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61results about How to "Make sure to keep" patented technology
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Preparation method and application of main chain fracture type polyacrylic acid silane ester resin
ActiveCN103396513AEfficient regulated releaseMake sure to keepAntifouling/underwater paintsPaints with biocidesPolyesterPolymer science
Owner:SOUTH CHINA UNIV OF TECH
Production process for high-performance steel plate thermal treatment unit
ActiveCN101935750AEasy to unwindUnwinding and other processes are reliableFurnace typesProcess efficiency improvementHigh intensityThermal treatment
The invention relates to the technical field of high-performance steel plate thermal treatment, in particular to a production process for a high-performance steel plate thermal treatment unit. The process comprises the following steps of: carry out the following controls after hot-rolling steel coils are transported into a rolling cylinder of an uncoiler through a coil car and then fed into a pinch roll: regulating a deep bending roll to enter a preset position and straightening in a No.1 straightener after passing through a No.1 side guide device; cutting off the head waste materials of the straightened steel plates in the cutting position of an opening, and carrying out the centring welding and the manual welding in the position of a welding platform; feeding the welded steel plates into an entrance loop; pulling the steel plates out from the loop and transferring to a process section; then sequentially carrying out the thermal treatments of induction heating, quenching, tempering, and the like so as to reach mechanical performances required for the steel plates; then carrying out straightening and slitting; carrying out the multiple feet cutting on the steel plates by a pair of plasma scissors; and transferring the cut steel plates to a finished product storage. The invention can ensure that the yield strength of the steel plates produced by adopting the process can reach above 1000MPa; and the steel plates can reach the performance requirements on high strength, high toughness and cold bending.
Owner:LIAONING HENGYE HI TECH NEW MATERIAL
Manufacturing method of 77Ghz high-precision radio radar printed circuit board
ActiveCN106455325AReduce burrsReduce widthComputer designed circuitsConductive material chemical/electrolytical removalAcid etchingRadar
The invention discloses a manufacturing method of a 77Ghz high-precision radio radar printed circuit board. The method mainly comprises the steps of line double compensation design, acid etching way selection, optimization design of keeping a rectangular bonding pad and copper-free zone corner in a right angle and optimization design of a sheet electroplating frame. The others are manufactured by adopting a conventional process. The manufacturing method of the 77Ghz high-precision radio radar printed circuit board has the advantages of high pattern-etching precision, small line burrs, high processing efficiency, high yield and the like; the rectangular bonding pad and copper-free zone corner is kept in the right angle; and the cost is effectively reduced.
Owner:HUIZHOU KING BROTHER CIRCUIT TECH +2
Main chain degradable zinc polyacrylate resin prepared by aid of monomer processes and method and application for main chain degradable zinc polyacrylate resin
InactiveCN107056990AEfficient regulated releaseMake sure to keepAntifouling/underwater paintsPaints with biocidesPolyesterFunctional monomer
The invention belongs to the technical field of marine antifouling materials, and discloses main chain degradable zinc polyacrylate resin prepared by the aid of monomer processes and a method and application of the main chain degradable zinc polyacrylate resin. The main chain degradable zinc polyacrylate resin is mainly prepared from components including, by weight, 5-80 parts of vinyl zinc ester functional monomers, 5-95 parts of cyclic monomers, 0-95 parts of vinyl monomers, 0.01-10 parts of initiators and 50-100 parts of organic solvents. The main chain degradable zinc polyacrylate resin, the method and the application have the advantages that zinc ester bonds of side chains and polyester chain segments of main chains of the main chain degradable zinc polyacrylate resin can be hydrolyzed under the attack effect of seawater, accordingly, the problem of dependence of the traditional self-polish materials on navigational speeds can be solved, the surfaces of coatings can be regenerated in static seawater under hydrolytic degradation effects, antifouling agents can be released at constant speeds under effective control, and antifouling requirements of ships at low navigational speeds and facilities such as offshore oil production platforms can be met; the main chain degradable zinc polyacrylate resin is excellent in drag reduction performance; the main chain degradable zinc polyacrylate resin is used for marine antifouling coating.
Owner:SOUTH CHINA UNIV OF TECH
Electronic equipment
ActiveCN110557480AAvoid settingIntegrated enoughTelevision system detailsColor television detailsEngineeringDrive motor
The invention discloses electronic equipment which is characterized in that a shell is provided with a first through hole and an inner cavity, and the first through hole is communicated with the innercavity; the driving mechanism is arranged in the inner cavity and comprises a driving motor and a cam, and the driving motor is in driving connection with the cam; the cam, the driven device and thedriving motor are superposed in the thickness direction of the electronic equipment; under the condition that the cam rotates, the driven device extends out of the shell or retracts into the shell through the first through hole; the first elastic piece is connected with the shell and the cam, the first elastic piece can deform along with rotation of the cam, and in the state that the driven devicestretches out of the shell, the first elastic piece limits rotation of the cam so as to limit the driven device to move into the shell; when the driven device retracts into the shell, the first elastic piece limits the cam to rotate so as to limit the driven device to move out of the shell. According to the scheme, the problem that the avoiding space formed in the circuit board in the electronicequipment is large can be solved.
Owner:VIVO MOBILE COMM HANGZHOU CO LTD
High-pressure pump for delivering fuel with an improved design of the bearing arrangement for the support of the cam shaft
InactiveCN101646860ANo breakageAvoid breakingFuel injecting pumpsPositive-displacement liquid enginesCommon railEngineering
The present invention relates to a high-pressure pump (1), particularly for delivering fuel for a common rail fuel injection system, comprising a pump body (2), in which at least one cam drive (3) having a cam shaft (4) is received, wherein said cam shaft is pivotally supported about a cam shaft axis (6) in the pump body (2) and / or in a flange body (5) by means of at least one bearing arrangement,and wherein the bearing arrangement comprises a radial bearing bush (7) extending in the direction of the cam shaft axis (6), and an axial bearing disk (8), which is integrally formed on the radial bearing bush (7) on an end, and / or is connected to the same, wherein the axial bearing disk (8) extends in a radial extension direction (9) of <90 DEG relative to the cam shaft axis (6) in the non-installed state, wherein the radial extension direction (9) is directed toward the radial bearing bush (7) and can be brought into an axial bearing plane (10) extending at an angle of 90 to the cam shaft axis (6) in the installed state by means of elastic deformation of the axial bearing disk (8).
Owner:ROBERT BOSCH GMBH
Main chain degradation type polyacrylic copper resin as well as preparation method and application thereof
ActiveCN106986969AEfficient regulated releaseMake sure to keepAntifouling/underwater paintsPaints with biocidesPolyesterSide chain
The invention belongs to the technical field of marine antifouling materials and discloses a main chain degradation type polyacrylic copper resin as well as a preparation method and application thereof. The main chain degradation type polyacrylic copper resin is prepared from the following components in parts by weight: 100 parts of an acrylate prepolymer, 5-50 parts of a copper-containing compound, 0-75 parts of monocarboxylic acid and 5-150 parts of an organic solvent, wherein the acrylate prepolymer is mainly prepared from the following components: a solvent, a cyclic monomer, a vinyl monomer, a (methyl) acrylic acid and an initiator. The resin side chain copper ester bonds and main chain polyester chain segments can be hydrolyzed under seawater attach, the dependence of the traditional self-polishing material on the navigational speed is avoided, the coating surface is self-updated in static seawater due to the hydrolytic degradation effect, the anti-fouling composition can be effectively controlled to be released at a constant speed, and the anti-fouling requirements of ships at a low navigational speed, offshore production platforms and other facilities are met; and moreover, the main chain degradation type polyacrylic copper resin has excellent drag reduction effectiveness.
Owner:广东海巍新材料科技有限公司
Short message service (SMS) over service access point identifier 0 (SAPI-0)
ActiveCN102057705AMake sure to keepMake sure to control the acknowledgment modeMessaging/mailboxes/announcementsWireless commuication servicesData link layerMobile Web
A mobile station receives data for sending to a destination device and determines whether to send the data to the destination device via either short message service (SMS) over service access point identifier 0 (SAPI-0) or SMS over SAPI-3, where SAPI-0 and SAPI-3 comprise different service access points associated with a data link layer of a mobile network. The mobile station selectively sends the location information to the destination device via either SMS over SAPI-0, or via SMS over SAPI-3, based on the determination.
Owner:TELEFON AB LM ERICSSON (PUBL)
Lock nut
Lock nut, comprising a nut body (2), in which there is a drill hole equipped with an internal thread for a bolt body equipped with an external thread. In the nut there are essentially axial cuts (12), which extend to the drill hole over part of its length, and locking claws (13) in the said cuts, to bite when pressed against the bolt, to prevent the nut from opening.
Owner:J 伦登
Method for supporting high-speed mobility in wireless communication system
InactiveCN101534271ASolve the problem of not being able to support high-speed mobilityReduce packet error rateError preventionBaseband system detailsCarrier signalWireless communication systems
The invention discloses a method for supporting high-speed mobility in a wireless communication system, comprising the following steps of arranging the circular prefixal length for the sub-frame moving at high speed and arranging the region information of the sub-frame (moving at high speed) of the uplink and downlink at the base station; wherein the region information is used for specifying the position of the sub-frame moving at high speed in the frame structure; the base station broadcast sends the region information of the sub-frame moving at high speed and the length of the circular prefix; each mobile station of the base station receives and memorizes the region information in the broadcast control message and the length of the circular prefix; the base station deploys the data of the user moving at high speed into the region information of the sub-frame moving at high speed; and the mobile station moving at high speed sends or receives the data in the sub-frame (moving at high speed) of the uplink and downlink through the arranged length of the circular prefix. The method arranges longer circular prefix in the region of the sub-frame moving at high speed and greatly reduces the effects of the carrier wave interference at low complexity.
Owner:辛美丽
Fish tank
InactiveCN106069970ADoes not affect viewingReduce energy consumptionPisciculture and aquariaPower controllerEngineering
The invention discloses a fish tank which comprises a fish tank body. At least one glass outer surface of the fish tank body is provided with a graphene heating material, an electrode of the graphene heating material is connected to a power supply controller through a wire, the graphene heating material is transparent graphene heating film, and the power supply controller is provided with a temperature adjusting switch. According to the fish tank, the advanced graphene heating material is adopted, a heat source for heating fish tank water is provided, energy consumption is low, and the heat efficiency is high. The fish tank is simple in structure and reasonable in design and has the advantages of being easy to manufacture, low in cost, safe, reliable, wide in popularization prospect and the like.
Owner:WUXI AOYUTE NEW TECH DEV
Escapement mechanism, in particular for a clockwork
InactiveCN102736503AImproved timingMake sure to keepEscapementsFrequency stabilisation mechanismConstant forceEngineering
The constant force escapement mechanism in particular for a timepiece movement including a spring balance and an escapement gear connected to a barrel by a going train includes a constant force auxiliary spring (11). It includes an impulsion lever (8) co-operating on the one hand with the escapement gear (1) and on the other hand with control members fixed to the arbor of the spring balance. The constant force auxiliary spring (11) is fixed at one of its ends on a part of the frame of the movement and at its other end to the impulsion lever (8).
Owner:CARTIER CRATION STUDIO SA
Vehicle engine with air cleaner
InactiveCN1431113ASmall volumeReduce in quantityMachines/enginesAir cleaners for fuelAir filterAir cleaners
The invention provides a vehicle engine with an air filter, to provide a body construction with a retention section of a fuse box irrelevant to a battery box or chassis frame. In addition, as cost reduction is assured, the fuse box is kept more securely. The solutions adopted by this invention include that: a motorcycle, having an engine 20 with an air filter, a battery 26 and a fuse box 40. The retention section 41 for keeping the fuse box 40 is installed on an outside 23a of a housing 23 of the air filter 20 and integrally formed to the air housing 23. Furthermore, an accommodation section for accommodating the battery 26 is formed on an outside 23c of the housing 23. In a fixed component 29 for securing the battery 26 in the housing 23, a removal stop section 29d preventing detachment of the fuse box 40 from the retention section 41 is formed.
Owner:HONDA MOTOR CO LTD
Gear maintenance hydraulic control system and gearbox
ActiveCN109404528AGuaranteed normal drivingAvoid mutationGearing controlClutch controlControl system
The invention provides a gear maintenance hydraulic control system and a gearbox. A first oil way is connected with a second oil way; one end of a third oil way is connected with the second oil way, and the other end is connected with a fourth oil way; a fifth oil way is connected with the first oil way; one end of a sixth oil way is connected with the fifth oil way, and the other end is connectedwith the fourth oil way; when the gearbox loses power in a first gear section, a normally high electromagnetic valve is conducted to generate oil pressure, a first clutch enables a first brake control valve to obtain the oil pressure through the second oil way, the normally high electromagnetic valve generates the oil pressure through the fourth oil way, and a first brake is combined with the first clutch to enable the gearbox to output a first gear; when the gearbox loses power in a second gear section, the normally high electromagnetic valve is conducted to generate the oil pressure, a second clutch control valve obtains the oil pressure through the fifth oil way, and a second clutch is combined with the first clutch to enable the gearbox to output a second gear; the lowest gear in thesecond gear section is higher than the highest gear in the first gear section; and the second gear is higher than the first gear.
Owner:SHENGRUI TRANSMISSION
Container for sending or receiving a packet or package
ActiveCN106175391AWon't interfereMake sure to keepLidsKitchen equipmentInterior spaceStructural coupling
The present invention relates to a container for mailing package or small parcel to be sent or to be received which is able to be fixated to a door (1) of a building without using a structural coupling unit and includes a bottom element (2) and a cover element (3), wherein a parcel is able to be inserted into thereof or drawn out to the outside from thereof through the cover element; the bottom element (2) and the cover element are mutually connected by foldable side walls (8, 11); and the cover element (3) and the bottom element (2) are able to move perpendicularly by interfolding the side walls (8, 11) or at least partially spreading the side walls. In a spread state, the foldable side walls (8, 11) form a textile tube perpendicularly extended between the bottom element (3) and the cover element (2) and the textile tube limits an inner space having a rectangular cross-section which is at least actually horizontal and / or a fixation element.
Owner:DEUTSCHE TELEKOM AG
Rolling bearing comprising wear ring and related manufacture method
InactiveCN105822671AMake sure to keepRolling contact bearingsMechanical actuated clutchesRolling-element bearingEngineering
A rolling bearing comprises an inner ring (14), an outer ring (16), at least one row of rolling elements (18) disposed within a rolling space (24) delimited between said rings, and a wear ring (26) fixed onto one of the rings (16) and comprising a main body (26a) abutted against an outer surface of the ring. The wear ring (26) further comprises at least a column part (26b) extending from the main body (26a) and through a cut-through groove (30) formed in the thickness of the ring. The wear ring (26) also comprises at least one flange (26c) extending from the column part and obtained by local plastic deformation of the column part. The flange extends in the rolling space (24) and reaches an inner surface opposite to the outer surface of the ring.
Owner:AB SKF
Hair clipping machine having interchangeable clipping assembly and clipping length adjusting device
The invention relates to a hair clipping machine having an interchangeable clipping assembly, comprising at least one zigzag comb (2) and one clipping blade (3) that can be driven by means of a driver in oscillation substantially parallel to the front edge of the zigzag comb (2), and a clipping length adjusting mechanism (20) comprising at least one actuating element (21) jointedly connected to a housing (9) of the hair clipping machine and acting on the clipping assembly, such that a relative displacement in the longitudinal direction is possible between the zigzag comb (2) and the clipping blade (3), wherein a lug (26) is fixedly disposed on the actuating element (21), wherein a receptacle (1) for the lug (26) is displaceably supported on the clipping assembly.
Owner:WAHL
Automatic lifting and lowering controller for bridge of cutter suction dredger
InactiveCN109750700AImprove construction accuracyLower requirementMechanical machines/dredgersAutomatic controlTide level
The invention discloses an automatic lifting and lowering controller for a bridge of a cutter suction dredger, and belongs to the technical field of engineering ship automation control. The automaticlifting and lowering controller for the bridge of the cutter suction dredger comprises automatic control over the depth deviation of a cutterhead and automatic linkage control over a trolley advancingon the bridge; the automatic control over the depth deviation of the cutterhead calculates the actual excavation depth according to the length of the bridge, the angle of lowering the bridge, the draft of a trunnion, the radius of the cutterhead and the tide level, a calculated deviation value and a set deviation value are used as the input of the automatic lifting and lowering controller for thebridge, and the bridge is controlled to be lifted and lowered automatically; and the automatic linkage control over the trolley advancing on the bridge is to raise the bridge for the trolley to advance, and after the advancing of the trolley are completed, the bridge is automatically lowered to the set depth. The automatic lifting and lowering controller can realize the automatic control over thebridge, the labor of dredging workers is greatly reduced, the operation difference between different operators is reduced, the construction precision is improved, the safety of the equipment is ensured, the fuel consumption of ships is reduced, and the construction economical efficiency is improved.
Owner:CCCC TIANJIN DREDGING
Container for storing hospital and agri-food & industry waste
InactiveCN1422231AMake sure to keepAvoid easy openingSurgical furnitureDiagnosticsFood industryMechanical engineering
The invention concerns a container for storing waste, in particular waste from hospitals and agri-food industry, having a receptacle closed with a top element wherein is provided an opening. The container comprises a lid (10), having at least a perforation (24, 26), at least a pin (24a, 26a), whereof the free end has catching means (24c, 26c), opposite said perforation (24, 26), through which said pin (24a, 26a) passes when said lid (10) is in closed position on said opening (12) and non-return locking means (24b, 26b) capable of being secured to said catching means (24c, 26c) (12) of said element.
Owner:广州市太平洋装饰工程有限公司
Flexible package for liquid products
A description is given of a package (1, 1') in flexible material for liquid, pasty products or the like, closed above by a linear head weld (7) which joins two opposed walls (4, 5), at which a pair of opposed welds (10, 11) is provided, in proximity of at least one upper corner (8) of the package, these opposed welds (10, 11) tending to meet at the centre line of the package and determining a flattening of the corresponding upper corner (8).
Owner:GOGLIO
A kind of laser cleaning equipment and its focus maintaining method
ActiveCN111760849BMake sure to keepAchieve holdControl using feedbackCleaning processes and apparatusEngineeringErbium lasers
The invention discloses a laser cleaning device and a focus maintaining method thereof. The device includes: a control box and a mechanical module; the mechanical module includes a screw module, a servo motor, a laser cleaning head and a distance measuring sensor module; the control box A controller and a servo drive module are installed inside; the upper end of the screw module is connected to the servo motor through a coupling; the front slider of the screw module is connected to the laser cleaning head; the lower end of the screw module is connected to the distance sensor module; the control The controller is electrically connected to the servo motor through the servo drive module; the distance measurement sensor module measures the distance data between the screw module and the cleaning surface in real time and feeds it back to the controller, and the controller processes the distance data to generate the moving distance of the screw module , and drive the servo motor to run through the servo drive module, and then drive the screw module to adjust the position of the laser cleaning head. The invention realizes the maintenance of the laser cleaning focus on the surface of complex objects, thereby ensuring the cleaning effect and cleaning efficiency.
Owner:武汉翔明激光科技有限公司
Mulberry male spica tea and processing method thereof
PendingCN112889972AGood sensory evaluationGood nutrition and health careTea substituesFood preservationBiotechnologyNutrition
The invention discloses a processing method of mulberry male spica tea. The processing method comprises the following steps of S1, performing picking; S2, performing cleaning and airing; S3, performing dehydration; S4, performing fixation; S5, performing drying; and S6, performing fragrance improvement. Through processing in the steps, finished products of the mulberry male spica tea are obtained. The content of 1-deoxynojirimycin in the processed mulberry male spica tea is 1.5-2.2 mg / g, and the water content is 3-7%. According to the processing method of the mulberry male spica tea disclosed by the invention, various steps are performed at a low temperature and reasonable processing time, so that mulberry male spica is complete in shape, beautiful and not broken, it is ensured that pollen can be maintained in anther, and functional nutrient substances contained in the tea cannot run off. Compared with the prior art, the processing method has the advantages that the sensory evaluation of color, fragrance, taste and shape is better than that of mulberry leaf tea; and besides, the content of the specific blood sugar reducing effective component which is 1-deoxynojirimycin (DNJ) of mulberries in the mulberry male spica tea can be about twice of that in the mulberry leaf tea at most, and the mulberry male spica tea has better nutrient and health-care effects.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES +2
Mixing/charging port for medical treatment
InactiveCN1173752CMake sure to keepGuaranteed fixed effectOther medical devicesBiomedical engineeringMedical treatment
A mixing / charging port for medical treatment capable of reliably mixing / charging solutions or collecting the solutions in a medical instrument equipped with a solution feed passage, comprising a disc-like valve (1) having an insertion hole at the center, a cover (2) for restraining the valve (1) by covering at least the upper part of the periphery of the valve (1) with the center on the front surface side of the valve (1) left uncovered, and a round fitting hole (6) formed at the center of the cover (2) as anchor means for anchoring an insertion member to a mixing / charging port, the fitting hole (6) and the insertion member being so fitted to each other as to be capable of anchoring.
Owner:JMS CO LTD
Refrigerator with automatic defrosting and deodorizing functions
InactiveCN112303988ARealize automatic defrostingAchieve deodorizationLighting and heating apparatusDomestic refrigeratorsActivated carbonIcebox
The invention discloses a refrigerator with automatic defrosting and deodorizing functions. The refrigerator comprises a refrigerator shell, wherein an air blowing cavity and an air suction cavity areformed in the refrigerator shell; the air suction cavity is located on the lower side of the air blowing cavity; the air blowing cavity communicates with the air suction cavity through a deodorizingblock; a deodorizing mechanism is arranged in the air blowing cavity; the deodorizing mechanism comprises an air blowing motor fixedly connected with the inner wall of the left side of the air blowingcavity; an air blowing shaft is rotationally arranged on the right end surface of the air blowing motor; and air blowing fan blades are fixedly arranged on the right end surface of the air blowing shaft. According to the refrigerator, automatic defrosting and deodorizing of the refrigerator can be realized, a fan can enable air in the refrigerator to flow, the air can be accelerated to pass through activated carbon while defrosting is carried out, so that the deodorizing effect is achieved; and a cam can be dredged in time when a water outlet is blocked, so that water accumulation in the refrigerator is prevented, a threaded rod can enable articles in a freezing chamber to enter a refrigerating chamber, and refrigeration and maintenance of the articles can be ensured while defrosting is carried out.
Owner:永康普克家具科技有限公司
Retainer for rolling bearing and rolling bearing
PendingCN113048151AHigh strengthGuaranteed support stabilityBearing componentsRolling-element bearingRetainer
The invention relates to a retainer for a rolling bearing and the rolling bearing. The retainer comprises a retainer ring (41) and retainer beams projecting from at least one axial end surface of the retainer ring (41), a pocket (43) for receiving a rolling body (3) of the rolling bearing being formed between two adjacent retainer beams, each retainer beam has a support beam (44) projecting from the retainer ring (41) and a catch (42) projecting from an end of the support beam (44) at least partially towards both circumferential sides, a reinforcing rib (48) radially thickening the retainer beam being formed in a rolling element circumferential support region of the retainer beam; and the rolling bearing comprises the retainer.
Owner:SCHAEFFLER TECH AG & CO KG
A flexible tower
InactiveCN105019684BImprove stabilityWind resistanceSmall buildingsIndustrial buildingsTowerMarine navigation
The invention discloses a flexible tower, which comprises a main buoyant air bag, a bearing air bag and a counterweight, wherein the main buoyant air bag is arranged above the bearing air bag, and the counterweight is arranged under the bearing air bag; the main buoyant air bag is connected with the bearing air bag through a first vertical rope, and the bearing air bag is connected with the counterweight through a second vertical rope; a plurality of inclined pulling ropes are arranged on the rim of the bearing air bag, the upper ends of the inclined pulling ropes are connected with the first vertical rope, and the lower ends of the inclined pulling ropes are connected with the ground. The flexible tower has high stability and quick and easy operation, so that the flexible tower can be quickly stood in the wild; a platform is effectively provided for bearing light measuring equipment or navigation channel and height markers, and the flexible tower can effectively substitute for the rigid tower, the equipment is convenient to be repaired at the same time, and the flexible tower is suitable for use in the wide.
Owner:NO 63655 TROOPS OF THE CHINESE PEOPLES LIBERATION ARMY
Anchoring element for a plumbing fastener
The invention relates to an anchoring element (10) for a plumbing fastener (40) in an orifice (52) in a mounting plane (50). The anchoring element (10) comprises a base (12) provided with a first through-hole (14) allowing the insertion of a stem (30) such that the stem (30) has a reference inclination (H) with respect to the anchoring element (10). The shape of the first hole (14) is configured to make it possible to modify the inclination of the stem (30) with respect to the reference inclination (H). The anchoring element (10) also comprises a return element (20) configured to return the stem (30) to the reference inclination (H). This return element (20) comprises an elastically deformable element and comprises a second through-hole (24), the base (12) and the return element (20) beingassembled such that the first and second holes (14, 24) are superposed at least in part so as to form a slot, and a smallest diameter of the slot is shorter than a smallest diameter of the first hole(14).
Owner:SOMATHERM SA
Lock nut
Lock nut, comprising a nut body (2), in which there is a drill hole equipped with an internal thread for a bolt body equipped with an external thread. In the nut there are essentially axial cuts (12), which extend to the drill hole over part of its length, and locking claws (13) in the said cuts, to bite when pressed against the bolt, to prevent the nut from opening.
Owner:J 伦登
A kind of self-polishing type low surface energy polyurethane and its preparation method and application
ActiveCN108659190BGood antifoulingIncreased degradation rateAntifouling/underwater paintsPaints with biocidesPolyesterPtru catalyst
The invention provides self-polishing low surface energy polyurethane which comprises the following raw materials: 5-10wt% of cyclic monomer, 5-10wt% of polyhydric alcohol, 20-26wt% of fluorovinyl monomer, 20-26wt% of diisocyanate, 20-28wt% of catalyst and the balance of solvent. Compared with the prior art, self-polishing low surface energy polyurethane is prepared from the raw materials of specific contents; a main chain of polyurethane contains a polyester chain segment; and a side chain contains fluorine; polyurethane has good antifouling and self-cleaning performance; at the same time, the side chain contains fluorine, so that marine organism absorption can be inhibited; the polyester chain segment of the main chain can be broken by the action of seawater; an antifouling agent can beeffectively regulated to be released at a constant rate; retention of active substances on the surface of a ship coating is ensured; an antifouling requirement of low speed ships, underwater ships andoffshore production platform facilities are met; and therefore, polyurethane can be applied to ocean fouling prevention and has wide development prospects in the field of environment-friendly ocean antifouling paint.
Owner:HAINAN UNIVERSITY
A Chromium Plating Method for the Inner Hole of Parts with Reduced Diameter
ActiveCN106245082BMake sure to keepImprove thickness uniformityElectrodesAnodizingReciprocating motion
The invention discloses a chrome-plating method for the inner hole of a variable-diameter part. The inner hole of the part includes a conical hole section and a straight hole section. The small end of the conical hole is connected with the straight hole section and has the same diameter. Connect a long tube to each end of the part, lift the part to the plating tank for preheating; use the anode rod for chrome plating, adjust the starting position of the anode rod, perform anodic treatment, and then adjust the electroplating power supply to positive chrome plating; gradually increase to Under normal process conditions and current density, the anode rod reciprocates up and down on the surface of the inner hole of the part, and the set coating thickness is achieved by controlling the output current and the reciprocating times of the anode rod. The invention can effectively ensure that the anode rod remains in the center of the part and is coaxial with the part. It has the effect of improving the uniformity of coating thickness.
Owner:SHANXI NORTH MACHINE BUILDING
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