CN113715411A - Degradable environment-friendly plastic bag and preparation process thereof - Google Patents
Degradable environment-friendly plastic bag and preparation process thereof Download PDFInfo
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- CN113715411A CN113715411A CN202111048756.XA CN202111048756A CN113715411A CN 113715411 A CN113715411 A CN 113715411A CN 202111048756 A CN202111048756 A CN 202111048756A CN 113715411 A CN113715411 A CN 113715411A
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- fixedly connected
- sensitive adhesive
- pressure
- cylinder
- plastic bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/92—Delivering
- B31B70/98—Delivering in stacks or bundles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to plastic bag processing, in particular to a degradable environment-friendly plastic bag and a preparation process thereof. A preparation process of a degradable environment-friendly plastic bag comprises the following steps: s1, blowing a film on the raw material; the raw material adopts polylactic acid particles; s2, pressing and forming; s3, cutting; s4, stacking the cut plastic bags in the same direction; and S5, sticking the pressure-sensitive adhesive sticking paper to the bottom of the plastic bag to obtain the degradable environment-friendly plastic bag. The pressure-sensitive adhesive sticker comprises pressure-sensitive adhesive paper with double sticky sides and release paper attached to the pressure-sensitive adhesive paper. The purpose is to process the plastic bag which is convenient for repeated use.
Description
Technical Field
The invention relates to plastic bag processing, in particular to a degradable environment-friendly plastic bag and a preparation process thereof.
Background
The environment-friendly plastic bag is a short-term of various biodegradable plastic bags, and with the development of science and technology, various materials capable of replacing traditional PE plastics appear, including high polymer materials such as PLA, PHAs, PBA, PBS and the like, and the traditional PE plastic bag can be replaced. For example, the publication No. CN202010902446.9 discloses a method for forming and producing degradable environment-friendly plastic bags, which increases the processing efficiency and reduces the workload by equipment inspection, plastic film laying, plastic film cutting, plastic film edge sealing and plastic film removing and matching devices, but the processed plastic bags are not convenient to reuse.
Disclosure of Invention
The invention provides a degradable environment-friendly plastic bag and a preparation process thereof, and aims to process the plastic bag which is convenient to reuse.
The above purpose is realized by the following technical scheme:
a preparation process of a degradable environment-friendly plastic bag comprises the following steps:
s1, blowing a film on the raw material; the raw material adopts polylactic acid particles;
s2, pressing and forming;
s3, cutting;
s4, stacking the cut plastic bags in the same direction;
and S5, sticking the pressure-sensitive adhesive sticking paper to the bottom of the plastic bag to obtain the degradable environment-friendly plastic bag.
The pressure-sensitive adhesive sticker comprises pressure-sensitive adhesive paper with double sticky sides and release paper attached to the pressure-sensitive adhesive paper.
The pressure-sensitive adhesive paper is made of water-based degradable pressure-sensitive adhesive, and the release paper is made of kraft paper and silicone oil.
The step S5 is completed by a plastic bag preparation device which comprises a mounting frame, an electric push rod fixedly connected to the mounting frame, a connecting frame fixedly connected to the movable end of the electric push rod, a base plate fixedly connected to the lower end of the connecting frame, a connecting pipe fixedly connected to and communicated with the upper end of the base plate, a bin shell fixedly connected to the lower end of the base plate, a hose fixedly connected to and communicated with the connecting pipe, and a fan communicated with the hose; wherein the bottom of the bin shell is provided with a vent hole, and the fan is used for providing upward suction for the bin shell.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 shows a plastic bag preparing apparatus;
FIG. 3 is a detail of FIG. 2;
FIG. 4 is another perspective of FIG. 3;
FIG. 5 shows a mounting bracket;
FIGS. 6 and 7 show a base plate and a cartridge housing;
FIG. 8 shows a fan;
FIG. 9 shows the relative positions of the support rod and the cylinder I;
FIG. 10 shows a patch;
figure 11 shows the cutter position inside the fastener.
Detailed Description
A preparation process of a degradable environment-friendly plastic bag comprises the following steps:
s1, blowing a film on the raw material; the raw material adopts polylactic acid particles;
s2, pressing and forming;
s3, cutting;
s4, stacking the cut plastic bags in the same direction;
s5, paste pressure-sensitive adhesive sticker in the plastic bag bottom, as shown in FIG. 1, degradable environmental protection plastic bag includes bag body 81, banding 82 and pressure-sensitive adhesive paper 83, and the left part of bag body 81 is banding 82 of hot pressing formation, and pressure-sensitive adhesive paper 83 all has the setting at the upper and lower both ends of bag body 81, and pressure-sensitive adhesive paper 83 is close to banding 82 and sets up, pressure-sensitive adhesive sticker is the sticky pressure-sensitive adhesive paper 83 of double-sided tape to and paste the type paper on pressure-sensitive adhesive paper 83, further pressure-sensitive adhesive paper 83 adopts waterborne degradable pressure-sensitive adhesive, use kraft paper and silicon oil as the raw materials from type paper.
S5 is accomplished through a plastic bag preparation facilities, as shown in fig. 4 to 8, the preparation facilities includes mounting bracket 11, electric putter 31, link 32, base plate 33, connecting pipe 34, storehouse shell 35, fan 41 and hose 42, electric putter 31 'S casing rigid coupling is in the upper end of mounting bracket 11, electric putter 31 is used for driving link 32 to realize going up and down, wherein base plate 33 and storehouse shell 35 form the cavity, the bottom of storehouse shell 35 is equipped with evenly distributed' S ventilation hole, fan 41 produces ascending air current in order to pass through hose 42 transfer to storehouse shell 35 in and make the bottom of storehouse shell 35 produce ascending suction, wherein hose 42 can adopt the universal bamboo joint pipe of plastics material.
After the cutting process, the bag bodies 81 are usually cut continuously, the cut bag bodies 81 are stacked in a stack, specifically, the sealing edges 82 face the same direction, and the bag bodies 81 are stacked one by one, in use, the bin shell 35 is lowered, the bag bodies 81 are adsorbed, the tail parts of the adsorption position guarantee bag bodies 81 leak out of the left side of the bin shell 35, namely, the sealing edges 82 on the left side of the plastic bag are located on the left side of the bin shell 35, when the bin shell 35 adsorbs the plastic bag and then rises, the bag body 81 located on the top in the stacked bag bodies 81 is separated from the other bag bodies 81, and at the moment, the part of the bag body 81 close to the sealing edges 82 naturally sags due to no influence of the adsorption force, so that the pressure sensitive adhesive paper 83 is attached to the left end and the right end of the bag body.
As shown in fig. 9, the preparation apparatus further includes a contact portion 12, a bridging seat 51, two guide rods 52, a limiting member, a compression spring, a cylinder i 53 and a support rod 71, wherein the two guide rods 52 are respectively and fixedly connected to the upper end of the bridging seat 51, the limiting member is fixedly connected to the upper end of the guide rod 52, the compression spring is sleeved on the guide rods 52, two ends of the compression spring are respectively in contact with the limiting member and the bridging seat 51, a housing of the cylinder i 53 is fixedly connected to the right end of the bridging seat 51, a movable end of the cylinder i 53 penetrates through the bridging seat 51 from right to left, and the support rod 71 is arranged on the left side of the cylinder i 53; the supporting rod 71 can be driven to move left and right after the air cylinder I53 is started, the bottom end face of the bin shell 35 is lower than the bridging seat 51, the air cylinder I53 and the supporting rod 71, the bottom end face of the bin shell 35 is the lowest end face relative to the bottom end faces of other members which are driven by the electric push rod 31 to synchronously move with the bin shell, the limiting part can abut against the bottom of the contact part 12 after rising, and the supporting rod 71 is higher than the movable ends of the bridging seat 51 and the air cylinder I53.
When the bin shell 35 carries the bag body 81 to rise, the guide rod 52 rises and the limiting piece on the guide rod 52 supports the lower end of the contact part 12, so that the guide rod 52 cannot continue to rise, the bin shell 35 still continues to rise, then the supporting rod 71 can move to the lower part of the bin shell 35, then the air cylinder I53 is started to drive the supporting rod 71 to move leftwards, until the supporting rod 71 lifts the drooping bag body 81 part to the horizontal, so that the bag body 81 leaks out of the left part of the bin shell 35 to be positioned, the lifted bag body 81 part on the horizontal side is relatively drooping naturally, the bag body part has stability, the bag body part is not easy to shake to stick the pressure sensitive adhesive paper 83, and the positioning and sticking of the assembly line are facilitated.
As shown in fig. 10 and 11, the preparation apparatus further includes a fixing device, the fixing device includes a processing seat 61, a through opening 62, a cylinder ii 63, a circular table 64, a cutter 65, a transverse plate 66 and a winding and unwinding roller 67, the through opening 62 penetrates through the processing seat 61 from front to back, a housing of the cylinder ii 63 is fixedly connected to the lower end of the processing seat 61, a movable end of the cylinder ii 63 is disposed upward, and an upper end of the cylinder ii is fixedly connected to the circular table 64, the cutter 65 is fixedly connected to the processing seat 61, the cutter 65 is located in the through opening 62, the cutter 65 is in an annular structure, an inner ring of the cutter 65 is tangent to an outer ring of the circular table 64, the movable end of the cylinder ii 63 can penetrate through the processing seat 61 from bottom to top, the transverse plate 66 is fixedly connected to the right end of the processing seat 61, the front end and the rear end of the transverse plate 66 are respectively rotatably connected to one winding and unwinding roller 67, a tangent plane above the winding and unwinding roller 67 coincides with a central plane in height inside the through opening 62, the winding and unwinding roller 67 is driven by a micro motor, the micro motor is arranged on the transverse plate 66; a sticking device is fixedly connected to the movable end of the air cylinder I53, specifically, the processing seat 61 is fixedly connected with the movable end of the air cylinder I53, and the bottom end face of the bin shell 35 can be lower than that of the air cylinder II 63; the left end of the mounting frame 11 is fixedly connected with the plate frame 21, the plate frame 21 is fixedly connected with one sticking device, and when the other sticking device is driven by the air cylinder I53 to move leftwards, the two air cylinders I53 can be in mirror symmetry.
The strip pressure-sensitive adhesive paper 83 is wound on one winding and unwinding roller 67 on the sticking device, the pressure-sensitive adhesive paper 83 penetrates through the through opening 62 and is positioned above the circular truncated cone 64, the free end of the pressure-sensitive adhesive paper 83 is fixedly connected to the other winding and unwinding roller 67, when the winding and unwinding roller 67 rotates, the pressure-sensitive adhesive paper 83 continuously passes through the space between the cutter 65 and the circular truncated cone 64, when the supporting rod 71 lifts the bag body 81, the air cylinder II 63 is started to drive the circular truncated cone 64 to lift the pressure-sensitive adhesive paper 83 to be in contact with the cutter 65, the circular pressure-sensitive adhesive paper 83 cut off from the pressure-sensitive adhesive paper 83 is continuously lifted and adhered below the bag body 81 through the circular truncated cone 64, the air cylinder I53 on the plate frame 21 drives the circular truncated cone 64 to descend to push the circular pressure-sensitive adhesive paper 83 to fall above the bag body 81, and when the two circular truncated cones 64 are in contact with each other, the two pressure-sensitive adhesive papers 83 are tightly pressed on the bag body 81, so that firm adhesion is realized. During the use, tear from type paper on the circular shape pressure sensitive adhesive paper 83, can laminate the bottom of plastic bag and the bottom of garbage bin, when using a plastic bag repeatedly, when frequently empting the garbage bin, the bottom of plastic bag can not be along with the sticky tape of rubbish and turn over out the garbage bin down, the used repeatedly of being convenient for.
Claims (10)
1. The preparation process of the degradable environment-friendly plastic bag is characterized by comprising the following steps:
s1, blowing a film on the raw material; the raw material adopts polylactic acid particles;
s2, pressing and forming;
s3, cutting;
s4, stacking the cut plastic bags in the same direction;
and S5, sticking the pressure-sensitive adhesive sticker to the bottom of the plastic bag.
2. The manufacturing process according to claim 1, wherein the pressure-sensitive adhesive sticker comprises a pressure-sensitive adhesive paper (83) with double-sided adhesive, and a release paper stuck on the pressure-sensitive adhesive paper (83).
3. The preparation process according to claim 2, wherein the pressure-sensitive adhesive paper (83) is made of water-based degradable pressure-sensitive adhesive, and the release paper is made of kraft paper and silicone oil.
4. The manufacturing process according to claim 3, wherein the S5 is performed by a plastic bag manufacturing apparatus, the manufacturing apparatus comprises a mounting frame (11), a power-driven push rod (31) fixedly connected to the mounting frame (11), a connecting frame (32) fixedly connected to a movable end of the power-driven push rod (31), a base plate (33) fixedly connected to a lower end of the connecting frame (32), a connecting pipe (34) fixedly connected to and communicated with an upper end of the base plate (33), a housing (35) fixedly connected to a lower end of the base plate (33), a hose (42) fixedly connected to and communicated with the connecting pipe (34), and a fan (41) communicated with the hose (42); wherein the bottom of the bin shell (35) is provided with a vent hole, and the fan (41) is used for providing upward suction for the bin shell (35).
5. The preparation process according to claim 4, wherein the hose (42) is a universal bamboo joint pipe made of plastic.
6. The preparation process according to claim 5, wherein the preparation device further comprises a contact part (12) arranged on the mounting frame (11) and a bridging seat (51), the upper end of the bridging seat (51) is fixedly connected with two guide rods (52), the upper end of each guide rod (52) is fixedly connected with a limiting piece, a compression spring is sleeved on each guide rod (52), two ends of each compression spring are respectively contacted with the limiting piece and the bridging seat (51), the right end of the bridging seat (51) is fixedly connected with a cylinder I (53), and the left side of the cylinder I (53) is provided with a support rod (71); the cylinder I (53) is used for driving the supporting rod (71) to move left and right, the bottom end face of the bin shell (35) can be lower than the bridging seat (51), the cylinder I (53) and the supporting rod (71), and the limiting part can abut against the bottom of the contact part (12) after rising.
7. The preparation process according to claim 6, wherein the preparation device further comprises a fixing device, the fixing device comprises a processing seat (61), a through hole (62) is formed in the processing seat (61), a cylinder II (63) is fixedly connected to the lower end of the processing seat (61), a circular truncated cone (64) is fixedly connected to the movable end of the cylinder II (63), and a cutter (65) is fixedly connected to the processing seat (61), the cutter (65) is located in the through hole (62), the inner ring of the cutter (65) is tangent to the outer ring of the circular truncated cone (64), and the movable end of the cylinder II (63) can penetrate through the processing seat (61) from bottom to top;
wherein, the movable end of cylinder I (53) is last to install a solid ware that pastes, handles seat (61) and the movable end rigid coupling of cylinder I (53), and the bottom surface of storehouse shell (35) can be less than cylinder II (63).
8. The preparation process according to claim 7, wherein the sticking device further comprises a transverse plate (66) fixedly connected to the processing seat (61), and the front end and the rear end of the transverse plate (66) are respectively and rotatably connected with a winding and unwinding roller (67).
9. The preparation process according to claim 8, wherein a plate frame (21) is fixedly connected to the left end of the mounting frame (11), a bonding device is fixedly connected to the plate frame (21), the bonding device on the plate frame (21) can be positioned right above the other bonding device after the bin shell (35) is lifted, and the two bonding devices are in mirror symmetry.
10. The degradable environment-friendly plastic bag prepared by the preparation process of any one of claims 1 to 9 comprises a bag body (81) and pressure-sensitive adhesive paper (83) fixedly connected to the bag body (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048756.XA CN113715411B (en) | 2021-09-08 | 2021-09-08 | Degradable environment-friendly plastic bag and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048756.XA CN113715411B (en) | 2021-09-08 | 2021-09-08 | Degradable environment-friendly plastic bag and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113715411A true CN113715411A (en) | 2021-11-30 |
| CN113715411B CN113715411B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111048756.XA Active CN113715411B (en) | 2021-09-08 | 2021-09-08 | Degradable environment-friendly plastic bag and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969019A (en) * | 2023-09-25 | 2023-10-31 | 德州凯密迪化工有限公司 | Dust collector in calcium hypochlorite production |
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| CH670437A5 (en) * | 1985-10-09 | 1989-06-15 | Schaerer Emil & Co | |
| JPH06316005A (en) * | 1993-05-07 | 1994-11-15 | Yamagata Gravure:Kk | Manufacture of bag having handle |
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| CN106046490A (en) * | 2016-06-29 | 2016-10-26 | 惠州市恒兴达再生资源有限公司 | Easily-degradable environment-friendly plastic bag and preparation method thereof |
| CN206218338U (en) * | 2016-11-24 | 2017-06-06 | 湖南追一智能机械有限公司 | Lift closure system in longitudinal direction |
| JP2017197234A (en) * | 2016-04-28 | 2017-11-02 | キヤノン株式会社 | Bag supply method and bag supply device |
| CN107777177A (en) * | 2016-08-30 | 2018-03-09 | 章红忠 | A kind of bilayer film type refuse bag |
| CN108888509A (en) * | 2018-07-20 | 2018-11-27 | 毛燕娜 | A kind of medical bottleneck patch and its Rapid pasting device |
| CN212046341U (en) * | 2019-12-18 | 2020-12-01 | 辛格顿(常州)新材料科技有限公司 | Pressure-sensitive adhesive laminating device |
| CN113263779A (en) * | 2021-07-05 | 2021-08-17 | 于秀滨 | A compression fittings for rice bag hand is buckled |
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2021
- 2021-09-08 CN CN202111048756.XA patent/CN113715411B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH670437A5 (en) * | 1985-10-09 | 1989-06-15 | Schaerer Emil & Co | |
| JPH06316005A (en) * | 1993-05-07 | 1994-11-15 | Yamagata Gravure:Kk | Manufacture of bag having handle |
| JP2017197234A (en) * | 2016-04-28 | 2017-11-02 | キヤノン株式会社 | Bag supply method and bag supply device |
| CN105856631A (en) * | 2016-06-21 | 2016-08-17 | 胡承平 | Plastic bag sealing strip mounting equipment |
| CN106046490A (en) * | 2016-06-29 | 2016-10-26 | 惠州市恒兴达再生资源有限公司 | Easily-degradable environment-friendly plastic bag and preparation method thereof |
| CN107777177A (en) * | 2016-08-30 | 2018-03-09 | 章红忠 | A kind of bilayer film type refuse bag |
| CN206218338U (en) * | 2016-11-24 | 2017-06-06 | 湖南追一智能机械有限公司 | Lift closure system in longitudinal direction |
| CN108888509A (en) * | 2018-07-20 | 2018-11-27 | 毛燕娜 | A kind of medical bottleneck patch and its Rapid pasting device |
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| CN113263779A (en) * | 2021-07-05 | 2021-08-17 | 于秀滨 | A compression fittings for rice bag hand is buckled |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969019A (en) * | 2023-09-25 | 2023-10-31 | 德州凯密迪化工有限公司 | Dust collector in calcium hypochlorite production |
| CN116969019B (en) * | 2023-09-25 | 2023-11-28 | 德州凯密迪化工有限公司 | Dust collector in calcium hypochlorite production |
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|---|---|
| CN113715411B (en) | 2023-07-07 |
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