92 results about "Elastic solids" patented technology

An electroactive optical device, in particular an electroactive lens, comprising an optical element (1) as well as an electroactive element (2) is described. The optical element (1) is an elastic solid, such as a gel or a polymer. The electroactive element (2) comprises a plurality of compliant electrodes (3a-3e) stacked on top of each other with an electroactive material (5) between them. The electroactive element (2) is surrounded by a rigid wall (4a, 4b), which provides two common contacts for the electrodes (3a-3e). In the absence of an applied electric voltage, the optical element (1) is in a mechanically relaxed State, which reduces undesired ageing effects. Upon application of a voltage to the electrodes (3a-3e) the optical element (2) is deformed.

A tool for polishing objects having a wide variety of materials and shapes including precision optical surfaces, injection mold inserts, and thin film coating dies. The tool has an elastic solid bladder with a curved surface, upon which is disposed an abrasive band. The curved bladder surface is produced by compressing the bladder between two parallel plates. The apparatus comprises a multi-axis computer controlled machine to which the tool is attached.

A multi-piece disc replacement implant for replacing a disc removed by a discectomy including an upper plate member, a lower plate member, and an intermediate resilient member providing movement between te two plate members replicating the natural movement of the spine. The plate members are rigid and have orthogonal sidewalls forming an enclosure. The resilient member is an elastic solid or a multi-chamber balloon structure of fluid-filled sacks that collectively define a non-uniform shape such as an oblate spheroid, or a helically coiled string of beads. Such an implant is capable of supporting the compressive and cyclic loads required of a natural disc. The upper and lower plate members are cooperatively formed to selectively limit the allowable range of motion in any given direction and a provided with protrusions to be received in one or more channels cooperatively formed in the vertebrae and secured in place by a bone screw.

A golf ball composed of an elastic solid core and a resin cover enclosing said core and having a number of dimples in the surface thereof, which is characterized in that said elastic solid core has resilience such that the deformation is 3.0 to 5.0 mm when the load is increased from 98 N (10 kgf) to 1275 N (130 kgf), said cover has a gage of 1.2 to 2.1 mm and a Shore D hardness of 60 to 75, and said dimples are formed in two or more different patterns, with their number amounting to 250 to 370. This golf ball is superior in flight performance.

The invention discloses an elastic cleaning ball, a cleaning device and a cleaning method and a pressure test device and a pressure test method for a pipeline. The elastic cleaning ball comprises an elastic solid core, an elastic reinforcing plate arranged on the rear surface of the elastic solid core and an elastic coating which wraps the elastic solid core and the elastic reinforcing plate. The cleaning device comprises a ball serving device and a ball receiving device which are connected to both ends of the pipeline, and at least one elastic cleaning ball. The elastic cleaning ball is compactly contacted with the inner wall of the pipeline in the cleaning process. According to the cleaning device and cleaning method provided by the invention, the pipeline for conveying ore pulp is efficiently cleaned. The pressure test device comprises a first end water injection device, a water injection pump and a rear end emptying device which are connected to both ends of the pipeline as well as the elastic cleaning ball for emptying air in the pipeline. According to the pressure test device and method provided by the invention, the efficient pressure test efficiency is realized, and air in the pipeline can be completely emptied.

A lens element is provided that includes a housing defining a center bore and an optical axis, and a light transmissive cover coupled to the housing. A first elastic solid lens is disposed within the housing adjacent the light transmissive cover, and is characterized by a first thickness and a first durometer hardness. A second elastic solid lens is disposed in the housing adjacent to and substantially conforming to the first elastic solid lens, and is characterized by a second thickness and a second durometer hardness. The second lens thickness is less than the first lens thickness, and the second durometer hardness is greater than the first durometer hardness. In one embodiment, the first durometer hardness is less than OO60 as measured by the Shore method, and the second durometer hardness is in the range of A20 to A60 as measured by the Shore method.

The water injection profile regulation method for further raising crude recovery efficiency is characterized by that in the course of injecting crosslinked polymer solution into water injection well the described crosslinked polymer solution is a dispersion system which is formed from cross-linking agent solution and polymer solution in water and has elastic solid and/or non-solid particles or a dispersion system formed from polymer coil made up by cross-linking cross-linking agent solution and polymer solution, and the diameter of elastic solid and/or non-solid particles or cross-linked polymer coil in the dispersion system is 10-2000 nm, and the viscosity of said dispersion system is 0.6-8.9 mPa.s.

The inventive heating cushion consists of a system of blocs (1) which comprise a thermal material, are separated by interstices (8) containing a deformable thermal material (10), are connected by joints provided with elastic solid bodies which are fixed to the blocs and form said deformable thermal material and/or elastic membranes (7) which are fixed to the blocs (1) and are tensioned for compressing a deformable body arranged in the interstices (8) and/or the joints (6) which are permeable to a fluid contained in the interstices.

A torsional damper pulley improved in general versatility, easily produced and capable of reduction in production cost. The torsional damper pulley is constructed of a hub 11 fixed at a revolving shaft of an internal combustion engine, an annular pulley body 10 coaxially placed at an annular fixing portion 11b at an outer circumference of the hub, and an elastic solid 13 interposed between an outer circumferential surface of an annular fixing portion and an inner circumferential surface of the pulley body. The pulley body 10 is constructed of an annular frame 12 substantially U-shaped in section, having an concave portion 15 open at one side in an axial direction, and an inertia mass element 14 inserted into the concave portion 15 in an axial direction and fixed. The inertia mass element is a laminate made by overlaying annular plates 14a on each other and bonding them, and the inertia mass element is fixed by being press-fitted into the concave portion.

In a golf ball comprising an elastic solid core, a mantle layer, and a resin cover having a plurality of dimples, the difference in Shore D hardness between the cover and the mantle layer is at most 10, and the dimples have a total volume of 280–350 mm³. This combination of features provides the golf ball with an excellent balance of rebound, spin and feel, and an outstanding total distance.

In a solid golf ball comprising an elastic solid core and a resin cover, the cover has a JIS-C hardness of 50-85, and provided that the ball receives a spin rate S1 (rpm) in the dry state and a spin rate S2 (rpm) in the wet state when hit with a short iron having a loft of an 8-iron or greater, the percent spin retention: (S2/S1)×100 is at least 47%. The ball's spin susceptibility when hit with the short iron is not reduced in the dry state or fine weather, nor is noticeably reduced even in the wet state or rain weather. The ball has so high performance that the ball travels a distance as intended, immediately stops on the green, is easy to control and thus, suited for professional and amateur low-handicap golfers.

The invention discloses a controllable crosslinked bionic tissue adhesive and applications thereof. The adhesive comprises the following components in parts by mass: 75-90 parts of liquid polymer, 0.5-10 parts of reducer, and 9.5-15% of oxidizer-carrying high polymer microspheres. The liquid polymer is prepared by grafting dopamine hydrochloride and methacrylic anhydride at a molar ratio of 1:1 to obtain a monomeric compound, and copolymerizing the monomeric compound and methoxy ethyl acrylate at a molar ratio of 1:1. The bionic tissue adhesive disclosed by the invention has the advantages of high adhesive force in in-vivo liquid environment, good rheological property at initial stage, accurate location by syringe, and complete contact and firm adhesion with adhesive interface, and also has filling and sealing functions and good hemostatic effect. The bionic tissue adhesive is cured to be an elastic solid with enhanced strength after several hours, has good fixing effect to damaged tissue, has firm adhesion, and can better promote healing of damaged tissue.

The invention relates to an engineering material and particularly relates to a grouting material for repairing concrete cracks in deep water. Cement, slag powder and rubber powder are taken as base materials, silica powder, gypsum powder, polyester fiber, a water reducing agent, water-based latex and a water-based curing agent are added according to a certain ratio, water is added, then the components are blended to form a groutable underwater non-dispersible plastomer, the plastomer is solidified to form an elastic solid capable of being bonded firmly to the interface of a concrete crack, andthe grouting material is mainly applied to the field of repair of concrete cracks in hydraulic engineering. The solidified cement-based elastic grouting material has the characteristics of high binding strength with underwater concrete, high head permeation resistance, high corrosion resistance, high elasticity, adaptability to concrete crack vibration and deformation, and the like.

The present invention is an elastic flat tread which can prevent an elastic solid from cracking even if the vehicle runs on a protruding object during traveling. For this purpose, the elastic flat tread is provided with any core (1, 11, 115) of a core (1, 11) attached to a link (6) and a core (115) attached to a metal plate (9A) which is attached to a link (8), and end portions (1a, 1b; 11a, 11h; 115a, 115b) in a longitudinal direction of the aforesaid any core (1, 11, 115) are bent toward the side not in contact with the around.

The invention relates to a fluorocarbon elastic solid emulsion and it's preparing method. The method uses fluorocarbon base to quench the acrylate macromole. The formation of the emulsion used base is that the organic fluorine base with the base total amount 10-30%, the olefin unsaturated acid ester base with the base total amount 5-15% and the olefin acrylate base with the base total amount 55-85%.

The invention provides a quantitative cell enucleating method, and belongs to the technical field of cell-level micromanipulation. The quantitative cell enucleating method is characterized in that during blind aspiration enucleation, the cytoplasm of an oocyte is found to tend to have elastic solid properties and the equilibrium pressure during the enucleation is linearly reduced, so that quantitative cell enucleation can be achieved through precise control of the equilibrium pressure during the enucleation process. By the quantitative cell enucleating method, the problem that the enucleationamount is difficult to control during the blind aspiration enucleation is solved.

The invention discloses a method for simulating and detecting an impedance gastric motility signal. Stomach and tissues surrounding the stomach are simulated by using an elastic solid medium and a liquid medium with different conductivity; the elastic solid medium is pressed by a shifting fork for deformation; and a motor drives the shifting fork to move along the elastic solid medium according to a preset mode under the control of a mechanical electric control unit to generate deformation propagation so as to simulate a gastric peristalsis process. When current is injected from an exciting electrode, the boundary of the liquid medium and the solid medium deforms to change field conductivity distribution; the voltage variation of the boundary is measured from a detection electrode, is amplified, demodulated and transformed and is input into a computer to calculate and analyze an impedance signal; and the impedance change caused by conductivity change is calculated by a sensitivity coefficient method.

The invention discloses a tyre safety rubber coating mechanism, which comprises a machine station, a rotating device, a die, a coating device and a heating storage device, wherein the rotating device is arranged on the machine station to rotate; the die is arranged on the rotating device; a tyre is clamped in the die; the coating device is equipped with a reciprocating displacement component and a sprayer; the reciprocating displacement component is arranged on the machine station; the sprayer is arranged on the reciprocating displacement component; when the reciprocating displacement component is positioned at a first or a second position, the sprayer is located inside or outside of the tyre clamped in the die; and the heating storage device is used for accommodating safety rubber and enabling the safety rubber to be in a liquid state; and the heating storage device is communicated with the sprayer. Therefore, when the rotating device drives the die and the clamped tyre thereof to rotate, and the reciprocating displacement component is located on the secnd position, the liquid safety rubber in the heating storage device can be sprayed and coated on the inner wall of the tyre by the sprayer in a timed and quantitative manner, and the elastic solid safety rubber can be obtained after the liquid safety rubber sprayed and coated on the inner wall of the tyre is cooled.

The invention relates to a device for grinding rollers, also for grinding hollow rollers. As the rollers tend to vibrate transversally as a result of the contact with the grinding disc, a cushioned body is applied to the opposite side of the roller from the grinding disc, said body being engaged pneumatically against the roller and adapting at least partially to the contours of the roller. The cushioned body consists of an elastic solid material or an elastic external skin that is filled with an elastic pressurized medium. The engagement pressure of the cushion is adjustable. This is achieved by a pneumatic advance cylinder located on a base, said cylinder having a piston that can be impinged on both sides and that bears on its piston rod a fixing plate comprising the elastic cushion. The advance cylinder is connected to compressed air conduits, P indicating the conduit comprising a pressure regulator and L indicating the return conduit in the standard case. The invention thus provides a device for damping vibrations, which suppresses any regenerative chatter and guarantees a grinding pattern that is devoid of chatter marks.

The invention discloses a far infrared excitation apparatus being able to realize sleep improvement and pain alleviation. The far infrared excitation apparatus being able to realize sleep improvement and pain alleviation comprises elastic solid colloid, a hand ring which is formed by ceramics or fabrics, LED lights, a loudspeaker, a charging power supply circuit, a control circuit and a display screen, wherein the elastic solid colloid contains far infrared released substance; the LED lights can give out a blue light with a 420-470nm wavelength or a red light with a 620-750nm wavelength; the frequency of sound wave of the sound made by the loudspeaker is 1-30Hz and the intensity of the sound made by the loudspeaker is 20-90dB; the LED lights and the loudspeaker are arranged on the hand ring; and under the combined action of the LED lights which can give out a blue light with a 420-470nm wavelength or a red light with a 620-750nm wavelength, and the loudspeaker (the frequency of sound wave of the sound made by the loudspeaker is 1-30Hz and the intensity of the sound made by the loudspeaker is 20-90dB), the hand ring is induced to release far infrared, wherein the wavelength scope of the released far infrared is 6-14Mum and the release rate of the far infrared is greater than 95% so that sleep improvement and pain and fatigue alleviation can be realized.