47results about How to "High holding strength" patented technology

Medium members such as thread are provided between woven fabric sheet such as warp knitting serving as the other sheet and base member, forming linear raised portions in the woven fabric sheet. The density of woven fabric sheet at the inclined portions to either side of these raised portions becomes coarse and the gaps between fine filaments on the woven fabric sheet spread, so that retaining heads of one sheet can easily enter and so that the fine filaments easily become hooked to the base portion of the retaining heads. Consequently, the retaining of the one sheet and the other sheet in strengthened, and the peeling strength is improved.

The invention discloses a hot-melt pressure-sensitive adhesive composition which is characterized by comprising the following components in percentage by weight: 20-30% of main body polymer, 30-40% of tackifier, 30-40% of plasticizer, 1-2% of antioxidant and 1-2% of light stabilizer. The invention also provides a preparation technique of the hot-melt pressure-sensitive adhesive composition. The hot-melt pressure-sensitive adhesive disclosed by the invention has the advantages of high cohesive force, favorable initial viscosity, high binding strength and high low-temperature flexibility, has favorable initial viscosity even in winter, can be used for binding solid materials, and especially has good effect for binding polyethylene materials.

A structure holds a display panel arranged inside a cabinet from the both sides by means of a holding member and a frame portion, which are supported by the circumferential surface section, so as to reduce thickness and frame width without using a bezel and to ensure rigidity. The cabinet is provided with a frame portion positioned on the display surface side of the display panel, a circumferential surface portion positioned at the periphery of the display panel, and a rear surface portion covering the other surface side of the display panel. A protruding section is arranged on the outer circumference side of the periphery of the display panel and the holding member to extend from the display surface side of the display panel toward the side opposite to the display surface, on an inner surface of the frame portion. A reinforcing section is arranged for connecting the inner circumference section of the protruding section with the inner surface section of a frame portion. The protruding section is provided with connecting sections, which are integrally formed with the inner surface of the frame portion, annularly arranged on the outer circumference of the display panel, and integrally formed at a plurality of positions on the protruding section in the circumference direction. The holding member has a section to be connected with the connecting section.

A merchandise support hook mountable to perforated boards through a backing plate having four tabs or ears for supporting the plate on the perforated board. The backing plate upper tabs have a vertical component greater in length than the diameter of the apertures within the perforated board. The lower tabs have a vertical component shorter in length than the diameter of the aperture within the perforated board. This results in minimal tilting of the combined hook and backing plate when inserting or removing the assembly from the perforated board. The hook and backing plate could be a one-piece structure or a two-piece structure where the hook is removably affixed to the backing plate.

The present invention is preparation process of composite polyacrylate emulsion for pressure sensitive adhesive, and relates to polyacrylate based adhesive. The composite emulsion in core-shell structure is prepared through compounding nanometer silica hydrosol and polyacrylate emulsion. Specifically, the preparation process includes the following steps: 1. preparing seed emulsion, of which the nanometer silica hydrosol is prepared through sodium silicate hydrolyzing process and has solid content of 42-45 %, particle size of 50-100nm and particle size dispersing index of 0.05-0.195; 2. pre-emulsifying of shell monomer; and 3. preparing nanometer silica polyacrylate composite emulsion. The composite polyacrylate emulsion coating is dried to obtain the pressure sensitive adhesive with high initial adhering performance and good long time adhering performance.

The invention discloses a manufacturing method for brazing a single-layer diamond grinding wheel with high-entropy alloy in an induction heating mode. The method comprises the following steps of preparing a diamond grinding wheel base body through a machining method; high-entropy alloy powder prepared by mixing Ni-Cr-B-Si, Cu, Ti, Sn and Mn serves as brazing filler for brazing the diamond grinding wheel; the grinding wheel base body, pressure-sensitive adhesives, the brazing filler and diamond grains are placed in sequence, and a tool molding blank is manufactured; and finally, the diamond grinding wheel is brazed in the induction heating mode.

The present invention provides a touch pen structure, especially to a touch pen structure which can be used for replacing fingers to operate a touch screen, which includes: a main body, at least a pen core, an electric conductive touch sleeve and an end cap. The electric conductive touch sleeve and the pen core are installed at the same end, thereby being enabled to be directly used for sliding and pressing on a touch panel and also writing on paper without turning the main body.

The invention discloses a long and narrow girder honeycomb core part machining method. The method comprises the steps that an ultrasonic machine tool is adopted, a honeycomb core blank is fixedly clamped to a vacuum platform, the upper profile of the part is subjected to rough machining and fine machining through a cutter disk, and the machined surface of the part is expanded to the boundary of the blank; and a wedge groove is formed in the edge of the outline of the upper profile by adopting a dagger through cutting, the part is turned over so that the lower profile of the part can be machined, and the outline of the honeycomb core part is obtained axially through cutting by adopting the dagger along the outline line of the part at a time with the nose of the dagger only exceeding the topof the wedge. According to the long and narrow girder honeycomb core part machining method, rough machining and fine machining are directly conducted on the upper profile and the lower profile of thepart, the machined surface of the part is expanded to the boundary of the blank, the turning positioning area is ensured, and the fixed clamping strength is improved; the wedge groove is formed in the upper profile of the part through cutting, part turning positioning is facilitated, machining interference is prevented, the fixed clamping risk is reduced, pulling up and overcut of the part are avoided, and the machining quality is ensured; and one-time cutting machining is conducted on the outline of the part through the ultrasonic dagger, the material removal rate is high, part deformation is low, and the part machining efficiency is improved.

A hair volumizing device is designed specifically for adding lift or volume to any hairstyle. The device comprises two arms with heated interlocking plates that employ interlocking two dimensional arrays of individual treatment elements with alternating spaces. The individual treatment element design and the two-dimensional array pattern provide substantial lift and holding strength. The individual treatment elements of the volumizing device transforms the under layer of hair of a person into a matrix that can support the outer or upper visible layer of hair to create volume. The various embodiments also minimize any discernible pattern left in the hair.

The invention discloses a self-propagating diamond carving grinding head which comprises the two parts of a working layer and a base body. The working layer comprises a bonding agent and a grinding material, the bonding agent is prepared from, by weight, 10-45 parts of Ti powder, 10-25 parts of Al powder, 5-10 parts of Ni powder, 15-60 parts of Cu powder, 2-5 parts of Sn powder and 0-10 parts of Co powder, and the grinding material is diamond, wherein the concentration of the grinding material ranges from 60% to 130%, and the particle size of the grinding material ranges from 25/30 to 230/270 mesh. The invention further discloses a manufacturing method of the self-propagating diamond carving grinding head. By means of the method, chemical bonding is formed between diamond and the metal bonding agent; meanwhile, densification of a carving grinding head blank is completed by means of a self-propagating reaction, and holding strength of the metal bonding agent to the diamond grinding material is improved.

The invention relates to an electroplated diamond wire saw. The electroplated diamond wire saw comprises a base line, an electroplated layer and diamond abrasive particles embedded in the electroplated layer, wherein the preparation of the diamond abrasive particles comprises the following steps that (1) diamond micropowder and alloy powder are uniformly mixed to obtain mixed powder; thermochemical corrosion is carried out on the mixed powder under vacuum or protective atmosphere at a chemical reaction temperature to obtain corroded diamond micropowder; the alloy powder contains metal elementswhich can react with C to form corresponding metal carbides at the chemical reaction temperature; and (2) the corroded diamond micropowder is treated with strong acid fluid. According to the electroplated diamond wire saw, through the design of the diamond abrasive particles, the holding strength of abrasive materials is improved; the particle size of the abrasive particles is increased to facilitate the sanding process and reduces the difficulty of the plating process; and the self-sharpening property of the diamond micropowder is improved, and the balance between the service life and cutting efficiency of the electroplated diamond wire saw is realized.

The invention relates to the technical field of brazing, in particular to Hf-containing multi-element boron-free nickel-based alloy brazing filler metal, and a preparation method and a brazing method of the Hf-containing multi-element boron-free nickel-based alloy brazing filler metal. The Hf-containing multi-element boron-free nickel-based alloy brazing filler metal comprises a NiCrSiCuSn alloy phase and a reinforcing phase Hf, the alloy brazing filler metal is prepared from the following components in percentage by mass: 51.0%-55.0% of Ni, 12.0%-15.0% of Cr, 3.0%-5.0% of Si, 16.0%-20.0% of Cu, 3.0%-5.0% of Sn and 0-4% of Hf, the alloy brazing filler metal is obtained through vacuum arc melting, a B element is removed, and the toughness of the brazing filler metal is greatly improved; and a small amount of Hf element is added, when the brazing temperature is not increased, the problems of thermal damage such as graphitization and hot cracks are solved, generation of brittle phases is reduced, the holding force of the brazing filler metal to diamond is improved, the strength and hardness of a connector are improved, and the mechanical property of the connector is guaranteed.

The invention discloses a twisting device of composite yarn for spinning. The twisting device comprises a portal frame, a polymerization pipe is fixedly arranged on a cross beam of the portal frame, apower unit is arranged below the cross beam of the portal frame, an output shaft of the power unit is arranged upwards, and a twisting disc is welded to the output shaft of the power unit; a plurality of yarn bobbin mounting units are arranged on the top surface of the twisting disc in the circumferential direction of the twisting disc, each yarn bobbin mounting unit comprises a threaded rod anda lower conical barrel which are fixedly arranged on the twisting disc, an upper conical barrel extends into an upper port of a yarn bobbin, the threaded section of each threaded rod is in threaded connection with a nut, and each nut abuts against the top of a corresponding cover plate; and a hairiness removing device A and a hairiness removing device B are arranged on a lower partition plate anda middle partition plate respectively, and a rubber block is fixedly arranged on the right end face of a movable plate. The device has the beneficial effects that the structure is compact, yarn bobbins with different heights can be installed, prepared plied yarn is prevented from loosening, hairiness can be efficiently removed, and operation is easy.

The invention relates to the technical field of super-hard abrasive tool manufacturing, in particular to Zr-containing multi-element nickel-based brazing filler metal, a preparation method and a brazing method thereof.The Zr-containing multi-element nickel-based brazing filler metal is prepared from, by mass, 10.0%-15.0% of Cr, 3.0%-5.0% of Si, 10.0%-20.0% of Cu, 3.0%-5.0% of Sn, 0-2.0% of Zr and the balance Ni, and alloy brazing filler metal is obtained through vacuum arc melting. Generation of brittle phases in the brazing filler metal is reduced, and the toughness of the brazing filler metal is improved; 2, a small amount of Zr element is added, so that the structure and crystal grains of the brazing filler metal are refined, and the size of an intermetallic compound is reduced; 3, a small amount of Zr element can reduce the melting point range and melting point of the brazing filler metal, the Zr modified brazing filler metal has a finer microstructure and enhanced second phase dispersion strengthening, 4, the Zr element can consume the Ni element in the brazing filler metal, erosion of the Ni element to the surface of the diamond is reduced, and graphitization of the diamond is inhibited.

The holding strength of a lamp holder pin held by a lamp holder body is improved. A linear tube LED lamp 1 comprises an elongated frame 20, an elongated LED module 10 configured in the frame 20, a power-supply lamp holder 30 which is arranged on one end of the frame 20 along the length direction and receives electric power supplied to the LED module 10, and a non-power-supply lamp holder 40 which is arranged on the other end of the frame 20 along the length direction. The non-power-supply lamp holder 40 comprises a lamp holder pin 41 and a cylindrical lamp holder body 42 arranged in an opening portion 42a and bottom 42b, and the lamp holder body 42 has a rib 43 arranged on the bottom 42b.

The invention discloses a pressing device of a section steel stack packing line. The pressing device comprises a main support, a swing arm assembly, a main shaft, a spring rod assembly, a small shaft and a guide plate. The main bracket is connected with the guide plate to form an outer frame; the swing arm assembly is connected with the main support through a main shaft. The spring rod assembly is connected with the guide plate through a small shaft. The spring rod assembly is connected with the swing arm assembly. The swing arm assembly comprises at least two sets of swing arm units, and each set of swing arm unit comprises a swing arm support, a rolling wheel, a connecting shaft and a rolling wheel shaft. The roller shaft penetrates through the left small arm and the right small arm of the upper arm of the swing arm support and the roller and is matched with inner holes of the left small arm, the right small arm and the roller; a connecting shaft penetrates through left and right small arms of the lower arm of the swing arm bracket and is matched with inner holes of the two small arms; the connecting shaft is connected with the spring rod assembly; the main shaft penetrates through an upper connecting hole of the main support and a middle hole of the swing arm support to be connected with the main support. According to the device, a packing line in a suspended position on a section steel stack can be compressed, so that dangerous accidents are avoided.