37results about How to "Resistant to twisting" patented technology

A bone screw has a flexible shaft which prevents relative movements in the direction of tension, but permits smaller movements in all other directions. The bone screw is configured as a screw insertable into medullary cavities having a curved surface, where the screw adapts to the given contour.

The invention belongs to the technical field of electrical wire and cable production processes, and particularly relates to a cleaning-type oil-resistant cable. Conductors (1) are copper conductors, the structures of the conductors adopt a first type or a second type, a cross-linked polyethylene insulating layer (2) is extruded on the conductors (1) respectively by applying a warm water cross-linking technology to serve as a cable core, an inner lining layer (3) is arranged outside the cable core, an armor layer (4) is armored by back-twist type galvanized fine steel wires, aluminum-plastic composite tapes are longitudinally coated and welded outside the armor layer (4) to form a water and tide blocking layer (5), and a flame-retardant jacket layer (6) made of a butyronitrile material is arranged at the outermost layer. With a double-layer co-extrusion mode to extrude, the arrangement of the high-strength water and tide blocking layer capable of longitudinally preventing tension in the overall cable and a process of double-layer co-extrusion protection layers, the cleaning-type oil-resistant cable has not only very strong resistance to abrasion and oil, but also better resistance to cleaning, thereby the quality stability of the oil-resistant cable is improved and a new technical field is developed for the development of the cleaning-type oil-resistant cable.

A vehicle, such as a motorcycle, includes one or more stationary funnels through which air is delivered to an intake port of an engine. One or more movable funnels are arranged on an inlet side of the one or more stationary funnels and cooperating with the stationary funnels to deliver air to the intake port of the engine. A parallel linkage rotatably supports the stationary funnels and includes an upper linkage member and a lower linkage member.

A dispensing closure for a vessel comprising a base member and a spout member engaged with the base member. The base member including a rupture member having a camming surface and the spout member having a cam actuator for engaging the camming surface to rupture the rupture member during twisting of the spout member in a first direction relative to the base member from a sealed position to a flow position to define a flow opening in the base member to permit fluid flow through the flow opening. The dispensing closure may include a pair of spaced rupture members and cam actuators. The dispensing closure may include a cap member hingedly attached to the spout member. The dispensing closure may include tamper evidency ring or other structure and a locking mechanism configured to lock the cap member in the closed position until the cap member and spout are rotated a sufficient distance to break the tamper evidency ring.

A collapsible boat hull comprises a pair of bottom panels and a pair of side panels, connected by continuous hinges. Erection of the boat causes a fore portion of the bottom panels to curve upwards, and fore portions of the side panels to curve inwards. The boat also includes a V-shaped rear seat, which acts to transfer force and vibration from a rearwardly mounted outboard motor to the side walls of the boat. The boat is braced between its seats and the hull.

The invention discloses an optical fiber and control core composite type cable for wind power generation. The optical fiber and control core composite type cable for the wind power generation comprises a cable core, a packing layer is arranged in a gap position of the cable core, an inner protective sleeve wraps the outer portion of the cable core in a pressing mode, high-strength aramid yarns are woven outside the inner protective sleeve, and an outer protective sleeve wraps the outmost layer of the cable core. The cable core is composed of an optical fiber unit which is placed in the center of the cable core, four electric power transmission line cores and four control cable cores in a twisting mode. The optical fiber and control core composite type cable for the wind power generation is mainly used in a wind power generator tower and used for controlling electric power transmission of a generator, signal transmission of the generator and devices. The optical fiber and control core composite type cable for the wind power generation not only integrates electric power transmission, signal transmission and circuit control, but also has low temperature resistance, distortion resistance, cracking resistance, and a strong tensile property.

The invention discloses an anti-colliding and anti-grinding stall lock. The anti-colliding and anti-grinding stall lock comprises a base. A motor is fixedly arranged in the base, an output shaft of the motor is fixedly connected with a rotation shaft, the base is fixedly provided with a rotation shaft base, and the rotation shaft base is connected to the rotation shaft in a pivoted mode. The two ends of the rotation shaft are fixedly connected with rocker arms. The motor pushes the rotation shaft through the output shaft of the motor, so that the rotation shaft rotates relative to the rotation shaft base, and overturning of the rocker arms relative to the base is achieved. The rotation shaft is a hollow semi-circle shaft, and the rocker arms are hollow rocker arms. The rotation shaft and the rocker arms have torsion resistance and flexibility, and the impact force of a vehicle is borne through torsion of the rotation shaft so that the anti-colliding function can be achieved. The anti-colliding and anti-grinding stall lock is made of modified nylon so that the anti-grinding function can be achieved.

The invention discloses a cable sheath material for wind power generation and belongs to the field of cable sheath materials. The cable sheath material is prepared from, by weight, 70-85 parts of HDPE, 15-30 parts of modifying agent, 15-25 parts of amorphism copolymer, 20-25 parts of acetylene carbon black, 10-20 parts of cold-resistant plasticizer, 20-35 parts of reinforcing filler, 5-15 parts of nano-scale inorganic active agent, 1-3 parts of cross-linking agent, 2-5 parts of auxiliary cross-linking agent, 1-3 parts of anti-aging agent and 10-20 parts of inorganic flame retardant. The cable material has low-temperature resistant and distortion resistant performance and good flexibility, and is suitable for distortion resistant cables, drag chain cables and control cables for wind power generation.

An assembly, in particular for controlling variable pitch vanes in a turbine engine, comprising an actuating ring surrounding a casing of the turbine engine and connected by rods to variable pitch vanes, in addition to a driving means for rotating the actuating ring around the casing. The assembly includes a slidingly connected passive element, one end of which is connected by a sliding pivoting link on the actuating ring and a second end is connected by a ball-joint link to the casing.

The invention discloses a rubber flexible cable which comprises a cable core. The cable core comprises two V-shaped rubber frameworks arranged in a back-to-back mode. The inner sides of the two V-shaped rubber frameworks are respectively provided with one main conductor. Control wire cores are arranged in a left cavity and a right cavity formed by the outer side faces of the two V-shaped rubber frameworks respectively. A foaming polyethylene insulating layer, a copper belt spiral lapped covering layer and a ceramic fiber weaving layer sequentially wrap each main conductor. Each control wire core comprises a control conductor. A polypropylene insulating layer wraps each control conductor, a plurality of control conductors are uniformly distributed around a rubber bar and wrapped with aluminum belt lapping shield layers. A tensile belt, a zinc-coated steel wire armoring shield layer, a flame-retardant wrapping tape layer and an outer protecting sleeve sequentially wrap the cable core. The cable has the torsion-resistant and tensile property, resists distortion, and is safe and reliable to use.

The invention discloses an optical fiber compound wind power cable which comprises a cable core. A packing layer is arranged at a gap position of the cable core, high-strength aramid yarn is woven on the outside of the cable core, and an outer protective sheath wraps the outermost layer of the cable core in an extrusion mode. The cable core is formed by stranding an electric power transmission cable core and a control cable core in parallel. The control cable core is formed by stranding three control cable core bodies and one optical fiber unit, and an inner protective sheath wraps the outside of the control cable core in an extrusion mode. The optical fiber compound wind power cable is mainly used in a wind driven generator tower to conduct wind driven generator electric power transmission, signal transmission and device control. The cable integrates electric power transmission, signal transmission and a control circuit, is resistant to low temperature, torsion and cracking and has good tensile property.

The invention provides an anisotropic conductive adhesive and a preparation method thereof. According to the invention, low-melting-point metal is used as conductive particles of the anisotropic conductive adhesive, so high conductivity and low cost of the conductive adhesive can be ensured; by selecting curable resin and a curing agent, the anisotropic conductive adhesive can be quickly cured atroom temperature and can be used on various substrates with poor temperature resistance, so the application range of the anisotropic conductive adhesive is widened, and the mounting production efficiency of electronic product components can be remarkably improved; and the anisotropic conductive adhesive with the low-melting-point metal as the conductive particles has relatively low contact resistance, relatively high bonding strength and excellent damp-heat resistance stability when applied to various substrates.

The invention provides a non-contact embedded body of an electronic certificate and a method for manufacturing the same. The embedded body comprises an upper protective layer, an upper connecting layer, a chip bearing bed, a lower connecting layer and a lower protective layer which are molten and compounded from top to bottom in sequence. The materials of the upper protective layer and the lower protective layer are a flexible material suitable for combining the certificate binding process and the prior paperhanging adhesive. The materials of the upper protective layer and the lower protective layer are fiber materials with a textile structure, or non-woven fabric, or paper or cotton fabric. The materials of the connecting layers are macromolecular and thermoplastic elastic films. The invention also provides the method for manufacturing the non-contact embedded body of the electronic certificate. The method comprise: melting and compounding the upper protective layer, the upper connecting layer, the chip bearing bed, the lower connecting layer and the lower protective layer from top to bottom to obtain the product. The embedded body has the advantages of strong fastness, warp resistance and flexure resistance. The material choosing range is widened through a reasonable layer structure, and the manufacturing method is simple and greatly reduces the manufacture cost.

The invention discloses a tensile resistance flat electric cable, which comprises conductors, insulation wire cores and a sheath, wherein a flame retarding crosslinked polyolefin insulation layer is lapped on each conductor; a copper wire armoured layer is weaved outside each insulation layer; a flame retarding crosslinked polyolefin insulation layer II is lapped on each copper wire armoured layer to form an insulated wire core; three insulated wire cores are combined to form a cable core; steel wire ropes are arranged among the cable cores; a copper wire armoured layer II is weaved outside the cable cores; a high flame retarding corrosion resistance flexible neoprene sheath layer is lapped on the copper wire armoured layer II. According to the tensile resistance flat electric cable, performance indicators of low smoke, flame retardance shock prevention and the like are met. The tensile resistance flat electric cable also has the advantages of distortion resistance and tensile resistance.

The invention discloses a self-bearing anti-tension optical fiber composite cable. The cable comprises an inner conductor, an insulating layer, a shielding layer, an outer conductor and an outer sheath from inside to outside. The inner conductor is formed by stranding of a central bearing core and a plurality of inner conductor conductive single wires which surround the bearing core with the bearing core serving as a circular center; a metal anti-tension pipe is arranged between the insulating layer and the shielding layer. The outer conductor is formed in such a manner that a plurality of anti-tension metal wires are parallelly wound and then are combined with at least one optical fiber unit. The integral cable is of a total-symmetric structure, is high in self-bearing and anti-tension performance, is good in pressing resistance, moisture prevention and sealing performance, is low in attenuation, is good is shielding effect and simultaneously has signal transmission and control effects, so that the unicity of a conventional cable is changed.

Provided is a fan suspension cable. An outer sheath composed of an ethylene-propylene rubber filling layer and a high-tear-resistance silicone rubber compound is adopted, and the distance between a stainless steel wire reinforcing rib in the outer sheath and the center of the cable core is greater than the average distance from the center of the cable core to the outer surface of the outer sheath. The stainless steel wire reinforcing rib slightly away from the outer layer of the cable enables the cable to be suspended vertically. The adopted outer sheath composed of the ethylene-propylene rubber filling layer and the high-tear-resistance silicone rubber compound is a material which is aging-resistant, corrosion-resistant, tensile and compressive, distortion-resistant and the like. Therefore, the fan suspension cable of the invention is suitable for field use and more suitable for suspension use.