144results about How to "Strong compression" patented technology

A feedthrough terminal assembly for active implantable medical devices includes a structural wire bond pad for a convenient attachment of wires from either the circuitry inside the implantable medical device or wires external to the device. Direct attachment of wire bond pads to terminal pins enables thermal or ultrasonic bonding of lead wires, while shielding the capacitor or other delicate components from the forces applied to the assembly during attachment of the wires.

An electromagnetic interference filter terminal assembly for active implantable medical devices includes a structural pad in the form of a substrate or attached wire bond pad, for convenient attachment of wires from the circuitry inside the implantable medical device to the capacitor structure via thermal or ultrasonic bonding, soldering or the like while shielding the capacitor from forces applied to the assembly during attachment of the wires.

A lightweight, high-strength proppant is disclosed, comprising the formation of finely dispersed ceramic precursors and sintering at low temperatures, causing the formation and retention of mesopores and micropores in pelletized ceramic. A method of manufacturing such a proppant is also disclosed, comprising the steps of manufacturing finely divided ceramic precursors and additives using grinding, milling, and preferably sol-gel processes, and dispersing the finely divided ceramic precursors and additives in a liquid, preferably water. The dispersion has a viscosity profile, which permits the shaping of spheres using conventional pelletizing techniques. Drying of the pellets and sintering at temperatures below 1,400.degrees. C. forms and retains mesopores and micropores in the ceramic. Preferred total pore volumes range from 0.05 to 0.7 cm.sup.3/g. The pelletized and porous ceramic is useful as lightweight and high-strength proppants.

The invention relates to an intelligent trash can device and a method for pneumatic uncovering and trash compression. The intelligent trash can device comprises a trash can body. The trash can body comprises an outer can, an inner can and a can cover. An air pump, a first infrared sensor, a first five-way three-position electromagnetic valve, a first gas pipe, a first gas cylinder, a second infrared sensor, a second five-way three-position electromagnetic valve, a second gas pipe, a third gas pipe, a second gas cylinder, a linkage mechanism and a shear-fork type connection rod lifting table are installed. The intelligent trash can device which is adopted is simple in structure, pneumatic uncovering can be accurately and efficiency sensed in an infrared manner, trash can also be powerfully compressed, true compression of the trash is achieved, the human cost is saved, and sanitation and health are ensured.

Flat gasket comprising a first sheet metal layer consisting of a spring steel and a second sheet metal layer consisting of a ductile steel, the first layer being provided with a sealing bead, and the second layer being provided in an edge area bordering on an edge of the layer with a thickened zone as supporting element for receiving pressing forces; to increase the design possibilities for such a supporting element, the latter is formed by at least one elongate arch of the second layer, which is stamped into the edge area of the second layer and extends approximately parallel to the free edge of the edge area, the arch being compressed in such a way that the metal volume of the supporting element is at least three times the total hollow space volume which the supporting element and two tangential planes abutting on the latter and extending parallel to the plane of the second layer include between them.

The invention relates to an argon tungsten-arc welding gun and discloses a water-cooling TIG welding gun with a copper-coated tungsten electrode on the basis of cathode compression effect. The water-cooling TIG welding gun comprises a center column with the upper part connected to a tail cover and the lower part connected to an electrode base, the lower part of the electrode base is connected to a porous electrode sleeve provided with an electrode tip internal hole chamber, and a tungsten electrode tip is installed at the lower end of the porous electrode sleeve in an embedded mode; a sleeve is arranged outside the center column, and a gap air channel is formed between the sleeve and the center column; the lower part of the sleeve is connected to a shielding gas hood; the tail cover is provided with a water outlet pipe, a water inlet pipe and an air inlet pipe, and a water return hole, a water inlet hole, a ventilation hole and a gas stilling chamber communicating with the gap air channel are correspondingly formed inside the gun body; a water spray nozzle communicating with the water inlet hole is connected to the bottom of the center column; a cooling water channel and a shielding gas channel are separated by an upper sealing ring and a lower sealing ring. According to the water-cooling TIG welding gun, cooling liquid is directly guided into the tungsten electrode for strongly cooling the tungsten electrode, the area of a cathode zone can be compressed, arc columns can be compressed more strongly, the penetrating power of arcs can be improved, and the welding arcs can have better penetrability.

A multi-level intersegmental stabilization implant for a facet joint of a first vertebra includes a lower retainer module having a transfacetal fastener and an upper retainer module having a second fastener configured for fastening through the pedicle of an upper vertebra. The lower and upper retainer modules are connected by an elongated carrier element dimensioned such as to span across at least two vertebrae. The transfacetal fastener is configured as a screw having a head and a shaft ending with a tip, the shaft being provided with a thread at least in a region near its tip such that it engages exclusively the lower section of the facet joint, wherein a washer is provided co-operatively connected with the transfacetal fastener, the washer being configured for bearing on an outer surface of the upper section of the facet joint.

The invention relates to an in-situ mineralized bionic bone hydrogel composite material with an oriented structure as well as a preparation method and application thereof, which comprises a natural plant fiber template, natural polymer hydrogel directionally filled in the natural plant fiber template and hydroxyapatite directionally deposited in the natural plant fiber template. The hydrogel composite material has a three-dimensional porous structure and is anisotropic, which overcomes the problem of uneven distribution of hydroxyapatite particles in the hydrogel matrix; the material has super-strong tensile strength, compression strength, bending strength and toughness, and the mechanical properties are matched with those of hard bone tissues. The material is beneficial to induce pre-osteoblast adhesion and osteogenic differentiation, promote new bone growth, has good osseointegration and mechanical stability, and is suitable for large-area hard bone tissue repair; in addition, the material has adjustable surface activity, and fine adjustment and control of the structure and the surface can be achieved.

The invention relates to the building technology field, in particular to an earthquake proof foundation which consists of a foundation main body, a concrete cover plate, a foundation soleplate, a downward oblique bar layer, an upward oblique bar layer, an upward longitudinal bar layer, an upward transverse bar layer, a foundation pit soleplate, a retaining wall, a quenched steel cover plate, a quenched steel support plate and a quenched steel clapboard. The foundation main body is positioned in the foundation pit, the foundation soleplate is a horizontal quenched steel plate, four bar layers forming an angle with one another are arranged between the foundation soleplate and the foundation pit soleplate, each bar layer consists of a row of cylindrical quenched steel bars which are horizontally arranged and have gaps with each other, and one horizontally positioned quenched steel clapboard is arranged between every two adjacent bar layers. The retaining wall is positioned at the peripheral walls of the foundation pit, and spaces are remained between the retaining wall and the foundation main body as well as the downward oblique bar layer, the upward oblique bar layer, the upward longitudinal bar layer, the upward transverse bar layer and the edges of the quenched steel clapboard.

An anode material for lithium secondary battery, which comprises graphite particles and a crystalline carbon coating layer formed thereon, wherein each graphite particle has a bent laminate structure inside, is produced by grinding a graphite of 5 mm or less in average particle diameter using an impact grinder to produce graphite particles of 100 μm or less in average particle diameter having a bent laminate structure inside each particle and then subjecting the graphite particles to chemical vapor deposition in a fluidized bed type reaction furnace to form a crystalline carbon coating layer on the graphite particles.

A ring cam for a fluid-working machine is formed from a plurality of segments. The segments have piston facing surfaces together defining a working surface of the fluid-working machine. The segments comprise a leading cooperating formation which has a piston facing surface which forms part of the working surface, at a trailing end, and which is recessed from the working surface at a leading end, and a trailing cooperating formation which has a piston facing surface which forms part of the working surface at a leading end, and which is recessed from the working surface at a trailing end. The cooperating formations interlock and rollers are thereby handed over smoothly from one segment to the next irrespective of slight variations in alignment due to manufacturing tolerance or wear.

The invention relates to a steel cord (30) comprising cylindrical layers, said cord including: an inner layer (C1) formed by M wires, an intermediate layer (C2) formed by N wires helically wound around the inner layer (C1), and an outer layer (C3) formed by P wires helically wound around the intermediate layer (C2), in which the inter-wire distance D2 of the wires of the intermediate layer (C2) is greater than or equal to 25 µm and the inter-wire distance D3 of the wires of the outer layer (C3) is greater than or equal to 25 µm.

The invention discloses a groove-pipe combined exhaust technology for joint grouting for a normal concrete arch dam. An exhaust system adopted in the technology comprises a triangular exhaust groove, an exhaust main pipe, exhaust holes, hole sealing kraft paper, exhaust pipes and groove sealing galvanized sheet iron. The implementation process mainly comprises the steps as follows: forming the triangular exhaust groove on the side surface of a concrete pre-cast block; punching holes on the exhaust main pipe at equal intervals in a stagger manner; sealing the holes with the hole sealing kraft paper; mounting the exhaust main pipe before casting a post-cast block; connecting the exhaust main pipe with the exhaust pipes through elbows; and sealing the mouth of the exhaust groove with the galvanized sheet iron after the exhaust pipes are mounted, so as to form the pipe-groove combined exhaust system. The invention has the advantages as follows: the construction is simple, convenient and practicable and has higher reliability; and compared with other exhaust technologies, the groove-pipe combined exhaust technology can effectively prevent blockage of an exhaust pipeline system in the joint grouting arrangement of the arch dam in the concrete casting process.

The invention discloses a volute type ecological wave dissipation structure. The volute type ecological wave dissipation structure comprises a plurality of volute wave dissipation units, pre-stressedsteel bundles and pre-stressed anchorage devices. The multiple volute wave dissipation units are spliced in a staggered mode by adopting mortise and tenon, and all the volute wave dissipation units are connected with an embankment slope protection body through the pre-stressed steel bundles. The volute wave dissipation units are placed horizontally or vertically, and each include a spacer bar andtwo symmetrically arranged volute type wave dissipation flow passages. Each volute type wave dissipation flow passage is formed by enclosing a large arc surface and a small arc surface, and is provided with a circular wave inlet and outlet and a wave energy dissipation port. The wave inlets and outlets are located on the water-facing side, the vertical cross-sectional areas of the volute type wavedissipation flow passages are gradually reduced from the wave inlets and outlets to the wave energy dissipation ports, and the two wave energy dissipation ports in each volute wave dissipation unit coincide. The volute type ecological wave dissipation structure has high wave dissipation efficiency, low cost, high weather resistance, high erosion resistance, high scouring resistance, high compressive strength and shear strength, good overall stability, high uncoordinated deformation ability to adapt to a bank slope and good ecological protection and ecological landscape comprehensive benefits.

The invention discloses a high-performance aluminium alloy cable for buildings, which solves the problems that the conventional power cables for buildings consume more copper resources, are worse in bending performance, and have short service life and the like, and has the advantages of light weight, the capability of corrosion-resistance and halogen-free flame retardant, small bending radius, excellent electrical property, long service life and the like. The high-performance aluminium alloy cable structurally comprises a cable core, wherein the cable core is formed by a plurality of wire core conductors arranged inside a filler and made of aluminium alloy; a conductor double-layer insulation layer is arranged on the outer wall of each wire core conductor; the plurality of wire core conductors are intertwisted in a symmetric arrangement manner; the outer wall of the filler is wrapped with a cable belting layer, a cable armored layer and a cable shield layer sequentially from the inside out.

The invention relates to a press section for dewatering in a machine for producing a fibrous web (1), in particular a paper, cardboard, or tissue web, comprising a shoe press nip (8) formed by a press roll (2) and a counter roll (3), wherein the press roll (2) has a circumferential flexible cylindrical surface, a supporting stationary yoke, a pressing element (4), and press-on devices, and wherein the press-on devices press the pressing element (4) against the cylindrical surface (7) and thus the cylindrical surface (7) against the counter roll (3), and wherein a collecting tray (20.1, 20.3, 20.4) is provided downstream of the shoe press nip (8) in the running direction of the web; the cylindrical surface (7) is grooved, wherein the length of the grooves in the circumferential direction is greater than the nip length (L), and a collecting tray (10.1, 10.2, 10.3, 10.4) is provided upstream of the shoe press nip (8) on the side of the press roll (2) so that a large amount of water sprays back from the shoe press nip in a direction opposite the running direction of the web and contributes to the improvement of the dewatering performance.

Disclosed is a processing device that performs processes such as compositing by applying strong pressure or shear force to granular materials. Said processing device, which has a simple structure and can easily find optimal processing conditions, is provided with: a vertical mixing vessel (20); a rotating shaft (30) inserted through the bottom of the mixing vessel (20); a plurality of stirring blades (40) provided on the rotating shaft (30); and a plurality of impact plates (50) affixed to the mixing vessel (20). Letting the diameter of the mixing vessel (20) be d, the minimum distance between the stirring blades (40) and the impact plates (50) is at most 0.1d.

The invention discloses a leather repair machine and a repair method thereof and relates to the technical field of leather repair. The leather repair machine comprises a repair machine body, a temperature and pressure adjusting device, a I-shaped rack and a pneumatic device, wherein the temperature and pressure adjusting device is located at the upper end of the repair machine body and moves all around on the upper end surface of the repair machine body; a pressure head is arranged below the temperature and pressure adjusting device through a telescopic assembly; a heater is arranged below thepressure head; the I-shaped rack is placed on an operating table of the repair machine body; the pneumatic device is arranged below the repair machine body and is connected to the temperature and pressure adjusting device to provide kinetic energy for the temperature and pressure adjusting device; a circuit integrating box is arranged behind the repair machine body; and a power supply module is arranged on the circuit integrating box. The leather repair machine disclosed by the invention can solve the problem that the biofidelity of copied leather is low as the operating space of an existingrepair machine is narrow in space, and has the beneficial effects of being high in biofidelity and large in operating space.

A sealed housing of an electric heating device to be installed in a motor vehicle includes a housing lower part and a housing cover abutting on the housing lower part via an intermediate sealing element. An elongate positive locking element, which interconnects the housing lower part and the housing cover in a form fit manner, is provided between opposed contact surfaces of the housing lower part and a housing cover. The positive locking element abuts on the contact surfaces under a pretensioning force caused by compression of the sealing element. A method of producing a sealed housing also is disclosed via which the contact surfaces move into contact with the elongate positive locking element under a pretensioning force of the sealing element.

A heat exchanger is provided comprising a stack of heat exchanger plates (1, 1a, 1b, 1 c) formed of sheet metal having a three-dimensional structured pattern (2, 3), each heat exchanger plate (1,1 a, 1b, 1 c) having a groove (10), a gasket (9) being arranged in said groove (10) and resting against an adjacent heat exchanger plate (1 a), said groove (10) having a bottom inner surface (11), said inner surface bottom (11) having at least a protrusion (14, 15) directed to said adjacent heat exchanger plate (1a). It is intended to minimize the risk of a leakage. To this end in the region of said protrusion (14, 15) said gasket (9) is compressed more than in a region out of said protrusion (14, 15).