442results about How to "Impact resistance" patented technology

A cutting element for use in drilling subterranean formations. The cutting element includes a superabrasive table mounted to a supporting substrate. The superabrasive table includes a two-dimensional cutting face having a cutting edge along at least a portion of its periphery, and a first surface extending forwardly and inwardly from a location radially interior of the cutting edge at a first angle of orientation with respect to the longitudinal axis of the cutting element. The cutting face also includes at least a second surface located between the first surface and the cutting edge and oriented at a different, greater angle to the longitudinal axis than the angle of orientation of the first surface.

A polypropylene composition for the production of various molded articles which are excellent in moldability, mold shrinkage factor on molding, rigidity, flexibility, impact resistance, in particular low-temperature impact resistance, transparency, gloss, stress-whitening resistance, and the balance thereof; various molded articles having the above properties; a propylene composition which is suitable for a base resin for the polypropylene composition; and a process for the production thereof. The propylene composition comprises a propylene homopolymer and a propylene-ethylene copolymer, the intrinsic viscosity of the copolymer ([eta]RC) is in the range of 1.7 to 2.8 dl/g, the intrinsic viscosity ratio of the homopolymer to the copolymer ([eta]RC/[eta]pp) is in the range of 0.7 to 1.2 and a product [(WPP/WRC)x([eta]RC/[eta]pp)] of the weight ratio (WPP/WRC) of the homopolymer to the copolymer and the intrinsic viscosity ratio thereof is in the range of 1.0 to 3.0.

The impact strength resistance of a solder joint portion of a semiconductor device is improved. The semiconductor device has a joint structure wherein a jointing layer which does not contain sulfur substantially is arranged between an underlying conductive layer and a lead-free solder layer and further between the jointing layer and the lead-free solder layer is formed an alloy layer comprising elements of these layers.

A solid-state radiation detector is provided which has an improved positional precision within a casing thereof while ensuring the shock resistance properties.

A radiation cassette 1 comprises: a solid-state radiation detector 10 which is an image pickup device, a casing constituted by upper and lower shell halves 11 and 12 and accommodates therein the solid-state radiation detector and the like. Each of the upper and lower shell halves comprises: an outer frame 11a, 12a; an inner frame 11b, 12b, and a coupling member 11c, 12c for coupling the outer and inner frames. A space between the outer frame 11a, 12a and the inner frame 11b, 12b is filled with a shock absorbing material 13a, 13b, thereby imparting shock absorbency to the casing itself. The solid-state radiation detector 10 is rigidly secured to the inner frame 12b of the lower shell half 12.

A touch device includes a cover plate, a substrate, a first adhesive layer and a strengthening glue. The cover plate and the substrate each has first and second opposite surfaces and a side surface between the first surface and the second surface. The first adhesive layer is located between the second surface of the cover plate and the first surface of the substrate. A space is formed between the side surface of the first adhesive layer, the second surface of the cover plate and the first surface the substrate a space. The space is filled with the strengthening glue. The cover plate and the substrate are fully bonded to enhance the strength, the compression resistance and the impact resistance of the touch device. Further the accuracy requirement for the first adhesive layer is lowered and the material of the first adhesive layer is saved.

A rail-mounted, wheel-sensing system is shown having a wheel sensor and a rail mounting platform. The system includes a rugged steel rail clamp including two blocks mounted on the base of the rail by a pair of bolt extending under the rail. One block is connected to a vertically adjustable mounting bracket for carrying a sensor or other device. The mounting bracket includes a platform for the sensor. Two shields on the platform protecting a sensor mounted between them. An adapter plate may be added between the mounting bracket and the clamp for installation on lighter or heavier rails.

The invention relates to the technical field of wastewater treatment, and discloses a pharmaceutical wastewater treatment process which comprises steps: preforming wastewater pre-treatment and comprehensive treatment, pumping wastewater into a coagulation gas floatation clarifier, adding polyaluminum chloride and polyacrylamide in a water input pipeline through a coagulation medicine adding system, then enabling mixed wastewater to enter a three-phase catalytic oxidation tower, a coagulative precipitation tank, a pre-acidification pool, a thermoregulation pool, a UASB reaction pool and a combined type hydrolysis acidification pool sequentially, subjecting the mixed wastewater to hydrolysis acidification, enabling the wastewater to enter a primary A/O pool, a primary precipitation pool, a secondary A/O pool, a secondary precipitation pool, a Fenton oxidation pool and a tertiary precipitation pool sequentially, and discharging standard outlet water from a standard discharging opening. The process has the advantages of stable running effect, high ammonium-nitrogen removal rate, and low running cost, thereby being suitable for treatment of wastewater, which is refractory to degrade, in the pharmaceutical industry.

A joint part 1 excellent in both properties of low fuel permeability and weldability. The joint part 1 includes a cylindrical main body 2, a welding member 3, provided on the cylindrical main body, to be welded on a rim of an opening end of a resin fuel tank 4, wherein the main body and the welding member are integrally formed by an alloy prepared by using main components of following components (A) and (B) and kneading the alloy at a temperature of not more than melting points of the component (A) and a following component (b), and the component (B) is present at an amount of 80 to 300 parts by volume based on 100 parts by volume of the component (A), and a modification ratio of the component (b) is 0.1 to 5% by weight; (A) an ethylene vinyl alcohol copolymer (B) a high density polyethylene wherein a following component (b) is a main component; (b) a modified high density polyethylene having at least one functional group selected from the group consisting of a maleic anhydride group and the like.

A protective enclosure for a small hand or body carryable personal electronic devices such as a well-known IPOD or IPHONE. A two-part generally rectangular housing includes front and back covers formed of high-impact thin-wall molded material and sized to protectively fit together along mating edges around the electronic device. Access openings are preferably provided for the viewing screen, control wheel, touch screen, battery charger, car phone plug-in, and docking port of the electronic device. A device clip formed of thin metal material having laterally extending retaining arms biasingly engage around opposing edges of front and back covers to hold them together against the front and back of the device. A belt clip may be connected to one end of the device clip adapted for releasable attachment to a clothing article.

The utility model relates to an abandon-anode-protection method in the technical field of anti-corrosion for metals in reinforced concrete structures in marine environment, in particular to an abandon-anode-protection method for reinforced concrete in an area with tide difference and wave splashing. The main structure includes a terminal box, an extended anode, an electric connecting wire, a composite sheath, a metallic fastener, a sheath-connecting slot, an under-water abandon anode, a reinforced concrete bridge pier, rebars, fixing parts, extended-anode connector, electrically conductive cement mortar filler, conductive connectors and under-water fixers. The rebars in the concrete are fixedly connected with the conductive connectors at one end of the abandon anode; the electrically conductive cement mortar filler fixes the extended anode on the surface to be protected; the under-water abandon anode is fixed by steel strip or angle steel, and is electrically connected with the rebars in the concrete. The abandon-anode-protection method for reinforced concrete in an area with tide difference and wave splashing is characterized by no maintenance, easy installation, is helpful for after-stage replacing and re-protection, and will not influence the service life or operation of the reinforced concrete structures.

The invention discloses a hydraulic fracturing and grouting solidification combined rock cross-cut coal uncovering method which includes that when roadway drivage reaches a 10m coal layer vertical distance, fracturing holes of a coal layer are drilled, the coal layer is subjected to hydraulic fracturing, and the water injection amount reaches the preset value after above 3MPa pressure drop appears in fracturing; a plurality of grouting holes are drilled when the roadway drivage reaches a 5m coal layer vertical distance; coal layer methane gases are extracted through the fracturing holes and the grouting holes; the coal layer is subjected to quantitative grouting through the grouting holes with grouting pressure to be above 15MPa; and roadway drivage is continued after grouting solidification, and rock cross-cut coal uncovering is completed. Single hole grouting amount includes grouting hole grouting amount M1 and coal layer permeation grouting amount M2 and is calculated according to M=M1+M2=rho*eta/K *(pi*D<2>/4 *L +pir<2>*l*P)*10<-6>, wherein rho is a grouting density, eta is a storage coefficient, K is a grouting foaming expansion rate, D is a drilling diameter, L is grouting hole length, r is a penetration radius of slurry in the coal layer, l is length of the grouting holes in the coal layer and p is a coal layer porosity. The hydraulic fracturing and grouting solidification combined rock cross-cut coal uncovering method has the advantages of being capable of fast and safely performing rock cross-cut coal uncovering, avoiding re-handling, and improving social benefit.

A portable target rack capable of simultaneously holding multiple shooting targets includes a base and arms extending away from the base. Target holders are attached to the arms and spaced along the length of the arms, and a target holder for non-planar targets is attached to the top of the base. The arms and base are collapsible to facilitate transport of the target rack.

The invention discloses an anti-seismic flexible passive protecting screen system for a side slope, which comprises a passive protecting screen, a steel column (3), an upper supporting rope (2), a lower supporting rope (4) and an upper anchor pulling rope (11). The anti-seismic flexible passive protecting screen system for the side slope is characterized in that at least one end of the upper supporting rope (2) is connected with the top end of the steel column (3) via an anti-seismic damping component, and the upper anchor pulling rope (11) is connected with the top end of the steel column (3) via another anti-seismic damping component. When the side slope is in earthquake, stones and rocks rolling along the surface of the side slope can generate large impact force to the passive protecting screen, and impact energy can be converted into damping liquid heat energy via the anti-seismic damping components. Impact caused by falling rocks, rolling stones, shallow collapse and the like on the rock side slope when in earthquake to the passive protecting screen can be effectively reduced, and the problem that buildings below the side slope are damaged due to the fact that the passive protecting screen is broken by the falling rocks and the rolling stones is avoided. In addition, the protecting screen system is simple in structure, convenient in manufacture and reliable in performance.

Aqueous coating compositions containing a film-forming polymer, at least one flame retardant or smoke suppressant, glass or ceramic microballoons, and expandable flake graphite may be applied to building components pre- or post-installation, and provide a flexible and adherent coating. When exposed to heat, the coating expands to form an insulative yet cohesive layer which protects the component from fire-induced damage.

Provided is a polyamide resin composition comprising an elastomer etc, and a reactive polyamide resin excellent in reactivity. The polyamide resin composition comprises 0.5 to 100 parts by mass of an elastomer per 100 parts by mass of a reactive polyamide resin, wherein the reactive polyamide resin obtained by polycondensing a diamine (A) containing 70 mol % or more of a diamine structural unit derived from xylylenediamine and a dicarboxylic acid (B) containing 50 mol % or more of a dicarboxylic acid structural unit derived from sebacic acid, and has a concentration of reactive functional groups of 100 μeq/g or more and a molar ratio of reacted diamine to reacted dicarboxylic acid (the number of moles of reacted diamine/the number of moles of reacted dicarboxylic acid) of 1.0 or more.

The back surface protective film for solar cell of the present invention is provided with a first resin layer obtained using a first thermoplastic resin composition which is prepared by melt-kneading a starting composition containing a first thermoplastic resin and a silane coupling agent. The back surface protective film may be provided with other resin layer bonding to the first resin layer. The thickness thereof is preferably in the range from 10 to 1,000 μm. The solar cell module of the present invention is provided with the back surface protective film for solar cell.

An electronic assembly for use in a downhole tool includes a damming boot deployed about at least one integrated circuit component on a circuit board. The boot is disposed to house the integrated circuit leads and solder joints in a substantially sealed cavity between the circuit board, the integrated circuit body, and an inner surface of the damming boot. The boot is also disposed to support the integrated circuit body and thereby improve the shock and vibration resistance of various electronic assemblies used in downhole tools. The invention also tends to improve the reworkability of downhole electronic assemblies.