30results about How to "Outstanding strength" patented technology

A downhole tool, provided with: a downhole-tool member containing a reactive metal; a downhole-tool member containing a degradable resin composition that promotes degradation of the reactive metal, preferably a degradable resin composition containing a degradable resin that generates an acid by degradation or a degradable resin composition containing a degradable resin and an inorganic substance or organic substance that promotes degradation of the reactive metal; and, as desired, a degradable rubber member. Moreover, a well-drilling method using this downhole tool.

A carbon fiber product according to the present invention is a carbon fiber product in which one to several hundreds of hexagonal carbon layers in the shape of a bottomless cup are stacked. Edges of the hexagonal carbon layers are exposed on at least part of an outer surface or inner surface. The exposed part of the edges of the hexagonal carbon layers have a high degree of activity and excel in adhesion to base materials such as resins. Therefore, this carbon fiber product is suitable as a material for composites.

A heat-conductive silicone rubber composite sheet having excellent electrical insulation properties, superior strength and flexibility, excellent interlayer adhesion, and particularly favorable thermal conductivity is provided. The composite sheet includes a laminated structure comprising an inner layer and a pair of outer layers laminated to both surfaces of the inner layer. The inner layer is an electrically insulating synthetic resin film layer having a thermal conductivity of not less than 0.3 W/mK, and the outer layers are silicone rubber layers formed by curing a composition including (a) an organopolysiloxane, (b) a curing agent, (c) a heat-conductive filler, and (d) a silicon compound-based adhesion promoter having at least one group selected from the group consisting of an epoxy group, alkoxy groups, a methyl group, a vinyl group, and a group represented by the formula Si-H.

An electrothermal heater mat (3) is provided for an ice protection system for an aircraft (1) or the like. The heater mat (3) is a laminated heater mat and comprises dielectric layers (50-58), a heater element (501) and a conductive ground plane (71-74) for detecting a fault with the heater element (501). The dielectric layers (50-58) are made of thermoplastic material, and the ground plane (71-74) is formed by spraying metal such as copper onto the thermoplastic material of one of the dielectric layers.

A toner has a toner particle including a binder resin, a colorant, and a wax, in which in a cross section of the toner particle observed under a scanning transmission electron microscope, a proportion of the number of toner particles having a void with a long diameter of 0.50 μm or less is 60 number % or more, and a proportion of the number of toner particles having a void in a region from an outline of the cross section of the toner particle inward to 1.00 μm in a total number of the toner particles having a void is 30 number % or less.

Disclosed is an addition reaction-curable organopolysilmethylenesiloxane copolymer composition including: (A) an organopolysilmethylenesiloxane copolymer represented by formula (a) shown below:

which has in one molecule at least two alkenyl groups bonding to silicon atoms; (B) an organopolysiloxane represented by formula (b) shown below:

R²_aSiO_(4-a)/2   (b)

which has in one molecule at least two alkenyl groups bonding to silicon atoms; (C) an organohydrogenpolysilmethylenesiloxane and/or organohydrogenpolysiloxane; and (D) a platinum group metal-based catalyst.

The copolymer composition excels in heat resistance, electrical insulation, mechanical strength, and optical properties, and exhibits good water resistance, hydrolysis resistance and gas barrier properties under severe use conditions without suffering gas permeability and poor chemical resistance inherent in silicone rubber.

The invention provides a production process of a thermoplastic elastomer rail pad, and belongs to the technical field of railway fittings. The production process comprises the following steps: (1) drying raw materials, namely, adding rubber to a dryer to dry for at least two hours under drying temperature of 110 to 130 DEG C; (2) injection molding, namely, performing injection molding through an injection molding machine, adding the dried raw material to a material barrel of the injection molding machine for heating, and then closing a die, injecting, maintaining the pressure, cooling, and opening the die to finish injection molding; (3) cutting nozzles, namely, moving the product subjected to injection molding from a die cavity, and removing burr through a nozzle cutting machine so as to meet the requirements of a production drawing and product technology; and (4) examining and testing, namely, warehousing qualified thermoplastic elastomer rail pads. With the adoption of the production process, the produced thermoplastic elastomer rail pad is stable in structure, small in plastic change, and small in elastic deformation under heavy load, reaches 300 to 500kN/mm of static stiffness, has service life longer than that of a steel rail, realizes stable line and driving safety, and also enables the reduction of the cost of repair and maintenance.

An infrared radiation source has a radiation-transparent, gas-tight tube made of electrically insulating material, in which a heat conductor made of carbon strip is arranged. The heat conductor has two ends, which are respectively electrically and mechanically connected to bushings made of molybdenum and/or tungsten and/or tantalum, and the bushings are respectively connected via current feed-through leads with electrical connections projecting from the tube. The two ends of the heat conductor are respectively connected to one of the bushings by a metallic solder, which contains at least one of the metals titanium, zirconium or hafnium.

A mounting assembly arranged to mount a jaw at a jaw crusher includes a rotatable shaft having a jaw bearing mount region that is eccentric relative to a longitudinal axis of the shaft. A central axis of a jaw bearing that mounts the jaw at the crusher is off-set from a central axis of a frame bearing that mounts the shaft at the crusher by a distance in the range of 20 mm to 35 mm.

A composite of the present invention comprises: about 10 wt % to about 84 wt % of (A) a thermoplastic resin; about 5 wt % to about 35 wt % of (B) a first filler; about 1 wt % to about 20 wt % of (C) a second filler; and about 10 wt % to about 60 wt % of (D) a third filler, wherein the third filler (D) is a conductive filler, and the melting points of the thermoplastic resin (A), the first filler (B) and the second filler (C) satisfy the following relation 1:

Tma−30° C.>Tmb,Tma+500° C.<Tmc  [Relation 1]

• • (wherein, Tma is the melting point (° C.) of the (A) thermoplastic resin, Tmb is the melting point (° C.) of the (B) first filler, and Tmc is the melting point (° C.) of the (C) second filler).

Provided is a fuel cell separator precursor that is obtained by impregnating a porous sheet, which contains a conductive filler, with a resin composition that contains a thermoplastic resin and a conductive filler.

A pearlitic steel rail with high strength and toughness and a producing method thereof. The producing method comprises: controlling the following processing conditions in a rolling procedure to produce the pearlitic steel rail with high strength and toughness: initial rolling temperature of 1,120-1,180° C., final rolling temperature of 840-880° C., rail profile reduction in last two rolling passes of 6%-12%; the steel rail is cooled to 600° C. or lower at a cooling rate ≦2.0° C./s after final rolling, and then air-cooled to room temperature; the chemical composition of the steel rail meets the following requirements: C: 0.75%-0.84%, Si: 0.30%-0.80%, Mn: 0.50%-1.50%, V: 0.04%-0.12%, Ti: 0.004%-0.02%, and 0.10%≦V+10Ti≦0.25%, [N]≦30 ppm, P≦0.020%, S≦0.008%, with the remaining content consisting of Fe and inevitable impurities.

A zirconia sintered body may excel in translucency, strength, and linear light transmittance with no use of an HIP device, and a zirconia molded body and a zirconia pre-sintered body from which such a zirconia sintered body can be obtained. A zirconia molded body may include zirconia particles with 2.0 to 9.0 mol % yttria, an average primary particle diameter of 60 nm or less, and 0.5 mass % or less zirconia particles having a particle diameter >100 nm, wherein the zirconia molded body has ΔL*(W−B) of 5+ through a thickness of 1.5 mm. A zirconia pre-sintered body may include 2.0 to 9.0 mol % yttria, and have a ΔL*(W−B) of 5+ through a thickness of 1.5 mm. A zirconia sintered body may include: a fluorescent agent; 2.0 to 9.0 mol % yttria, and have a linear light transmittance of 1% or more through a thickness of 1.0 mm.

The invention relates to a method for producing thermomechanically produced hot strip products in which a steel alloy is melted; the steel alloy is adjusted so that a recrystallization during the hot rolling is suppressed; the final rolling temperature is greater than 800° C.; the melted steel alloy is cast into slab ingots and after being heated to a temperature above Ac₃, the slab ingots are hot rolled until they reach a desired degree of deformation and a desired strip thickness; after the rolling, the strip is cooled to room temperature and for hardening purposes, is briefly heated to a temperature >Ac3 and cooled again, characterized in that the heating takes place with a temperature increase of more than 5 K/s, more than 10 K/s, more than 50 K/s, or more than 100 K/s, and is kept at a desired target temperature for a period of 0.5 to 60 s before cooling to yield improved mechanical properties.

The invention discloses a high-strength photovoltaic module bracket. The bracket comprises a supporting frame, front supporting rods, back supporting rods and related connection fittings, wherein the supporting frame is mounted at the upper parts of the front and back supporting rods and is arranged in an inclined state; reinforced rods are added between the front supporting rods and the back supporting rods; one ends of the reinforced rods are hinged with the front supporting rods while the other ends of the reinforced rods are connected with the back supporting rods by bolts; the reinforced rods are fixedly connected with the supporting frame by adopting connecting rods; and the connecting rods are connected with the reinforced rods and the supporting frame by bolts. The invention discloses the high-strength photovoltaic module bracket; the bracket is reasonable in structural design, convenient to mount, moderate in preparation cost, and particularly excellent in strength performance; the stress transfer between the front supporting rods an the back supporting rods is realized through the structure of added reinforced rods and the connecting rods, so that the supporting frame is more stable, and overall strength and stability of the supporting frame is effectively improved.

The invention relates to an electromagnetic valve suitable for an air blower. The electromagnetic valve suitable for the air blower comprises an electromagnetic valve body and a piston, wherein the cross section of the electromagnetic valve body is in a T shape, and the piston is inserted in the electromagnetic valve body. The electromagnetic valve body comprises an air inlet base and an air outlet base. An air inlet cavity and an air inlet are dug in the air inlet base. The air outlet base comprises a first air outlet piece and a second air outlet piece. Air outlet cavities are dug in the middle of the first air outlet piece and the middle of the second air outlet piece. An installation opening is formed in the upper end face of the first air outlet piece. A first air outlet is formed in the side face of the first air outlet piece. The lower end face of the first air outlet piece is fixedly connected with the upper end face of the second air outlet piece. A second air outlet is formed in the lower end face of the first air outlet piece. Electromagnets are inserted in the installation opening and the second air outlet respectively. The piston is installed in the air outlet cavities and can move in the air outlet cavities. The piston is made of composite materials. The electromagnetic valve suitable for the air blower is simple in structure and is integrally arranged; the piston, an air inlet base body and an air outlet base body are made of specific materials, the comprehensive performance of the electromagnetic valve is improved, and the service life of the electromagnetic valve is prolonged.

The invention relates to a hard capsule prepared through electrostatic spinning and a preparation method of the hard capsule. The capsule is woven from nanoscale collagen fibers in an electrostatic spinning manner and has higher intensity and tenacity than the common wrapping and dipping capsule under the same thickness; in addition, the specific surface area of a material is greatly increased; the capsule has higher guest molecule inclusion capacity and faster digestion property; moreover, due to the specificity of a preparation technology, the multilayer and multistage capsule made from a composite can be prepared very conveniently; the wall thickness of the capsule is simple and easy to control; defective products hardly appear in a preparation process; the product quality is stabler and more controllable; the capsule is prepared by using a specific electrostatic spinning capsule blank-making machine and the matched preparation technology; a production process is fully automatic, safe and efficient; modules of equipment can be replaced according to different production requirements.