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398 results about "Molded pulp" patented technology
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Molded pulp, also named moulded pulp or molded fibre, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are end caps, trays, plates, bowls and clamshell containers.
Intelligent detection and grading method for product packaging surface defects
The invention provides a product package surface defect intelligent detection and grading method, which comprises the following steps: acquiring discrete point cloud data of an environment-friendly paper pulp molding package surface, removing outliers and noise points in the point cloud data to obtain preprocessed point cloud data, and according to the preprocessed point cloud data, carrying out classification on the surface defects of the environment-friendly paper pulp molding package surface. Connecting the discrete point clouds through triangular patches to generate an initial grid model so as to form a three-dimensional grid model representing the geometric morphology of the environment-friendly molded pulp packaging surface; drawing a surface curvature distribution diagram by calculating Gaussian curvature and average curvature of grid vertexes, and judging defect information of each grid vertex according to the surface curvature distribution diagram to obtain environment-friendly paper pulp molding package surface defect distribution information; boundary curves of the three-dimensional grid model are extracted, local shape features of the boundary curves are analyzed, if deviation exists between the local shape feature of a certain boundary curve and a typical form of a preset normal boundary, it is indicated that burr defects exist in the position, and the burr defects are added into surface defect distribution information.
Owner:GUANGZHOU JIANGREN PRINTING & PACKAGING CO LTD
Tool and method for producing a 3D molded pulp product
The document relates to a tool for producing a 3D molded product from a pulp slurry, comprising a pair of molds having respective product faces, that are configured to face each other and to press a pulp layer therebetween, said product faces providing a 3D shape for molding the 3D molded product, said product faces presenting a respective outer product face edge, defining an outermost limit of a forming area of mold. At least one of the product faces, as seen from the product face edge and inwardly towards a center of gravity of the product face, presents an outer zone (Z1) having effectively no porosity, and an inner zone (Z4) having a porosity of 40-75%, wherein a first intermediate zone (Z2) is arranged between the outer zone (Z1) and the inner zone (Z4), and has a porosity that is greater than that of the outer zone (Z1) and less than that of the inner zone (Z4).
Owner:CELWISE AB
Hot-pressing shaping mold and production line for molded pulp packaging products
The utility model relates to a hot-pressing shaping die for a molded pulp packaging product. The defects of unreasonable design and the like in the prior art are overcome. The hot-pressing shaping mold for the paper pulp molding packaging product comprises a hot-pressing shaping concave mold for at least forcing the outer diameter of the original side wing wall thickness of a paper pulp molding wet blank product to be kept unchanged, and a shaping internal expanding mold which is matched with the hot-pressing shaping concave mold and forms a hot-pressing shaping profiling cavity for accommodating the paper pulp molding wet blank product, the shaping internal expansion die applies radial internal expansion force from inside to outside to the original side wing wall thickness, and the radial internal expansion force enables the original side wing wall thickness to be compressed and thinned to the set side wing wall thickness; and when the original side wing wall thickness is forced to be compressed and thinned by the radial internal expansive force, at least part of the inner wall of the original side wing wall thickness is shaped in the direction opposite to the radial internal expansive force to form an inward protrusion. The method has the advantages that the inner convex structure is shaped in the hot-pressing shaping stage, the risk that the inner diameter of the inner convex structure is further enlarged during post-treatment processing demolding can be prevented, and a molded pulp packaging product has better fastening tightness.
Owner:ZHEJIANG SHURCON MFG
Punching and waste cleaning integrated device for paper pulp molding three-dimensional product
The utility model discloses a punching and waste cleaning integrated device for a paper pulp molding three-dimensional product, and relates to the technical field of paper pulp molding, in particular to the punching and waste cleaning integrated device for the paper pulp molding three-dimensional product, which comprises a platform base, and an air cylinder support, a punching knife moving support and a jig base are arranged above the platform base. According to the punching and waste cleaning integrated device for the paper pulp molding three-dimensional product, through the cooperative arrangement of the jig base and the punching jig, the device for punching and waste cleaning integrated device for the paper pulp molding three-dimensional product has the effect that the product can be automatically pulled down to be placed in place, and the punching height uniformity is achieved; the punching and waste cleaning integrated device for the paper pulp molding three-dimensional product has the effects that waste edges can be prevented from being clamped in the waste cleaning cavity, the yield is improved, and the cutter is protected; the punching and waste cleaning integrated device for the paper pulp molding three-dimensional product has the effects that the product can be conveniently taken down, and the production efficiency is improved.
Owner:WING FAT (HENAN) MOLDED FIBER TECH DEV CO LTD
Tool and method for producing three-dimensional molded pulp product
To provide an improved tool and method for forming a three-dimensional molded pulp product.SOLUTION: There is provided a tool for producing a three-dimensional molded product from a pulp slurry, comprising a pair of molds having respective product faces, which are configured to face each other and to press a pulp layer therebetween, and the product faces providing a three-dimensional shape for molding the three-dimensional molded product, the product faces presenting respective outer product face edges, defining an outermost limit of a forming area of the mold. At least one of the product faces, as seen from the product face edge and inwardly towards a center of gravity of the product face, presents an outer zone (Z1) having effectively no porosity, and an inner zone (Z4) having a porosity of 40 to 75%, wherein a first intermediate zone (Z2) is arranged between the outer zone (Z1) and the inner zone (Z4), and has a porosity that is greater than that of the outer zone (Z1) and less than that of the inner zone (Z4).SELECTED DRAWING: Figure 3
Owner:CELWISE AB
Process and equipment for coating film in narrow-mouth container
The invention discloses a film coating process and equipment in a narrow-mouth container, and relates to the technical field of paper container preparation, and the equipment comprises a film coating system, a mold closing system, a vacuum system, a heating system, an adjusting system and a control system. The polylactic acid air bag is adopted as a film covering raw material, so that the produced paper-plastic product has biodegradability, the produced product can be naturally degraded, and the problems that the paper-plastic product is difficult to recycle and treat are solved. According to the invention, the polylactic acid air bag is attached to the inner wall of the molded pulp container by directly utilizing the characteristic that polylactic acid becomes soft and generates colloid after being heated, so that the influence on the volume of the container can be reduced as much as possible, and the environment-friendly characteristic is better. The environment-friendly characteristic and the physical and mechanical properties of the paper mold can be obviously improved, and the application range of the paper mold is expanded. By optimizing and innovating a film laminating process and equipment, a more environment-friendly liquid container can be prepared, and the development and the use of the paper pulp molded container are more in line with the requirements of sustainable development.
Owner:YONGFA (JIANGSU) MOLDING PACKAGING TECH CO LTD
Biodegradable pulp packaging products from natural fibers
A molded pulp product formed from the molding of a three-dimensional pulp slurry. The pulp slurry comprises a natural fiber composition of virgin fibers which have not been recycled and are derived from plant materials. The natural fiber composition includes hemp fibers which have been micronized to suitable length and combined with pulverized hemp shive to form a fibrous matrix. The molded pulp product is formed from a vacuum molding process, thermoforming process, custom air-burst molding process, or other molding process wherein the slurry is applied to a three-dimensional mold and a three-dimensional product is formed. The resulting packaging product is one hundred percent biodegradable.
Owner:PAPACKS SALES GMBH
Paper pulp molding waste recycling device
The invention provides a paper pulp molding waste recycling device, and relates to the technical field of molding waste recycling. Two crushing rollers are rotationally arranged on the crushing box, the two crushing rollers are meshed with each other, a first gear is welded to a rotating shaft of each crushing roller, and the two first gears are meshed with each other; a base is welded to the left end of the smashing box and is of an L-shaped structure, a first motor is fixed to the base, and an output shaft of the first motor is fixed to a rotating shaft of the smashing roller on the front side. When a gear rotates, the gear pokes a stress rod to enable two shearing plates to move back and forth in a reciprocating mode, molding waste is pre-sheared, follow-up smashing work is facilitated, the waste can be preliminarily treated into the shape easier to smash, the overall smashing efficiency is further improved, and the problems that the smashing structure is single, and the smashing efficiency is high are solved. The problems that the crushing effect on the large wood-plastic waste is not thorough enough, waste fragments cannot be screened after crushing, and the crushed large waste cannot be crushed again are solved.
Owner:YANCHENG LIJIE PACKAGING PRODUCTS CO LTD
Paper pulp molding mold
Owner:沈勇
Paper pulp molding mold
The utility model discloses a paper pulp molding mold which comprises a workbench, the bottom of the workbench is fixedly connected with a pulp frame, the interior of the pulp frame is fixedly connected with a lifting inner column, the top of the lifting inner column is fixedly connected with a molding frame, and the top of the workbench is fixedly connected with a liquid pumping device. And a liquid extraction opening of the liquid extraction equipment is fixedly connected with a liquid extraction pipe. By means of the workbench, the slurry frame, the lifting inner column, the shaping frame, the liquid pumping device, the liquid pumping pipe and the liquid discharging pipe, the pulp molding mold can be used more conveniently, slurry in the mold can be rapidly cleaned out when the mold is cleaned, workers do not need to manually collect and treat the slurry, and therefore the working content of the workers is reduced, and the working efficiency is improved. And the working complexity of workers is reduced, the follow-up mold cleaning speed is increased, the follow-up work progress is accelerated, the overall work efficiency of work is improved, and long-term use of the paper pulp molding mold is facilitated.
Owner:GUANGZHOU YUHE TRADE CO LTD
A polyvinyl alcohol / nanocellulose / ferric tannate-based high-strength food packaging material
A polyvinyl alcohol / nanocellulose / tannic acid iron-based high-strength food packaging material disclosed in the present invention relates to the preparation and development technology field of food packaging materials, and the materials include polyvinyl alcohol (PVA), hydrophobic quaternary ammonium salt functionalized nanocellulose (CNF-QAS) and tannic acid iron (TA-Fe), and the mass proportion of CNF-QAS is 1% to 7%, and the mass proportion of TA-Fe is 0.4% to 1% (all in terms of PVA mass). Its preparation includes using QAS for the modification of CNF and preparing CNF-QAS, adding TA-Fe after mixing with PVA, and magnetic stirring evenly, and obtaining after drying. Its macroscopic form can be a film, electrospun fiber, aerogel, paper and paperboard or used as a powder additive in pulp molding materials. The above-mentioned material has good biocompatibility, mechanical properties, water vapor and oxygen barrier properties, antibacterial properties and food preservation properties. Under near-infrared laser triggering, the material has high precision and broad-spectrum antibacterial activity; and the preparation process is both economical and simple, and can be widely used in non-directly imported foods such as fruits and vegetables.
Owner:CHINA NAT PULP & PAPER RES INST CO LTD
Fluorine-free oil-proof agent for paper pulp molding and preparation method of fluoride-free oil-proof agent
The invention discloses a fluoride-free oil-proof agent for paper pulp molding and a preparation method thereof, and belongs to the technical field of paper pulp molding materials. The fluoride-free oil-proof agent is prepared from the following raw materials in parts by weight: 40 to 60 parts of long-chain alkane, 10 to 20 parts of short-chain alkane, 10 to 15 parts of film-forming agent, 5 to 10 parts of modified polysilazane, 3 to 7 parts of nano material, 1 to 3 parts of chitosan derivative, 0.1 to 3 parts of cross-linking agent, 6 to 10 parts of filler and 60 to 100 parts of solvent. Wherein the modified polysilazane is prepared by reacting polysilazane with methyltriethoxysilane and 3-halogenated propylene under the action of a catalyst and chloroplatinic acid isopropanol. The preparation method comprises the following steps: mixing long-chain alkane, short-chain alkane and a solvent, and heating to react; other components are mixed and subjected to ultrasonic treatment; and mixing the two mixtures under ultrasonic and pressure conditions. The fluoride-free oil-proof agent provided by the invention is environment-friendly and safe, has excellent oil-proof performance, and is suitable for surface treatment of paper pulp molded products.
Owner:SHENZHEN YANMO TECHNOLOGY HOLDINGS CO LTD
Fiber synergistic copolymer as well as preparation method and application thereof
The invention discloses a fiber synergistic copolymer as well as a preparation method and application thereof, and belongs to the technical field of papermaking chemicals and high polymer materials. Aiming at anion garbage interference caused by deepening of closed circulation of white water in the papermaking industry and green compliance challenges caused by replacing plastic with paper, the copolymer adopts a specific polycarboxylic acid and trace cationic monomer structure-effect design, and has excellent anti-interference capability and permeability. In the wet-end in-pulp enhancement, the enhancement effect of the additive can be superior to that of a traditional high-molecular-weight additive only by a relatively low addition amount, and water filtration and retention are remarkably improved; in a surface sizing and pulp molding hot pressing process, the rigidity and the water-resistant size stability of a product can be greatly improved through a unique cross-linking mechanism. According to the scheme, the industrial pain point of low enhancement efficiency in a complex environment is effectively solved, and the product does not contain organic fluorine and completely meets the requirements of environmental protection and sustainable development of a high-performance fiber-based material.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3
Pulp molding surface spraying system and spraying process
The invention belongs to the technical field of spraying equipment, and mainly relates to a paper pulp molding surface spraying system and process, and the spraying system comprises a feeding mechanism used for conveying products; the spraying mechanism comprises a working cavity and a spraying head arranged on one side of the working cavity, a spraying platform used for fixing a product is horizontally and rotationally assembled in the working cavity, and the spraying head is used for spraying paint to the product; the drying mechanism is used for drying the sprayed product; the transverse moving manipulator enables the products to be transferred among the feeding mechanism, the spraying mechanism and the drying mechanism; and the receiving mechanism is used for receiving the dried products. A static visual angle blind area is broken through a dynamically rotating spraying platform, a transverse moving mechanical arm accurately transfers and maintains the posture of a product, and a drying link is matched with the drying characteristic of a coating, and the three-dimension synergistic effect of spraying process control, coating leveling assistance and follow-up process protection is achieved; and the problem of non-uniform spraying caused by complex structure, poor coating flowability and much manual intervention of the product is systematically solved.
Owner:HETRUN CHEMICAL LTD CO
Wet blank flipping method for manufacturing molded pulp products and pulp molding machine
A wet blank flipping method for manufacturing pulp molded products, which follows these steps: after the wet blank is formed in the suction filtration forming mold, it is transferred to the hot-pressing shaping device for hot-press drying and shaping to create pulp molded products, characterized in that: said transfer is done using a first wet blank transfer device and a second wet blank transfer device to move the wet blank from the suction filtration forming mold to the hot-pressing shaping device; wherein, the first wet blank transfer device extracts the wet blank from the suction filtration forming mold and transfers it to the second wet blank transfer device, which then moves the wet blank to the hot-pressing shaping device.
Owner:EURASIA EP MACHINERY +1
Biomass-based degradable waterproof and oilproof coating as well as preparation method and application thereof
The invention discloses a biomass-based degradable waterproof and oilproof coating as well as a preparation method and application thereof. The biomass-based degradable waterproof and oil-proof coating is composed of a waterproof coating and an oil-proof coating, and the waterproof coating is composed of a stearic acid emulsion, nano cellulose, a waterproof agent, an inorganic filler, a dispersant, a defoaming agent, a coalescing agent, a pH regulator and water. The oil-proof coating is prepared from natural resin, plant-based fatty acid ester, chitosan, nano cellulose, a waterproof agent, an oil-proof agent, inorganic filler, a dispersing agent, a defoaming agent, a preservative, a pH regulator and water. The biomass-based degradable waterproof and oil-proof coating has the advantages that the raw materials are natural in source, degradable and convenient to use, a formed coating has excellent waterproof and oil-proof performance and excellent thermal stability, and the like, can be used for products needing waterproof and oil-proof performance such as paper pulp molded products, and is suitable for large-scale industrial production and application.
Owner:GUANGZHOU YINGCHUANG TECH CO LTD
Plastic-free trapped tray packaging
A trapped tray product packaging having a paperboard or a molded pulp tray trapped between a first panel and a second panel is provided. The first panel has an opening for placement of the tray. The tray includes a lip that is trapped between the first panel and the second panel. The first and second panels can be formed from paperboard.
Owner:MENASHA CORP
Paper pulp molding and drying equipment
The utility model discloses paper pulp molding and drying equipment, which comprises a main body unit, a paper pulp molding and drying unit, a paper pulp molding and drying unit, a paper pulp molding and drying unit and a paper pulp molding and drying unit, and is characterized in that the main body unit comprises an equipment main body and a sealing door matched with the equipment main body; the dehumidification unit comprises U-shaped pipes fixedly installed on the two sides of the equipment body, one ends of the two sets of U-shaped pipes penetrate through an inner cavity of the equipment body, and the other ends of the two sets of U-shaped pipes penetrate through the equipment body and the inner wall of the placing box to enter the inner cavity of the placing box. The device is arranged in the mounting box through the guide structure and is closed, the fan is started, hot air containing steam is sucked in, dried hot air flows into the U-shaped pipe after being dehumidified through a drying agent and finally enters the bottom of the placing box, molded pulp is comprehensively heated and dried, and the problem that when a molded pulp product is dried, residual moisture of the molded pulp product becomes steam, and the product quality is poor is solved. And the air pressure of the equipment and the drying effect are influenced.
Owner:JURONG HAODE PACKAGING CO LTD
Molded pulp drying device
ActiveCN224230598UDrying gas arrangementsDrying machines with progressive movementsMolded pulpMechanical engineering
The utility model discloses a molded pulp drying device which comprises an upper air duct and a lower air duct, the bottom of the upper air duct is communicated with a radiator, radiating fins are arranged in the radiator, the bottom of the radiator is communicated with a drying box, the interior of the drying box is communicated with the lower air duct to form a drying channel, and a circulating fan is arranged at the output end of the lower air duct. The output end of the circulating fan is connected with a circulating air duct communicating with the upper air duct, the upper air duct, the radiator, the drying box, the lower air duct and the circulating air duct form a circulating loop, and the circulating air duct is provided with a dehumidification pipeline communicating with the external environment and comprises an upward ascending channel and a horizontal channel arranged horizontally. The horizontal channel is communicated with the upper air channel, an arc-shaped channel is arranged between the ascending channel and the horizontal channel, the arc-shaped channel is connected with an air inlet pipe communicated with the external environment, and the air inlet pipe is horizontally arranged. In the paper pulp drying process, external high-temperature air can be utilized, and the effect of reducing energy consumption is achieved.
Owner:GUANGDONG HUAGONG HUANYUAN PULP MOLDING EQUIPMENT CO LTD
Paper dressing case
The utility model discloses a paper dressing case which comprises a case body and a cover body, a flexible strip-shaped piece is connected between the edge of one side of the case body and the edge of one side of the cover body, the cover body can rotate relative to the case body around the axis parallel to the length direction of the flexible strip-shaped piece, a first clamping part is arranged on the edge of the side, opposite to the flexible strip-shaped piece, of the case body, and a second clamping part is arranged on the edge of the side, opposite to the flexible strip-shaped piece, of the cover body. A second clamping part matched with the first clamping part is arranged on the edge of the side, opposite to the flexible strip-shaped piece, of the cover body, and the box body, the flexible strip-shaped piece, the cover body, the first clamping part and the second clamping part are of an integrated structure made of paper pulp materials. According to the paper dressing case with the structure, the case body, the flexible strip-shaped piece, the cover body, the first clamping part and the second clamping part are formed by paper pulp materials in a paper pulp molding processing mode, the first clamping part and the second clamping part are matched in a clamping mode to enable the cover body to close the case body, and a magnetic attraction piece does not need to be arranged; therefore, the dressing case is easy to recycle, beneficial to production and processing, low in cost and lighter.
Owner:ZHONGSHAN SHANGYANG PRECISION IND
Dry-pressing paper pulp molding machine
The invention discloses a dry pressing paper pulp molding machine which comprises a rack, the rack comprises an upper rack and a lower rack, an upper mold assembly is arranged on the upper rack, the upper mold assembly comprises a shaping mechanism and a shaping mechanism, the upper mold assembly further comprises a pre-pressing mechanism, the pre-pressing mechanism is located between the shaping mechanism and the shaping mechanism, and the shaping mechanism is located between the shaping mechanism and the shaping mechanism. A pre-pressing upper die and a pre-pressing lifting mechanism are arranged at the pre-pressing mechanism; the upper rack is provided with an upper die assembly, the lower rack is provided with a lower die assembly, the lower die assembly comprises a pre-pressing lower die and a shaping lower die, the pre-pressing lower die is internally provided with a steam heating pipeline, and the upper die assembly and / or the lower die assembly are / is connected with a horizontal moving mechanism. Recycled waste heat is fully utilized for prepressing heating, the water content of paper pulp molding can be rapidly reduced, meanwhile, it can be avoided that drying is conducted outside the mold for a long time, and the drying efficiency is improved in a low-energy-consumption mode.
Owner:WENZHOU SENTONG TECHNOLOGY CO LTD
Paper pulp molding buffer paper holder for packaging
Owner:JIANGSU DAOPENG GREEN PACKAGING MATERIAL TECH CO LTD
A kind of equipment suitable for fiber container mass production suction forming
This invention provides a pulp molding equipment suitable for mass production of fiber containers, belonging to the field of pulp molding equipment technology. It includes a pulp tank, a rotating shaft at the center of the pulp tank, a fixed plate on the rotating shaft, several robotic arms on the fixed plate, and a pulp suction mold at the end of each robotic arm away from the fixed plate. The pulp suction mold is connected to a negative pressure system integrated on the robotic arms and the fixed plate. A drive mechanism is located outside the pulp tank to drive the rotating shaft to rotate at the center of the pulp tank. This invention, through the drive mechanism, drives the rotating shaft, fixed plate, and multiple robotic arms to rotate synchronously, enabling the pulp suction mold to cyclically complete the pulp impregnation, pulp suction, and blank removal actions. This transforms the existing periodic production of wet fiber container blanks into continuous production with multiple synchronous stations, significantly shortening the production cycle time, increasing output per unit time, effectively adapting to the large-scale, high-volume production needs of fiber containers, and providing efficient and stable equipment support for the mass production of pulp molded containers.
Owner:YONGFA (JIANGSU) MOLDING PACKAGING TECH CO LTD
Pulp molded product production line
The application discloses a paper pulp molded product production line. The paper pulp molded product production line comprises a forming device, a drying device and a cutting device. The drying device comprises a second upper mold, a second lower mold, a second lifting driving assembly, a heating assembly and a second vacuum pumping assembly. The second vacuum pumping assembly sucks air into the second cavity through the second channel structure, so that water vapor flows away from the second channel structure, thereby reducing the possibility of fiber debris carried by water vapor diffused in the air adhering to the dry embryo, improving product quality, and reducing the possibility of carbon deposition caused by the fiber debris adhered to the second upper mold and the second lower mold. At the same time, by setting the sealing structure, the sealing property of the second cavity is improved, the pressure of the water vapor passing through the second channel structure is improved, the fiber adhered in the second channel structure is carried away, the cleanliness of the second channel structure is maintained, and the possibility of carbon deposition in the second channel structure is reduced.
Owner:GUANGDONG HANSEN INTELLIGENT EQUIP CO LTD
Mold structure for connecting slitter edges of small-size three-dimensional paper pulp molded products
Owner:WING FAT (HENAN) MOLDED FIBER TECH DEV CO LTD
Gas-retaining root-guiding disintegration-promoting synergistic PHA water-based coating paper pulp molded seedling container as well as preparation method and application thereof
The invention discloses a gas-retaining root-guiding disintegration-promoting synergistic PHA water-based coating paper pulp molded seedling container and a preparation method and application thereof, and belongs to the technical field of green agriculture and biological materials. According to the scheme, a gas-retaining root-guiding disintegration-promoting synergistic area is innovatively constructed, and the problem that water resistance and breathability of a traditional paper-based container are difficult to consider at the same time is solved through the differential coating technology. Compared with the traditional scheme that the wet strength can be maintained only by greatly increasing the thickness of the coating in the market, through the synergistic interaction of the structure and the material, better wet stability and root domain air permeability can be achieved only with the extremely low coating amount, and the intelligent root guiding penetration and directional splitting decomposition functions are achieved after the container is transplanted. The product supports pot-stripping-free field planting, the comprehensive seedling raising cost is remarkably reduced, and the product conforms to the future development direction of full biodegradation.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +4
A packaging structure of a portable sound device
The utility model discloses a kind of packaging structure of portable sound, for packaging sound and accessory, the packaging structure includes integrally-formed structure's bottom support, first side support, second side support, first top support and second top support, the bottom support is equipped with first accommodating cavity and recess, accessory is placed in first accommodating cavity and sound is placed on bottom support, the both sides of bottom support are connected with first side support and second side support respectively, second accommodating cavity and third accommodating cavity are respectively equipped on first side support and second side support, first side support and second side support are oppositely arranged and are interlocked by protruding block and recess, second accommodating cavity and third accommodating cavity constitute the space of accomodating sound, first top support connects first side support, second top support connects second side support, first top support and second top support are all equipped with through-hole and are suspended above bottom support. The overall structure of the device is simple in design, can be folded and accommodate sound and accessory by pulp molding integrated molding, facilitate production assembly and consumer to take.
Owner:DONGGUAN MYS ENVIRONMENTAL PROTECTION TECH
Fluorine-free water and oil repellent, and preparation method and application thereof
The present application relates to a kind of fluorine-free water and oil repellent and its preparation method and application, the water and oil repellent of the present application has very strong water and oil repellent effect, and can meet its water and oil repellent demand for paper pulp molded product surface coating.The raw materials required by the method are simple and easy to obtain, the preparation method is simple and easy to operate, low in cost and environmentally friendly, and non-toxic to human body, while the water and oil repellent effect is excellent, suitable for industrial production.
Owner:DONGHUA UNIV
Pulp molded container and fabricating method thereof
A fabricating method of a pulp molded container includes providing a main material, performing a dispersing step, performing a pulping step, performing an additive adding step, and performing a heat compression molding step. The main material includes a long fiber pulp and a short fiber pulp. In the dispersing step, the main material is dispersed evenly in water to form an aqueous pulp solution. In the pulping step, the aqueous pulp solution is mechanically fibrillated to form a fibrillated pulp. In the additive adding step, an additive is added into the fibrillated pulp and mixed to form a paper pulp. In the heat compression molding step, the paper pulp is formed into the pulp molded container by heat compression molding.
Owner:INTLPAK ENTERPRISES CORP
Automatic spraying device for molded pulp
The utility model discloses an automatic spraying device for paper pulp molding, which relates to the technical field of paper pulp molding and comprises a support, the upper end of the support is fixedly connected with a spraying box body, the upper end of the spraying box body is provided with a spraying head, two sides of the upper end of the spraying box body are provided with driving mechanisms, and each driving mechanism comprises a fixing strip and a driving mechanism, limiting sliding grooves are formed in the upper ends of the fixing strips, a threaded rod is fixedly connected into one limiting sliding groove, a guide rod is fixedly connected into the other limiting sliding groove, and the threaded rod is in threaded connection with a sliding plate. According to the molded pulp automatic spraying device, the driving mechanism is arranged, the nozzle is located at the upper end of the fixing strip and moves front and back, the motor drives the threaded rod to rotate, the sliding plates move front and back on the threaded rod, then the connecting rod drives the sliding plate at the other end to move, the two sliding plates drive the nozzle to move, and the center position of the nozzle is aligned with materials for spraying; and thus, the surface of the material is sprayed more uniformly.
Owner:OSMANUV MASCH EQUIP CO LTD