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14 results about "Wire mesh" patented technology

Screw thread welding integral narrow slit type coaxial pulse-tube refrigerator

InactiveCN101298947AImprove uniform distributionImprove the diversion effectCompression machinesGas cycle refrigeration machinesCopper wirePulse tube refrigerator
The invention discloses a thread weld integral slit type coxial vessle refrigerator, including a compressor, an air line, a fire end flange, a vessle, a cold accumulator, an upper cold head, a lower cold head, a cold end baffle, a copper wire, a first fire end diffuser, a second fire end diffuser, a cold accumulator core plug, a long neck tube and an air reservior, wherein the two ends of the upper cold head have a internal thread with one end welded with the threaded connection of the lower cold head and the other end welded with one end of the cold accumulator after the threaded connection; a round hole is arranged at the center of the upper cold head, and radial slot distributed uniformly are arranged round the round hole; a cold end baffle is arranged in the round hole, and the part of the outside of the cold end baffle is the cold accumulator cold end air applicator part, while the inner part of the cold end baffle is the stacked copper wire and a vessle extending section of the vessle cold end diffuser. The air in the cold accumulator and the vessle communicate with the slot of the upper cold head and the lower cold head by the welding way. The cold head of the invention has large heat exchange area, and the welding structure ensures the leak detection safety of the pressure gas the welding reliability.
Owner:SHANGHAI JIAOTONG UNIV

Method for temporary repair of the overbraid for metal overbraided wiring harnesses

A method for the repair of the overbraid for metal overbraided wiring harness is provided. The method requires no special wiring harness design, uses readily available materials and can be accomplished without removing the wiring harness. The method involves trimming around the damaged area, spreading the braid to expose a repair area, covering the repair area with a metal cover and then covering the repair area with wire screen mesh. Finally, the mesh is secured onto the wiring harness. Also provided is a metal overbraid wiring harness having been repaired with the method of the present invention.
Owner:HONEYWELL INT INC

Marine polyurethane spraying prefabricated thermal insulation balance weight pipe and preparation method thereof

InactiveCN105909883AEnsure consistencyAvoid your own flawsThermal insulationPipe protection by thermal insulationPolyolefinAdhesive
The invention relates to the technical field of marine polyurethane thermal insulation balance weight pipes, and discloses a hard polyurethane spraying prefabricated thermal insulation balance weight pipe with an anti-corrosion layer and a preparation method of the hard polyurethane spraying prefabricated thermal insulation balance weight pipe. The hard polyurethane spraying prefabricated thermal insulation balance weight pipe structurally comprises a steel pipe, the anti-corrosion layer, a polyurethane foam thermal insulation layer, an interface adhesive layer, a polyolefin protection layer, anti-skid particles, a concrete balance weight layer and a reinforcement steel wire mesh in sequence from inside to outside. A waterproof sealing rubber strip is bonded to the end of the anti-corrosion layer. The preparation method comprises the steps that the steel pipe coated with the anti-corrosion layer is conveyed to a polyurethane foam spraying line for spraying construction; the waterproof sealing rubber strip is bonded; an adhesive is wound, polyolefin is extruded, and the anti-skid particles are scattered; the pipe end of the polyolefin protection layer is finished after cooling; and weight balancing, finishing and maintaining of the thermal insulation pipe are carried out. The conditions of holes and uneven density cannot be generated, a pipe end waterproof cap does not need to be additionally mounted, and consistency of the pipe end and a main coating can be kept; and the shearing strength between the polyurethane foam thermal insulation layer and the polyolefin protection layer and the shearing strength between the polyolefin protection layer and the concrete balance weight layer are increased.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Multifunctional trimming machine used in garden

InactiveCN108811700AEvenly trimmedGood pruning effectMowersCuttersEngineeringWater irrigation
The invention discloses a multifunctional trimming machine used in a garden. The trimming machine includes a base seat; a water tank is arranged on one side of the upper part of the base seat, a waterinlet is arranged in the middle position of the top of the water tank, a water pump is arranged at the bottom of one side of the water tank, and a pipeline support is arranged on one side of the water tank and above the water pump; and a soft water pipe is installed at the water outlet of the water pump, and a first water pipe is installed on the top of the soft water pipe. According to the multifunctional trimming machine used in the garden disclosed by the invention, a first motor and a first steel wire mesh are arranged, so that a lawn is trimmed more uniformly; a second motor, a second steel wire mesh and an electric lifting rod are arranged, so that trees with different heights can be trimmed, and the trimming effect is better; the water tank and a shower head are arranged, so that the garden can be irrigated; a plurality of water pipes and sealing clamps are arranged, and heights of the water pipes can be adjusted, so that an irrigation range is wider; and therefore the use diversity of the trimming machine is increased.
Owner:杨勇
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