-10-19 2008-03-12 赵亚军 Bag opening machine
CN104015966A (en) * 2014-06-03 2014-09-03 安徽泽加业粉体工程有限公司 Automatic bag opening station for small packages
CN204624057U (en) * 2015-04-09 2015-09-09 厦门派鼎自动化设备有限公司 The automation integrating device of package operation is unwrapped for powder material
CN205441108U (en) * 2016-03-11 2016-08-10 山东省产品质量检验研究院 Chartered plane is lacerate to full -automatic powder thorn
CN106094619A (en) * 2016-06-20 2016-11-09 上海电机学院 A kind of intelligent pet fecal treatment equipment
CN205801731U (en) * 2016-07-07 2016-12-14 石家庄博德宁机械设备有限公司 A kind of new type auto bale opener
CN106219000A (en) * 2016-08-22 2016-12-14 徐勤凤 A kind of multifunction flexible bale breaker

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108974520A (en) * 2018-08-30 2018-12-11 安徽乐锦记食品有限公司 A kind of finished product bread error code resets machine automatically
CN108974519A (en) * 2018-08-30 2018-12-11 安徽乐锦记食品有限公司 A kind of full-automatic bag-breaking device of finished product bread error code
CN111452135A (en) * 2020-04-09 2020-07-28 杭州殿训科技有限公司 Device is tailor to big facial mask of thermal contraction volume of utilizing thin fibre
CN111452135B (en) * 2020-04-09 2021-11-05 杭州揽廉科技有限公司 Device is tailor to big facial mask of thermal contraction volume of utilizing thin fibre
CN111907205A (en) * 2020-08-17 2020-11-10 明德新材料科技(浙江)股份有限公司 Preparation process of water transfer printing paper suitable for curved surface coating
CN111907205B (en) * 2020-08-17 2021-12-14 明德新材料科技(浙江)股份有限公司 Preparation process of water transfer printing paper suitable for curved surface coating
CN114229149A (en) * 2021-11-09 2022-03-25 东华大学 Fiber bag removing belt for straight-moving bale plucker, bale opener and method

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Effective date of registration: 20200814

Address after: Half floor village in Jiawang District of Jiangsu province in 221000 near the town of Xuzhou City, north of State Road 310 South

Patentee after: XUZHOU TENGFENG EDIBLE FUNGUS TECHNOLOGY Co.,Ltd.

Address before: Changshou District of Chongqing city in 401220 Glenn Zhen LAN Xing Cun 1 groups

Patentee before: CHONGQING YIFENG BIOLOGICAL FERTILIZER Co.,Ltd.

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Granted publication date: 20180921

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