68results about How to "Increased mechanical resistance" patented technology

A device for closing lines for administering medical or pharmaceutical fluids from containers and the like, comprising: a first tubular body and a second tubular body, which are mutually associated and able to move axially by sliding and/or rotating with respect to each other; a valve element for adjusting the flow of the fluid formed inside the first and second tubular bodies, the relative movement of the first and second tubular bodies being adapted to move the valve element from a closed configuration for blocking the flow of the fluid to an open configuration for feeding the fluid; elements for limiting the relative rotation between the first and second tubular bodies which are monolithically connected to at least one of the first and second tubular bodies.

A time of flight (“TOF”) mass spectrometer including: an ion source configured to produce ions having a plurality of m/z values; a detector for detecting ions produced by the ion source; a tilt correction device located along a portion of a reference ion flight path extending from the ion source to a planar surface of the detector; wherein the tilt correction device includes tilt correction electrodes configured to generate at least one dipole electric field across the reference ion flight path, the at least one dipole electric field being configured to tilt an isochronous plane of ions produced by the ion source so as to correct a previous angular misalignment between the isochronous plane and the planar surface of the detector.

A wear surface system and method for preparing same. The wear surface system 10 has a substrate 12 with a surface 13 in which is defined three-dimensional, micro-metered prismatic anchoring sites 14. The sites include hairs that are separated by at least some spaces 16. To the textured surface 18 is applied a coating 24. The coating has substantially conforming three-dimensional features that mate with at least some of the anchoring sites. Upon solidification, the coating becomes hardened and is relatively immune from delamination due to internal and externally applied stresses during exposure to normal wear conditions. One method for improving the wearability of a surface comprises the steps of (1) providing a substrate; (2) texturizing its surface so that it is at least partially imbued with a three-dimensional, micro-metered, prismatic set of anchoring sites; and (3) coating at least a part of the textured surface with a mating coating that becomes hardened upon solidification.

Process for the preparation of aqueous dispersions of carboxylated anionic polyurethanes free from volatile aminines, useful for the preparation of coatings for leather, paper, metals, textiles and plastics.

A preparation method of a para-aramid pulp comprises the following steps: (1) para-aramid filaments are cut into 3-13mm short fibers by a mechanical cutter, and then the short fibers are dispersed into water to prepare 0.1%-5% suspension; (2) the suspension is disintegrated and cut off by a disc refiner, and fibrillated for 10-30min to prepare a sufficient micro-fibrillated pulp with the single fiber length of 0.8-3mm and the specific surface area of 5-10m<2>/g; (3) the pulp is dehydrated and dried by a paper machine to make paper; and (4) the paper is cut into pieces by a shredder, then loosened by a fiber opener to prepare the para-aramid pulp, and finally the obtained pulp is compressed and packaged. In the para-aramid pulp prepared by the method, average length of the pulp fiber is 0.8-3mm, and the specific surface area thereof is 5-10m<2>/g. The preparation method has the advantages of simple and stable process. The adopted devices are mostly paper making equipment without new equipment investment, therefore, the cost is well controlled.

The object of the invention is an austenitic stainless steel with high plasticity induced by twinning with innovative chemical composition, and the use thereof in the automobile industry and in all applications wherein both a high resistance to corrosion and a high formability is requested, together with mechanical features of high-resistant steels. The invention also concerns a process for the production of this austenitic stainless steel with high twinning-induced plasticity.

The invention relates to a modified fiber board production process. The modified fiber board production process includes steps of chipping, digesting, hot grinding, preparation of modified fibers, drying, preparation of blank materials, cold pressing, hot pressing, saw cutting, sanding, thickness determination and the like. In the step of preparation of modified fibers, calcium powder is added into fibers and used for replacing part of wood fibers, the calcium powder is mixed with glue prior to being mixed with the fibers during filling so as to enable clearances of the fibers to be filled by mixture of the calcium powder and the glue, and accordingly physical and chemical performances of fiber boards are improved, and improvement of board density, reduction of wood consumption and improvement of elasticity modulus indexes and static bending strength of the boards are achieved while reduction of fiber board production cost and effective saving of wood resources are realized. Wood consumption is reduced by about 20% as compared with that of common fiber boards, and the modified fiber boards produced according to the process have the advantages of high strength, high nail holding ability, excellent bending resistance and high stability and flame retardance.

A handle for a pan or a similar kitchen vessel comprises a handle supporting core integral with the pan body and combined by two reinforcement half-bodies made of a heat resistant material, the pan handle including reinforcement half bodies being coated by a silicone resin coating sheath.

The invention discloses a long-acting sustained-release cell scaffold, and a preparation method and application thereof. The long-acting sustained-release cell scaffold comprises a drug-cytokine protein, a silk fibroin and a complex protein. The drug-cytokine protein is coated by the silk fibroin to form cytokine sustained-release microspheres; the complex protein coats the outer layers of the cytokine sustained-release microspheres; the silk fibroin is a self-assembled silk fibroin by calcium salt regulation; the complex protein comprises gelatin capable of escaping body immune attack and degradable by cells. According to the preparation method, first the cytokine sustained release microspheres are formed through silk fibroin coating, and then the cytokine sustained release microspheres are coated with the complex protein degradable by cells, so that 3-5 month long-term sustained release of the drugs can be realized; a hydrogel hybrid formed by the complex protein is more mechanicallytolerant than simple collagen and chondroitin sulfate; and the scaffold has good homology, and a long drug sustained release period, so that the cartilage tissue has better mechanical tolerance and metabolic activity during conversion of the scaffold into a cartilage matrix.

A choke trim assembly for use as a shuttle seat in a choke valve including a flange sleeve is disclosed, the choke trim assembly comprising a trim, a trim carrier, and a clamp ring, wherein the trim carrier and the clamp ring each have a tubular member, an outer diameter of the tubular member of the clamp ring being configured to enable a slip fit of the choke trim assembly into an inner diameter of the flange sleeve, the trim being centered in the clamp ring, and an outer diameter of the tubular member of the trim carrier and the inner diameter of the clamp ring being configured to enable a slip fit of the trim carrier into the clamp ring.

The invention relates to a method for assembling a cabin window to a bay in a side wall (12) of an aircraft fuselage, said cabin window comprising an outer transparent element (10) and at least one inner transparent element (11). According to the invention, a non-through hole is made in a portion of the side wall (12) along the edge of the bay. Subsequently, the outer transparent element (10) is positioned in the bay from the exterior of the fuselage, said element including a first part (13) which has a diameter greater than that of the bay and which is shaped to co-operate with the above-mentioned portion such as to block the outer transparent element (10) in the bay both laterally and longitudinally. The outer transparent element (10) also includes a second part (16) having a groove (17) that projects into the fuselage.; The outer transparent element (10) and the at least one inner transparent element (11) are welded to the fuselage using a strap (22) which presses a seal (21) against at least the fuselage and the inner wall of the groove (17).

The invention discloses water-permeable concrete and a preparation method thereof. The concrete is prepared from the following components in parts by weight: 10-15 parts of acrylate water-based laminating adhesive, 1500-1600 parts of crushed stone, 100-200 parts of super absorbent resin microspheres, 300-400 parts of cement, 5-7 parts of polyol, 5-10 parts of triisopropanolamine, 10-15 parts of nano calcium carbonate, 1-5 parts of nano silicon particles, 2-4 parts of sodium lignin sulfonate, 4-6 parts of an emulsifier and 130-160 parts of water. The acrylate water-based laminating adhesive isprepared from an ethylene-acrylic emulsion, an acrylate emulsion and a cross-linking agent; the cross-linking agent comprises polyetherimide. The water-permeable concrete can improve the water permeability and the bearing capacity, is not prone to breakage and has high freezing and thawing resistance and durability.

Current-mode transmission is implemented in a cascode amplifier by splitting a cascode circuit into a front end and a back end to ensure wideband current-mode transmission of an audio signal. A transmission cable is located between the high impedance output of the first end and the low impedance input of the back end. The front end includes a first amplifying device, and the back end includes a second amplifying device. The front end is phantom powered by the back end using the same electrical conductors that carry the current-mode signal over the transmission cable.

The invention relates to a frequency limiting control hybrid integrated circuit which comprises differential operational, compensation amplification, hysteresis comparator, totem-pole drive output and reference voltage circuits. The differential operational circuit carries out proportional amplification output on an external input control signal. The output signal of the differential operational circuit and second reference voltage are compensated and amplified by the compensation amplification circuit, and are used as the same-phase end input signal of the hysteresis comparator circuit. First reference voltage is used as the reverse-phase end input signal of the hysteresis comparator circuit. The hysteresis comparator circuit outputs PWM waveform with the duty cycle from 0 to100%. The PWM waveform is used as a drive output end through the totem-pole drive output circuit. The external control signal is a triangular wave signal sampled from a system, is amplified and compared to form a PWM signal, and is output by a totem pole. A reliable drive signal is provided for a post-stage power circuit of the system. The power supply voltage of the system is detected.

The invention relates to a reflective composite material (V) with a substrate (1) consisting of aluminum, with an intermediate layer (2) of anodic oxidized substrate material located on one side (A) of the substrate (1), and with an optically active multi-layer system (3) applied above the intermediate layer (2), wherein the multi-layer system consists of at least three layers, and wherein the upper layers (4, 5) are dielectric and/or oxidic layers, and the bottom layer (6) is a metallic layer consisting of silver which forms a reflective layer (6). To increase the ageing resistance the invention proposes that a diffusion-inhibiting barrier layer (8) is disposed above the intermediate layer (2) and below the reflective layer (6), wherein the reflective layer (6) is bonded to the barrier layer (8) by an adhesion-promoting layer (9).

The invention relates to a section of fuselage for an aircraft, comprising frames and bays for receiving cabin windows (11). According to the invention, at least some of the frames include at least one frame segment that surrounds at least one bay, said frame segment comprising two branches (15, 16) that are disposed to the side of the bay. The ends of the branches are attached to each of the ends (17, 18) of the frame segment such as to form a Y.

A solar cell unit having a semiconductor body formed as a solar cell, whereby the semiconductor body has a front side with a first electrical connection and a back side with a second electrical connection and a side surface formed between the front side and the back side, and having a substrate with a top side and a bottom side, whereby the substrate on the top side has a first conductive trace region, configured as part of the substrate, and the first electrical connection is electrically connected to the first conductive trace region, and the substrate on the top side has a second conductive trace region, configured as part of the substrate, and the second electrical connection is electrically connected to the second conductive trace region, and having a secondary optical element, which has a bottom side and guides light to the front side of the semiconductor body.

This disclosure relates to a new type of needed for a subcutaneous port or for any use where blood is recycled, and more precisely to a needle with reduced friction openings for easing blood and its elements along a passageway made of a through bore in the body of a needle. The needle includes an oval shape opening for increased mechanical resistance of the needle while allowing a greater passage curvature of the blood cells at the greatest zone of passage. In other embodiments, a plurality of staggered openings is used to reduce the flow through any single opening where damage occurs, the openings can be made in a curved area, or a plurality of smaller openings or a grid made of openings can be used to further reduce the interference of the needle tip and the needle openings on blood.

An embossing apparatus, similar to those used in the paper industry, for use in the leather industry to emboss leather and leather type textiles. The apparatus includes a rotating felt under tension. In a preferred embodiment, the felt wraps around a heated embossing cylinder under tension and there is no nip. In this case, the leather textile is conveyed while sandwiched between the felt and the cylinder and is thereby embossed.

The present invention provides a hazardous substance-removing material comprised of a support on which is supported an antibody, the support comprising a layer comprised of polyolefin fiber and a layer comprised of at least one other fiber, and the antibody being supported on the other fiber, which affords a high capture rate and permits long-term use, in which the antibody is efficiently utilized.

The invention relates to a system for the local surface treatment of an aeronautical part (1) to be treated.

Said system is characterised in that it comprises a plurality of containers (18, 19, 20, 21) each comprising a treatment product (22, 23, 24, 25), at least one bath enclosure (102a, 102b) suitable for delimiting a fluid-tight space (26a, 26b) between this bath enclosure (102a, 102b) and a portion (101a, 101b) of the part to be treated, and a controlled circuit (10) for supplying said fluid-tight space (26a, 26b) with treatment product (22, 23, 24, 25) the containers (18, 19, 20, 21) connecting at least this container (18, 19, 20, 21) to said fluid-tight space (26a, 26b) and comprising valves for managing the supply to the fluid-tight space by one or more containers from the plurality of containers.

The invention provides a processing method of high-intensity explosion-proof glass. The method comprises the following steps of covering graphene onto the two surfaces of a glass base plate to form areinforcing layer; covering an anti-stain heat isolation material on one reinforcing layer of the glass base plate to form an anti-stain heat isolation layer; putting the two glass base plates into aheating furnace; performing uniform point printing of UV glue onto the reinforcing layer at one side, far away from the anti-stain heat isolation layer, of the glass base plate; parallelly putting thetwo glass base plates; enabling buffer convex blocks of the two glass base plates to be in butted arrangement; performing peripheral edge sealing between the two glass base plates through PVB glue; inflating inert gas into a cavity; stopping the inflation into the cavity when the air pressure in the cavity is higher than 130 kPa; extracting air in the cavity until the air pressure in the cavity is lower than 70kPa; The graphene layer structure capable of enhancing the toughness is arranged at the two sides of the glass base plate; the surface anti-impact performance of the glass base plate can be effectively improved; the infrared radiation can be effectively reflected through the oil-stain-resistant heat isolation layer structure.

A nickel-based superalloy particularly suitable for the fabrication of mechanical components for a piece of turbomachinery that it comprises the following elements in percentage by weight: chromium between 3% and 7%; tungsten between 3% and 15%; tantalum between 4% and 6%; aluminium between 4% and 8%; carbon less than 0.8%; the remaining percentage of nickel plus impurities.