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1377 results about "Plastic bag" patented technology

A plastic bag, polybag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile. Plastic bags are used for containing and transporting goods such as foods, produce, powders, ice, magazines, chemicals, and waste. It is a common form of packaging.

Stretch resistance detection device for plastic packaging bag

The invention relates to the technical field of plastic packaging bag tensile detection, and discloses a plastic packaging bag tensile detection device which comprises a processing platform, a storage cabinet is arranged in the processing platform, supporting legs are fixedly connected to the four corners of the bottom of the processing platform, and a tensile detection mechanism is arranged at the top of the processing platform; the four corners of a plastic bag are stably clamped through a screw rod, a movable clamping plate and a fixed clamping plate, cooperative movement of a motor sliding rail, a linear motor, a movable frame, a sliding rod and a first sliding block is matched, pulling force on the two sides is converted into pulling force in four directions through an inclined sliding groove and a second sliding block, and stretching resistance detection in the four directions is conducted on the plastic bag. According to the design, the limitation that only two-side stretching detection is adopted in the prior art is overcome, the tensile data of the plastic bag in different directions can be obtained, the tensile performance of the plastic bag can be comprehensively evaluated, a more accurate basis is provided for quality evaluation, it is ensured that the plastic bags with different purposes can bear the tensile force in the corresponding direction in actual use, and the detection precision is improved.
Owner:JIANSHI SUPER PLASTIC IND CO LTD

Biodegradable plastic bag and preparation method thereof

The invention relates to the field of plastic bags, and discloses a biodegradable plastic bag and a preparation method thereof, the biodegradable plastic bag comprises polylactic acid, poly (butylene adipate-co-terephthalate), a functional additive, modified starch, a lubricant and an antioxidant; the functional additive is prepared by grafting hydroxylated modified castor oil and isocyanated montmorillonite loaded titanium dioxide; the hydroxylation modified castor oil is prepared by modifying castor oil with chloroethyl isocyanate, then reacting with N-allylimidazole, and then reacting with 6-mercaptohexyl-1-alcohol; the isocyanated montmorillonite loaded titanium dioxide is prepared by reacting montmorillonite loaded titanium dioxide obtained by a sol-gel method with isophorone diisocyanate; the modified starch is prepared by reacting octadecanoyl chloride and acryloyl chloride with starch, then carrying out graft copolymerization with ethyl acrylate and further introducing glycidyl methacrylate, so that the plastic bag is endowed with excellent mechanical properties, biodegradability and antibacterial property.
Owner:安庆市众友塑料包装有限公司

High-toughness plastic bag processing technology

The invention relates to the technical field of plastic product processing, and discloses a high-toughness plastic bag processing technology which comprises the following steps: firstly, primarily sorting recycled main raw materials, recording sources, grade classification and processing states, configuring a centralized feeding system and an intelligent proportioning program, and carrying out intelligent proportioning on the main raw materials; the mixed raw materials are injected into a five-layer co-extrusion die head or an annular die head structure, then an extrusion film body is controlled through a control system to conduct film blowing treatment on an extruded film to form film bubbles, then film blowing is conducted, the film bubbles are cooled through a 360-degree cooling air ring and an internal air core, the film obtained after film blowing is completed is pulled to a winding section through a winding system, and then the film is obtained. Before rolling, mechanical performance indexes are detected through an online monitoring instrument, and a finished film roll enters a bag making / slicing section according to order requirements. Through fine treatment and multi-layer co-extrusion process design of recycled plastics, high-proportion recycled materials are effectively applied to production of plastic bags, and the effect of remarkably improving the utilization rate of the recycled materials is achieved on the premise that the performance of finished products is not reduced.
Owner:SHANGHAI XUNENG PLASTIC PROD CO LTD

Antibacterial degradable plastic bag and preparation method thereof

The invention relates to the technical field of plastic bags, in particular to an antibacterial degradable plastic bag and a preparation method thereof. The antibacterial degradable plastic bag is prepared from the following raw materials in parts by weight: 60-80 parts of polyhydroxyalkanoate, 30-40 parts of filler, 2-4 parts of an antioxidant and 0.6-1 part of an active agent. In the preparation process of the antibacterial degradable plastic bag, in a filler system, vesuvianite powder and eggshell powder are used as inorganic reinforcing phases, sericin and mulberry leaf powder are used as bioactive phases, flax and cotton provide a natural fiber structure, and lignin and konjac glucomannan are used as bio-based bonding materials; and the eggshell powder is compact in crystal structure after being subjected to high-temperature calcination treatment, and can be used as a stress transfer medium in a material system, so that the stress concentration when the plastic bag is stressed is reduced, and the strength performance of the plastic bag is improved.
Owner:XIONGXIAN YIFENG HONGYAO PAPER PLASTIC PACKAGING MATERIAL CO LTD

Lidar sensor denoising for adverse conditions and / or nonsalient objects

Particulate matter, such as fog, snow, rain, steam, vehicle exhaust, debris (plastic bags), etc. may cause one or more sensor types to generate false positive solid surface detections. In particular, various depth measurements may be impeded by particulate matter. Identifying false positive return(s) may comprise clustering lidar points, determining differences in range indicated by two different lidar devices having lidar points in the cluster, determining first differences that are more negative than a negative difference threshold and second differences that are more positive than a positive difference threshold, determining a first portion of lidar data in the cluster associated with the first differences and the second differences is associated with particulate matter or debris, and controlling a vehicle based at least in part on suppressing the first portion of the lidar data or indicating that the first portion of the lidar data is associated with particulate matter or debris.
Owner:ZOOX INC

Intelligent optimization method for forming parameters of plastic bags and suitcases

The invention discloses an intelligent optimization method for forming parameters of a plastic bag, which relates to the technical field of processing optimization and comprises the following steps of: fitting a response curve of each feature in a material-process feature matrix to a forming defect, and calculating unit structure performance indexes under different process configurations based on the response curve so as to evaluate the forming quality of the plastic bag. The method comprises the following steps: counting unit structure forming parameters and performance indexes of each region according to design partitions of a plastic bag, constructing an overall performance mapping model through region weighting, and judging whether the forming parameters of the plastic bag need to be optimized or not according to the performance indexes of each region and the overall performance mapping model. And a corresponding plastic bag forming parameter optimization strategy is generated according to a judgment result. According to the optimization method, an overall performance mapping model is established through performance index statistics and weighting processing of regional partitions, so that a forming optimization strategy can consider local quality control and overall performance collaboration, and the comprehensiveness and reliability of an optimization decision are enhanced.
Owner:HUNAN QIXIU TECH CO LTD

Plastic bag quality detection system based on image recognition

The invention discloses a plastic bag quality detection system based on image recognition, and relates to the technical field of quality detection, and the system comprises an image acquisition module which is used for obtaining an original image sequence on a production line; the strategy execution module is used for outputting a final quality detection result according to the dynamic strategy coefficient; the result archiving and feedback module is used for aggregating the final quality detection result and outputting an early warning instruction for prompting an operator to intervene; the core state sensing module is used for solving a system risk index based on the historical structured quality data; and the dynamic decision and adjustment module is used for inputting the system risk index into a preset nonlinear adjustment function so as to generate a dynamic strategy coefficient. According to the method, the detection model is adaptively adjusted through the dynamic strategy coefficient, the risk index is fused to perceive the quality trend, a closed-loop control architecture is constructed, collaborative optimization of the speed and precision is achieved, system oscillation is avoided, the quality risk is warned in advance, and the production efficiency and stability are improved.
Owner:SHAANXI FUFENG QINXING PLASTIC PROD CO LTD

Self-adaptive intelligent power grid monitoring device and method thereof

The invention discloses a self-adaptive intelligent power grid monitoring device and method, relates to the field of power grid monitoring, and solves the problem that an existing power grid monitoring device is low in safety. The self-adaptive intelligent power grid monitoring device comprises a monitoring host and two heat dissipation cylinders installed on the outer side of the monitoring host, and heat dissipation fans are installed on the inner sides of the heat dissipation cylinders; an annular frame is mounted at one end of the heat dissipation cylinder, and four filter screens are fixedly mounted on the inner side of the annular frame; the protection mechanism is used for removing the plastic bag on the outer side of the heat dissipation cylinder, the protection mechanism is installed on the inner side of the annular frame, the protection mechanism comprises four spray heads, and the four spray heads can blow the plastic bag out of the heat dissipation cylinder; by means of the protection mechanism, air can be injected into the four spray heads, the four spray heads spray air to a plastic bag close to the heat dissipation barrel, the plastic bag can be separated from the heat dissipation barrel, the problem that the plastic bag blocks the heat dissipation barrel is solved, and therefore the safety protection effect is achieved.
Owner:GUANGDONG POWER GRID CO LTD +1

Environment-friendly degradable plastic food packaging bag and preparation method thereof

The application discloses an environment-friendly degradable plastic food packaging bag and a preparation method thereof. The food packaging bag comprises the following raw materials in parts by weight: PBAT 90-100 parts, PLA 10-20 parts, antibacterial modified nano calcium carbonate 15-20 parts, polyethylene wax 1-2 parts, and titanium dioxide 1-2 parts. PBAT and PLA are used as the base material in a large proportion and a small proportion respectively. When the component ratio is greatly different, the intermolecular force between PBAT and PLA is stronger, and the miscibility is better. The two base materials are first mixed to prepare base particles. When the base particles are mixed with other components, better compatibility is achieved. The prepared degradable plastic food packaging bag has more excellent mechanical properties. When the antibacterial modified nano calcium carbonate is melted with other components of the plastic food packaging bag, better compatibility is achieved, and the fluidity of the material during melting is better. Meanwhile, the prepared plastic bag is not easy to precipitate, and the antibacterial performance of the plastic food packaging bag can be maintained for a long time.
Owner:SHANTOU ZHONGYI PACKAGING IND CO LTD

A fully automatic packaging machine for 5G communication PCB boards

The present invention discloses a fully automatic packaging machine for 5G communication PCB boards, which belongs to the field of processing and packaging of PCB boards. It comprises a special frame, a pushing device 1, a pushing device 2, a heat sealer, a vacuum secondary sealer, a workbench, a conveyor belt 1 and a conveyor belt 2, wherein the pushing device 1, the heat sealer and the vacuum secondary sealer are fixed on the workbench, and the pushing device 2 is fixed on the support frame on the other side of the conveyor belt 1. The present invention folds a piece of plastic film in half through a special frame, and pushes the PCB board onto the plastic film through two pushing devices, and then seals and cuts one end of the plastic film through a heat sealer, and finally vacuumizes the plastic film and seals it twice through a vacuum secondary sealer. The special frame designed by the present invention improves the packaging efficiency of the plastic film and saves costs, and the vacuum secondary sealer realizes two sealing operations on the plastic bag after vacuuming, which can effectively prevent the plastic bag from leaking, and can better ensure the sealing effect of the packaging bag of the PCB board.
Owner:SOUTHWEST PETROLEUM UNIV

Cutting device for plastic bag processing

The utility model discloses a cutting device for plastic bag processing, which relates to the technical field of plastic bag production and comprises two side plates symmetrically arranged, a processing table is fixedly arranged between the two side plates, a convenient assembly is slidably arranged between the two side plates through a power assembly, and a cutting assembly is further arranged between the two side plates. And a leveling assembly is arranged on the cutting assembly. When the cutting device is used for cutting the next section of plastic bag, the plastic bag does not need to be pulled out manually, the plastic bag does not need to shuttle below the cutting assembly manually, the specified length of the plastic bag can be pulled out, and the problems that when an existing cutting device for plastic bag processing is used for cutting the next section of plastic bag, the plastic bag needs to be pulled out manually, and the cutting efficiency is high are solved. The problems that in the prior art, the machining efficiency is low, certain dangerousness exists due to the fact that hands shuttle at the lower end of a cutting assembly, and workers cannot pull out plastic bags by the specified length are solved.
Owner:CHUZHOU MINGLANG PACKAGING MATERIALS CO LTD

System, method and device for total control of craft breweries

A system, method, and device to promote a compact and direct solution for craft breweries to distribute their products via kegs instead of using stainless steel and CO2 barrels, where a polymeric barrel containing an internal plastic balloon is used. This balloon is filled with beer, and, as it is filled the internal volume of the barrel is occupied, however, the internal volume is not fully filled by the balloon with beer. When full, pressurized atmospheric air is applied, without the need for filtration, since, due to having an internal plastic balloon, atmospheric air does not meet the beer. As the beer-filled barrel is filled with air, the plastic balloon is evenly crushed from all directions. While the inner plastic bag is emptied, the internal pressure must be restored with pressurized air. In the end, there is a remnant of +−2% of the total volume of the beer.
Owner:AOSI INTELLIGENT TECHNOLOGY (HK) LTD

Degradable high-strength plastic bag and preparation method thereof

The invention discloses a degradable high-strength plastic bag and a preparation method thereof, and relates to the technical field of plastic bag preparation. The degradable high-strength plastic bag at least comprises the following raw materials in parts by mass: 40-60 parts of polylactic acid, 20-35 parts of poly (adipic acid) / butylene terephthalate, 5-15 parts of modified nano calcium carbonate, 3-8 parts of modified wood fibers, 6-8 parts of chitosan grafted polyglycidyl methacrylate nanoparticles, 0.5-2 parts of a lubricant, 0.3-1 part of an antioxidant and 2-5 parts of a degradation accelerator. And 0.5 to 1.5 parts of an ultraviolet stabilizer. According to the degradable high-strength plastic bag prepared by the preparation method disclosed by the invention, the polylactic acid and the poly (butylene adipate-co-terephthalate) are used as base materials, the modified nano calcium carbonate and the modified fibers are used as fillers, and the chitosan grafted polyglycidyl methacrylate nanoparticles are used as a compatilizer, so that the balance of high strength and degradability is realized; the prepared degradable high-strength plastic bag can be used as a high-performance flexible packaging material.
Owner:安庆市众友塑料包装有限公司

Bag opening device and bagging equipment

The utility model provides a bag opening device and bagging equipment, and relates to the technical field of packaging equipment.The bag opening device comprises two bag opening mechanisms which are oppositely arranged, and each bag opening mechanism comprises an adsorption part and an opening part; the adsorption part can move in the first direction so as to approach and adsorb the plastic film sleeve and drive the plastic film sleeve to move outwards. The opening piece can drive the plastic film sleeve to move outwards in the first direction, the opening piece can drive the plastic film sleeve to move outwards in the second direction, the first direction is perpendicular to the second direction, and the bagging equipment comprises a rack and a bag opening device capable of moving on the rack in the vertical direction. According to the bag opening device and the bagging equipment, quick, accurate and damage-free plastic bag sleeving can be achieved, meanwhile, production cost is reduced, production efficiency is improved, human errors and potential safety hazards are reduced, and the technical problems that in the prior art, household appliance packaging procedures are high in cost and low in efficiency are solved.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD

Hot melting assembly

The utility model provides a hot melting assembly, and belongs to the technical field of hot melting packaging. The hot melting device is used in a tubular plastic bag sealing system, the tubular plastic bag sealing system comprises a pressing assembly opposite to a hot melting assembly, the hot melting assembly comprises a hot melting base and a heating assembly arranged on the hot melting base, the heating assembly comprises a first heating piece, a heating wire and a second heating piece which are arranged at intervals in the first direction, and the heating wire is located between the two heating pieces; the length direction of the two heating pieces and the length direction of the heating wire are both parallel to the second direction, the length is larger than the length of a bag opening of the plastic bag, and the first direction is perpendicular to the second direction. And the protection plate is arranged on the hot melting seat and covers the heating assembly, and the protection plate is provided with a first heat conduction part opposite to the two heating sheets and a second heat conduction part opposite to the heating wire. The hot melting assembly can effectively improve the qualified rate of no liquid leakage of the sealing of the garbage bag and improve the bearing capacity of the garbage bag.
Owner:GUANGDONG DONGLING ELECTRICAL APPLIANCES CO LTD

Adaptive robotic system for selective opening of flexible containers in waste streams

A system for selectively opening flexible containers, such as plastic bags, in a mixed solid waste stream is disclosed, for use in Material Recovery Facilities (MRFs) or other contexts. The system may include a conveyor configured to transport waste, a sensor configured to detect the presence and position of flexible containers, and a multi-degree-of-freedom positioning device that moves a cutting tool relative to the containers. A processor, in communication with the sensor and positioning device, may calculate a cutting path and control the positioning device to execute the cutting operation. The system may utilize various cutting tools, including punches, blades, spades, shovels, and motorized saws, as well as non-contact fluid-based cutting technologies such as air or water jets. Additionally, the system can dynamically adjust the cutting trajectory based on real-time feedback and environmental conditions. The method provides an adaptable solution to open bags without damaging recyclable materials, improving throughput and reducing waste in mixed waste streams.
Owner:CP MANUFACTURING INC

Intelligent control method and system of induction bundle bag garbage can

The invention provides an intelligent control method and system for an induction bundle bag garbage can. According to the method, firstly, the spatial gradient of infrared data of a bag opening is improved through an optical enhancement assembly to generate an annular temperature distribution diagram; dividing urgent and slow levels based on the standing distance of the user, and dynamically intercepting a time domain analysis window; establishing a correlation mapping library of the plastic bag material thickness, the historical failure record and the palm acceleration; after an environment temperature compensation annular graph is combined, a rule decision module outputs a deformation risk index; according to the index and the acceleration peak value, reconstructing a barrel cover damping response function to execute anti-wrinkle opening and closing; and the tension distribution closed-loop correction damping function of the bundle ring is reversely deduced through the vibration characteristics of the motor, so that the anti-wrinkle closed-loop control of the bag opening is realized. Through closed-loop cooperation of infrared space gradient strengthening, user behavior grading response and tension real-time feedback, self-adaptive anti-wrinkle control over the garbage bag opening in the opening and closing process is achieved.
Owner:ZHEJIANG MEARE SMART TECH CO LTD

Intelligent suspension conveying device and method for plastic bag processing

The invention relates to the field of suspension conveying systems, and discloses an intelligent suspension conveying device and method for plastic bag processing, and the intelligent suspension conveying device for plastic bag processing comprises a suspension type circulating conveying mechanism which comprises a ring type circulating moving assembly, a first driving assembly and a plurality of first suspension connecting pieces; the adjustable clamping mechanism comprises a distance adjusting assembly and two clamping assemblies. The rotating mechanism comprises a rotating assembly and a second driving assembly; the telescopic temporary storage mechanism comprises a temporary storage assembly, a telescopic capacity expansion assembly and a cutter; a circularly moving suspension conveying system is adopted, raw material packaging bags can be clamped at an automatic feeding position, then the raw material packaging bags are automatically cut through a telescopic temporary storage mechanism, raw materials are temporarily stored in the telescopic temporary storage mechanism, and after the telescopic temporary storage mechanism moves to a discharging position, the raw materials can be quantitatively put into a material mixing stirrer, so that the raw materials are fully mixed, and the raw materials are fully mixed. Therefore, the high-efficiency and high-precision conveying and feeding effects are achieved.
Owner:TIANJIN DABAO TECHNOLOGY CO LTD

Anti-blocking connecting pipe for irrigation and water conservancy irrigation

The utility model provides a farmland water conservancy irrigation anti-blocking connecting pipe which comprises a main pipe body, an attaching block and an inner connecting cylinder, a circular installation ring is fixed on the inner wall of the main pipe body, a filtering disc is fixed in the circular installation ring, a containing groove is formed above the attaching block, a spine dredging disc is placed in the containing groove, and a plurality of first magnetic sheets are installed on the bottom face of the spine dredging disc. By means of the design, the problems that due to the special structure of an original device, aquatic plants or waste plastic bags are prone to being blocked on the inclined face of the left side of a first filter screen and are not easy to clean, filter holes are prone to being blocked by sludge, and the filter holes are prone to being blocked by sludge are solved. The aquatic plant or waste plastic bag intercepting and cleaning device is reasonable in structure and good in practicability, aquatic plants or waste plastic bags can be intercepted conveniently, the aquatic plants or the waste plastic bags can be cleaned conveniently, meanwhile, the filter holes can be dredged rapidly, and circulation efficiency is guaranteed.
Owner:INNER MONGOLIA AOGU RICE XIANG FOOD CO LTD

Degradable plastic bag material and preparation method thereof

The invention provides a degradable plastic bag material and a preparation method thereof, and belongs to the field of plastic bag materials. The degradable plastic bag material is prepared from the following chemical components: 40 to 50 parts of polylactic acid, 15 to 25 parts of 3-hydroxybutyrate-co-4-hydroxybutyric acid copolymer, 5 to 15 parts of silane coupling agent modified starch, 3 to 8 parts of acetylated bamboo source nano cellulose, 5 to 15 parts of furan-terminated polylactic acid copolymer, 3 to 8 parts of bismaleimide dodecanedioate, 2 to 6 parts of coffee residue loaded WO3 and TiO2 and 1 to 5 parts of epoxidized soybean oil, the composition comprises the following components in parts by weight: 1-3 parts of sodium alginate microencapsulated lipase, 1-3 parts of quaternary ammonium salt modified hydrophilic kaolin, 0.1-1 part of zinc phenylphosphate and 0.1-0.8 part of polycarbodiimide. According to the application, the balance between the mechanical property and the degradation rate of the plastic bag material is realized through light-enzyme synergistic trigger degradation and dynamic covalent network regulation and control.
Owner:HUBEI JINDE PACKAGING CO LTD

Solid waste treatment equipment for urban environmental protection

The invention discloses solid waste treatment equipment for urban environmental protection, and relates to the technical field of waste treatment, the solid waste treatment equipment comprises a waste treatment group, and further comprises an anti-splashing fibrosis treatment conveying group, a uniformly distributed compression group and an adaptive deslagging filtering group; the roll shaft piece A and the roll shaft piece B are used for pressurizing / extruding the plant source waste in the transferring process; under the further treatment of the uniformly distributed compression group, the dual synergistic effect is achieved, and the compaction pain point is directly hit, so that the compaction quality and efficiency of the plant source waste are greatly improved; the roll shaft piece breaks vegetable long fibers through extrusion, and the possibility of cross winding of the fibers is preliminarily broken; the subsequent conical thorn pieces further pierce the residual fiber bundles, so that the fibers are prevented from being hooked again to form a'fiber arch frame '; meanwhile, the conical thorn piece can pierce a plastic bag / vegetable leaf wrapped with water, and a flexible supporting point is eliminated; and the materials are uniformly stressed in the compaction cavity through the mutual matching of the compaction cavity and the conditions of local overhead and non-uniform looseness are avoided.
Owner:CHONGQING UNIV

Electric mower for scenic spot

The invention discloses an electric mower for a scenic spot, and relates to the technical field of mowers, the electric mower comprises a mower body, the front part of a cutter head of the mower body is provided with a supporting mechanism used for preventing the cutter head from touching the ground, and the outside of the mower body is also provided with a limiting mechanism used for preventing the supporting mechanism from shaking; a cleaning mechanism for collecting waste plastic bags is further arranged on the front portion of the cutter head of the machine body, a traction mechanism for driving the supporting mechanism to rotate is arranged in the middle of the machine body, the supporting mechanism is arranged, the mower is supported on the ground through the supporting plate, the cutter head of the mower is suspended, and the cutter head is prevented from making contact with the ground; according to the hay mower, the blade of the hay mower can be effectively prevented from being damaged due to collision with stones, tree roots or other hard objects, the service life of the cutter of the hay mower is prolonged, the replacement and maintenance cost is reduced, meanwhile, the supporting plate is used for supporting, it can be guaranteed that the hay mower maintains a relatively fixed cutting height during operation, and the cutting efficiency is improved. Therefore, a more uniform and flat lawn surface is obtained.
Owner:YANGZHOU XINCHENG HIGH-SPEED RAILWAY STATION MANAGEMENT SERVICE CO LTD

Plastic bag punching device

The utility model provides a plastic bag punching device. Relates to the technical field of plastic bag production and discloses a plastic bag punching device which comprises a pneumatic puncher, an air cylinder is fixedly installed on the pneumatic puncher, an adapter block is fixedly installed on an output rod of the air cylinder, a connecting pipe is installed at the bottom of the adapter block in a threaded mode, and an extension pipe is fixedly installed on one side of the connecting pipe. A through hole is formed in the pneumatic puncher, the through hole is matched with the connecting pipe, a circular groove is formed in the bottom of the pneumatic puncher, a rotating plate is rotationally installed in the circular groove, four supporting arms are fixedly installed at the bottom of the rotating plate, and the four supporting arms are each slidably sleeved with a hanging lug; and two collecting boxes are arranged below the pneumatic hole puncher. The plastic bag disc collecting device has the advantages that the operation is convenient and fast, redundant plastic bag discs in the round holes can be rapidly collected, and the subsequent step of collecting the plastic bag discs is omitted.
Owner:XIAMEN XINXINGUANG PLASTIC PACKAGING

Thermoplastic bag with fiber-reinforced top

The present disclosure relates to a fiber reinforced thermoplastic bag (e.g., comprising a bag-in-bag). In one or more embodiments, the reinforced thermoplastic bag includes a plurality of fibers reinforcing a top-of-bag area where users often apply an external force to lift or carry the reinforced thermoplastic bag. In certain embodiments, the plurality of fibers is positioned across at least a portion of a grab-zone. Additionally or alternatively, the plurality of fibers reinforces a hem channel region. In particular embodiments, the plurality of fibers is positioned in between bag layers. For example, the plurality of fibers is sandwiched between an inner layer and an outer layer. In certain implementations, the plurality of fibers between layers is bonded to a particular layer, but not necessarily both layers. Additionally, the plurality of fibers can impart a variety of mechanical benefits. Further, the plurality of fibers is visually identifiable through one or both layers.
Owner:GLAD PRODUCTS CO

Environment-friendly plastic bag and preparation method thereof

The invention relates to the technical field of environment-friendly materials, and discloses an environment-friendly plastic bag which is of a three-layer composite structure composed of the following raw materials in parts by weight: an outer layer, 60-80 parts of polylactic acid, 40-60 parts of poly (adipic acid) or butylene terephthalate with a thickness ratio of 40%, and a middle layer, 75-90 parts of modified cassava starch, 25-35 parts of polyvinyl alcohol and 3-8 parts of a citrate cross-linking agent with a thickness ratio of 30%. The inner layer comprises 80-95 parts of polyhydroxybutyrate valerate and 15-25 parts of surface treatment calcium carbonate, the thickness ratio of the inner layer is 30%, the three layers are integrally formed through a co-extrusion film blowing process, and a micron-sized groove array is arranged on the surface of the outer layer. The outer layer adopts the blend of polylactic acid and dibutyl phthalate, the brittleness of polylactic acid is made up by utilizing the flexibility of dibutyl phthalate, and meanwhile, the use amount of pure polylactic acid is reduced, so that the cost is reduced by 40% compared with that of a pure polylactic acid bag; and 15 wt% of stearic acid is added into the inner layer polyhydroxybutyrate valerate to treat calcium carbonate, so that the performance is ensured, and the cost is controlled at the same time.
Owner:SHANGHAI XUNENG PLASTIC PROD CO LTD

Adjustable grocery bag holder

An adjustable holder holds variously sized and shaped bags for holding purchases at a retail check-out or other goods-delivery station, to accommodate cloth or other non-uniform bags as an environmentally friendly, reusable substitute for plastic bags. The holder is adjustable in depth to closely fit the depth of the bag so that fasteners reach and hold-up and hold-open corners of the bag for maximum and reliable opening and positioning of the cloth / non-uniform bag throughout the bag-loading process. The holder may be also adjustable in width. The checker and shopper typically need not hold the bag open or even touch the bag during the bag-loading step. The full bag remains in an upright position in the holder until the checker or shopper disconnects the bag from the holder and grasps the handles of the bag to lift and carry away the filled bag.
Owner:MULLER ROSLYN J

Cultivation method of high-yield and high-quality phellinus igniarius

The invention belongs to the technical field of fungus cultivation, and particularly relates to a cultivation method of high-yield and high-quality phellinus igniarius. The cultivation method comprises the following steps: (1) inoculating: preparing a culture medium, putting the culture medium into a plastic bag, sterilizing, cooling, and inoculating by using a phellinus igniarius strain; (2) spawn running management: culturing the inoculated plastic bag in a dark place; after 30-35 days of spawn running management, longitudinally extruding and shortening the fungus bags, continuing to culture, and entering fruiting management; (3) fruiting management: transferring the maturely cultured phellinus igniarius fungus bags into a fruiting greenhouse, marking rectangular fruiting openings in the middle parts of the fungus bags, and carrying out phellinus igniarius fruiting management; and (4) harvesting: obtaining the phellinus igniarius sporocarp 100-120 days after cutting. According to the cultivation method for the high-yield and high-quality phellinus igniarius, the biotransformation efficiency and the content of effective components of the phellinus igniarius are remarkably improved by optimizing the components and the proportion of the culture medium, and the technical problems that in traditional cultivation, the yield is low, and the content of the effective components is low are solved.
Owner:SICHUAN ACAD OF AGRI SCI SERICULTURE INST

Edge folding device for plastic bag production

The utility model mainly relates to the technical field of plastic bag processing, in particular to an edge folding device for plastic bag production, which comprises symmetrically distributed support frames, a first mounting plate and a second mounting plate are respectively arranged on opposite sides of the two support frames, and a gap between the first mounting plate and the second mounting plate is gradually reduced from top to bottom. A plurality of first guide rollers are rotatably mounted between the two first mounting plates, a plurality of second guide rollers are rotatably mounted between the two second mounting plates, the first guide rollers are linearly and uniformly distributed in the length direction of the first mounting plates, and the second guide rollers are linearly and uniformly distributed in the length direction of the second mounting plates; a movable plate is installed on one supporting frame, the length of a rotating frame fixed to the movable plate is gradually increased from top to bottom, and therefore all the edge folding wheels can gradually extrude the plastic bags from shallow to deep, and the situation that the extrusion depth is large, so that the plastic bags deform, and the machining yield is affected is avoided.
Owner:ANHUI XINHONG NEW PACKAGING CO LTD

Recyclable woven plastic bags with quad-seal and / or K-seal

A recyclable woven laminated plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from a woven polyethylene, polypropylene, or combination thereof layer which can be laminated using polyethylene, polypropylene, or combination thereof resin with a film layer formed from polyethylene, polypropylene, or combination thereof, can form a sealed corner bag and / or a diagonal sealed bag, and can have one or more sides include graphics and / or printing. The bag can also provide a top end and / or a bottom end either or both of which provide a discrete area which may contain discrete graphics and / or printing.
Owner:POLYTEX FIBERS LLC

An edge sealing machine for plastic bag processing

ActiveCN224465401UMeet the demand for fine control of edge banding widthPrevent deviationGear wheelMachine
The utility model relates to the technical field of edge banding machine, disclose a kind of edge banding machine for plastic bag processing, including processing platform, the top middle fixed connection of processing platform has bearing frame, the top both ends of bearing frame are fixedly connected with fixed plate, one side of the fixed plate is penetrated and rotationally connected with driving roller, one end of driving roller is fixedly connected with worm wheel, one side of the fixed plate is penetrated and rotationally connected with transmission rod, one end of transmission rod is fixedly connected with worm, and worm and worm wheel are engaged connection, the other end of transmission rod is penetrated and slidingly connected with rocker, the top of bearing frame is penetrated and slidingly connected with evenly distributed slider. In the utility model, the linkage between driving roller, worm wheel, transmission rod, worm, slider, connecting block, slide bar, connecting rod, slide plate, first gear, second gear and transport roller can meet the demand of plastic bag edge banding width fine control.
Owner:RONGCHENG COUNTY ANBO PAPER & PLASTIC PACKAGING CO LTD