162results about How to "Reduce entanglement" patented technology

A powered, lightweight soil tillage device, including an elongated hollow support member having a motor and handle at the upper end thereof, and the tillage assembly mounted at the lower end thereof. The tillage assembly comprises a pair of beams which are mounted on opposite sides of a gearbox and driven thereby. The upper ends of the beams are attached to idler or rocker beams so that each of the beams is moved in a generally circular path. Hoe blades or the like are secured to the forward ends of the beams and extend inwardly therefrom so that the hoe blades are disposed one behind the other.

Polymer brushes (50) in a resin that create phonon pathways therein The polymer brushes themselves comprise structured polymer hairs having a density of 0.8 to 1.0 g/cc, a chain length of 1 to 1000 nm, and a thermal conductivity of 0.5 to 5.0 W/mK. The polymer brushes are 10-25% by volume of the resin, and the polymer hairs can orient surrounding resin molecules to the polymer hairs alignment (55).

The invention discloses a reduction clutch for a washing machine and the washing machine. The reduction clutch comprises an input shaft, an input shaft sleeve, a brake wheel, a reducer, a dewatering shaft, an output shaft, a clutch device and a shell. The input shaft sleeve is installed on the input shaft in a sleeving mode, the dewatering shaft is installed on the output shaft in a sleeving mode, the reducer is installed on an inner cavity of the brake wheel, and the input shaft, the input shaft sleeve, the brake wheel and the output shaft are connected with the reducer respectively. The reducer is a double planetary gear train and comprises a first planetary gear train and a second planetary gear train, and the first planetary gear train and the second planetary gear train use a same planet carrier. The input shaft sleeve and the second planetary gear train are connected into one, the dewatering shaft and the brake wheel are connected into one, the output shaft is connected with input shaft in a transmission mode through the first planetary gear train, and the dewatering shaft is connected with the output shaft in a transmission mode through the brake wheel and the second planetary gear train. The conversion between the washing condition and the dewatering condition is controlled through the clutch device. The reduction clutch for the washing machine and the washing machine have the advantages that the structure is simple and compact, the manufacturing cost is low, the transmission is safe, reliable and efficient, the service life is long, and the noise is low.

The invention discloses a biological refining lignin-compatibilized thermoplastic biodegradable polymer material and a preparation method thereof. The material comprises the following components in parts by weight: 30-80 parts of thermoplastic polyester, 20-70 parts of biological refining lignin and 10-30 parts of assistant. The preparation method comprises the following steps: 1) crushing and screening the biological refining lignin and the polyester into 60-300 meshes through a high-speed pulverizer according to the parts by mass; 2) mixing the crushed mixture and the assistant through a high-speed mixer for 3-15 minutes at high speed under the conditions that the temperature is 65-105 DEG C and the rotating speed is 100-2000 r/min; and 3) adding the mixture and the assistant to a hopper of a twin-screw extruder, wherein the heating temperature of the extruder is 130-180 DEG C, the temperature of a handpiece is 140-180 DEG C and the rotating speed is 40-400 r/min. The biological refining lignin-compatibilized thermoplastic biodegradable polymer material has the advantages of being environment-friendly, low in cost, simple in preparation technology, and stable in product performance, and has a high promotional value.

A fishing rod cover system for protecting the fishing rod from damage and for reducing entanglement of the fishing line during nonuse. The inventive device includes an elongate cover having an upper opening and a lower opening, a pair of catch members attached to the elongate cover adjacent the lower opening, and an attaching member catchably attachable to the catch members. The elongate cover is formed to receive the elongate shaft of a fishing rod without damaging the shaft. The attaching member is formed to snugly engage the distal end of the handle of the fishing rod opposite of the shaft for retaining the cover about the shaft of the fishing rod. The attaching member includes a first strap and a second strap each having a plurality of nubs that are catchably inserted within the catch members for retaining the attaching member upon handle of the fishing rod.

The invention relates to a novel PEG (polyethylene glycol) in-situ covalent grafted modified alginate/polycation microcapsule. The microcapsule is a hydrogel bead of alginate, or the inside of the microcapsule is filled with liquid or hydrogel of alginate and the outer surface is a polyelectrolyte composite hydrogel film which is formed by polycation and alginate; a covalent bond is formed on the microcapsule through a click chemical reaction between an alkylene group and an azide group on the alginate, and PEG is grafted to the surface of the alginate hydrogel bead or alginate/polycation/ alginate microcapsule in an in-situ covalent mode; and a finished product is applicable to embedding of bioactive substances and living cells. The microcapsule film not only keeps excellent biocompatibility but also takes good film strength into consideration, so as to guarantee the integrity of the film in the processes of tissue cell transplantation as well as cell culture and application.

The invention relates to an alginate-chitosan microcapsule modified via in situ covalent PEG grafting. The structure of the microcapsule is divided into two parts, i.e., a microcapsule membrane and an inner core, wherein the microcapsule membrane is a polyelectrolyte composite hydrogel membrane formed by chitosan and alginate, the surface of the membrane is modified via in situ covalent PEG grafting, and the inner core is an alginate liquid or alginate hydrogel environment containing living cells. Because of resistance to protein adsorption, the microcapsule is applied to living cell encapsulation and used as an immunoisolation carrier for cell transplantation.

The invention discloses a temperature control box and a refrigerator with the same. The temperature control box comprises a box body, a display control panel and a main control panel, wherein both the display control panel and the main control panel are elongated and arranged in the box body. The main control panel and the display control panel are parallelly arranged at a preset interval which is larger than 15mm. According to the temperature control box, the display control panel and the main control panel are elongated and parallelly arranged in the box body, so that close connection of electronic components on the main control panel and the display control panel is facilitated; the elongated main control panel occupies small space, and the size of the temperature control box can be effectively reduced, so that the production cost of the temperature control box can be reduced; and the size of the temperature control box is small, so that wires in the temperature control box are short, the winding degree of the wires in the box body is reduced, arrangement of the wires in the box body is facilitated, and the check difficulty during system failure is reduced.

The invention discloses a slowdown clutch for a washing machine. The slowdown clutch comprises an input shaft, an input shaft sleeve, a brake wheel, a speed reducer, a dewatering shaft, an output shaft, a lower shell and a clutch device, wherein the speed reducer is installed in an inner cavity of the brake wheel, the dewatering shaft and the brake wheel are connected into a whole, the input shaft, the input shaft sleeve, the brake wheel and the output shaft are all connected with the speed reducer, the speed reducer is a double-planet gear train composed of a first planet gear train body and a second planet gear train body, the input shaft sleeve and a wheel carrier of the second planet gear train body are connected into a whole, and the input shaft sleeve is movably connected with the brake wheel; the clutch device comprises a positioning disc fixedly installed on the lower shell, a torque transmission shaft sleeve fixedly installed on the input shaft, a clutch disc installed on the input shaft sleeve and capable of being connected with or disconnected from the positioning disc and the torque transmission shaft sleeve, and a clutch control mechanism used for controlling the clutch disc to be connected with or disconnected from the positioning disc and the torque transmission shaft sleeve. The slowdown clutch has the advantages of being simple and compact in structure, low in manufacturing cost, safe and reliable in transmission, efficient, long in service life and low in noise.

A clip for immobilizing leaflets of a cardiac or venous valve includes a hub having a pair of tangle resistant spring-biased outer arms coupled to an inferior end of the hub and a pair of tangle resistant spring-biased inner arms adjacent to the outer arms and coupled to a superior end of the hub. A delivery catheter may be used to position the valve clip adjacent a target valve while the outer and inner arms are biased in an opened position relative to each other. After the valve leaflets are located between the opened outer and inner arms, the biasing forces may be released to allow the clipto self-close the clip over the valve leaflets.

The invention discloses a dacron FDY oiling agent and a preparation method thereof, and relates to the field of dacron spinning oiling agents. The dacron FDY oiling agent is composed of the followingcomponents of, in percentage by weight, 14%-33% of base oil, 24%-38% of a smoothing agent, 7%-11% of a bundling agent, 7%-11% of an emulsifier, 5%-7% of an antistatic agent, 1%-3% of a penetrant, andthe balance additives. According to the dacron FDY oiling agent and the preparation method thereof, through the selection and proportioning of monomers, the prepared FDY oiling agent has good comprehensive properties of smoothness, bundling, static electricity resistance, permeation, heat resistance, sizing and uniform adhesion, is good in spinnability, greatly reduces abnormal broken filaments, broken ends, white powder and tension fluctuation and winding phenomena, and can significantly improve the superior product rate under the same spinning process conditions. In the subsequent printing and dyeing process, dyeing is difficult, the phenomenon of uneven dyeing is reduced, and the fiber dyeing M rate is increased.

The invention discloses an intelligent visitor access control system for a district. The intelligent visitor access control system comprises: a visitor visiting assembly; a data transmission assembly, which comprises a data storage module, an output module and a reception module; an entrance gate access control assembly, which comprises a gate body, a pair of door leaves, a first recognizer, a first comparison module and a first driving module; and a control assembly, which comprises a control module and an execution module. The intelligent visitor access control system is such configured that when two-dimensional code information recognized by the reception module and the first recognizer is identical and is in a valid period, the pair of door leaves are opened, or otherwise the pair of door leaves are closed; and when the pair of door leaves extend out, the free ends of the right and left door leaves approach each other to form a plane which forms an included angle of 30 to 60 DEG C relative to a passing direction so as to restrict passing. According to the intelligent visitor access control system, a pair of door leaves facilitates passing of a visitor are arranged at the entrance of the district through two-dimensional code interaction, recognition and confirmation of an owner, the visitor and an entrance guard terminal; through query of two-dimensional code information three times, people without authority are not allowed to pass; thus, the intelligent visitor access control system is safer and more efficient, convenient and intelligent.

The invention discloses a double-row silk thread oiling device. The double-row silk thread oiling device comprises an oil cover and an oiling box; oil overflowing boxes are arranged on the two sides of the oiling box; two rows of entrance holes which are distributed in a staggered way are formed in the oil cover; threading holes are formed in the two sides of the oiling box correspondingly; the bottom surface of each threading hole is an inclined surface; the lowest end of each inclined surface faces towards each oil overflowing box; a flow guide groove is formed at the bottom end of the outerside of each threading hole; an oiling roller is arranged in the oiling box; a spiral winding groove is formed in the surface of the oiling roller; a plurality of oil outlet holes are formed in the surface of the winding groove; an oil inlet channel capable of running through axially is formed in the end face of the oiling roller; the oil inlet channel is communicated with the oil outlet holes through an oil groove; a pair of extruding rollers are arranged in the oil overflowing box; and outgoing holes are formed in the two outer sides of the oil overflowing box. The double-row silk thread oiling device has the characteristics of oiling uniformly and improving silk thread quality, and also has the characteristics of large quantity of oiling silk threads, insusceptibility to winding and intersecting, low pollution and low cost.

The invention relates to a chitosan/5-hydroxymethylfurfural composition preparation method. The method includes dissolving a chitosan substance by an acid aqueous solution to obtain a solution A, mixing the solution A with a solution containing 5-hydroxymethylfurfural to obtain a pre-reaction solution, adding alkali liquor into the pre-reaction solution to regulate a pH (potential of hydrogen) value of the pre-reaction solution, subjecting the pre-reaction solution to condensation reaction at a stirring speed of 100-500r/min at the temperature of 4-85 DEG C to obtain a gelatinous or flocculent chitosan/5-hydroxymethylfurfural composition, and subjecting the chitosan/5-hydroxymethylfurfural composition obtained after the reaction to dialysis treatment by deionized water prior to freeze drying so as to obtain a dry chitosan/5-hydroxymethylfurfural composition. By the aid of the chitosan/5-hydroxymethylfurfural composition prepared according to the chitosan/5-hydroxymethylfurfural composition preparation method, more -NH2 radical groups can be retained, so that more excellent unique antibacterial performance, biological adhesion performance and the like can be retained.

The invention discloses a reduction clutch for a washing machine and the washing machine. The reduction clutch comprises an input shaft, an input shaft sleeve, a brake wheel, a reducer, a dewatering shaft, an output shaft, a clutch device and a shell. The input shaft sleeve is installed on the input shaft in a sleeving mode, the dewatering shaft is installed on the output shaft in a sleeving mode, the reducer is installed on an inner cavity of the brake wheel, and the input shaft, the input shaft sleeve, the brake wheel and the output shaft are connected with the reducer. The reducer is a double planetary gear train and comprises a first planetary gear train and a second planetary gear train. The input shaft sleeve and a carrier of the second planetary gear train are connected into one, and the dewatering shaft and the brake wheel are connected into one. When the washing machine is in a washing state, the clutch device brakes the input shaft sleeve and controls the output shaft and the dewatering shaft to rotate reversely in two directions. When the washing machine is in a dewatering state, the clutch device relieves the brake on the input shaft sleeve and controls the output shaft and the dewatering shaft to rotate in the same single direction. The reduction clutch for the washing machine and the washing machine have the advantages that the structure is simple and compact, the manufacturing cost is low, the transmission is safe, reliable and efficient, the service life is long, and the noise is low.

The invention discloses a rice transplanter plastic casing material. The rice transplanter plastic casing material is prepared from, by weight, 3-4 parts of carbon nano tubes, 40-50 parts of thionyl chloride, 3-5 parts of N,N-dimethyl formamide, 100-120 parts of ethidene diamine, 16-20 parts of melamine, 36-40 parts of 35%-37% formaldehyde aqueous solution, 170-200 parts of polyvinyl chloride, 30-40 parts of light calcium carbonate, 18-20 parts of phthalic acid ester, 20-30 parts of 75 wt%-80 wt% sulfuric acid and 30-40 parts of 95 wt%-98 wt% nitric acid. The modified carbon nano tubes, melamine and the formaldehyde aqueous solution are co-polymerized and synthesized into melamine resin, perssad on the surfaces of the modified carbon nano tubes can form hydrogen bonds with amino in the melamine resin and interacts with other polarities, and therefore heat-resisting stability of the composite is improved, and a promotion effect is achieved for improving the structure stability and strength of the finished product.

The invention provides a cloth dyeing machine with symmetrical double spiral cloth grooves. A machine body is provided with a cloth feeding hole, and the two spiral cloth grooves are formed in parallel in the machine body and correspondingly arranged on the two sides of the cloth feeding hole. The cloth dyeing machine is provided with cloth guide pipes, spiral-body cloth sliding plates and a receiving groove; the two cloth guide pipes are close to the adjacent sides, face the front and are opposite right and left and symmetrical, after the spiral-body cloth sliding plates are connected with the cloth guide pipes respectively, cloth moves spirally from up to bottom in the opposite direction, and the cloth is soaked and dyed in the spiral cloth grooves in cycle; the two spiral cloth groovesare opposite and symmetrically arranged in the machine body in parallel, the cloth accommodating space is expanded, the dyed cloth quality and the production efficiency are improved, the low bath ratio can be reached, and energy is saved.

The invention discloses a nylon blended plastic casing material. The material is prepared from raw materials in parts by weight as follows: 16-20 parts of melamine, 100-120 parts of ethylenediamine, 5-7 parts of polyisoprene, 1-2 parts of sodium potassium tartrate tetrahydrate, 3-4 parts of carbon nanotubes, 40-50 parts of thionyl chloride, 3-5 parts of N,N-dimethylformamide, 160-210 parts of polyvinyl chloride, 20-30 parts of 75wt%-80wt% sulfuric acid, 30-40 parts of 95wt%-98wt% nitric acid, 40-50 parts of nylon PA66, 10-13 parts of dioctyl sebacate, 3-4 parts of lauryl mercaptan, 6-10 parts of polyamide wax micro-powder, 30-40 parts of quartz sand and 36-40 parts of a 35%-37% formalin. According to a plastic casing, polyvinyl chloride and nylon are blended, so that the surface hardness, resistance, waterproof performance and acid and alkali resistance of the finished casing product are further improved.