CN114541178A - Method and equipment for manufacturing water-resistant bobbin paper - Google Patents
Method and equipment for manufacturing water-resistant bobbin paper Download PDFInfo
- Publication number
- CN114541178A CN114541178A CN202210177625.XA CN202210177625A CN114541178A CN 114541178 A CN114541178 A CN 114541178A CN 202210177625 A CN202210177625 A CN 202210177625A CN 114541178 A CN114541178 A CN 114541178A
- Authority
- CN
- China
- Prior art keywords
- paper
- water
- waterproof
- bobbin paper
- paper pulp
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 11
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 62
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000012216 screening Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 15
- 239000010902 straw Substances 0.000 claims abstract description 8
- 239000010893 paper waste Substances 0.000 claims abstract description 5
- 241000609240 Ambelania acida Species 0.000 claims abstract description 4
- 239000010905 bagasse Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 239000000123 paper Substances 0.000 claims description 78
- 239000000463 material Substances 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- 238000010422 painting Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 3
- 229920001821 foam rubber Polymers 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 5
- 239000007787 solid Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 13
- 239000011241 protective layer Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a manufacturing method and manufacturing equipment of water-resistant bobbin paper, relating to the technical field of paper production, wherein the manufacturing method of the water-resistant bobbin paper comprises the following steps: s1, preparing paper pulp; s2, screening and removing the blocky paper pulp; s3, final molding treatment; s4, performing waterproof treatment on the outer surface, wherein the S1 further comprises the following steps: step A1: raw materials such as waste paper to be processed, straws, bagasse and the like are sequentially added into a crusher. According to the invention, the waterproof emulsion and the waterproof wax coating are prepared in advance, and then the waterproof emulsion and the waterproof wax coating are sequentially coated on the outer surface of the bobbin paper, so that a double-layer waterproof layer can be formed on the outer surface of the bobbin paper, and the waterproof emulsion and the waterproof wax coating can form a complete protective layer on the outer wall of the bobbin paper to separate water molecule groups, so that the water molecule groups cannot penetrate through the waterproof layer to contact with the bobbin paper, and further the waterproof function is achieved, the water resistance of the bobbin paper is improved, and the service life of a bobbin paper product is prolonged.
Description
Technical Field
The invention relates to a manufacturing method and manufacturing equipment of bobbin paper, relates to the technical field of paper production, and particularly relates to a manufacturing method and manufacturing equipment of water-resistant bobbin paper.
Background
The bobbin paper is mainly applied to the manufacture of inner cores and pipelines, industrial pipes, mulching film pipes, firework pipes, textile pipes, spiral pipes, cone pipes, parallel pipes, various paper corner protectors, paper boxes, honeycomb paperboards and the like, and is an industrial paper special for manufacturing paper bobbins and conical paper tubes in the textile industry. The following problems exist in the prior art:
1. the existing bobbin paper has poor water resistance, and if water stains splash on the surface of the bobbin paper product, the water stains can be absorbed by the bobbin paper product within a short time, so that the bobbin paper product is deformed and damaged, and the service life of the bobbin paper product is influenced;
2. the existing bobbin paper manufacturing equipment does not have the function of automatically coating the surface of the bobbin paper, when waterproof materials are added to the surface of the bobbin paper, workers still need to manually utilize a coating roller to coat the waterproof materials, so that the labor consumption is increased, the condition of uneven coating is also caused, and the improvement is needed.
Disclosure of Invention
The invention provides a manufacturing method and manufacturing equipment of water-resistant bobbin paper, which aims to have the function of improving the water resistance of the bobbin paper and solve the problem that the bobbin paper product is easily damaged due to water stain; wherein another purpose is in order to solve the manual work and scribble the problem that can lead to manpower consumption to promote to reach the effect that can scribble waterproof material automatically.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a method for producing water-resistant bobbin paper, comprising the steps of:
s1, preparing paper pulp;
s2, screening and removing the blocky paper pulp;
s3, final molding treatment;
and S4, performing outer surface waterproofing treatment.
Further: the step of S1 further includes:
step A1: sequentially adding raw materials such as waste paper, straws and bagasse to be processed into a crusher, then controlling the crusher to operate, setting the crushing time to be 3MIN, and completing the crushing treatment of the raw materials;
step A2: then, the crushed raw materials are subjected to air blowing separation treatment by using an air channel impurity removal device, and impurities with lighter internal weight of the raw materials are blown out;
step A3: then add the raw materials to the inside of regularly separating the stirring pond, according to 1: 1, injecting tap water in proportion, standing for 2 hours, stirring the raw materials every 20 minutes in the standing process, wherein the stirring time is set to 1MIN, so that impurities such as metal and the like in the raw materials, which are heavy in weight, can be precipitated and separated;
step A4: and finally, moving the mixture to the interior of a refiner, grinding the mixture into paper pulp through the operation of the refiner, and filtering out part of water in the paper pulp so that the ratio of the water to the raw materials is 1: about 3.5, namely completing the preparation of the paper pulp.
Further: the step of S2 further includes:
step B1: adding paper pulp into the vibrating screening device, controlling the vibrating screening device to work, and screening the completely crushed paper pulp to the next stage, wherein the blocky paper pulp is remained in the vibrating screening device;
step B2: then the blocky paper pulp in the vibration screening device is fished out and stored in the material box, and the blocky paper pulp is added into the crusher together with the straw and other raw materials when the next processing is carried out, so that the blocky paper pulp is recycled.
Further: the step of S3 further includes:
step C1: firstly, paper pulp is flatly laid on the top of an extrusion table, water in the paper pulp is extruded out by using an extrusion roller, and then the paper pulp is rolled and extruded on the top of the paper pulp by using a printing roller, so that the paper pulp is processed into bobbin paper;
step C2: then, drying the bobbin paper by using a drying device;
step C3: and then, cutting the overflowing part at the edge of the bobbin paper by using the cutting device, recycling the cut materials, and finally controlling the winding device to work to wind and store the bobbin paper.
Further: the step of S4 further includes:
step D1: preparing a waterproof emulsion: adding 62 wt% of PFA plastic, 5 wt% of polytetrafluoroethylene and 8 wt% of polyurethane into a high-temperature mixing stirrer at the same time, setting the internal temperature of the high-temperature mixing stirrer to be 80 +/-10 ℃ for working, setting the stirring time to be 20MIN, adding 9 wt% of purified water and 1 wt% of glycerol emulsifier after the mixed material is cooled to room temperature for mixing, finishing mixing after 10MIN, finally adding 7 wt% of dimethyl siloxane, 5 wt% of fluorinated polyethylene and 3 wt% of fluorocarbon wax into the high-temperature mixing stirrer, controlling the mixing time to be 10MIN and the mixing temperature to be 50 +/-5 ℃, and finishing the preparation of waterproof emulsion;
step D2: preparing waterproof wax coating: sequentially adding 40 wt% of low-density OPE wax, 40 wt% of polyethylene, 12 wt% of emulsified asphalt, 5 wt% of epoxy resin and 3 wt% of rosin into a temperature-controlled smashing mixer, controlling the internal temperature to be 55 +/-2 ℃, and setting the stirring time to be 15MIN, so as to obtain the waterproof wax;
step D3: and (3) sequentially coating the waterproof emulsion and the waterproof coating wax on the outer surface of the bobbin paper, namely finishing the waterproof treatment of the bobbin paper.
In a second aspect, the invention further provides manufacturing equipment of water-resistant bobbin paper, which comprises a painting treatment box body, wherein a fixed support is fixedly mounted on the left side of the painting treatment box body, a winding support is fixedly mounted on the right side of the painting treatment box body, a winding motor is fixedly mounted on the front side of the winding support, guide frames are fixedly mounted on two sides of the painting treatment box body, the top of each guide frame is rotatably connected with a guide roller, a liquid storage cylinder is fixedly mounted on the top of the painting treatment box body, an automatic painting mechanism is arranged on the left side of the liquid storage cylinder and comprises an extraction pump, the extraction pump is fixedly mounted on the left side of the liquid storage cylinder, an input pipe of the extraction pump is fixedly connected with the left side of the liquid storage cylinder, a splitter plate is fixedly mounted on the back side of the inner cavity of the painting treatment box body, an output pipe of the extraction pump extends into the inner cavity of the painting treatment box body and is fixedly connected with the top of the splitter plate, the front side of the flow distribution plate is detachably connected with a flow distribution rod, an overflow discharge receiving mechanism is arranged in an inner cavity of the smearing treatment box body and comprises a closed frame, the closed frame is fixedly installed in the inner cavity of the smearing treatment box body, the bottom of the closed frame is fixedly connected with a collecting hopper, a polyethylene layer is arranged on the inner wall of the collecting hopper, and a fixing cylinder is fixedly installed at the bottom of the collecting hopper.
The technical scheme of the invention is further improved as follows: the conveying cavity is formed in the branch rod, an extension hose is fixedly connected to the bottom of the branch rod, a hollow rubber pipe is fixedly connected to the bottom of the extension hose, a sponge cushion is fixedly mounted at the bottom of the hollow rubber pipe, and a liquid outlet hole is formed in the bottom of the hollow rubber pipe.
The technical scheme of the invention is further improved as follows: the bottom fixed mounting of a fixed cylinder has the separation motor, the bottom fixedly connected with that collects the fill is located the rotation connecting seat of a fixed cylinder inner chamber, the bottom of rotating the connecting seat is rotated and is connected with the revolving drum, the output shaft of separation motor extends to in the inner chamber of a fixed cylinder with the fixed welding in bottom of revolving drum, the left side dismantlement formula of a fixed cylinder is connected with movable door plant.
The technical scheme of the invention is further improved as follows: the bottom dismantlement formula of a fixed section of thick bamboo has the recovery container, fixedly connected with extension pipe on the outer wall of a rotatory section of thick bamboo, the left side fixed mounting of extension pipe has vertical filter plate, the bottom threaded connection of extension pipe has the connecting pipe, the bottom fixedly connected with residue of connecting pipe keeps in a section of thick bamboo, the bottom fixed mounting that the residue kept in a section of thick bamboo has horizontal filter plate.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a manufacturing method and manufacturing equipment of water-resistant bobbin paper, which are characterized in that waterproof emulsion and waterproof coating wax are prepared in advance, then the waterproof emulsion and the waterproof coating wax are sequentially coated on the outer surface of the bobbin paper, a double-layer waterproof layer can be formed on the outer surface of the bobbin paper, and the waterproof emulsion and the waterproof coating wax can form a complete protective layer on the outer wall of the bobbin paper to block water molecule groups so that the water molecule groups cannot penetrate through the waterproof layer to contact with the bobbin paper, thereby achieving the waterproof function, improving the water resistance of the bobbin paper and prolonging the service life of the bobbin paper product.
2. The invention provides a manufacturing method and manufacturing equipment of water-resistant bobbin paper, which adopts the combination of an extraction pump machine, a flow distribution plate, a conveying cavity, a hollow rubber tube and a liquid outlet leak hole to control the operation of the extraction pump machine, can convey a waterproof material in the inner cavity of a liquid storage cylinder into the inner cavity of the flow distribution plate through an output tube, transfer the waterproof material into the inner cavity of the conveying cavity, enter the inner cavity of the hollow rubber tube through an extension hose, finally permeate into the liquid outlet leak hole through a sponge cushion, and be uniformly coated on the surface of the bobbin paper through the liquid outlet leak hole, thereby realizing the function of automatically coating the waterproof material, reducing the physical consumption of workers, improving the convenience of the device, improving the coating uniformity and increasing the waterproof effect of the bobbin paper.
3. The invention provides a manufacturing method and manufacturing equipment of water-resistant bobbin paper, which are characterized in that paper pulp is added into a vibration screening device, then the vibration screening device is controlled to work, the completely crushed paper pulp can be screened to the next stage, blocky paper pulp is promoted to be remained in the vibration screening device, and the function of separating the blocky paper pulp in the paper pulp is completed, so that the problem that the quality of the bobbin paper is influenced in the forming process of the blocky paper pulp is avoided, the production qualification rate of the bobbin paper is improved, then the blocky paper pulp in the vibration screening device is fished out and stored in a material box, and the blocky paper pulp and straw and other raw materials are added into the crusher together when the paper pulp is processed next time, so that the blocky paper pulp is recycled, the waste of the raw materials is reduced, and the production cost of the bobbin paper is reduced.
4. The invention provides a manufacturing method and manufacturing equipment of water-resistant bobbin paper, which adopt the combination of a closed frame, a collection hopper, a separation motor, an extension pipe and a vertical filter plate, can collect waterproof materials overflowing from the surface of the bobbin paper through the design of the closed frame and the collection hopper, enable the waterproof materials to flow into an inner cavity of a rotary cylinder, control the separation motor to work to drive the materials to rotate after the overflowing materials are accumulated to a certain amount, the materials can enter the inner cavity of the extension pipe under the action of centrifugal force, then filter paper scraps in the waterproof materials into the inner cavity of the extension pipe through the vertical filter plate, and enable the filtered waterproof materials to flow into an inner cavity of a recovery container, so that the waterproof materials can be recycled, the waste of the materials is reduced, and the environmental protection performance of the device is improved.
Drawings
FIG. 1 is a process flow diagram for manufacturing water resistant bobbin paper in accordance with the present invention;
FIG. 2 is a schematic structural diagram of the manufacturing equipment of the water-resistant bobbin paper;
FIG. 3 is a schematic view of the internal structure of the smearing treatment tank according to the present invention;
FIG. 4 is a schematic cross-sectional view of a branch bar of the present invention;
FIG. 5 is a schematic view of the internal structure of the fixing cylinder according to the present invention;
fig. 6 is a schematic view of the internal structure of the extension pipe of the present invention.
In the figure: 1. smearing a treatment box body; 11. a guide frame; 12. a guide roller; 2. fixing a bracket; 3. winding a support; 4. a winding motor; 5. a liquid storage cylinder;
6. an automatic smearing mechanism; 61. a pump extractor; 62. a flow distribution plate; 63. branch rods are arranged; 631. a delivery lumen; 632. an extension hose; 633. a hollow rubber tube; 634. a sponge cushion; 635. liquid outlet holes;
7. an overflow discharge receiving mechanism; 71. sealing the frame; 72. a collecting hopper; 721. a polyethylene layer; 722. a fixed cylinder; 723. a movable door panel; 724. rotating the connecting seat; 725. a rotary drum; 726. separating the motor; 727. an extension pipe; 7271. a vertical filter plate; 7272. a connecting pipe; 7273. a residue temporary storage cylinder; 7274. horizontal filter plates.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
In a first aspect, as shown in fig. 1 to 6, the present invention provides a method for manufacturing water resistant bobbin paper, comprising the steps of:
s1, preparing paper pulp, specifically:
step A1: sequentially adding raw materials such as waste paper, straws and bagasse to be processed into a crusher, then controlling the crusher to operate, setting the crushing time to be 3MIN, and completing the crushing treatment of the raw materials;
step A2: then, the crushed raw materials are subjected to air blowing separation treatment by using an air channel impurity removal device, and impurities with lighter internal weight of the raw materials are blown out;
step A3: then add the raw materials to the inside of regularly separating the stirring pond, according to 1: 1, injecting tap water in proportion, standing for 2 hours, stirring the raw materials every 20 minutes in the standing process, wherein the stirring time is set to 1MIN, so that impurities such as metal and the like in the raw materials, which are heavy in weight, can be precipitated and separated;
step A4: and finally, moving the mixture to the interior of a refiner, grinding the mixture into paper pulp through the operation of the refiner, and filtering out part of water in the paper pulp so that the ratio of the water to the raw materials is 1: 3.5 or so, namely completing the preparation of the paper pulp;
s2, screening and removing the blocky paper pulp, which specifically comprises the following steps:
step B1: adding paper pulp into the vibrating screening device, controlling the vibrating screening device to work, and screening the completely crushed paper pulp to the next stage, wherein the blocky paper pulp is reserved in the vibrating screening device to complete the function of separating the blocky paper pulp in the paper pulp, so that the problem that the quality of bobbin paper is influenced in the forming process of the blocky paper pulp is avoided;
step B2: then, the massive paper pulp in the vibration screening device is fished out and stored in the material box, and is added into the crusher together with raw materials such as straws and the like when next processing is carried out, so that the massive paper pulp is recycled, the waste of the raw materials is reduced, and the production cost of bobbin paper is reduced;
s3, final molding treatment, specifically:
step C1: firstly, paper pulp is flatly laid on the top of an extrusion table, water in the paper pulp is extruded out by using an extrusion roller, and then the paper pulp is rolled and extruded on the top of the paper pulp by using a printing roller, so that the paper pulp is processed into bobbin paper;
step C2: then, drying the bobbin paper by using a drying device;
step C3: then, cutting off the overflowing part at the edge of the bobbin paper by using a cutting device, recycling the cut materials, and finally controlling a winding device to work to wind and store the bobbin paper;
s4, performing outer surface waterproof treatment, specifically:
step D1: preparing a waterproof emulsion: adding 62 wt% of PFA plastic, 5 wt% of polytetrafluoroethylene and 8 wt% of polyurethane into a high-temperature mixing stirrer at the same time, setting the internal temperature of the high-temperature mixing stirrer to be 80 +/-10 ℃ for working, setting the stirring time to be 20MIN, adding 9 wt% of purified water and 1 wt% of glycerol emulsifier after the mixed material is cooled to room temperature for mixing, finishing mixing after 10MIN, finally adding 7 wt% of dimethyl siloxane, 5 wt% of fluorinated polyethylene and 3 wt% of fluorocarbon wax into the high-temperature mixing stirrer, controlling the mixing time to be 10MIN and the mixing temperature to be 50 +/-5 ℃, and finishing the preparation of waterproof emulsion;
step D2: preparing waterproof wax coating: sequentially adding 40 wt% of low-density OPE wax, 40 wt% of polyethylene, 12 wt% of emulsified asphalt, 5 wt% of epoxy resin and 3 wt% of rosin into a temperature-controlled smashing mixer, controlling the internal temperature to be 55 +/-2 ℃, and setting the stirring time to be 15MIN, so as to obtain the waterproof wax;
step D3: waterproof emulsion and waterproof coating wax are sequentially coated on the outer surface of the bobbin paper, so that waterproof treatment of the bobbin paper is finished, a double-layer waterproof layer can be formed on the outer surface of the bobbin paper, water molecule groups are separated, the water molecule groups cannot pass through the waterproof layer to be contacted with the bobbin paper, and a waterproof function is further achieved.
Example 2
In a second aspect, as shown in fig. 1 to 6, the invention further provides a manufacturing apparatus of water-resistant bobbin paper, which comprises a painting processing box 1, wherein a fixed support 2 is fixedly installed on the left side of the painting processing box 1, a rolling support 3 is fixedly installed on the right side of the painting processing box 1, a rolling motor 4 is fixedly installed on the front side of the rolling support 3, guide frames 11 are fixedly installed on both sides of the painting processing box 1, a guide roller 12 is rotatably connected to the top of each guide frame 11, a liquid storage cylinder 5 is fixedly installed on the top of the painting processing box 1, an automatic painting mechanism 6 is arranged on the left side of the liquid storage cylinder 5, the automatic painting mechanism 6 comprises an extraction pump 61, the extraction pump 61 is fixedly installed on the left side of the liquid storage cylinder 5, an input pipe of the extraction pump 61 is fixedly connected to the left side of the liquid storage cylinder 5, a flow distribution plate 62 is fixedly installed on the back side of an inner cavity of the painting processing box 1, the output tube of the extraction pump 61 extends to the inner cavity of the smearing treatment box 1 and is fixedly connected with the top of the flow distribution plate 62, the front surface of the flow distribution plate 62 is detachably connected with the flow distribution rod 63, the overflow discharge receiving mechanism 7 is arranged in the inner cavity of the smearing treatment box 1, the overflow discharge receiving mechanism 7 comprises a closed frame 71, the closed frame 71 is fixedly installed in the inner cavity of the smearing treatment box 1, the bottom of the closed frame 71 is fixedly connected with a collection hopper 72, a polyethylene layer 721 is arranged on the inner wall of the collection hopper 72, and a fixing cylinder 722 is fixedly installed at the bottom of the collection hopper 72.
The suction pump 61 is controlled to work, the waterproof material in the inner cavity of the liquid storage cylinder 5 can be conveyed to the inner cavity of the flow distribution plate 62 through the output pipe, the waterproof material overflowing from the surface of the bobbin paper can be collected through the design of the closed frame 71 and the collection hopper 72, and the smoothness of the inner wall of the collection hopper 72 can be improved due to the addition of the polyethylene layer 721.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 2, the present invention provides a technical solution: preferably, the delivery cavity 631 is provided in the branch rod 63, the extension hose 632 is fixedly connected to the bottom of the branch rod 63, the hollow rubber tube 633 is fixedly connected to the bottom of the extension hose 632, the sponge pad 634 is fixedly mounted at the bottom of the hollow rubber tube 633, and the liquid outlet hole 635 is provided at the bottom of the hollow rubber tube 633.
The bottom of the fixed cylinder 722 is fixedly provided with a separation motor 726, the bottom of the collecting hopper 72 is fixedly connected with a rotary connecting seat 724 positioned in the inner cavity of the fixed cylinder 722, the bottom of the rotary connecting seat 724 is rotatably connected with a rotary cylinder 725, the output shaft of the separation motor 726 extends into the inner cavity of the fixed cylinder 722 and is fixedly welded with the bottom of the rotary cylinder 725, and the left side of the fixed cylinder 722 is detachably connected with a movable door plate 723.
The bottom dismantlement formula of fixed section of thick bamboo 722 has the recovery container, fixedly connected with extension tube 727 on the outer wall of rotatory section of thick bamboo 725, the left side fixed mounting of extension tube 727 has vertical filter plate 7271, the bottom threaded connection of extension tube 727 has connecting pipe 7272, the bottom fixedly connected with residue of connecting pipe 7272 keeps in a section of thick bamboo 7273, the bottom fixed mounting of residue keep in a section of thick bamboo 7273 has horizontal filter plate 7274.
When overflowing the material and depositing up to certain quantity after, control separation motor 726 work and drive the material and rotate, the material can get into the inner chamber of extension pipe 727 under the effect of centrifugal force, then through vertical filter plate 7271 with the inside wastepaper filtering of waterproof material in the inner chamber of extension pipe 727, waterproof material after the filtration can flow in the inner chamber of recovery container, accomplish the recycle to waterproof material promptly, the waterproof material in the transport chamber 631 inner chamber can get into the inner chamber of hollow rubber tube 633 through extension hose 632, finally permeate the inside of liquid leak hole 635 through foam-rubber cushion 634, by the even surface of scribbling to the spool paper of liquid leak hole 635, realize the automatic function of scribbling waterproof material.
The operation of the method and apparatus for producing water-resistant bobbin paper will be described in detail below.
As shown in fig. 1-6, when in use, waterproof material is added into the inner cavity of the liquid storage cylinder 5 in advance, the bobbin paper mounting roller to be coated is arranged at the inner side of the fixed bracket 2, then the wind-up roll is arranged at the inner side of the wind-up support 3, the end part of the bobbin paper passes through the inner cavity of the smearing treatment box body 1 and is fixedly connected to the wind-up roll at the inner side of the wind-up support 3, the wind-up motor 4 is controlled to work, can drive the bobbin paper to transfer, simultaneously control the pumping pump machine 61 to work, pump the waterproof material in the inner cavity of the liquid storage cylinder 5, then the water is sprayed out from the bottom of the hollow rubber tube 633 and is evenly coated on the surface of the bobbin paper through the liquid outlet hole 635, the overflowed waterproof material can be collected through the closed frame 71 and the collecting hopper 72, and then the separation motor 726 is controlled to match with the vertical filter plate 7271 to filter the waterproof material, so as to recover the overflowing material.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (9)
1. A method for manufacturing water-resistant bobbin paper, which is characterized in that: the manufacturing method of the water-resistant bobbin paper comprises the following steps:
s1, preparing paper pulp;
s2, screening and removing the blocky paper pulp;
s3, final molding treatment;
and S4, performing outer surface waterproofing treatment.
2. The method for producing a water-resistant bobbin paper according to claim 1, characterized in that: the step of S1 further includes:
step A1: sequentially adding raw materials such as waste paper, straws and bagasse to be processed into a crusher, then controlling the crusher to operate, setting the crushing time to be 3MIN, and completing the crushing treatment of the raw materials;
step A2: then, the crushed raw materials are subjected to blowing separation treatment by using an air channel impurity removal device, and impurities with lighter internal mass of the raw materials are blown out;
step A3: then add the raw materials to the inside of regularly separating the stirring pond, according to 1: 1, injecting tap water in proportion, standing for 2 hours, stirring the raw materials every 20 minutes in the standing process, wherein the stirring time is set to 1MIN, so that impurities such as metal and the like in the raw materials, which are heavy in weight, can be precipitated and separated;
step A4: and finally, moving the mixture to the interior of a refiner, grinding the mixture into paper pulp through the operation of the refiner, and filtering out part of water in the paper pulp so that the ratio of the water to the raw materials is 1: about 3.5, namely completing the preparation of the paper pulp.
3. The method for producing a water-resistant bobbin paper according to claim 1, characterized in that: the step of S2 further includes:
step B1: adding paper pulp into the vibrating screening device, controlling the vibrating screening device to work, and screening the completely crushed paper pulp to the next stage, wherein the blocky paper pulp is remained in the vibrating screening device;
step B2: then the blocky paper pulp in the vibration screening device is fished out and stored in the material box, and the blocky paper pulp is added into the crusher together with the straw and other raw materials when the next processing is carried out, so that the blocky paper pulp is recycled.
4. The method for producing a water-resistant bobbin paper according to claim 1, characterized in that: the step of S3 further includes:
step C1: firstly, paper pulp is flatly laid on the top of an extrusion table, water in the paper pulp is extruded out by using an extrusion roller, and then the paper pulp is rolled and extruded on the top of the paper pulp by using a printing roller, so that the paper pulp is processed into bobbin paper;
step C2: then, drying the bobbin paper by using a drying device;
step C3: and then, cutting the overflowing part at the edge of the bobbin paper by using the cutting device, recycling the cut materials, and finally controlling the winding device to work to wind and store the bobbin paper.
5. The method for producing a water-resistant bobbin paper according to claim 1, characterized in that: the step of S4 further includes:
step D1: preparing a waterproof emulsion: adding 62 wt% of PFA plastic, 5 wt% of polytetrafluoroethylene and 8 wt% of polyurethane into a high-temperature mixing stirrer at the same time, setting the internal temperature of the high-temperature mixing stirrer to be 80 +/-10 ℃ for working, setting the stirring time to be 20MIN, adding 9 wt% of purified water and 1 wt% of glycerol emulsifier after the mixed material is cooled to room temperature for mixing, finishing mixing after 10MIN, finally adding 7 wt% of dimethyl siloxane, 5 wt% of fluorinated polyethylene and 3 wt% of fluorocarbon wax into the high-temperature mixing stirrer, controlling the mixing time to be 10MIN and the mixing temperature to be 50 +/-5 ℃, and finishing the preparation of waterproof emulsion;
step D2: preparing waterproof wax coating: sequentially adding 40 wt% of low-density OPE wax, 40 wt% of polyethylene, 12 wt% of emulsified asphalt, 5 wt% of epoxy resin and 3 wt% of rosin into a temperature-controlled smashing mixer, controlling the internal temperature to be 55 +/-2 ℃, and setting the stirring time to be 15MIN, so as to obtain the waterproof wax;
step D3: and (3) sequentially coating the waterproof emulsion and the waterproof coating wax on the outer surface of the bobbin paper, namely finishing the waterproof treatment of the bobbin paper.
6. A manufacturing equipment of water-resistant bobbin paper, which comprises a coating processing box body (1) and is used for assisting the manufacturing method of the water-resistant bobbin paper of the claims 1-5 to be successfully realized, and is characterized in that: the left side fixed mounting who paints processing box (1) has fixed bolster (2), the right side fixed mounting who paints processing box (1) has rolling support (3), the positive fixed mounting of rolling support (3) has rolling motor (4), the equal fixed mounting in both sides of painting processing box (1) has leading truck (11), the top of leading truck (11) is rotated and is connected with guide roll (12), the top fixed mounting who paints processing box (1) has liquid storage barrel (5), the left side of liquid storage barrel (5) is provided with automatic smearing mechanism (6), automatic smearing mechanism (6) include extraction pump machine (61), extraction pump machine (61) fixed mounting is in the left side of liquid storage barrel (5), the input tube of extraction pump machine (61) and the left side fixed connection of liquid storage barrel (5), flow distribution plate (62) fixed mounting is at the back of painting processing box (1) inner chamber, the output tube of extraction pump machine (61) extends to and paints in the inner chamber of handling box (1) with the top fixed connection of flow distribution plate (62), the positive dismantlement formula of flow distribution plate (62) is connected with branch pole (63), paint and be provided with excessive ejection of compact receiving mechanism (7) in the inner chamber of handling box (1), excessive ejection of compact receiving mechanism (7) are including sealing frame (71), sealing frame (71) fixed mounting is in smearing the inner chamber of handling box (1), the bottom fixedly connected with of sealing frame (71) collects fill (72), it is provided with polyethylene layer (721) on the inner wall of fighting (72) to collect, the bottom fixed mounting who fights (72) collects has a solid fixed cylinder (722).
7. The apparatus for manufacturing water resistant bobbin paper according to claim 6, characterized in that: divide the inside of branch (63) to seted up and carry chamber (631), the bottom fixedly connected with who divides branch (63) extends hose (632), extend the hollow rubber tube (633) of bottom fixedly connected with of hose (632), the bottom fixed mounting of hollow rubber tube (633) has foam-rubber cushion (634), go out liquid weeping hole (635) have been seted up to the bottom of hollow rubber tube (633).
8. The apparatus for manufacturing water resistant bobbin paper according to claim 6, characterized in that: the bottom fixed mounting of a fixed section of thick bamboo (722) has separation motor (726), the bottom fixedly connected with that gathers fill (72) is located rotation connecting seat (724) of a fixed section of thick bamboo (722) inner chamber, the bottom of rotating connecting seat (724) is rotated and is connected with rotatory section of thick bamboo (725), the output shaft of separation motor (726) extends to in the inner chamber of a fixed section of thick bamboo (722) with the bottom fixed welding of rotatory section of thick bamboo (725), the left side dismantlement formula of a fixed section of thick bamboo (722) is connected with movable door board (723).
9. The apparatus for manufacturing water resistant bobbin paper according to claim 8, characterized in that: the bottom dismantlement formula of fixed section of thick bamboo (722) has the recovery vessel, fixedly connected with extension pipe (727) on the outer wall of rotatory section of thick bamboo (725), the left side fixed mounting of extension pipe (727) has vertical filter plate (7271), the bottom threaded connection of extension pipe (727) has connecting pipe (7272), the bottom fixedly connected with residue of connecting pipe (7272) keeps in a section of thick bamboo (7273), the bottom fixed mounting of residue keep in a section of thick bamboo (7273) has horizontal filter plate (7274).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210177625.XA CN114541178B (en) | 2022-02-25 | 2022-02-25 | Method and equipment for manufacturing water-resistant bobbin paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210177625.XA CN114541178B (en) | 2022-02-25 | 2022-02-25 | Method and equipment for manufacturing water-resistant bobbin paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114541178A true CN114541178A (en) | 2022-05-27 |
| CN114541178B CN114541178B (en) | 2023-04-14 |
Family
ID=81679448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210177625.XA Active CN114541178B (en) | 2022-02-25 | 2022-02-25 | Method and equipment for manufacturing water-resistant bobbin paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114541178B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1678703A (en) * | 2002-07-25 | 2005-10-05 | 生物点公司 | Method of treating a surface, coating compositions and use thereof and coated surfaces obtainable by the use |
| CN202517790U (en) * | 2012-03-27 | 2012-11-07 | 连云港市兴安机械制造有限公司 | External packaging paper board of chemical product |
| CN104250943A (en) * | 2014-08-14 | 2014-12-31 | 唐山市天正实业有限公司 | Process and corresponding system for manufacturing bobbin paper |
| CN204162949U (en) * | 2014-10-17 | 2015-02-18 | 昆山联江发纸业有限公司 | Cop tube paper coating machine |
| CN105220556A (en) * | 2014-06-11 | 2016-01-06 | 怀宁县宝友工贸有限公司 | A kind of production technology of waterproof paper bag |
| CN106381737A (en) * | 2016-08-31 | 2017-02-08 | 浙江兴舟纸业有限公司 | Manufacturing process of high-strength bobbin paper |
| CN108166307A (en) * | 2018-01-17 | 2018-06-15 | 辽宁兴东科技有限公司 | The preparation method of cop tube paper and boxboard |
| CN208136627U (en) * | 2018-04-23 | 2018-11-23 | 浙江兴舟纸业有限公司 | A kind of water resistance cop tube paper manufacturing equipment |
| CN209937924U (en) * | 2019-04-11 | 2020-01-14 | 海安县金鑫纸业有限公司 | Industrial bobbin paper |
| CN110820413A (en) * | 2019-09-27 | 2020-02-21 | 义乌市义南纸业有限公司 | Wear-resistant waterproof bobbin paper and preparation method thereof |
| CN215390487U (en) * | 2021-08-01 | 2022-01-04 | 广东华泰纸业有限公司 | Bobbin paper gluing device capable of controlling gluing surface of bobbin paper strip |
-
2022
- 2022-02-25 CN CN202210177625.XA patent/CN114541178B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1678703A (en) * | 2002-07-25 | 2005-10-05 | 生物点公司 | Method of treating a surface, coating compositions and use thereof and coated surfaces obtainable by the use |
| CN202517790U (en) * | 2012-03-27 | 2012-11-07 | 连云港市兴安机械制造有限公司 | External packaging paper board of chemical product |
| CN105220556A (en) * | 2014-06-11 | 2016-01-06 | 怀宁县宝友工贸有限公司 | A kind of production technology of waterproof paper bag |
| CN104250943A (en) * | 2014-08-14 | 2014-12-31 | 唐山市天正实业有限公司 | Process and corresponding system for manufacturing bobbin paper |
| CN204162949U (en) * | 2014-10-17 | 2015-02-18 | 昆山联江发纸业有限公司 | Cop tube paper coating machine |
| CN106381737A (en) * | 2016-08-31 | 2017-02-08 | 浙江兴舟纸业有限公司 | Manufacturing process of high-strength bobbin paper |
| CN108166307A (en) * | 2018-01-17 | 2018-06-15 | 辽宁兴东科技有限公司 | The preparation method of cop tube paper and boxboard |
| CN208136627U (en) * | 2018-04-23 | 2018-11-23 | 浙江兴舟纸业有限公司 | A kind of water resistance cop tube paper manufacturing equipment |
| CN209937924U (en) * | 2019-04-11 | 2020-01-14 | 海安县金鑫纸业有限公司 | Industrial bobbin paper |
| CN110820413A (en) * | 2019-09-27 | 2020-02-21 | 义乌市义南纸业有限公司 | Wear-resistant waterproof bobbin paper and preparation method thereof |
| CN215390487U (en) * | 2021-08-01 | 2022-01-04 | 广东华泰纸业有限公司 | Bobbin paper gluing device capable of controlling gluing surface of bobbin paper strip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114541178B (en) | 2023-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211801998U (en) | Coating machine rubber coating device convenient to dry | |
| CN107379319A (en) | Knot screen for heat shrink films production | |
| CN106192506A (en) | A kind of separation method of waste paper plastic composite materials paper separation production system | |
| CN107700273B (en) | Coating production line device for producing fruit-raising outer bag paper and production process method thereof | |
| CN113927710A (en) | Forming device is used in colored brick production | |
| CN217248565U (en) | Preparation facilities is used in deinking agent processing convenient to wash use | |
| CN114541178B (en) | Method and equipment for manufacturing water-resistant bobbin paper | |
| CN110396856A (en) | Control the paper technology of the DCS in plain boiled water | |
| CN208084915U (en) | A kind of special feeding equipment of film stretching machine | |
| CN111016391B (en) | Waterproof coiled material production device and waterproof coiled material production method | |
| CN206868329U (en) | One kind, which is dusted, reclaims filter | |
| CN207206842U (en) | Knot screen for heat shrink films production | |
| CN213038013U (en) | Sizing apparatus is used in production of elastic bandage | |
| EP0515946A1 (en) | Method for working up textile material coated with plastic as well as installation for carrying it out | |
| CN105396864B (en) | The damp and hot separator of anti-tarnish paper paper and separation method | |
| CN210337283U (en) | Water-based ink recovery device | |
| CN208164059U (en) | A kind of feeding back device for rubber kneading | |
| CN217579493U (en) | Green new material for packing preparation facilities | |
| CN206928142U (en) | A kind of follow-on sizing applicator | |
| CN204523478U (en) | Paper pulp processing system after a kind of paper is separated | |
| CN219522741U (en) | Ton bag recovery unit | |
| CN214718020U (en) | Improved synthetic leather coating device | |
| CN111924242A (en) | Full-automatic dustless material station of throwing | |
| CN215996968U (en) | High-safety and stable-type shredder | |
| CN210065510U (en) | Printing waste water sludge dewatering processing apparatus |
Legal Events
| 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A manufacturing method and equipment for water resistant yarn tube paper Effective date of registration: 20231201 Granted publication date: 20230414 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Zhongguan sub branch Pledgor: Deqing Huakang Paper Co.,Ltd. Registration number: Y2023980068698 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |