325 results about "Protective gloves" patented technology

The present invention relates to a protective glove configured to protect a dorsal side of a hand of a user, comprising: —a flexible layer configured to fit against a back of the hand and comprising extensions that are each configured to extend along and fit against a respective proximal phalanx of a finger; —a rigid shell configured to extend over a metacarpal area and over knuckles of the back of the hand to thereby protect the back of the hand, wherein said shell is supported by said flexible layer and arranged at an offset relative to the back of the hand to thereby define a gap between the shell and the back of the hand; —wherein one or more than one of the extensions that are configured to extend along the proximal phalanx of the finger supports a phalanx protector that is configured to extend over the respective proximal phalanx, —wherein the phalanx protector is further configured to extend over a corresponding knuckle of the hand; and—wherein, at least when the fingers are extended, the rigid shell and the phalanx protector define an overlap and the phalanx protector that extends over the corresponding knuckle extends in the offset that defines the gap between the rigid shell and the back of the hand.

The invention relates to an acid-base permeation-resistant protective glove for a glove box and a preparation method thereof, the glove adopts ethylene propylene diene monomer, butyl rubber, halogenated butyl rubber, chloroprene rubber, chlorosulfonated polyethylene rubber and other base materials to significantly improve the acid-base resistance and mechanical properties of the glove, and the glove is especially suitable for strong corrosive environments such as concentrated nitric acid and the like. The preparation method comprises a multi-step mixing process, the shielding component, the reinforcing filler and the filler are reasonably configured, and the particle size of the shielding component is controlled, so that the shielding component is uniformly dispersed in the rubber, and the permeation resistance of the glove is effectively improved. In addition, the wear-resistant furnace black, the white carbon black, the PTFE, the high-density polyethylene, the ultra-high molecular weight polyethylene and other fillers are selected, so that the glove has a higher wear-resistant grade (grade 4), and the service life is prolonged. The preparation method of the glove is simple and easy to implement, and the finished product has excellent acid and alkali permeability resistance, mechanical property, wear resistance and radiation protection property.

The invention discloses a mold machining device and method, and belongs to the technical field of mold machining. The mold machining device comprises a polishing roller used for polishing, the polishing roller is rotationally arranged in a machining box, an observation window is formed in the top face of the machining box, and a transparent protection plate is arranged in the observation window; the side face of the protection box is provided with a protection glove which can be sleeved on the hand of a worker, the protection glove is arranged in the processing box and below the polishing roller, and the processing box is internally provided with a containing plate used for containing a mold. The device has the effect of reducing damage to the body of a worker.

The invention discloses an antistatic protective glove and a preparation method thereof, and relates to the technical field of protective gloves. The antistatic protective glove is prepared from the following raw materials in parts by weight: 50 to 60 parts of natural latex, 40 to 50 parts of neoprene latex, 0.4 to 2 parts of potassium hydroxide, 1.2 to 1.8 parts of peregal O, 1.5 to 3 parts of sulfur, 1 to 2 parts of accelerant BZ, 3.5 to 5 parts of antistatic agent, 0.5 to 1 part of sodium carboxymethyl cellulose and 1.2 to 1.8 parts of anti-aging agent. The preparation method of the antistatic agent comprises the following steps: firstly, reacting 1, 3, 5-tri (2, 3-epoxypropoxy) benzene with N1, N7 dimethyl heptane-1, 7-diamine to obtain a hyperbranched polymer, and then carrying out quaternization on the hyperbranched polymer and chlorinated octadecane to obtain the antistatic agent. The antistatic protective glove provided by the invention has excellent antistatic performance and anti-aging performance.

The invention discloses a preparation process of cutting-resistant and puncture-proof protective gloves, and belongs to the technical field of preparation methods of protective gloves. According to the technology, the four steps of pretreatment, composite coating material dipping, dipping of different butadiene-acrylonitrile rubber latexes and partitioned vulcanization treatment are adopted, balance of protection performance and wearing comfort is achieved through combination of technology optimization and material innovation, the cutting resistance of the prepared protective gloves reaches the grade E of the GB24541-2022 standard, the puncture resistance and the tear resistance both reach the grade 4, and the service life of the protective gloves is prolonged. And the composite material is good in air permeability and excellent in durability, is particularly suitable for high-risk operation scenes such as military, security and metal processing, and has remarkable technical progress and industrialization value.

The utility model provides a tool changing mechanism of a vertical machining tool, which relates to the technical field of vertical machining tools and comprises a driving shaft, a tool, an operation groove, a clamping groove, a tool disassembly anti-drop clamping driving mechanism and a clamping ring. According to the device, force for outward movement is applied to a clamping ring through a tool dismounting anti-disengaging clamping driving mechanism, the outer wall of a tool is sleeved with the clamping ring, and the clamping ring is located below a clamping groove in the outer wall of the tool; when the tool is detached and falls off due to gravity, the clamping ring is pulled to be clamped into the passing clamping groove to achieve clamping limiting, the tool does not fall off any more, at the moment, the clamping effect of the clamping ring needs to be manually relieved, and during the operation, workers have made psychological preparations due to the fact that the front tool falls off; and the protective gloves are worn to grasp the non-blade part of the cutter for disassembly, so that the problem that the cutter falls off due to insufficient preparation is avoided.

A static dissipative single use glove having a vertical resistivity of less than about 108 Ohm when determined according to EN 1149-2 and surface resistivity of less than or equal to about 106 Ohm when determined according to EN 1149-1, which includes a polymeric layer comprising conductive filler particles. A method to produce the single use glove is also disclosed.

The utility model discloses a wear resistance testing device for protective gloves, which comprises a test board, a test frame and a sample frame, the test frame and the sample frame are respectively and vertically mounted on two sides of the test board, the bottom of the test frame is mounted on the test board through a first adjusting component in a front-back sliding manner, and a grinding wheel is arranged in the test frame in a lifting manner. The bottom of the sample frame is installed on the test bench in a left-right sliding mode through a second adjusting assembly, a hand mold is rotatably installed on the sample frame through a third adjusting assembly, the surface of the hand mold is covered with an air inflation film layer, and the outer side of the air inflation film layer is sleeved with a protective glove. The device has the advantages that comprehensive wear resistance detection can be carried out on all positions of the protective glove, including the finger face, the first web, the palm and the back of the hand.

The utility model discloses welding splash-proof equipment for shipbuilding, and relates to the technical field of welding auxiliary equipment, the welding splash-proof equipment comprises a base and two carrying rings, the base is provided with a welding cabin and an exhaust assembly, the exhaust assembly is used for leading out waste gas generated in the welding process in the welding cabin, the welding cabin is provided with an observation window, a fixed pipe is fixed on the welding cabin in a penetrating manner, and the observation window is provided with an observation window. The ends, away from the welding cabin, of the fixing pipes fixedly communicate with fireproof cloth sleeves. The welding cabin and the two end plates are used for comprehensively wrapping the welding position of a pipe fitting, the splicing position of the pipe fitting can be clearly checked through the observation window, a worker can penetrate through the fireproof cloth sleeve and the fixing pipe to enter the welding cabin after wearing protective gloves and protective sleeves, and the worker holds a welding gun by hand to complete welding machining of the pipe fitting in the welding cabin. The sleeve opening of the fireproof cloth sleeve can be tightened by means of the elastic rope and the pig nose buckle, welding spatter is further prevented from overflowing, the personal safety of workers is guaranteed, and fire protection hidden dangers are reduced.

The invention discloses an anti-radiation medical protective glove and a production process thereof, and belongs to the technical field of medical protective gloves, a polydopamine hollow microsphere is prepared by using ZIF-8 as a self-sacrifice template, bismuth and gadolinium elements are loaded through hydrothermal synthesis and ion adsorption, a composite shielding microsphere is prepared, and the composite shielding microsphere is used for preparing the anti-radiation medical protective glove. Then, the composite shielding microspheres and a nano starch enhanced cross-linked network are synergistically introduced into a natural latex matrix, after dipping forming, a hydrophilic / hydrophobic wetting gradient is constructed on a glove lining through mask auxiliary plasma etching, and the anti-radiation medical protective glove is prepared. Through the cooperation of the shielding function of the composite microspheres, the mechanical enhancement of a nano starch cross-linked network and the surface one-way moisture conduction function, the glove has excellent radiation protection performance and also has the characteristics of being light, flexible and comfortable to wear, the problems that a traditional lead rubber glove is heavy, rigid and poor in air permeability are effectively solved, and the service life of the glove is prolonged. The system is especially suitable for medical scenes requiring high flexibility and comfort, such as interventional radiosurgery.

A manual sorghum threshing device belongs to grain threshing devices and comprises a first unit, the first unit comprises a protective glove, the protective glove comprises a finger portion and a palm portion, a protective plate is arranged on the finger portion and / or the palm portion, and spine protrusions used for increasing friction force are arranged on the protective plate; the second unit comprises two unit bodies of the same structure, the two unit bodies are hinged, a threshing plate is fixedly arranged relative to the inner side faces of the unit bodies, the other side of the threshing plate is an arc-shaped edge, and edge teeth used for threshing are arranged on the arc-shaped edge. After the two unit bodies are buckled, the threshing plates arranged on the two unit bodies are matched to form a ring structure allowing sorghum stalks to penetrate through. The small-scale sorghum threshing device can achieve small-scale manual sorghum threshing, is simple and reasonable in structural design, convenient to use and low in cost, and can achieve high-efficiency sorghum threshing, so that the labor intensity of manual threshing is reduced, and the manual threshing efficiency is improved.

The invention discloses a rubber glove box protective glove with a latex coating and a manufacturing method. The glove comprises a mould pressing rubber layer and a local latex coating. The mold pressing rubber layer is prepared through mold pressing vulcanization forming and comprises rubber, a shielding component, a reinforcing filler, a filling agent, an active agent, an anti-aging agent, a plasticizer, a lubricating release agent, a vulcanizing agent and an accelerant. The local latex coating is prepared through latex impregnation, and latex components comprise latex, reinforcing filler, a stabilizer, a diffuser, an active agent, an anti-aging agent, a vulcanizing agent, an accelerant, a thickening agent, a defoaming agent and a coloring agent. Through formula design of the mold pressing rubber layer and the local latex coating and optimization of a latex dipping process, the glove box glove with high mechanical hazard protection performance in the local position is obtained on the premise that the ray protection function and wearing comfort are guaranteed, and the service life of the glove box glove is prolonged. And the service life of the glove box protective glove under the radiation and mechanical dual harm scenes is prolonged.

The invention discloses a blended yarn containing metal short fibers and a preparation method thereof.The blended yarn containing the metal short fibers comprises the following components: the metal short fibers, functional short fibers and matrix short fibers, the metal short fibers are made of at least one of steel wires, tungsten wires and silver-plated alloy wires, the components of the metal short fibers are 5-18%, the functional short fibers are made of metal fibers, and the matrix short fibers are made of metal fibers. The component of the functional short fiber is 20-35%, the functional short fiber is at least one of ultra-high molecular weight polyethylene, aramid fiber, glass fiber and basalt fiber, the component of the matrix short fiber is 47-72%, and the matrix short fiber is at least one of chinlon, polyester, polypropylene fiber, viscose, cotton fiber and fibrilia. The blended yarn material which is low in cost, high in stability and capable of meeting the cutting-resistant and conductive requirements at the same time is developed, the blended yarn material can be suitable for industrial protective gloves, anti-static work clothes, electromagnetic shielding fabric and other scenes at the same time, the application range of the blended yarn material is widened, and the blended yarn material has the high competitive advantage.

The utility model belongs to the technical field of radioactive waste treatment, and particularly discloses a radioactive waste sorting box which comprises a box body, a feeding port and a discharging port are formed in the two sides of the box body respectively, a feeding conveying belt and a discharging conveying belt are arranged in the feeding port and the discharging port respectively, and a vibration conveying plate and a roller conveyor are sequentially arranged between the two conveying belts. The box body is provided with a supporting platform, the vibration conveying plate is connected with the supporting platform through springs, the roller type conveyor is fixedly connected with the side edge of the supporting platform, a metal collecting box is arranged on the lower portion in the box body, and a transparent observation window is installed at the position, above the discharging conveying belt, of the side edge of the box body. And two protective glove interfaces are arranged on the transparent observation window. According to the radioactive waste sorting device, the vibrating conveying plate and the roller type conveyor are arranged, metal objects in radioactive waste are preliminarily separated, then the metal objects are manually sorted after being preliminarily separated, the time consumed by manual sorting work can be shortened, and the working efficiency is improved.

The utility model belongs to the technical field of skiing equipment, and particularly relates to a small foldable skiing device which comprises an auxiliary skiing crawler belt internally provided with a hub motor, folding assemblies are rotationally installed on the outer walls of the two sides of the auxiliary skiing crawler belt, each folding assembly comprises a hollow folding frame, and a telescopic assembly is arranged at one end of each hollow folding frame. The telescopic assembly comprises a fixed telescopic frame and a fixed telescopic rod, one end of the fixed telescopic frame is rotationally connected with one end of the hollow folding frame, a detachable protective glove is arranged on the upper surface of one end of the fixed telescopic rod, and a quick release assembly is arranged at one end of the fixed telescopic rod. The device is simple in structure and convenient to use, a user can conveniently carry the device to a great extent, so that the practicability of the device is improved, the two hands of the user can be protected against cold through the detachable protective gloves, then the two hands of the user are kept warm, and the practical effect of the device is enhanced.

The utility model discloses a protective glove with a liner, which comprises a glove body, a first sub-magic tape and a second sub-magic tape are arranged at the palm center of the glove body, and a second protective pad and a first protective pad are respectively adhered to the first sub-magic tape and the second sub-magic tape. The protective pad I, the protective pad II, the secondary magic tape I, the secondary magic tape II and the primary magic tape I are arranged and can be assembled according to the protection requirement of a user, so that the use hand feeling can be changed, the protective pad can be independently replaced when being worn, and the repair cost is low; through the arrangement of a first wearing belt, a magnetic block, a second wearing belt, a second mother hook-and-loop fastener, an adsorption iron sheet and a third son hook-and-loop fastener, the extending part of the second mother hook-and-loop fastener is limited, the glove is neat to wear, the second mother hook-and-loop fastener is protected, and the service life is prolonged.

The invention discloses a raw material filtering device for PVC protective glove production and a control method of the raw material filtering device, and relates to the technical field of PVC protective glove production, the raw material filtering device comprises a heat insulation shell, a cleaning mechanism and a filtering cylinder arranged in the heat insulation shell, and the cleaning mechanism comprises a mounting frame fixedly mounted on the back face of the heat insulation shell; a connecting rod is fixedly connected to the lower surface of the mounting frame, a mounting pipe is fixedly connected to the surface of the connecting rod, and an electromagnet is fixedly connected to the inner wall of one end of the mounting pipe. According to the device, when the filtering effect of the filter cartridge is reduced, the electromagnet is powered off, the push rod is driven to be away from the electromagnet under the action of the elastic force of the spring, the cleaning brush is further made to be attached to the inner wall of the filter cartridge, the filter cartridge rotates to enable the cleaning brush to scrape the inner wall of the filter cartridge, and therefore the filter cartridge is cleaned; and the sealing ring cleans the surface of the push rod, so that raw materials are not prone to entering the mounting pipe.

This invention relates to a high-precision molding method for glove box protective gloves, comprising: preparing a rubber compound; feeding the rubber compound into a calender, calendering it into sheets of fixed thickness each time; based on a modular design, cutting the sheets into several modular pieces of different sizes and shapes; placing the modular pieces of different sizes and shapes into a glove mold according to a set splicing position for compression vulcanization; and obtaining the glove box protective gloves after demolding. This invention, through extrusion calendering and modular design of the sheets, can precisely control the dimensional accuracy of the gloves, improving problems such as waste and high defect rates caused by inconsistent mold design and vulcanized sheet thickness, and achieving the production of large-size, irregularly shaped, high-precision, ultra-thin gloves.

The utility model relates to the technical field of medical instruments, and discloses a portable medical safety cabinet which comprises a cabinet body with a containing cavity, an opening and closing door is movably arranged on the cabinet body, and when the opening and closing door is opened, medicine can be fed into the cabinet body from the opening and closing door and taken out from the cabinet body; the negative pressure device can keep the accommodating cavity in a negative pressure state; a first flexible protective glove and a second flexible protective glove, wherein the first flexible protective glove is arranged on one side of the cabinet body; the second flexible protective gloves are arranged on one side, opposite to the first flexible protective gloves, of the cabinet body; the first flexible protective glove and the second flexible protective glove can be used for the left hand and the right hand of a medical worker to penetrate through respectively. Compared with the prior art, the medical safety cabinet has the advantages that the medical safety cabinet can ensure that sol, splashes and medicine particles generated by some special medicines cannot cause harm to medical staff, further effectively ensures the safety of the medical staff, and is simple in overall structure, small in size, small in occupied space and convenient to use and carry.

The utility model discloses a protective glove for preventing rat bite, which relates to the technical field of protective gloves and comprises a glove body, the glove body comprises a wrist protecting area and a hand protecting area, the wrist protecting area is arranged at the wrist of the glove body, a first magic tape is arranged in the middle of the hand protecting area, an anti-skidding needle is arranged on the surface of the hand protecting area, and a second magic tape is arranged on the surface of the anti-skidding needle. The middle structure layer formed by mutually overlapping structures is arranged in the glove body, the strength and pressure of mouse bites can be effectively reduced, meanwhile, due to the structure similar to scales, the glove has certain flexibility, the activity of the hand cannot be excessively limited, and a wearer can keep good hand flexibility; due to the fact that the anti-skidding needles of the needle-shaped structures are evenly arranged on the front face and the hand protection area of the glove body, friction force between the glove and a mouse can be increased, better road holding force and gripping force are provided, the mouse or a tool can be stably held, and accidental sliding or errors are reduced.

According to the quick-drying medical ray protective cream and the preparation method and application thereof, through effective combination of a radiation-proof material and a specific film-forming system, a powerful protective film can be quickly formed on the skin surface after the protective cream is smeared, the ray shielding effect of the protective cream is superior to that of interventional protective gloves, and meanwhile, the protective cream does not contain heavy metal such as lead and the like, so that the service life of the protective cream is prolonged. The safety and non-toxicity can be ensured. The paste can be directly smeared on the skin, the problems that traditional lead gloves are heavy and inflexible and the like are solved, the paste is particularly suitable for scenes such as interventional operations, effective ray protection can be achieved, and meanwhile operation in the operation process cannot be affected.

1. The name of the product of this design: protective gloves. 2. Purpose of the product of this design: a protective glove worn on the hand to prevent water from flowing back onto the arm. 3. The design key point of this appearance design product lies in the overall shape of the product. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

This invention discloses a lightweight, long-tube chemical protective glove and its preparation method. The lightweight, long-tube chemical protective glove includes an inner glove core and a rubber compound coated on the outer layer of the glove core. The preparation method includes: glove core preparation; rubber compound preparation; glove core pretreatment; glove core impregnation; and lightweight, long-tube chemical protective glove preparation. The advantages of this invention are that the prepared long-tube chemical protective glove maintains a rapid film-forming rate while considering both abrasion resistance and chemical protection, is lighter and thinner, and offers better wearing comfort and flexibility.

The invention discloses a protective glove with an embedded pressure sensor, the protective glove comprises a glove main body, the glove main body comprises a finger unit, a palm unit and a wrist display unit, the palm unit comprises a glove palm back and a glove palm center installed below the glove palm back; a protective device is movably mounted above the palm back of the glove; the finger unit comprises a first finger joint, a second finger joint, a third finger joint, a fourth finger joint and a fifth finger joint which are sequentially installed at the front end of the palm back of the glove at set intervals. A pressure sensor is arranged in the third finger joint and electrically connected with the wrist display unit. According to the technical scheme, the hand can be effectively protected against injury, and the glove protection layer can be replaced in time.

The invention provides a working table for processing protective gloves, which belongs to the technical field of glove processing and comprises a rack, a working table is fixedly mounted on the upper portion of the rack, side supports are fixedly mounted on two sides of the upper portion of the working table, a double-track conveyor is mounted between the side supports on two sides, and two tracks of the double-track conveyor are fixedly mounted on the side supports respectively. A glove conveyor is fixedly installed on the rear side of the rack, a downward pressing type hand mold assembly is installed on the double-track conveyor, and a glove pushing assembly is installed in the workbench. The single-rail linear motor drives the pressing rod to move, when the output rod of the pressing rod stretches out, the output rod of the pressing rod stretches into the groove, the extension rod is pressed downwards, the hand molds and the hand molds on the two sides are staggered up and down, the hand molds are sleeved with gloves by processing personnel, and the situation that the hand molds on the two sides block the glove sleeving action is avoided.

A protective guard for a hand, finger or thumb includes a first thermoplastic layer heat welded to second thermoplastic layer. The second thermoplastic layer has a thickness that is greater than the thickness of the first thermoplastic layer.

The present invention provides an automated access structure for a liquid nitrogen tank freezing box and a control method thereof, which relates to the technical field of laboratory sample cryopreservation, including a liquid nitrogen tank body mechanism, a freezing box moving module, a freezing rack slot module, a freezing rack rotating module, a liquid nitrogen supply module and a control module, wherein the control module is electrically connected to the liquid nitrogen tank body mechanism, the freezing box moving module, the freezing rack slot module, the freezing rack rotating module and the liquid nitrogen supply module; the liquid nitrogen tank body mechanism includes a liquid nitrogen tank module tank body and a tank body cover. The present invention adopts a mechanized access to the freezing box, which solves the problem that the entire freezing process of the prior art is manually operated, the operator needs to wear low-temperature protective gloves during the operation, the storage and retrieval position needs to be manually searched, which is time-consuming, and there is also a risk of manual error and thawing of the cryopreservation tube, resulting in a reduced sample revival rate, or even sample scrapping, resulting in irreparable losses.

The coating 10, 12 comprises waterborne polymer resin and binding agent. Preferably the resin is polyurea and the binder is added as a thickened aqueous premix comprising polyelectrolyte or polysaccharide and including a water retaining agent and polyurethane. The preferred coating applied to a fabric 8 glove has a viscosity of 400-1600 cps. The coating is preferably applied to a preheated wearable item, gelled for 5-20 minutes and cured at 95-105°C. The disclosed protective glove comprises nylon fabric 8 coated with two layers 10, 12 comprising waterborne polyurea, sodium carboxymethyl cellulose binder, water based polyurethane dispersion and pigment.

The invention belongs to the technical field of medical instruments, and discloses a medical pre-disinfection whole-course protective glove and a preparation method thereof.The body of the medical pre-disinfection whole-course protective glove is prepared from a latex outer layer and a medicine-soaked gauze lining layer which are integrally formed; the medicine-soaked gauze lining layer is prepared by soaking medical gauze in ethanol-herbal slow-release disinfection gel and then drying; the ethyl alcohol-herbal slow-release disinfection gel has weak viscosity, and when the ethyl alcohol-herbal slow-release disinfection gel is not used, the upper face and the lower face of the interior of the latex glove body are bonded, air in the latex glove body is emptied, meanwhile, an opening of the latex glove body is closed, and active ingredients are prevented from volatilizing and escaping. According to the invention, extra hand disinfection is not needed, active protection can be provided in the whole process of use by medical personnel, the protection effect is good, the use is convenient, the cost performance is high, and the device can be widely applied to the scenes of high-risk infectious virus sampling, field emergency medical assistance, chemotherapy drug configuration and the like, and has a wide application range.