180results about How to "Reduce chafing" patented technology

A security and protection device for an ear-mounted audio amplifier or telecommunication instrument. The device includes a resilient water-pervious hollow sleeve sized and shaped to snugly conform to the shape of an audio amplifier or telecommunication instrument having an earpiece insertable in to the ear of a user when the sleeve is slid over the instrument. The sleeve has a top opening at a top end of the sleeve and a bottom opening at an opposite bottom end of the sleeve. The bottom opening is sized to snugly receive the instrument into the hollow sleeve so as to substantially completely cover the instrument when journalled in the sleeve. The top opening is sized to snugly receive through the top opening a corresponding upper end of the instrument. The upper end of the instrument is connected to the instrument earpiece.

A support pocket with a conformable pouch having an elastic back is secured to the inside front of a man's brief. A pair of flaps extending upwardly from opposite sides of the pouch are movable between a fastened closed position overlapping one another and laying flat against the inside front of the brief, and an open position separated from one another to open the pouch from above.

A retractable pressure hose can be created which comprises an inlet connector, an outlet connector, an inner elastic tube, an outer cover, and a lubricant disposed to reducing chafing between the inner elastic tube and the outer cover. In such a hose, the lubricant can comprise a solid lubricant such as paraffin wax or other slippery solids, a liquid lubricant such as olive oil or other slippery liquids, or a combination of solid and/or liquid lubricants.

A backpack having a shoulder harness (14) and a hip harness (20). The shoulder harness preferably consists of a pair of padded shoulder strap assemblies (14a and 14b) that have elongate pockets (27) sewn into their outer linings into which contour plates (26) are fitted to control the lateral curvature of the straps. The plates are selected to have the stiffness and shape to suit the chest and shoulder shape of the individual user. The hip harness (20) is preferably divided into independent left and right halves (20a and 20b) that are each pivotally attached to a frame element within the front lower portion of the pack. While the hip harness may be unitary, or the two halves may be more or less tightly coupled together, pivotal attachment of the back of the harness to the pack is highly desirable.

The invention discloses a high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire and a production method of the high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire. The high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire is produced by finely selecting ingredients and contents of aluminum alloy and conducting process control. The specific steps are as follows: selecting Fe, Si, Mg, Cu and Re with different weight percents, melting aluminum ingot with the content not more than 0.03% in a vertical melting furnace, adding alloying elements in a heat insulation furnace, stirring, refining, conducting on-the-spot contents rapid analysis, carrying out content adjustment, and standing, enabling the aluminum ingot and the alloying element into a continuous casting machine for casting, rolling to be a circular aluminum alloy rod on a continuous rolling machine, pulling the circular aluminum alloy rod to be a circular aluminum alloy wire and twisting the circular aluminum alloy wire to be a conductor for aerial power transmission and distribution. According to the application of the aluminum alloy wire and the production method of the aluminum alloy wire, the aluminum alloy wire directly replaces the generally used aluminum conductor steel reinforced and is an energy-saving, environment-friendly and novel wire.

A surgical binder undergarment system and method are disclosed which are designed to prevent skin chafing/irritation on patients recovering from abdominal/thoracic/back surgery and who must wear a surgical binder to prevent post-surgical injury to patient muscle and skin tissue because of incisions necessitated by the surgical procedure. The present invention is generally constructed of a seamless tubular fabric optimally comprising a fabric weave of 50% cotton and 50% polyester that is latex free and stretches over the abdomen/thorax of the patient to form a flexible protective low friction interface between the patient's skin and the surrounding surgical binder. Use of the present invention permits the surgical binder to remain clean with a corresponding reduction in incision infections and increase in overall patient comfort during post-operative recovery.

A grip assist apparatus that may be worn on either hand that includes a symmetrical non-slip gripping portion that includes a substantially stiff palm arch support, a wrist portion, and a releasable wrist fastener.

The invention relates to the technical field of centrifuges, in particular to a centrifugal accelerating disc structure of a push-type centrifuge, and solves the problem that impact force applied to a screen by a material is high when the material is accelerated to enter a separation state by the push-type centrifuge. The structure comprises a large circular flat plate and a small circular flat plate which are parallel to each other, and is characterized in that: a plurality of blades are arranged between the two flat plates and are uniformly and radially distributed; the tail ends of the plurality of blades are positioned on the same circumference; the curve of each blade is a turbine centrifugal line; each blade consists of a plurality of sections of circular arcs; the radii of the plurality of sections of circular arcs of each blade are gradually increased from the head to the tail end; and a section of part on the head of each blade is provided with a radial arc surface which inclines to the rotation direction of each blade. The structure greatly reduces the scratch, wear and defect of crystal grains in the material, ensures that the material is fed smoothly and uniformly, canreduce the residual moisture content of the separated material, and can effectively separate a material which is difficult to separate.

The invention discloses lubricating oil for rotary kiln wheel belts and a method for preparing the same. The lubricating oil can be used to solve the problem that the lubricating performance of the rotary kiln wheel belts is undesirable in severe environments, has high wear resistance and high temperature resistance. The maximum use temperature of the lubricating oil can reach 600 DEG C, and therefore the lubricating oil can form a high-strength high-temperature protective lubricating firm to prevent vibration, distortion and deformation of rotary kilns and falling of flame-retarding bricks and to prolong the service life of the rotary kilns. The easy method for preparing the lubricating oil can improve working efficiency and product quality obviously and save lots of energy, and is convenient to promote. The lubricating oil for rotary kiln wheel belts comprises the following components in percentage by mass: 49 to 69 percent of poly-alpha-olefin, 10 to 30 percent of composite calcium-base grease, 10 to 40 percent of composite metal soap, 2 to 5 percent of nano colloidal molybdenum disulfide powder, 2 to 4 percent of colloidal graphite powder, 1.5 to 3 percent nano soft metal powder and 5 to 6 percent of flame retarder, wherein the total percentage of the components is 100 percent. The kinematic viscosity of poly-alpha-olefin synthetic oil at 100 DEG C is 40 to 80 centistokes, and the open flash point of the poly-alpha-olefin synthetic oil is not less than 320 DEG C.

The invention discloses a chemical-mechanical polishing pad and solves the problem that an existing polishing pad is scratched easily and low in polishing efficiency. According to the technical scheme, the chemical-mechanical polishing pad comprises a polishing layer, a plurality of holes are formed in the polishing surface of the polishing layer, the center of the polishing surface is a circle center, and the holes are arranged into multiple rows of concentric rings different in diameter. The center of the polishing surface is an end point, and a plurality of grooves extending to the edge of the polishing surface are evenly radiated from the end point. The surface roughness of the polishing surface is below 15 micrometers. The polishing pad is simple in structure, capable of increased polishing removing efficiency and inhibiting scratches, and long in service life.

The invention discloses an intelligent rail wagon. The intelligent rail wagon comprises a wagon body and a bogie; central control systems, intelligent weighting devices, temperature detecting systems, vehicle positioning systems, fault alarming systems, intelligent braking systems, dynamic performance detecting systems, accident door opening alarming devices, black boxes and vehicle information display screens are mounted on the wagon body and the bogie, wherein the intelligent weighting devices, the temperature detecting systems, the vehicle positioning systems, the fault alarming systems, the intelligent braking systems, the dynamic performance detecting systems and the accident door opening alarming devices form an intelligent terminal; the central control systems are used for transmitting and concentrating to process and analyze intelligent terminal data through wired network or wireless network by using a transmission medium and exchanging and transmitting vehicle information on real time with a locomotive, a ground train control center and a dispatching center through the wired network or the wireless network. With the adoption of the intelligent rail wagon, the load weight of the wagon can be displayed on real time; the positioning can be performed on real time; a user can conveniently know the goods state information on real time.

The invention belongs to the field of circuit board processing and specifically relates to a lead wire etching technology with gold fingers with three surfaces wrapped by gold. The technology comprises successive steps of inner layer, laminating, drilling, copper sinking, whole-plate electroplating, outer-layer pattern (1), pattern plating, etching (1), resistance welding, outer-layer pattern (2), nickel and gold plating, stripping, outer-layer pattern (3), etching (2), stripping, tape pasting, surface processing, and post-operations. The technology optimizes the process of gold fingers with three surfaces wrapped by gold, improves the quality, solves the problem of gold diffusion, reduces finger gold surface scratches, avoids the phenomena that a coating film cannot be attached to a plate surface completely and etching solution seeps into an etching line, reduces the risk of contamination, and has great market prospect and application value.

A breakwater (wave attenuation system) includes two horizontal tubes as buoyant members connected to one another, their cross-sections representing vertices of a triangle, whose legs are interconnecting struts. A perforated, submerged, ballast tube forms the third vertex. Wave motion is perpendicular to the length of the float tubes tethered to an anchor at the sea floor. A lead float tube rises in response to an approaching wave, often cutting off the wave crest, while a trailing float tube rises less and later as the wave passes. Asynchronous rising and falling of the leading and trailing, floating, top tubes rocks the breakwater, redirecting and dissipating wave momentum, energy, and water volume by rotating the assembly, thrashing the water.

A sleeve device, system and method are provided for restricting and/or constricting aneurysms. More particularly, a sleeve and/or a double-walled sleeve is located in or on a vessel in the location of an aneurysm. When placed around the outside of a vessel, is used to restrict and/or constrict the aneurysm containing portion of the vessel. If desired, the sleeve may be constructed as a double-walled sleeve that can be inflated to apply pressure to and/or in the vessel.

A nursing garment for wearing when breastfeeding an infant, the garment comprising a first garment layer having a front surface that leaves breasts uncovered when worn, a second garment layer connected to the first garment layer, the second garment layer overlying at least a portion of the first garment layer and covering breasts when worn, and at least one support member moveable between a non-breastfeeding position and a breastfeeding position.

The invention discloses a PCB appearance on-line maintenance device. The PCB appearance on-line maintenance device includes an on-line AOI machine, an annular maintenance unit and a browning line, wherein the on-line AOI machine, the annular maintenance unit and the browning line are successively connected; and the annular maintenance unit includes an annular conveyer belt and an automatic maintenance machine which is connected with the annular conveyer belt. The PCB appearance on-line maintenance device has the advantages of implementing on-line maintenance of PCB appearance, avoiding carrying PCBs for multiple times, improving the processing efficiency, reducing the labor intensity, reducing the probability of scratching of the surfaces of the PCBs because the PCBs are carried manually.A maintenance method is also disclosed. After the on-line AOI machine detects the appearance of the PCBs, qualified PCBs can be directly conveyed to the browning line for browning processing, and PCBwith defective appearance are conveyed to the automatic maintenance machine for maintenance and then are conveyed to the browning line for subsequent browning processing after being qualified throughmaintenance. The maintenance method has the advantages of being high in level of mechanization, greatly reducing the number of carrying boards manually, improving the processing efficiency and qualityof products, and being suitable for industrial mass maintenance of PCBs.

The invention discloses a high water resistance type heavy load industrial gear oil, which comprises the following ingredients in percentage by mass: 90-94% of base oil and 10-6% of other additives. PIO (Poly Internal Olefin) and I-type base oil 500SN are combined to serve as the base oil. The high water resistance type heavy load industrial gear oil has the remarkable advantages that the comprehensive property is good, and the use requirements on various performance indexes are met. The gear oil has good thermal oxidation stability, extreme pressure property, abrasion resistance, anti-rust resistance, foam resistance and outstanding high-temperature demulsibility; the gear face abrasion and scratching or even sintering are effectively reduced, the gear transmission efficiency is improved, and the use requirements of industrial gears in extreme severe rugged environments such as high temperature, high humidity, dust, impact load and strong vibration are met. Products of the industrial gear oil can meet the performance requirements on the viscosity grades N150, N220 and N320 of the GB5903-2011 heavy load industrial gear oil.

The invention discloses a screw acid pickling processing method. The screw acid pickling processing method comprises the steps of (1) feeding materials, wherein products needing treatment are lifted and placed in an annealing furnace, the annealing furnace is tightly covered with a furnace cover; (2) raising temperature, wherein the temperature in the annealing furnace is slowly raised to 680-760 DEG C from the normal temperature within 3-4 hours; (3) keeping the temperature, wherein if the materials are 1018 wires or 1022 wires, the temperature is kept for 4-6 hours at 680-715 DEG C, and if the materials are 10B21 wires or 1039 wires or CH38F wires, the temperature is kept for 5.5-7.5 hours at 740-760 DEG C; and (4) conducting cooling treatment, wherein the temperature in the annealing furnace is slowly lowered to 550 DEG C or below within 3-4 hours, and then the temperature of the products is lowered to the normal temperature through furnace cooling. According to the screw acid pickling processing method, the wires are heated to an appropriate temperature, the temperature is kept for a certain time, and then slow cooling is conducted; and in this way, the crystalline structure is adjusted, the hardness is lowered, and the normal temperature machining performance of the wires is improved.

The invention relates to a dynamic measurement gripper with a space two-freedom-degree telescopic function and a method of the dynamic measurement gripper. The dynamic measurement gripper comprises abody and a measurement system. The body comprises main beams, fixed auxiliary beams, a telescopic auxiliary beam, a first sliding rail telescopic mechanism, a second sliding rail telescopic mechanism,an air cylinder transverse telescopic mechanism, air cylinder longitudinal telescopic mechanisms and a suction cup structure. The measurement system comprises a transverse measurement mechanism and alongitudinal measurement mechanism. The structure of the gripper has the two-freedom-degree telescopic function in space, that is, telescopic action is achieved in the transverse direction and the longitudinal direction. Movement, in the transverse direction, of the telescopic auxiliary beam can be achieved through the air cylinder transverse telescopic mechanism, then a suction cup mechanism onthe telescopic auxiliary beam and suction cup mechanisms on other fixed auxiliary beams act together, and grabbing work of glass of larger dimensions is achieved; and in a similar way, glass of largerdimensions can be grabbed in the longitudinal direction through the action of the air cylinder longitudinal telescopic mechanisms.

The invention aims to provide a composite brake shoe with the ultralow friction coefficient. The composite brake shoe can replace a cast iron brake shoe. The composite brake shoe comprises a frictionbody and a steel back. The friction body sequentially comprises, by mass percentage, 4%-8% of butadiene rubber, 4%-10% of steel fibers, 1.5%-3% of acrylic fibers, 1.5%-3% of aramid fibers, 4%-8% of liquid butadiene rubber, 18%-25% of modified phenolic resin, 20%-30% of graphite, 2%-6% of mica powder, 2%-5% of barium sulfate, 0.5%-2% of aluminum oxide, 1%-3% of iron powder, 3%-6% of calcium carbonate, 1%-2% of vulcanization accelerators and 5%-15% of other filling materials. The composite brake shoe has the ultralow friction coefficient, can fulfill the braking function instead of the cast ironbrake shoe under the condition that a braking unit is not changed, and reduces the pollution, caused by chemical components in the wear debris, to the environment.