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89results about How to "Manufacturing Method Improvements" patented technology

Transport system and producing method of sub-vacuum duct

The invention discloses a transport system and a producing method of a sub-vacuum duct in a rail transport system. The transport system of the sub-vacuum duct comprises the sub-vacuum duct and a closed train, wherein the sub-vacuum duct comprises a downslope section of inlet normal atmosphere, a closed section of inlet liquid, a sub-vacuum section, a closed section of outlet liquid and an upslope section of outlet normal atmosphere, the cross section of the duct is in an elliptical shape, silencing materials, force-bearing components, a vent valve, a drain valve, and the like are installed on the duct, the train is an amphibious train, and the body of the train is made of warer-proof materials. The producing method of the sub-vacuum duct comprises the following steps: A. producing the body of the duct; B. installing the vent valve and the drain valve; and C. generating sub-vacuum: producing the duct into a sub-vacuum duct by a method for generating sub-vacuum by pumping liquid. The invention solves the problems of high manufacturing cost of sub-vacuum ducts, inconvenience for passengers to get on and get off the train when the train passes through the sub-vacuum duct and influence on the vacuum state of the duct. Meanwhile, the invention has the advantages of high efficiency, low energy consumption, simple equipment, and the like.
Owner:谢建新

Making method for dual lead device clamp

The present invention discloses a method for manufacturing a double-conductor equipment cable clamp, in the method for manufacturing the double-conductor equipment cable clamp two aluminum pipes are combined to an equipment pipe clamp through the procedures of pipe bending, smithing, soldering, hole drilling and the like, wherein, in the cable bending actualizing procedure: the tail of the aluminum pipe is processed and bent; in the smithing actualizing procedure: the bent aluminum pipe tail is executed with processing and smithing, and the tail of the aluminum pipe can form a block part which is matched comparatively and is to be soldered; in the soldering actualizing procedure: the parts of two aluminum pipes to be soldered is executed with relative soldering combination to compose an intermediate lock plate; in the hole drilling actualizing procedure: the intermediate lock plate is perforated to compose plural holes; after the actualizing procedures of pipe bending, smithing, soldering, hole drilling and the like a pair of double-conductor equipment cable clamp can be quickly and easily manufactured to provide the connecting and combination of the cable yarn. Through the manufacturing method of the invention the equipment cable clamp can be facilitated to possess the advantages of excellent quality, good structure strength, simple production, saving manufacturing cost and the like.
Owner:高裕彬

Optical fiber composite insulator prefabricated core rod, mold and manufacturing method of optical fiber composite insulator prefabricated core rod

ActiveCN111029054AAvoid air gapStandardized manufacturing methodInsulatorsComposite insulatorsBonding process
The invention discloses an optical fiber composite insulator prefabricated core rod, a mold and a manufacturing method of the optical fiber composite insulator prefabricated core rod. The optical fiber composite insulator prefabricated core rod comprises a core rod body, a silicone rubber layer and at least one optical fiber. The silicone rubber layer is integrally formed on the outer cylindricalsurface of the core rod body in an injection molding mode, and the silicone rubber layer is annular; at least one optical fiber is arranged outside the core rod body, the middle of the optical fiber is embedded in the silicone rubber layer, and one end or two ends of the optical fiber extends/extend out of the rubber layer. The optical fiber and the core rod body are fixed through vacuum injectionmolding of silicone rubber to form a silicone rubber outer coating layer, air gaps are prevented from being generated on the interfaces of the optical fiber, the silicone rubber layer and the core rod, and the problem that the performance and the service life of the optical fiber composite insulator are seriously affected due to bubble defects generated in the optical fiber bonding process duringmanual manufacturing of the optical fiber composite insulator can be overcome.
Owner:SOUTH CHINA UNIV OF TECH

Straight-brace inflatable mattress and manufacture method thereof

InactiveCN106073292AReduce weightGood twistFluid mattressesEngineering
The present invention discloses a straight-brace inflatable mattress, characterized in that each straight brace is provided with a plurality of through holes. The inflatable mattress is light in weight, stable in form and good in comfort. The invention also discloses a method of manufacturing the straight-brace inflatable mattress, including: A: manufacturing upper sheeting, lower sheeting, the straight braces and an enclosure; B: punching the straight braces to obtain through holes; C: spreading the lower sheeting on a machine; D: attaching the straight braces to a straight brace die so that the lower ends of the straight braces is abutted to the lower sheeting; E: spreading the upper sheeting on the straight brace die so that the upper sheeting is abutted to the upper ends of the straight braces; F: fusing the upper sheeting and the lower sheeting respectively with the straight braces; G: removing the straight brace die and the fused upper sheeting, straight braces and lower sheeting; H: sleeving an enclosure die with the enclosure, and spreading the upper sheeting and lower sheeting of step G respectively on upper and lower surfaces of the enclosure die; I: fusing the upper sheeting and the lower sheeting with the enclosure; J: cutting off surplus edges; K: obtaining the finished product. The process is simple and low in cost.
Owner:刘炜舜

Three-dimensional integrated intelligent power module and manufacturing method thereof

The invention discloses a three-dimensional integrated intelligent power module and a manufacturing method thereof. The three-dimensional integrated intelligent power module comprises a power switch circuit, a drive circuit, a master control circuit and a state monitoring and protecting circuit and is characterized in that the master control circuit and the state monitoring and protecting circuitare connected with the power switch circuit and the drive circuit thereof, the master control circuit is assembled to an upper substrate, the state monitoring and protecting circuit is assembled to alower substrate, the upper substrate and the lower substrate are connected with each other by through guide holes to form a three-dimensional intelligent control unit, and the power switch circuit andthe drive circuit thereof are welded to a high-heat-conductivity substrate and connected with the intelligent control unit through lead welding. The intelligent power module has the advantages that the intelligent power module integrates the power switch circuit and the drive circuit thereof, the master control circuit and the state monitoring and protecting circuit; by using the three-dimensional integration form, module power density can be increased, device size can be reduced, the length of the lead between power semiconductor device pins is shortened, parasitic parameters and noise peakvoltage are lowered, and the application reliability of power devices is increased.
Owner:郑州兴航科技有限公司
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