CN109159990A - A kind of woven bag closing device - Google Patents
A kind of woven bag closing device Download PDFInfo
- Publication number
- CN109159990A CN109159990A CN201810923885.0A CN201810923885A CN109159990A CN 109159990 A CN109159990 A CN 109159990A CN 201810923885 A CN201810923885 A CN 201810923885A CN 109159990 A CN109159990 A CN 109159990A
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- CN
- China
- Prior art keywords
- woven bag
- gear
- closing device
- setting
- fixedly connected
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing Of Containers (AREA)
Abstract
The present invention relates to a kind of woven bag closing devices, including main body, fixed block, seal case, thrust gear, conveying box and several pressing mechanisms, the pressing mechanism includes lifting groove, elevating lever, guide rod, telescopic chute, spring, rolling unit and two position-limiting units, the thrust gear includes runner, shaft, first gear, second gear, fixing axle, turntable, oscillating rod, movable case and mobile unit, the woven bag closing device, pass through pressing mechanism, the woven bag closing device can prevent woven bag from shifting in capping processes, prevent the sealing line of woven bag from tilting, moreover, pass through thrust gear, the woven bag closing device can will enter the material with finalization area and release, the bag wall of woven bag is prevented to be fixed together with material, avoid occurring notch on woven bag, to improve the sealing effect of woven bag.
Description
Technical field
The present invention relates to woven bag sealing device field, in particular to a kind of woven bag closing device.
Background technique
Woven bag, also known as snakeskin bag.It is one kind of polybag, for packing, raw material is usually polyethylene, polypropylene etc.
Various Xylonite raw materials, and woven bag closing device is used exclusively for the equipment that sealing packaging is carried out for woven bag.
When being sealed for woven bag, woven bag easily deviates existing woven bag sealing device, leads to woven bag
Sealing line inclination, or even cause woven bag sealing not exclusively, moreover, when woven bag is laid flat, the material in woven bag is easily
Into finalization area, causes existing woven bag sealing device that the bag wall of woven bag can not be made to be fixed together, lead to woven bag
On there is notch, cause the sealing effect of woven bag poor.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of woven bag sealing dress
It sets.
The technical solution adopted by the present invention to solve the technical problems is: a kind of woven bag closing device, including main body, solid
Determine block, sealing case, thrust gear, conveying box and several pressing mechanisms, the sealing case, fixed block and conveying box and is each attached to master
The side of body, the fixed block and conveying box are separately positioned on above and below main body, and the sealing case is arranged in fixed block
Between conveying box, between driving wheel and sealing case, each pressing mechanism is evenly distributed on conveying box for the thrust gear setting
Top, closing device is equipped in the sealing case, is equipped with conveying mechanism in the conveying box；
The conveying mechanism includes motor, driving wheel, conveyer belt and driving wheel, and the driving wheel and driving wheel are respectively set
Two sides in conveying box, the conveyer belt is end to end, and the conveyer belt bypasses driving wheel and driving wheel, the motor and drive
Driving wheel transmission connection；
The pressing mechanism includes that lifting groove, elevating lever, guide rod, telescopic chute, spring, rolling unit and two limits are single
Member, the lifting groove are vertically provided in fixed block, and the elevating lever is vertically arranged, and the top setting of the elevating lever is being gone up and down
In slot, the bottom end of the elevating lever is connect with rolling unit, and two position-limiting units are separately positioned on the two sides of lifting groove, described to stretch
Contracting slot is arranged on elevating lever, and the guide rod is vertically provided in lifting groove, in the top and lifting groove of the guide rod
Top is fixedly connected, and the bottom end of the guide rod is arranged in telescopic chute, and the spring is arranged in telescopic chute, the spring
One end is fixedly connected with the bottom in telescopic chute, and the other end of the spring is fixedly connected with guide rod, and the spring is in pressure
Contracting state；
The thrust gear includes runner, shaft, first gear, second gear, fixing axle, turntable, oscillating rod, movable case
And mobile unit, the runner are arranged in conveying box, and the conveyer belt bypasses runner, and the runner is horizontally disposed, and described turn
Axis is horizontally disposed, and the shaft and runner are coaxially disposed, and one end of the shaft is fixedly connected with runner, the shaft it is another
End is fixedly connected with first gear, and the shaft and first gear are coaxially disposed, and first gear is arranged in the second gear
Top, the first gear and second gear are bevel gear, and the first gear is engaged with second gear, and the fixing axle is perpendicular
To setting, the fixing axle and second gear are coaxially disposed, and the bottom end of the fixing axle is fixedly connected with second gear, described solid
The top of dead axle is fixedly connected with turntable, and the fixing axle and turntable are coaxially disposed, and the oscillating rod is horizontally disposed, the swing
One end of bar and the separate the center point of turntable are hinged, and the other end and movable case of the oscillating rod are hinged；
The mobile unit includes driving assembly and pressing plate, and the driving component is arranged in movable case, and the pressing plate is set
It sets in the lower section of movable case, the driving component and pressing plate are sequentially connected.
Preferably, in order to enable motor can precise and stable work for a long time, the motor is servo motor.
Preferably, elevating lever tilts in order to prevent, the position-limiting unit includes limited block and limiting slot, the limited block
It is arranged in limiting slot, the limited block is fixedly connected with the top of elevating lever.
Preferably, the rolling unit includes metal frame and idler wheel for the ease of fixed woven bag, the metal frame is solid
It is scheduled on the lower section of elevating lever, the idler wheel is arranged in metal frame.
Preferably, in order to reduce transmission loss between first gear and second gear, the first gear and the second tooth
Lubricating oil is coated between wheel.
Preferably, movable case tilts in order to prevent, the side of the close fixing axle of the movable case is equipped with gag lever post, institute
It is horizontally disposed to state gag lever post, one end of the limited block is fixedly connected with movable case, and the other end of the limited block is arranged in master
In vivo.
Preferably, pressing plate tilts in order to prevent, the top of the pressing plate is equipped with locating rod, and the locating rod is vertically set
It sets, the bottom end of the locating rod is fixedly connected with the pressing plate, and the top of the locating rod is arranged in movable case.
Preferably, scratching woven bag in order to prevent, the lower section of the pressing plate is equipped with rubber strip.
Preferably, the movement in order to realize pressing plate, the driving component includes air pump, cylinder and piston, the air pump
It is connected to cylinder, the cylinder is vertically arranged, and one end of the piston is arranged in cylinder, the other end and pressing plate of the piston
It is fixedly connected.
Preferably, the woven bag sealing device slides in order to prevent, the lower section of the main body and the lower section of conveying box are equal
Equipped with skid resistance strip.
The invention has the advantages that the woven bag closing device, by pressing mechanism, which can
It prevents woven bag from shifting in capping processes, prevents the sealing line of woven bag from tilting, it, should compared with existing pressing mechanism
The squeezing effect of pressing mechanism is preferable, and moreover, by thrust gear, which can will enter band sealing
The material in area is released, and is prevented the bag wall of woven bag to be fixed together with material, is avoided occurring notch on woven bag, to improve volume
The sealing effect for knitting bag, compared with existing thrust gear, the material passage effect of the thrust gear is preferable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of woven bag closing device of the invention；
Fig. 2 is the structural schematic diagram of the pressing mechanism of woven bag closing device of the invention；
Fig. 3 is the main body of woven bag closing device of the invention, the attachment structure schematic diagram of conveying box and thrust gear；
Fig. 4 is the structural schematic diagram of the thrust gear of woven bag closing device of the invention；
In figure: 1. main bodys, 2. fixed blocks, 3. sealing casees, 4. conveying boxes, 5. motors, 6. driving wheels, 7. conveyer belts, 8. pass
Driving wheel, 9. runners, 10. lifting grooves, 11. limiting slots, 12. limited blocks, 13. guide rods, 14. elevating levers, 15. telescopic chutes, 16. bullets
Spring, 17. metal frames, 18. idler wheels, 19. shafts, 20. first gears, 21. second gears, 22. fixing axles, 23. turntables, 24. pendulum
Lever, 25. movable cases, 26. gag lever posts, 27. air pumps, 28. cylinders, 29. pistons, 30. pressing plates, 31. locating rods.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of woven bag closing device, including main body 1, fixed block 2, sealing case 3, thrust gear, conveying
Case 4 and several pressing mechanisms, the sealing case 3, fixed block 2 and conveying box 4 are each attached to the side of main body 1, the fixed block 2
It is separately positioned on above and below main body 1 with conveying box 4, the sealing case 3 is arranged between fixed block 2 and conveying box 4, institute
Thrust gear setting is stated between driving wheel 8 and sealing case 3, each pressing mechanism is evenly distributed on the top of conveying box 4, the envelope
It is equipped with closing device in mouth case 3, is equipped with conveying mechanism in the conveying box 4；
Woven bag with sealing is placed on conveying box 4 by people, conveying mechanism operation, mobile woven bag, thrust gear
Operation will enter the material with finalization area and release, the bag wall of woven bag is prevented to be fixed together with material, avoids going out on woven bag
Existing notch, then pressing mechanism is run, and is prevented woven bag from shifting in capping processes, is prevented the sealing line of woven bag from inclining
Tiltedly.
The conveying mechanism includes motor 5, driving wheel 6, conveyer belt 7 and driving wheel 8, and the driving wheel 6 and driving wheel 8 divide
Two sides in conveying box 4 are not set, the conveyer belt 7 is end to end, and the conveyer belt 7 bypasses driving wheel 6 and driving wheel 8,
The motor 5 is sequentially connected with driving wheel 6；
As shown in Fig. 2, the pressing mechanism include lifting groove 10, elevating lever 14, guide rod 13, telescopic chute 15, spring 16,
Rolling unit and two position-limiting units, the lifting groove 10 are vertically provided in fixed block 2, and the elevating lever 14 is vertically arranged,
The top of the elevating lever 14 is arranged in lifting groove 10, and the bottom end of the elevating lever 14 is connect with rolling unit, two limits
Unit is separately positioned on the two sides of lifting groove 10, and the telescopic chute 15 is arranged on elevating lever 14, and the guide rod 13 is vertically set
It sets in lifting groove 10, the top of the guide rod 13 is fixedly connected with the top in lifting groove 10, the bottom of the guide rod 13
End is arranged in telescopic chute 15, and the spring 16 is arranged in telescopic chute 15, in one end of the spring 16 and telescopic chute 15
Bottom is fixedly connected, and the other end of the spring 16 is fixedly connected with guide rod 13, and the spring 16 is in compressive state；
Spring 16 makes elevating lever 14 far from guide rod 13, and elevating lever 14 is allowed to stretch out lifting groove 10, single by two limits
Member makes the finalization area of the fixed woven bag of rolling unit, prevents the finalization area of woven bag from tilting.
By pressing mechanism, which can prevent woven bag from shifting in capping processes, prevent
The sealing line of woven bag tilts, and compared with existing pressing mechanism, the squeezing effect of the pressing mechanism is preferable.
As shown in Figure 3-4, the thrust gear includes runner 9, shaft 19, first gear 20, second gear 21, fixing axle
22, turntable 23, oscillating rod 24, movable case 25 and mobile unit, the runner 9 are arranged in conveying box 4, the conveyer belt 7 around
Runner 9 is crossed, the runner 9 is horizontally disposed, and the shaft 19 is horizontally disposed, and the shaft 19 is coaxially disposed with runner 9, and described turn
One end of axis 19 is fixedly connected with runner 9, and the other end of the shaft 19 is fixedly connected with first gear 20, the shaft 19 with
First gear 20 is coaxially disposed, and the top of first gear 20, the first gear 20 and second is arranged in the second gear 21
Gear 21 is bevel gear, and the first gear 20 is engaged with second gear 21, and the fixing axle 22 is vertically arranged, the fixation
Axis 22 and second gear 21 are coaxially disposed, and the bottom end of the fixing axle 22 is fixedly connected with second gear 21, the fixing axle 22
Top be fixedly connected with turntable 23, the fixing axle 22 is coaxially disposed with turntable 23, and the oscillating rod 24 is horizontally disposed, described
One end of oscillating rod 24 and the separate the center point of turntable 23 are hinged, and the other end and movable case 25 of the oscillating rod 24 are hinged；
The mobile unit includes driving assembly and pressing plate 30, and the driving component is arranged in movable case 25, the pressure
The lower section of movable case 25 is arranged in plate 30, and the driving component and pressing plate 30 are sequentially connected.
Mobile unit works first, and driving assembly driving pressing plate 30 moves down, so that pressing plate 30 and woven bag are against biography
Send band 7 that runner 9 is driven to rotate, runner 9 drives shaft 19 to rotate, and shaft 19 makes 21 turns of second gear by first gear 20
Dynamic, second gear 21 drives fixing axle 22 to rotate, and fixing axle 22 makes oscillating rod 24 swing back and forth by turntable 23, so that
Movable case 25 moves back and forth, and the material in the finalization area of woven bag is inwardly pushed, and prevents the bag wall of woven bag from fixing with material
Together.
By thrust gear, which can will enter the material with finalization area and release, and prevent woven bag
Bag wall be fixed together with material, avoid occurring notch on woven bag, it is and existing to improve the sealing effect of woven bag
Thrust gear is compared, and the material passage effect of the thrust gear is preferable.
Preferably, in order to enable motor 5 can precise and stable work for a long time, the motor 5 is servo motor.
Preferably, elevating lever 14 tilts in order to prevent, the position-limiting unit includes limited block 12 and limiting slot 11, described
Limited block 12 is arranged in limiting slot 11, and the limited block 12 is fixedly connected with the top of elevating lever 14.
Preferably, the rolling unit includes metal frame 17 and idler wheel 18, the metal for the ease of fixed woven bag
Frame 17 is fixed on the lower section of elevating lever 14, and the idler wheel 18 is arranged in metal frame 17.
Preferably, in order to reduce transmission loss between first gear 20 and second gear 21, the first gear 20 with
Lubricating oil is coated between second gear 21.
Preferably, movable case 25 tilts in order to prevent, the side of the close fixing axle 22 of the movable case 25 is equipped with limit
Position bar 26, the gag lever post 26 is horizontally disposed, and one end of the limited block 12 is fixedly connected with movable case 25, the limited block 12
The other end be arranged in main body 1.
Preferably, pressing plate 30 tilts in order to prevent, the top of the pressing plate 30 is equipped with locating rod 31, the locating rod 31
Vertically arranged, the bottom end of the locating rod 31 is fixedly connected with pressing plate 30, and the top of the locating rod 31 is arranged in movable case 25
It is interior.
Preferably, scratching woven bag in order to prevent, the lower section of the pressing plate 30 is equipped with rubber strip.
Preferably, the movement in order to realize pressing plate 30, the driving component includes air pump 27, cylinder 28 and piston 29,
The air pump 27 is connected to cylinder 28, and the cylinder 28 is vertically arranged, and one end of the piston 29 is arranged in cylinder 28, described
The other end of piston 29 is fixedly connected with pressing plate 30.Air pump 27 by change cylinder 28 in air pressure, driving piston 29 stretch out or
It withdraws, to realize the movement of pressing plate 30.
Preferably, the woven bag sealing device slides in order to prevent, the lower section of the main body 1 and the lower section of conveying box 4
It is equipped with skid resistance strip.
The working principle of the woven bag closing device: the woven bag with sealing is placed on conveying box 4 by people, conveyer
Structure operation, mobile woven bag, thrust gear operation will enter the material with finalization area and release, prevent the bag wall and object of woven bag
Material is fixed together, and avoids occurring notch on woven bag, and then pressing mechanism is run, and prevents woven bag from occurring in capping processes
Offset, prevents the sealing line of woven bag from tilting.
Compared with prior art, the woven bag closing device, by pressing mechanism, which can be prevented
Woven bag shifts in capping processes, prevents the sealing line of woven bag from tilting, compared with existing pressing mechanism, the extruding
The squeezing effect of mechanism is preferable, and moreover, by thrust gear, which can will enter with finalization area
Material is released, and is prevented the bag wall of woven bag to be fixed together with material, is avoided occurring notch on woven bag, to improve woven bag
Sealing effect, compared with existing thrust gear, the material of thrust gear passage effect is preferable.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of woven bag closing device, which is characterized in that including main body (1), fixed block (2), sealing case (3), thrust gear,
Conveying box (4) and several pressing mechanisms, sealing case (3), fixed block (2) and conveying box (4) are each attached to the one of main body (1)
Side, the fixed block (2) and conveying box (4) are separately positioned on above and below main body (1), and sealing case (3) setting exists
Between fixed block (2) and conveying box (4), the thrust gear setting is between driving wheel (8) and sealing case (3), each extruder
Structure is evenly distributed on the top of conveying box (4), and closing device is equipped in the sealing case (3), is equipped in the conveying box (4) defeated
Send mechanism；
The conveying mechanism includes motor (5), driving wheel (6), conveyer belt (7) and driving wheel (8), the driving wheel (6) and is passed
Driving wheel (8) is separately positioned on the two sides in conveying box (4), and the conveyer belt (7) is end to end, and the conveyer belt (7) is around drive
Driving wheel (6) and driving wheel (8), the motor (5) and driving wheel (6) are sequentially connected；
The pressing mechanism includes lifting groove (10), elevating lever (14), guide rod (13), telescopic chute (15), spring (16), rolls
Unit and two position-limiting units, the lifting groove (10) are vertically provided in fixed block (2), and the elevating lever (14) vertically sets
It sets, in lifting groove (10), the bottom end of the elevating lever (14) is connect with rolling unit for the top setting of the elevating lever (14),
Two position-limiting units are separately positioned on the two sides of lifting groove (10), and the telescopic chute (15) is arranged on elevating lever (14), described
Guide rod (13) is vertically provided in lifting groove (10), and top and the top in lifting groove (10) of the guide rod (13) are fixed
Connection, the bottom end setting of the guide rod (13) is in telescopic chute (15), and spring (16) setting is in telescopic chute (15), institute
The one end for stating spring (16) is fixedly connected with the bottom in telescopic chute (15), the other end of the spring (16) and guide rod (13)
It is fixedly connected, the spring (16) is in compressive state；
The thrust gear includes runner (9), shaft (19), first gear (20), second gear (21), fixing axle (22), turns
Disk (23), oscillating rod (24), movable case (25) and mobile unit, runner (9) setting is in conveying box (4), the transmission
Band (7) bypasses runner (9), and the runner (9) is horizontally disposed, and the shaft (19) is horizontally disposed, the shaft (19) and runner
(9) it is coaxially disposed, one end of the shaft (19) is fixedly connected with runner (9), the other end and the first tooth of the shaft (19)
Wheel (20) is fixedly connected, and the shaft (19) and first gear (20) are coaxially disposed, and the second gear (21) is arranged first
The top of gear (20), the first gear (20) and second gear (21) are bevel gear, the first gear (20) and the
Two gears (21) engagement, the fixing axle (22) is vertically arranged, and the fixing axle (22) and second gear (21) are coaxially disposed, institute
The bottom end for stating fixing axle (22) is fixedly connected with second gear (21), and the top and turntable (23) of the fixing axle (22) are fixed to be connected
It connecing, the fixing axle (22) and turntable (23) are coaxially disposed, and the oscillating rod (24) is horizontally disposed, and the one of the oscillating rod (24)
End is hinged with the separate the center point of turntable (23), and the other end of the oscillating rod (24) and movable case (25) are hinged；
The mobile unit includes driving assembly and pressing plate (30), and the driving component setting is in movable case (25), the pressure
Plate (30) setting is sequentially connected in the lower section of movable case (25), the driving component and pressing plate (30).
2. woven bag closing device as described in claim 1, which is characterized in that the motor (5) is servo motor.
3. woven bag closing device as described in claim 1, which is characterized in that the position-limiting unit include limited block (12) and
Limiting slot (11), limited block (12) setting is in limiting slot (11), the top of the limited block (12) and elevating lever (14)
It is fixedly connected.
4. woven bag closing device as described in claim 1, which is characterized in that the rolling unit include metal frame (17) and
Idler wheel (18), the metal frame (17) are fixed on the lower section of elevating lever (14), and idler wheel (18) setting is in metal frame (17).
5. woven bag closing device as described in claim 1, which is characterized in that the first gear (20) and second gear
(21) lubricating oil is coated between.
6. woven bag closing device as described in claim 1, which is characterized in that the close fixing axle of the movable case (25)
(22) side is equipped with gag lever post (26), and the gag lever post (26) is horizontally disposed, one end of the limited block (12) and movable case
(25) it is fixedly connected, the other end setting of the limited block (12) is in main body (1).
7. woven bag closing device as described in claim 1, which is characterized in that the top of the pressing plate (30) is equipped with locating rod
(31), the locating rod (31) is vertically arranged, and the bottom end of the locating rod (31) is fixedly connected with pressing plate (30), the locating rod
(31) top setting is in movable case (25).
8. woven bag closing device as described in claim 1, which is characterized in that the lower section of the pressing plate (30) is equipped with rubber
Item.
9. woven bag closing device as described in claim 1, which is characterized in that the driving component includes air pump (27), gas
Cylinder (28) and piston (29), the air pump (27) are connected to cylinder (28), and the cylinder (28) is vertically arranged, the piston (29)
One end setting in the cylinder (28), the other end of the piston (29) is fixedly connected with pressing plate (30).
10. woven bag closing device as described in claim 1, which is characterized in that the lower section of the main body (1) and conveying box
(4) skid resistance strip is equipped with below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923885.0A CN109159990A (en) | 2018-08-11 | 2018-08-11 | A kind of woven bag closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923885.0A CN109159990A (en) | 2018-08-11 | 2018-08-11 | A kind of woven bag closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109159990A true CN109159990A (en) | 2019-01-08 |
Family
ID=64895636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810923885.0A Withdrawn CN109159990A (en) | 2018-08-11 | 2018-08-11 | A kind of woven bag closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109159990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844211A (en) * | 2019-11-27 | 2020-02-28 | 耒阳市华润农副产品有限公司 | Food package plastic envelope device |
-
2018
- 2018-08-11 CN CN201810923885.0A patent/CN109159990A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844211A (en) * | 2019-11-27 | 2020-02-28 | 耒阳市华润农副产品有限公司 | Food package plastic envelope device |
| CN110844211B (en) * | 2019-11-27 | 2021-12-28 | 湖南心海圆农业发展股份有限公司 | Food package plastic envelope device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190108 |
|
| WW01 | Invention patent application withdrawn after publication |