CN208133694U - Automatic packaging bag forming machine - Google Patents

Automatic packaging bag forming machine Download PDF

Info

Publication number
CN208133694U
CN208133694U CN201820336398.XU CN201820336398U CN208133694U CN 208133694 U CN208133694 U CN 208133694U CN 201820336398 U CN201820336398 U CN 201820336398U CN 208133694 U CN208133694 U CN 208133694U
Authority
CN
China
Prior art keywords
heat
packaging bag
packaging film
cut
roller 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.)
Active
Application number
CN201820336398.XU
Other languages
Chinese (zh)
Inventor
赵凯
赵剑锋
程雁强
杨良海
庞林慧
王剑英
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.)
DONGGUAN WAN-JIANG MACHINERY Co Ltd
Original Assignee
DONGGUAN WAN-JIANG 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 DONGGUAN WAN-JIANG MACHINERY Co Ltd filed Critical DONGGUAN WAN-JIANG MACHINERY Co Ltd
Priority to CN201820336398.XU priority Critical patent/CN208133694U/en
Application granted granted Critical
Publication of CN208133694U publication Critical patent/CN208133694U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

The utility model discloses a kind of automatic packaging bag forming machines, including heat-sealing component, packaging film roll wheel assembly and cut membrane module, packaging film roll wheel assembly is placed in the rear of heat-sealing component, cut the top that membrane module is placed in heat-sealing component, packaging bag enters packaging film roll wheel assembly confirmation length, and then, heat-sealing component pushes down packaging bag, then it cuts membrane module to cut off packaging bag, finally seals component and packaging bag is sealed.The utility model structure is simple, realize automatically delivering for packaging bag, meanwhile the quick cutting and heat-sealing of packaging bag are realized, effectively increase the working efficiency of equipment, reduce the investment of labour, by cutting the setting of membrane module, so that the cutting-off process of packaging bag is more steady, the notch of packaging bag is neat, cutting is rapid, the quality of packaging bag has been effectively ensured, and has reduced the cost of equipment.

Description

Automatic packaging bag forming machine
Technical field
The utility model relates to packaging bag wrapper technology fields, are to be related to a kind of automatic packaging bag forming more specifically Machine.
Background technique
Packaging bag is the necessity of daily packing article, shopping placement article.When producing packaging bag, it usually needs will be at The packaging film of type carries out the packaging bag of heat-sealing formation one by one, and needs to cut off packaging bag, facilitate the tearing off or individually make With, however, existing heat-seal equipment and joint-cutting equipment is there are still certain defect, common cut-off equipment generally use chain with The setting of sprocket wheel drives the movement of cut-off knife still since chain is the phenomenon that being easy to appear fracture, to need to be protected regularly It supports and repairs, the maintenance cost of the equipment greatly increased, and the service life of equipment is not high, directly passes through large size in addition, also having Cut-off knife directly packaging film is cut off, still, large-scale cut-off knife higher cost is not particularly suited for the need of most of factories It asks.
Utility model content
The purpose of the utility model is to overcome drawbacks described above in the prior art, provide that a kind of notch is neat, cutting is fast Speed and lower-cost automatic packaging bag forming machine.
To achieve the above object, the utility model provides a kind of automatic packaging bag forming machine, including support frame, heat-sealing group Part, packaging film roll wheel assembly and cut membrane module, the heat-sealing component installing on the support frame, the packaging film roll wheel assembly installing On the support frame, it is placed in the rear of heat-sealing component, it is described to cut membrane module installing on the support frame, it is placed in the upper of heat-sealing component Side, the membrane module of cutting include cut-off knife, cut film stepper motor, slide assemblies and transfer assembly, and the transfer assembly is installed in branch On support, the slide assemblies installing on the support frame, and is sequentially connected with transfer assembly, and the cut-off knife is installed in cunning obliquely It is described to cut the installing of film stepper motor on the support frame on dynamic component, and be sequentially connected with transfer assembly, transfer assembly is driven with this It rotates, to drive bilateral reciprocation of the cut-off knife on slide assemblies.
Preferably, the heat-sealing component include guide post, heat seal cylinder, movable plate, upper heat-sealing piece, lower heat-sealing piece and Upper heat-sealing piece connecting rod, the upper heat-sealing piece is oppositely arranged with lower heat-sealing piece, and is provided with the gap passed through for packaging bag, described Lower heat-sealing piece is installed on support frame, and the movable plate is installed on the support frame by guide post, and the movable plate opposite can be led It is slided up and down to column, the upper heat-sealing piece is connected by upper heat-sealing piece connecting rod with movable plate, the heat seal cylinder and movable plate Transmission connection drives pumping for upper heat-sealing piece to drive the up and down motion of movable plate with this.
Preferably, the packaging film roll wheel assembly includes the first packaging film roller shaft, the second packaging film roller shaft, pressure Axis cylinder and idler wheel shaft step motor, the first packaging film roller shaft and the second packaging film roller shaft are installed in support frame On, it is placed in the rear of heat-sealing component, the first packaging film roller shaft is installed in the top of the second packaging film roller shaft, described Last item cylinder and the first packaging film roller shaft are sequentially connected, so that the first packaging film roller shaft of driving moves downward and the second packaging Film roller shaft is in contact, and the idler wheel shaft step motor and the second packaging film roller shaft are sequentially connected, thus the second packaging of driving Film roller shaft rotates, and drives the first packaging film roller shaft to rotate with this.
Preferably, the slide assemblies include sliding rail and sliding block, and the sliding rail is installed on the support frame, the sliding block It is slidably connected with sliding rail, the cut-off knife is installed on sliding block obliquely, and the sliding block and transfer assembly are sequentially connected, described to cut film Stepper motor and transfer assembly are sequentially connected, and driving transfer assembly rotates, so that the left and right with movable slider on the slide rail is past Multiple movement, the bilateral reciprocation of cut-off knife is driven with this.
Preferably, the transfer assembly includes synchronous belt and synchronizing wheel, and the synchronizing wheel is respectively installed in support frame Left and right ends, the synchronous belt is set in synchronizing wheel, and the sliding block is connected with synchronous belt, it is described cut film stepper motor with Synchronizing wheel transmission connection, with this bilateral reciprocation with movable slider on the slide rail, drives so that synchronous belt be driven to rotate The bilateral reciprocation of cut-off knife.
Preferably, bearing sleeve is arranged in the guide post, the bearing sleeve can be oppositely oriented on column and glide Dynamic, the left and right sides of the movable plate is connected with corresponding bearing sleeve respectively.
Preferably, the upper heat-sealing piece connecting rod is provided with two, and the upper heat-sealing piece connecting rod is separately positioned on heat The left and right ends of mounting, and be connected with movable plate.
Compared with prior art, the beneficial effects of the utility model are:
The utility model structure is simple, including seals component, packaging film roll wheel assembly and cut membrane module, packaging film roller group Part is placed in the rear of heat-sealing component, cuts the top that membrane module is placed in heat-sealing component, and packaging bag enters the confirmation of packaging film roll wheel assembly Length, then, heat-sealing component push down packaging bag, then cut membrane module and cut off packaging bag, finally seal component to packaging bag into Row heat-sealing, realizes automatically delivering for packaging bag, meanwhile, the quick cutting and heat-sealing of packaging bag are realized, effectively increases and sets Standby working efficiency reduces the investment of labour, wherein by cutting the setting of membrane module, so that the cutting-off process of packaging bag It is more steady, the notch of packaging bag is neat, cutting rapidly, the quality of packaging bag has been effectively ensured, and reduce equipment at This.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the overall structure diagram of automatic packaging bag forming machine provided by the utility model;
Fig. 2 is the partial structurtes enlarged drawing of automatic packaging bag forming machine provided by the utility model;
Fig. 3 is another partial structurtes enlarged drawing of automatic packaging bag forming machine provided by the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Referring to FIG. 1, the embodiments of the present invention provide a kind of automatic packaging bag forming machine, including heat-sealing component 2, Packaging film roll wheel assembly 3 is placed in the rear of heat-sealing component 2, cuts membrane module 4 and be placed in heat with membrane module 4, packaging film roll wheel assembly 3 is cut The top of sealing assembly 2, packaging bag enter packaging film roll wheel assembly 3 and confirm length, and then, heat-sealing component 2 pushes down packaging bag, then Membrane module 4 is cut to cut off packaging bag, finally seal component 2 packaging bag is sealed, with reference to the accompanying drawing to the present embodiment into Row is described in detail.
As shown in Figure 1, heat-sealing component 2 is installed on support frame 1, packaging film roll wheel assembly 3 is installed on support frame 1, and It is placed in the rear of heat-sealing component 2, membrane module 4 is cut and is installed on support frame 1, is placed in the top of heat-sealing component 2, packaging bag enters Packaging film roll wheel assembly 3 confirms length, and then, heat-sealing component 2 pushes down packaging bag, then cuts membrane module 4 and cuts off packaging bag, most Post heat-seal component 2 seals packaging bag, realizes automatically delivering for packaging bag, meanwhile, realize quickly cutting for packaging bag Disconnected and heat-sealing, effectively increases the working efficiency of equipment, reduces the investment of labour, wherein by cutting setting for membrane module 4 It sets, so that the cutting-off process of packaging bag is more steady, the notch of packaging bag is neat, cutting is rapid, and packaging bag has been effectively ensured Quality.
Include cut-off knife 5, cut film stepper motor 6, slide assemblies 7 and transfer assembly 8 as shown in Figure 1, cutting membrane module 4, transmits Component 8 is installed on support frame 1, and slide assemblies 7 are installed on support frame 1, and is sequentially connected with transfer assembly 8, and cut-off knife 5 is oblique It is installed on slide assemblies 7 downwards, cuts film stepper motor 6 and be installed on support frame 1, and be sequentially connected with transfer assembly 8, with this Driving transfer assembly 8 rotates, so that bilateral reciprocation of the cut-off knife 5 on slide assemblies 7 is driven,
As shown in Figures 2 and 3, slide assemblies 7 include sliding rail 71 and sliding block 72, and sliding rail 71 is installed on support frame 1, sliding block 72 are slidably connected with sliding rail 71, and cut-off knife 5 is installed in obliquely on sliding block 71, and sliding block 71 and transfer assembly 8 are sequentially connected, and cut film Stepper motor 6 and transfer assembly 8 are sequentially connected, and driving transfer assembly 8 rotates, thus with movable slider 72 on sliding rail 71 Bilateral reciprocation, the bilateral reciprocation of cut-off knife 5 is driven with this, and transfer assembly 8 includes including synchronous belt 81 and synchronizing wheel 82, synchronizing wheel 82 is respectively installed in the left and right ends of support frame 1, and synchronous belt 81 is set in synchronizing wheel 82, sliding block 72 with it is synchronous Band 81 is connected, and cuts film stepper motor 6 and synchronizing wheel 82 is sequentially connected, so that synchronous belt 81 be driven to rotate, driven with this Bilateral reciprocation of the sliding block 72 on sliding rail 71 drives the bilateral reciprocation of cut-off knife 5, by synchronous belt 81 with movable slider 72 sliding on sliding rail 71, so that the movement of cut-off knife 5 is more steady, the cutting of packaging bag is more stable, so that packaging bag Notch is neat, cutting rapidly, the quality of packaging bag has been effectively ensured.
Wherein, heat-sealing component 2 includes guide post 9, heat seal cylinder 10, movable plate 11, upper heat-sealing piece 12, lower heat-sealing piece 13 With upper heat-sealing piece connecting rod 14, upper heat-sealing piece 12 is oppositely arranged with lower heat-sealing piece 13, and is provided with the gap passed through for packaging bag, Lower heat-sealing piece 13 is installed on support frame 1, and movable plate 11 is installed on the support frame by guide post 9, and movable plate 11 opposite can be led It is slided up and down to column 9, upper heat-sealing piece 12 is connected by upper heat-sealing piece connecting rod 14 with movable plate 11, heat seal cylinder 10 and activity Plate 11 is sequentially connected, to drive the up and down motion of movable plate 11, drives pumping for upper heat-sealing piece 12 with this, passes through Heat-sealing piece 12 pushes down packaging bag in the driving of heat seal cylinder 10, and after bag cutting to be packaged, upper heat-sealing piece 12 will with lower heat-sealing piece 13 Packaging bag is sealed, and is realized the automatic heat-sealing of packaging bag, and pass through the setting of guide post 9, be ensure that movable plate 11 always Vertical up and down motion is done, ensure that heat-sealing piece 12 does vertical up and down motion always, the uniform heat of packaging bag is effectively ensured Envelope.
In the present embodiment, packaging film roll wheel assembly 3 include the first packaging film roller shaft 15, the second packaging film roller shaft 16, Last item cylinder 17 and idler wheel shaft step motor 18, the first packaging film roller shaft 15 and the second packaging film roller shaft 16 are installed in On support frame 1, it is placed in the rear of heat-sealing component 2, the first packaging film roller shaft 15 is installed in the second packaging film roller shaft 16 Top, last item cylinder 17 and the first packaging film roller shaft 15 are sequentially connected, so that the first packaging film roller shaft of driving 15 is transported downwards Dynamic to be in contact with the second packaging film roller shaft 16, idler wheel shaft step motor 18 and the second packaging film roller shaft 16 are sequentially connected, from And the second packaging film roller shaft 16 is driven to rotate, drive the first packaging film roller shaft 15 to rotate with this, packaging bag exists Pass through between first packaging film roller shaft 15 and the second packaging film roller shaft 16, idler wheel shaft step motor 18 drives the second packaging film Roller shaft 16 rotates, and drives packaging bag to go ahead, after the length for confirming packaging bag, stops walking about, carry out next movement, realizes Walking about automatically for packaging bag, effectively increases the working efficiency of equipment.
Preferably, being arranged with bearing sleeve 19 in guide post 9, bearing sleeve 19 can be oppositely oriented column 9 and slide up and down, living The left and right sides of movable plate 11 is connected with corresponding bearing sleeve 19 respectively, by the setting of bearing sleeve 19, so that movable plate 11 sliding up and down more steadily in guide post 9.
Preferably, upper heat-sealing piece connecting rod 14 is provided with two, upper heat-sealing piece connecting rod 14 is separately positioned on heat-sealing piece 12 Left and right ends, and be connected with movable plate 11, by setting two upper heat-sealing piece connecting rods 14, so that the up and down motion of movable plate 11 It is more steady, and make the heat-sealing of packaging bag more uniformly.
When equipment is run, packaging bag passes through between the first packaging film roller shaft 15 and the second packaging film roller shaft 16, pressure Axis cylinder 17 drives the first packaging film roller shaft 15 to be in contact with the second packaging film roller shaft 16, and idler wheel shaft step motor 18 drives Dynamic second packaging film roller shaft 16 rotation, drives packaging bag to go ahead, and after confirming length, heat seal cylinder 10 drives movable plate 11 It moves downward, upper heat-sealing piece 12 pushes down packaging bag, then, cuts film stepper motor 6 and synchronizing wheel 82 is driven to rotate, drive same Step band 81 rotates, the sliding with movable slider 72 on sliding rail 71, so that cut-off knife 5 is driven from left to right to cut off packaging bag, Finally packaging bag is sealed, so far completes complete movement.
In conclusion the utility model structure is simple, including seals component 2, packaging film roll wheel assembly 3 and cut membrane module 4, packaging film roll wheel assembly 3 is placed in the rear of heat-sealing component 2, cuts the top that membrane module 4 is placed in heat-sealing component 2, and packaging bag enters Packaging film roll wheel assembly 3 confirms length, and then, heat-sealing component 2 pushes down packaging bag, then cuts membrane module 4 and cuts off packaging bag, most Post heat-seal component 2 seals packaging bag, realizes automatically delivering for packaging bag, meanwhile, realize quickly cutting for packaging bag Disconnected and heat-sealing, effectively increases the working efficiency of equipment, reduces the investment of labour, wherein by cutting setting for membrane module 2 It sets, so that the cutting-off process of packaging bag is more steady, the notch of packaging bag is neat, cutting is rapid, and packaging bag has been effectively ensured Quality.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.

Claims (7)

1. a kind of automatic packaging bag forming machine, including support frame (1), it is characterised in that:It further include heat-sealing component (2), packaging film It roll wheel assembly (3) and cuts membrane module (4), the heat-sealing component (2) is installed on support frame (1), the packaging film roll wheel assembly (3) it is installed on support frame (1), is placed in the rear of heat-sealing component (2), the membrane module (4) of cutting is installed in support frame (1) On, it is placed in the top of heat-sealing component (2), the membrane module (4) of cutting includes cut-off knife (5), cuts film stepper motor (6), Slide Group Part (7) and transfer assembly (8), the transfer assembly (8) are installed on support frame (1), and the slide assemblies (7) are installed in support It on frame (1), and is sequentially connected with transfer assembly (8), the cut-off knife (5) is installed in obliquely on slide assemblies (7), described to cut film Stepper motor (6) is installed on support frame (1), and is sequentially connected with transfer assembly (8), drives transfer assembly (8) to occur with this Rotation, to drive bilateral reciprocation of the cut-off knife (5) on slide assemblies (7).
2. automatic packaging bag forming machine according to claim 1, it is characterised in that:The heat-sealing component (2) includes guiding Column (9), heat seal cylinder (10), movable plate (11), upper heat-sealing piece (12), lower heat-sealing piece (13) and upper heat-sealing piece connecting rod (14), institute It states heat-sealing piece (12) to be oppositely arranged with lower heat-sealing piece (13), and is provided with the gap passed through for packaging bag, the lower heat-sealing Piece (13) is installed on support frame (1), and the movable plate (11) is installed on support frame (1) by guide post (9), the activity Plate (11) can be oppositely oriented column (9) and slide up and down, and the upper heat-sealing piece (12) passes through upper heat-sealing piece connecting rod (14) and movable plate (11) it is connected, the heat seal cylinder (10) and movable plate (11) are sequentially connected, so that the up and down motion of movable plate (11) is driven, Pumping for upper heat-sealing piece (12) is driven with this.
3. automatic packaging bag forming machine according to claim 1, it is characterised in that:Packaging film roll wheel assembly (3) packet The first packaging film roller shaft (15), the second packaging film roller shaft (16), last item cylinder (17) and idler wheel shaft step motor (18) are included, The first packaging film roller shaft (15) and the second packaging film roller shaft (16) are installed on support frame (1), are placed in heat-sealing The rear of component (2), the first packaging film roller shaft (15) are installed in the top of the second packaging film roller shaft (16), the pressure Axis cylinder (17) and the first packaging film roller shaft (15) are sequentially connected, so that the first packaging film roller shaft (15) of driving moves downward It is in contact with the second packaging film roller shaft (16), the idler wheel shaft step motor (18) and the second packaging film roller shaft (16) are driven Connection drives the first packaging film roller shaft (15) to occur to turn so that the second packaging film roller shaft (16) of driving rotates with this It is dynamic.
4. automatic packaging bag forming machine according to claim 1, it is characterised in that:The slide assemblies (7) include sliding rail (71) it being installed on support frame (1) with sliding block (72), the sliding rail (71), the sliding block (72) is slidably connected with sliding rail (71), The cut-off knife (5) is installed in obliquely on sliding block (72), and the sliding block (72) and transfer assembly (8) are sequentially connected, described to cut film Stepper motor (6) and transfer assembly (8) are sequentially connected, and driving transfer assembly (8) rotates, thus with movable slider (72) in cunning Bilateral reciprocation on rail (71), the bilateral reciprocation of cut-off knife (5) is driven with this.
5. automatic packaging bag forming machine according to claim 4, it is characterised in that:The transfer assembly (8) includes synchronizing Band (81) and synchronizing wheel (82), the synchronizing wheel (82) are respectively installed in the left and right ends of support frame (1), the synchronous belt (81) It is set on synchronizing wheel (82), the sliding block (72) is connected with synchronous belt (81), described to cut film stepper motor (6) and synchronizing wheel (82) it is sequentially connected, so that synchronous belt (81) is driven to rotate, it is past with left and right of the movable slider (72) on sliding rail (71) with this Multiple movement, drives the bilateral reciprocation of cut-off knife (5).
6. automatic packaging bag forming machine according to claim 2, it is characterised in that:Axis is arranged on the guide post (9) Bearing sleeve cylinder (19), the bearing sleeve (19) can be oppositely oriented column (9) and slide up and down, the left and right sides point of the movable plate (11) It is not connected with corresponding bearing sleeve (19).
7. automatic packaging bag forming machine according to claim 1, it is characterised in that:Upper heat-sealing piece connecting rod (14) setting Have two, upper heat-sealing piece connecting rod (14) is separately positioned on the left and right ends of heat-sealing piece (12), and with movable plate (11) phase Connection.
CN201820336398.XU 2018-03-12 2018-03-12 Automatic packaging bag forming machine Active CN208133694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820336398.XU CN208133694U (en) 2018-03-12 2018-03-12 Automatic packaging bag forming machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820336398.XU CN208133694U (en) 2018-03-12 2018-03-12 Automatic packaging bag forming machine

Publications (1)

Publication Number Publication Date
CN208133694U true CN208133694U (en) 2018-11-23

Family

ID=64289614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820336398.XU Active CN208133694U (en) 2018-03-12 2018-03-12 Automatic packaging bag forming machine

Country Status (1)

Country Link
CN (1) CN208133694U (en)

Similar Documents

Publication Publication Date Title
CN106742365A (en) A kind of new banding formula thermal shrinking film packager
CN205293274U (en) Mattress package machine
CN104354930B (en) Automatic vegetable packer synchronizes encapsulation system
CN112238964B (en) Electronic tag packaging device
CN206455308U (en) A kind of efficient clothing cloth rag cutter
CN102717911A (en) Automatic film wrapping machine
CN204623905U (en) The two sealing mechanism of cloth
CN208133694U (en) Automatic packaging bag forming machine
CN108190147A (en) Sealed membrane punching weldering integrated device
CN205589587U (en) Quick back of body of small bag package seals packagine machine
CN205952383U (en) A an ultrasonic wave membrane device for chemical fibre spinning cake packing
CN201086835Y (en) High-speed vertical packaging machine
CN206691481U (en) A kind of Novel-sealed machine equipment
CN210149691U (en) Horizontal film packaging machine
CN213263170U (en) Sealing and cutting device for composite packaging film
CN211222289U (en) Bubble bag system bag machine
CN110182409B (en) Packaging machine and method for transporting blood transfusion bags
CN209852707U (en) Reciprocating type sealing cutter mechanism
CN207917313U (en) Sealed membrane punching weldering integrated device
CN209507200U (en) The automatic membrane connecting mechanism of automatic heat forming vacuum packing machine
CN208775137U (en) A kind of sealing-cutting device of pillow type packing machine
CN207327094U (en) Automatic correction sponge cutting machine
CN111776276A (en) Automatic packaging equipment is used in small-size toy production and processing
CN110294172A (en) Sealing-cutting device in high speed tobacco carton packaging machine
CN211919191U (en) Sealing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant