Patents
Literature
3248 results about "Corrugated fiberboard" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Corrugated fiberboard is a material consisting of a fluted corrugated sheet and one or two flat linerboards. It is made on "flute lamination machines" or "corrugators" and is used in the manufacture of shipping containers and corrugated boxes.
Repulpable container
A repulpable insulated container assembly having a container formed of paper such as corrugated cardboard or varying paper materials and defining an interior; and a repulpable insert placed within the interior of the container and formed of a first paper layer; and a paper fiber pad coupled to the first paper layer.
Owner:PRATT RETAIL SPECIALTIES LLC
Corrugated board strength detection method for corrugated packaging box production
ActiveCN120544758AGeometric CADMaterial analysis by optical meansAmbient humidityProcess engineering
The invention relates to the technical field of data processing, in particular to a corrugated board strength detection method for corrugated packaging box production, which comprises the following steps: acquiring water content data, actual edge pressure strength and predicted edge pressure strength of a corrugated board under different environment humidity; a prediction error is obtained according to the difference between the actual edge pressure strength and the predicted edge pressure strength in the corrugated board production process, and the environment humidity is screened to obtain the environment humidity to be analyzed; according to the change relation of the water content data along with the environmental humidity, and in combination with the incidence relation of the pressure on the corrugated board and the deformation of the corrugated board, obtaining the influence degree of the corrugated board under each to-be-analyzed environmental humidity; according to the incidence relation between the environment humidity and the prediction error, the predicted edge pressure strength is corrected in combination with the affected degree, and online strength detection of the corrugated board is achieved. According to the method, the adaptability of the online strength detection operation of the corrugated board to the actual working condition is enhanced, and the overall prediction precision is improved.
Owner:浙江一鸣包装印刷有限公司
Preparation method of medium-entropy alloy and stainless steel explosive welding composite board
The invention discloses a preparation method of a medium-entropy alloy and stainless steel explosive welding composite board, and belongs to the field of metal-based composite material processing. The preparation method specifically comprises the following steps: polishing the medium-entropy alloy and the stainless steel to remove oil stains and oxides on the surfaces of the medium-entropy alloy and the stainless steel; a low-carbon steel anvil serves as a base plate, stainless steel serves as a base plate, a medium-entropy alloy serves as a compound plate, a corrugated board serves as a buffer layer of explosive and the compound plate, and metallurgical connection of the medium-entropy alloy plate and the stainless steel plate is achieved through low-detonation-velocity high-brisance mixed explosive. The interface bonding rate of the obtained composite board is larger than 98.8%, the yield strength is larger than 620 MPa, the tensile strength is larger than 735 MPa, the percentage elongation after fracture is larger than 40%, and the interface shear strength is larger than 300 MPa. The process is simple and convenient, and is suitable for industrial production.
Owner:HUNAN FORHOME COMPOSITE MATERIALS CO LTD
Corrugated board humidity on-line automatic monitoring method
ActiveCN120195224ACharacter and pattern recognitionMaterial moisture contentcardboardDistribution matrix
The invention provides a method for automatically monitoring the humidity of a corrugated board on line, and belongs to the technical field of corrugated board production. Uniform thermal pulses are applied to the surface of the corrugated board through a thermal infrared imaging device in combination with a thermal pulse excitation system, and high-resolution thermal response images are collected in real time. The system calculates thermal diffusivity and thermal attenuation characteristics based on an unsteady state heat conduction equation, generates a temperature distribution matrix, extracts a humidity characteristic spectrum by using a heat and humidity two-parameter neural network model, and establishes a corresponding relation between temperature and water content. Carrying out region segmentation through the humidity characteristic spectrum, identifying a humidity abnormal region, calculating a deviation value, and triggering an alarm when the deviation value exceeds a preset threshold value. The technical problem that in the prior art, corrugated board humidity detection mainly depends on manual sampling and special instruments, and real-time online monitoring on a production line cannot be achieved is solved.
Owner:ANHUI HUAYI PRINTING & PACKAGING CO LTD
Carton processing equipment and carton processing system with same
The utility model provides carton processing equipment and a carton processing system with the same. The carton processing equipment comprises a rack; the feeding module is arranged on the rack and used for conveying paperboards; the pressing device is used for pressing an indentation on a paperboard and / or forming a notch in the paperboard; the longitudinal creasing device comprises a press-fit part, and the press-fit part can reciprocate in the width direction of the paperboard; the longitudinal cutting device comprises a longitudinal cutter, and the longitudinal cutter can reciprocate in the width direction of the paperboard; the transverse grooving device comprises a transverse grooving driving shaft and a grooving cutter, and the grooving cutter rotates along with the transverse grooving driving shaft and can reciprocate in the width direction of the paperboard; the transverse cutting device and / or the punching device are / is used for punching on the paperboard; the transverse cutting device is used for transversely cutting the paperboard in the width direction of the paperboard. According to the carton machine, the problem that the processing function of the carton machine in the prior art cannot meet the processing requirements of corrugated boards is effectively solved.
Owner:QINGDAO NAIPU INTELLIGENT PACKAGING TECHNOLOGY CO LTD
Intelligent recommendation method and system for corrugated carton packaging production process
PendingCN120163398AData processing applicationsDigital data information retrievalRecommendation modelManufacturing technology
The invention discloses an intelligent recommendation method and system for a corrugated carton packaging production process. The method comprises the steps that a user inputs the type, corrugation type parameters, the number of layers, the size, the weight, production process requirements and quality control standards of corrugated boards through a terminal; the system is based on a cloud computing platform, combines a mechanical property model and a manufacturing process database of a corrugated board, calculates and analyzes input data, and recommends a production process parameter combination; the system collects data in the production process in real time through a sensor, compares the data with recommended parameters, and automatically adjusts parameters of production equipment or gives an alarm. And the system continuously collects production data and user feedback, and updates the recommendation model by using a machine learning algorithm. According to the method and the system, the defective rate is effectively reduced, the production efficiency is improved, the recommendation result is accurate, the management is efficient, and the requirements of corrugated paper field production can be met.
Owner:SUZHOU KAIYU PACKAGING MATERIALS CO LTD
Corrugated board defect detection method, medium and equipment
ActiveCN119273677AGuaranteed display effectImprove reliabilityImage enhancementImage analysiscardboardRgb image
The invention relates to a corrugated board defect detection method, which comprises the following steps: collecting front and back images of a corrugated board, fusing the at least three images to obtain sample images I front and I back, the images being at least three images shot under at least three light source positions; preprocessing the sample image I positive and I negative, performing image segmentation on the preprocessed image, preliminarily extracting a defect region through image segmentation, and obtaining a final defect region according to a gray feature histogram; after a defect area is extracted, graying processing is carried out on the defect area, the defect area is converted into a grayscale image from an RGB image, then sub-pixel edge extraction is carried out on the grayscale image, fitting is carried out on the extracted defect edge contour, and the defect is positioned. Aiming at the problems of low image contrast and small defect area of the corrugated board, the invention provides the sub-pixel edge extraction method, so that a relatively good defect positioning effect is achieved, an expected detection purpose is achieved, and the applicability of the area growing method in a complex environment is relatively well improved.
Owner:NINGBO BSWY PRINTING CO LTD
Warping classification and process control method, system and equipment for paperboard at tile line outlet
ActiveCN119610795Aquality improvementaccurate assessmentMechanical working/deformationProgramme total factory controlProduction lineAlgorithm
The invention relates to the field of corrugated board production, and discloses a corrugated board production line outlet paperboard warping classification and process control method, system and equipment, and the method is used for collecting and analyzing the warping type in the paperboard production process in real time, and outputting production line control parameters according to the warping type. The method comprises the following steps: detecting a vertical curve contour image of a paperboard on line and judging the type of the paperboard; when the type of the paperboard is a non-L-shaped paperboard, calculating the warpage convexity of the paperboard on line; if the absolute value of the warpage convexity is not greater than a preset warpage threshold value, judging that the quality of the produced paperboard is qualified, and if the absolute value of the warpage convexity is greater than the preset warpage threshold value, determining and outputting the warpage type of the produced paperboard according to the value of the warpage convexity and preset range values of the warpage convexity corresponding to different warpage types; and inputting the paperboard warping type into a pre-trained neural network model to obtain production line control parameters output by the neural network model, and transmitting the production line control parameters to a production line control center to adjust and control the paperboard quality.
Owner:GUANGDONG FOSBER INTELLIGENT EQUIP CO LTD
Thickness detection device for corrugated paper packaging box production and use method
InactiveCN120593590AMechanical thickness measurementsError compensation/eliminationcardboardProduction quality
The invention relates to the technical field of corrugated paper box production, in particular to a thickness detection device for corrugated paper box production and a using method, the thickness detection device comprises a C-shaped frame, a paperboard placing groove is formed in the upper surface of the bottom of the C-shaped frame and used for positioning a corrugated paperboard, and the lower surface of the top of the C-shaped frame is connected with a reset mechanism. The upper surface of the bottom of the C-shaped frame is connected with a scale plate, the top of the C-shaped frame is connected with a measuring mechanism and an adjusting mechanism, the measuring mechanism is used for measuring the thickness and flatness of a corrugated board, and the adjusting mechanism is used for adjusting a thickness measurement value according to the flatness of the corrugated board. Through cooperative use of the measuring mechanism and the adjusting mechanism, self-adaptive compensation of a thickness measurement value is realized, when the surface of the corrugated board is uneven due to uneven thickness distribution, the average value of the thickness of the corrugated board can be detected, the flatness of the corrugated board can be measured, and the measurement accuracy of the corrugated board is improved. And then the thickness data is adjusted through the measured flatness, so that the production quality of the packaging box is guaranteed.
Owner:JIANGSHAN CHIBA PACKAGING CO LTD
Dust removal device for corrugated paper production
The invention relates to the technical field of corrugated paper production, one embodiment of the invention provides a dust removal device for corrugated paper production, the dust removal device comprises a rack, and further comprises a conveying belt, a dust collection box, a brush and a cutting knife, the conveying belt is arranged in the rack through a transmission mechanism, a plurality of through holes are formed in the conveying belt, and the dust collection box is arranged on the conveying belt; the dust collection box is arranged in the rack through the dust collection mechanism, the top end of the dust collection box makes contact with the inner wall of the conveying belt, double-face dust removal can be conducted on corrugated boards, the brush is arranged at the top end of the rack through the rotating mechanism and used for driving the brush to brush off dust on the surfaces of the corrugated boards, and the cutting knife is arranged at the top end of the rack through the cutting mechanism. According to the technical scheme, the corrugated board cutting device is used for solving the technical problems that in the prior art, dust removal is conducted on corrugated boards through a brush before the corrugated boards enter a printing machine, impurities and dust which are firmly attached are difficult to clean through the dust removal mode, and the dust removal efficiency of the corrugated boards is reduced.
Owner:YUTIAN JIFU PAPER PROD CO LTD
Robust funerary tray
A second embodiment is a funerary tray that includes a bottom wall, side walls, and end walls. The bottom wall is formed at least in part from a rigid first material and defines a length and a width. Each of the side walls extends substantially vertically upward from long edges of the bottom wall. Each of the end walls extends substantially vertically upward from short edges of the bottom wall, such that the bottom wall, side walls, and end walls form a tray having a length and width configured to receive an adult human body. The first side wall has a side wall length that is substantially the length of the tray, and includes a rigid section extending a first length that is less than the side wall length, and at least a first corrugated fiberboard section having a second length that is less that the side wall length.
Owner:VANDOR GROUP INC
High-strength corrugated board
The utility model discloses a high-strength corrugated board which comprises an outer-layer paper board and an inner-layer paper board and further comprises a plurality of reinforcing assemblies used for reinforcing a corrugated board body, the two sides of each reinforcing assembly are connected with a first supporting plate and a second supporting plate in an adhesion mode respectively, and the first supporting plate and the second supporting plate are connected with the outer-layer paper board and the inner-layer paper board in an adhesion mode respectively. The outer side wall of the first supporting plate is connected with a first UV-shaped corrugated paper core in an adhesive mode, the outer side wall of the second supporting plate is connected with a second UV-shaped corrugated paper core in an adhesive mode, and the outer-layer paper board and the inner-layer paper board are connected to the outer side wall of the first UV-shaped corrugated paper core and the outer side wall of the second UV-shaped corrugated paper core in an adhesive mode respectively. According to the corrugated board, the structural strength and the impact resistance of the corrugated board body are effectively improved by means of the hard reinforcing layers and the buffer layers, so that the corrugated board body has higher bearing strength, is not easy to damage when being collided by external force, and has a higher comprehensive practical effect.
Owner:ZHEJIANG FANGPING PAPER CO LTD
Preparation method of a foldable / unfoldable honeycomb structure lunar module
A preparation method of a foldable / unfoldable honeycomb structure lunar module can meet the requirements of astronauts living on extraterrestrial bodies, liquid transportation, pressure-resistant containers, etc. In the present invention, a planar circular ring sheet material is equally divided and marked, misaligned and connected, axially stretched, and then glued and cured at a specified position to obtain a foldable and telescopic hollow honeycomb structure; the structure shaping of the honeycomb structure lunar module is realized by stepwise curing of the resin coating on the honeycomb surface. The present invention proposes a new hollow honeycomb structure as the skeleton structure of the lunar module. The planar honeycomb structure has the advantages of low density and strong pressure resistance, and is applied to the sandwich of anti-theft doors, airplanes, corrugated cardboard, etc. When the planar honeycomb is bent, the honeycomb will be deformed, seriously affecting its mechanical properties. The novel hollow honeycomb structure not only has the advantages of the planar honeycomb, but also solves the problem that the planar honeycomb is difficult to be applied to curved surfaces.
Owner:HARBIN INST OF TECH
Thickness laser measuring device and method for corrugated paper packaging box production
The invention discloses a thickness laser measuring device for corrugated paper packaging box production and a method thereof, and relates to the technical field of laser thickness measuring devices. The concave-convex part of the corrugated board can be extruded through rolling of an air bag of the measurement pretreatment mechanism, flattening is achieved, meanwhile, high-speed airflow generated by an air cylinder purges paper scraps on the surface through air inlet and outlet holes, suction force generated when a piston is reset subsequently can suck the residual paper scraps into a detachable dust collection cylinder, the paper scraps are prevented from blocking a laser light path, and measurement errors are reduced from the source; secondly, in the laser thickness measuring mechanism, a first laser thickness measuring assembly and a second laser thickness measuring assembly move in opposite directions and are matched with the movement of the paperboard along with the conveying belt, measuring point positions in a larger range on the surface of the paperboard can be covered, the contingency of single-point measurement is avoided, a touch switch of a laser thickness gauge can be triggered and starts to work only after the preprocessing mechanism completes the purging action, and the accuracy of measurement is improved. The problem that paper scraps raised during purging interfere with a light path is thoroughly avoided, and the data validity is further guaranteed.
Owner:SHANDONG DACHANG PAPER PROD CO LTD
Corrugated board thickness detection device and corrugated board machine thereof
The invention discloses a corrugated paperboard thickness detection device and a corrugated paperboard machine thereof, and relates to the technical field of corrugated paperboard thickness detection.The corrugated paperboard thickness detection device comprises a base, a supporting plate is fixedly installed at the upper end of the base, meanwhile, a cleaning assembly is arranged on the supporting plate, and impurities adhering to the surface of a corrugated paperboard are removed through the cleaning assembly; according to the corrugated board thickness detection device and the corrugated board machine thereof, when a pressing block is attached to a corrugated board, the pressing block is tightly pressed on the outer surface of the corrugated board through the transmission force of a ratchet gear, and when the pressing block bears the maximum pressure, a first elastic piece is matched to be stressed and shrunk, so that a clamping block is separated from the ratchet gear, and the corrugated board thickness is detected. And the pressing block is clamped with the other notch of the ratchet wheel, so that the stability of the pressing block is ensured, the edge part of the corrugated board is tightly kept in a clinging state with the optimal force, and the deviation of a detection result caused by edge upwarp is avoided.
Owner:JINAN DINGRUN PAPER PROD CO LTD
Environmentally friendly mildew-proof and antibacterial corrugated paperboard and preparation method thereof
ActiveCN118880666BStrong oxidation abilityStrong reductionFlexible coversMechanical working/deformationcardboardCell membrane
The invention relates to the technical field of paperboard products, and discloses an environment-friendly mildew-proof and antibacterial corrugated paperboard and a preparation method thereof. The quaternary ammonium salt substance of the modified terminal isocyanate polyurethane can attack the cell membrane or cell wall of microorganisms, so that the cell membrane function is affected and irreversible damage is caused to the structure of the microorganism organelles. The chemical element S is contained in the structure and has strong oxidizing and reducing properties, so that the cell membrane of microorganisms can be destroyed, organic matter can be decomposed, and the metabolism and growth environment of molds can be destroyed. The epoxy group and isocyanate group of the modified terminal isocyanate polyurethane can react with the hydroxyl group and carboxyl group on the surface of oxidized cassava starch, and at the same time, the dimethylol urea and oligomers in the urea-formaldehyde resin undergo cross-linking reaction with the hydroxyl group in the starch molecules to form a cross-linked network structure, so that water molecules are prevented from penetrating into the paper, thereby improving the bonding strength and water resistance of the corrugated paperboard.
Owner:ZHANJIANG YUHUA IND CO LTD
Corrugated board stacking defect detection method and system based on machine vision
The invention relates to the technical field of corrugated board detection, and particularly discloses a corrugated board stacking defect detection method and system based on machine vision, and the method comprises the steps: carrying out the time-sharing triggering of a side annular LED array light source and a top vertical diffusion light source of a stacking transmission line, and enabling an industrial CCD camera to synchronously obtain reflected light, transmission light and visible light channel images; fusing image features to generate a defect response map; eliminating corrugated texture interference through adaptive Gaussian filtering; dynamically adjusting high and low thresholds based on the maximum value proportion of the defect response map in combination with illumination; segmenting and merging candidate defect areas and calculating initial stacking defect indexes; and eliminating illumination artifacts in combination with the structural similarity index to finally obtain a real defect index. According to the method, the stacking defect detection accuracy is effectively improved, the missed and false alarm rate is reduced, the detection requirements of illumination fluctuation and bent edge washboard defects can be met, and the production quality control requirements of corrugated boards are met.
Owner:KARRY COMP TECH
Bonding device for corrugated board processing
InactiveCN222112411UEasy to solidifyNot easy to solidifyLiquid surface applicatorsCleaning using toolsAdhesive glueElectric machinery
The utility model provides a bonding device for corrugated board processing, and belongs to the technical field of corrugated board bonding. The bonding device for corrugated board processing comprises a bottom plate, two supporting plates are fixedly installed at the top of the bottom plate, an upper glue roller is rotatably installed between the two supporting plates, an anti-solidification mechanism comprises a fixing cylinder, a rotating cylinder, a power blade, a lower glue box, a sliding plate and a force bearing blade, and the fixing cylinder is fixedly installed between the two supporting plates. The anti-solidification mechanism is arranged, the motor is started, the rotary drum is driven to rotate, glue in the fixed drum keeps flowing and is not prone to solidification, when the rotary drum rotates, the power blade is driven to move, the force bearing blade is extruded to move downwards, the glue flows into the gluing roller from a gap, and when the power blade does not make contact with the force bearing blade any more, the glue flows into the gluing roller. And through resilience force of the spring, the sliding plate returns to the original position, so that the problem that glue is easy to solidify during gluing is solved.
Owner:DANDONG YUTONG INTELLIGENT EQUIPMENT CO LTD
High-strength anti-deformation corrugated board
The utility model relates to a high-strength anti-deformation corrugated board, which belongs to the technical field of corrugated boards and comprises a base board, an outer reinforcing board, an inner reinforcing board, first corrugated paper and second corrugated paper. The upper side and the lower side of the base plate are fixedly connected with first corrugated paper and second corrugated paper correspondingly, and the upper side and the lower side of the base plate are fixedly connected with first compression-resistant ribs correspondingly. According to the high-strength anti-deformation corrugated paperboard, the compression resistance and buffering capacity and the structural strength of the whole paperboard can be improved, tearing can be effectively prevented, meanwhile, the anti-shearing force effect and flexibility of the paperboard are enhanced, and therefore the bending resistance effect and the capacity of restoring the original shape after bending of the whole paperboard can be improved; therefore, the deformation resistance of the paperboard is enhanced under the condition of keeping good structural strength, and the practical effect of the paperboard is greatly improved; and the arranged protection structure can prevent other external objects from damaging the paperboard, and the service life of the paperboard is effectively prolonged.
Owner:JIANGSU JIEFEI ELECTRICAL CO LTD
Corrugated board recycling device
Owner:HANGZHOU FUYANG DINGYOU PACKING CO LTD
Resin-containing pretreatment liquid for inkjet printing and recording method
An aqueous pretreatment liquid for inkjet printing comprises resin particles having an average diameter of 1 [mu] m or less and comprising a first polymer and a second polymer, and a fixing agent, the first polymer is a polymer selected from the group consisting of polyureas, polyurethanes, polyamides, polyesters, polycarbonates, polysulfonamides, polyamides, polysulfonamides, melamine-based polymers, silica-based sol-gel polymers, and combinations thereof, and the second polymer is a polyoxyalkylene graft polymer obtained by polycondensation or addition polymerization, the polyoxyalkylene graft has a number average chain length of 20 or more oxyalkylene units. The pre-treatment liquid is useful for inkjet printing on packaging materials such as cardboard or corrugated cardboard.
Owner:AGFA NV
Intelligent sorting device for corrugated boards
The invention relates to the technical field of corrugated board sorting, and particularly provides a corrugated board intelligent sorting device which comprises a feeding conveying part, a sorting part and a sorting part, the detection part and the control part are arranged on the feeding conveying part and are used for detecting the size and the surface quality of corrugated paper; the sorting part is used for transferring the corrugated boards of which the sizes and the surface quality accord with preset parameters to the next working procedure under the control of the control part; according to the intelligent corrugated board sorting device disclosed by the embodiment of the invention, the detection part is arranged in the feeding stage, the detection part detects the size and the surface quality of the corrugated boards, and when the size and the surface quality of the corrugated boards meet the preset values, the control part controls the sorting part to flow to the next procedure, so that the sorting efficiency is improved. Therefore, the situation that the size of the corrugated board is wrong or the surface quality does not meet the requirement is prevented, and the effect of improving the carton yield is achieved.
Owner:SHAANXI XINRONG PACKAGING CO LTD
Corrugated board logistics information tracking method and system based on RFID
PendingCN121526472AMemory record carrier reading problemsKnowledge representationLogistics managementDynamical optimization
The invention relates to the technical field of logistics information management, and particularly discloses a corrugated board logistics information tracking method and system based on RFID, logistics state data of corrugated boards are obtained through RFID and preprocessed, a knowledge graph including entities such as corrugated cartons, storage nodes and transportation tools and association relationships is constructed, the nodes are converted into low-dimensional vectors, and the low-dimensional vectors are stored in a database; key factors and causal effect values which cause anomalies in entity association are mined by utilizing a causal forest algorithm, an abnormal propagation path is reasoned through a graph neural network, a root cause report is generated, targeted decisions such as sorting adjustment, equipment maintenance and path re-planning are generated accordingly, and a graph and a model are updated in real time to adapt to dynamic changes. According to the method, multi-dimensional data, entity relation modeling, causal effect analysis, propagation path reasoning and dynamic optimization design are integrated, the problems of unclear explanation of abnormal root causes and lack of pertinence in decision making in traditional corrugated board logistics tracking are effectively solved, and the accuracy of logistics information tracking and decision making effectiveness are improved.
Owner:KARRY COMP TECH
Automatic corrugated board feeding device
The invention relates to the technical field of corrugated paper feeding, in particular to an automatic corrugated board feeding device which comprises a bearing frame and a conveying platform, a through opening is formed in the conveying platform, a lifting platform is arranged under the through opening, and a supporting plate and a pushing mechanism are arranged on the lifting platform. The pushing mechanism comprises a strip-shaped mounting table, a translation rod, a translation driving part and two one-way rubber wheels, a notch is formed in one end of the supporting plate, a roller conveying part, a limiting frame, a gravity downward pressing part and a blocking part are arranged at the top of the conveying platform, the roller conveying part comprises two rotating rollers, the gravity downward pressing part comprises a pressing plate, and the blocking part comprises a plurality of limiting strips. When the one-way rubber wheels translate in the forward direction, the one-way rubber wheels cannot rotate, so that the bottom-layer paperboard is pushed forwards through friction between the one-way rubber wheels and the paperboard, and when the one-way rubber wheels translate in the reverse direction, the one-way rubber wheels roll automatically due to contact with the paperboard. And at the moment, through rolling of the one-way rubber wheels, the paperboards above are prevented from being pulled and conveyed reversely when the one-way rollers return.
Owner:JIANGMEN PENGJIANG HAILI PACKAGING MATERIALS CO LTD
Corrugated board printing quality detection device
ActiveCN119104567AThe surface to be inspected is flatDetection effectOptically investigating flaws/contaminationCleaning using toolsPaperboardStructural engineering
The invention discloses a corrugated board printing quality detection device, and relates to the technical field of corrugated board detection. According to the corrugated board printing quality detection device, through arrangement of an arc-shaped transmission block, a plurality of conical plugs can be inserted into corresponding holes through reciprocating operation of the arc-shaped transmission block in the conveying process of a paperboard body, depressions, generated due to pressure, of the two sides of the paperboard body are opened, and along with operation of a negative pressure device, the corrugated board body is prevented from being damaged. According to the paperboard body detection device, air inflation operation can be carried out on the interior of the hole through the multiple air inflation holes, the to-be-detected face of the paperboard body tends to be flat, the situation that the subsequent detection effect is affected due to the fact that the paperboard body is pressed is avoided, on one hand, the production quality of the paperboard body is guaranteed, and meanwhile the detection effect of the paperboard body is improved.
Owner:XINGHUA PACKAGING
High-strength composite corrugated board and preparation process thereof
InactiveCN119663686Ahigh strength bearing capacityhigh strengthWater-repelling agents additionSpecial papercardboardPolyurethane adhesive
The high-strength composite corrugated board is characterized by comprising an inner paper layer, a flexible composite layer, an adhesive paper layer, a paper core, a buffer foam board, a reinforced composite layer and a surface paper layer which are sequentially arranged from top to bottom, the upward waveform of the paper core is of a parabola-shaped top structure, and the downward waveform of the paper core is of a triangular vertex angle structure. The corrugated board has the beneficial effects that the compression resistance and the strength of the outer side and the stress buffering performance of the inner side are guaranteed, the overall strength and the bending resistance of the corrugated board are enhanced, the bonding strength is guaranteed by providing a new formula of the flame-retardant polyurethane foam and the waterproof polyurethane adhesive and a combined use method, and the service life of the corrugated board is prolonged. The toughness and the buffering effect are enhanced, the toughness and the pressure bearing capacity of the paperboard are enhanced, and meanwhile the excellent waterproof and flame-retardant effects are guaranteed.
Owner:宿迁科佳环保科技有限公司
High-strength corrugated board and preparation method thereof
InactiveCN119266027Awell mixedStrong coating structureFlexible coversCoatings with pigmentscardboardPolymer science
The invention relates to a high-strength corrugated board and a preparation method thereof, and belongs to the technical field of corrugated board preparation. In the coating disclosed by the invention, diatomite, aluminum oxide, graphene oxide, rare earth oxide, carbon nanotubes and the like are uniformly mixed through mechanical actions such as ball milling and the like to form a stable solid-liquid mixture. The preparation method comprises the following steps: dissolving polyvinylidene fluoride resin and polymethyl methacrylate in an ethyl acetate solution to form a uniform mixed solution; the organic resin and the inorganic filler are combined through Van der Waals' force, hydrogen bonds and other interaction forces to form a firm coating structure, and through heating and pressure forming of the paperboard and a modified wear-resistant coating sprayed on the surface of the surface paper, a final product has high mechanical strength and wear resistance, and the safety of articles in packages can be better protected.
Owner:ZHUHAI ZHENGYE PACKAGING
Corrugated board based on waterproof coating and preparation method thereof
The invention discloses a corrugated board based on a waterproof coating and a preparation method thereof, and relates to the technical field of packaging materials, the corrugated board comprises corrugated medium paper and a bionic gradient response waterproof coating coated on the surface of the corrugated medium paper; the bionic gradient response waterproof coating is composed of a waveform adaptive resin matrix, a dynamic cross-linking agent system and a reconfigurable pore filler. In order to solve the problem of cross-linking failure caused by uneven drying, asynchronous shrinkage, microcracks and unbalanced heat and mass transfer of a corrugated board due to a waveform structure, a bicontinuous gradient network is formed through a bionic gradient response waterproof coating (containing waveform adaptive resin, a dynamic cross-linking agent and reconfigurable pore filler); and in cooperation with surface energy pretreatment, electrostatic atomization coating and segmented drying processes, ridge peak / ridge valley performance balance is achieved, the drying defect and crosslinking dynamic unbalance are solved, the waterproof durability and environmental adaptability are improved, and the equipment cost is reduced by 70%-80%.
Owner:ZHEJIANG HUIXING PACKAGING CO LTD
Biodegradable corrugated board and processing technology thereof
The invention belongs to the technical field of corrugated paperboards, and is characterized in that wood fibers and modified bamboo fibers prepared by reaction of allyl bamboo fibers, 1, 4-butanediol di (mercaptoacetate) and magnolol are pulped, a biodegradable water-resistant auxiliary agent is added for hydrophobic modification, papermaking and shaping are carried out to prepare water-resistant base paper, and the water-resistant base paper is prepared by the following steps: pulping the modified bamboo fibers and the biodegradable water-resistant auxiliary agent. And finally, preparing a surface paper layer, a corrugated medium paper layer and an inner paper layer from the water-resistant raw paper, and bonding and pressing to obtain the corrugated board. Magnolol groups grafted on the surfaces of the modified bamboo fibers can improve the water absorption performance of the fibers, and the hydrophobicity of the corrugated board is improved through the synergistic effect of the magnolol groups and the biodegradable water-resistant auxiliaries; the surface of the biodegradable water-resistant auxiliary agent is embedded with a carboxylated nano-cellulose structure, so that the biodegradable water-resistant auxiliary agent has deformation resistance; the epoxidized soybean oil is used as a core part and has excellent hydrophobicity; through combination of a polyphenol structure of tannic acid and hydrogen bonds of water-resistant base paper fibers, the mechanical properties of the corrugated board are improved, and the corrugated board has excellent biodegradability, hydrophobicity and mechanical strength.
Owner:QINGDAO HAIWANG PAPER PROPERTY SHARE CO LTD
An insulating transport and storage container
PendingUS20250263221A1Lighting and heating apparatusDomestic cooling apparatuscardboardThermal insulation
A transport container formed of insulated board such as corrugated or laminated plastics and treated paper and treated card that can provide a high degree of thermal insulation. A pallet shipper storage container that can operate at ultra-low temperatures akin to those at which solids such as carbon dioxide sublimate and method of use of such shippers and containers.
Owner:SOFTBOX SYST LTD