61results about How to "Does not affect firmness" patented technology

The invention discloses a vertical structure light emitting diode chip with low cost and a preparation method thereof. The structure of the chip comprises a base plate layer. An epitaxial layer growing on a substrate is transferred to the base plate layer. A barrier protection layer, a dilution protection layer and an adhesive layer are orderly arranged from top to bottom between the base plate layer and the epitaxial layer. An N electrode is on the epitaxial layer. By using the dilution protection layer and the barrier protection layer which are formed by the overlapping of many kinds of metal or alloy, a problem that low cost and low melting point metal which is taken as a bonding layer material has the problems of poor corrosion resistance ability, strong diffusion ability, easy destroying of the structure and photoelectric performance of the light emitting diode and the like is overcome, thus the dilution protection layer and the barrier protection layer can replace noble metal to be a hot pressing adhesive material, on one hand, the preparation cost of the vertical structure light emitting diode chip is greatly reduced, one the other hand, the hot pressing temperature and pressure are low, the residual stress of hot pressing is reduced, and the photoelectric performance and reliability of a device are raised. The vertical structure light emitting diode chip is mainly used in a semiconductor light emitting device.

The invention relates to the technical field of silverware manufacturing processes, in particular to filigree enamel silverware and a manufacturing method thereof. The manufacturing method for the silverware comprises the following steps in sequence: preparing a blank, whisking, filigreeing, welding, dispensing a blue pigment, and grinding the blue pigment; the step of dispensing the blue pigment comprises the following processes: filling a pattern which is formed by silver wires on the surface of a silver blank which is welded in the step (4) with glazes, then performing high-temperature sintering, namely, sintering a low-temperature glaze for 3 to 6 minutes at the temperature of 710 to 790 DEG C, sintering a high-temperature glaze for 2 to 5 minutes at the temperature of 780 to 830 DEG C, and repeating the processes of filling the glazes and sintering for 3 to 4 times. The filigree enamel silverware provided by the invention is attractive in appearance and colour, long in storage time and wide in spreading degree; colours are rich and are not single. The manufacturing method for the filigree enamel silverware provided by the invention is easy and quick to operate, and is suitable for industrial popularization.

The invention discloses a pair of leather shoes. Each leather shoe comprises a leather vamp and a sole, wherein the sole comprises an insole and an outsole; the leather vamp is inwards bent and is positioned between the insole and the outsole; the inward bending part of the leather vamp is bonded with the outsole. The leather shoes are characterized in that the inward bending part of each leather vamp comprises a cloth line and a leather line combined with the leather vamp into a whole, the bonding positions of the leather lines and the outsole are polished into a rough surface, and the leather lines and the cloth lines are connected and are jointly bonded with the outsoles. The invention also discloses equipment for polishing the leather lines of the leather shoes, and a leather shoe sewing method. The structure of the leather shoes and the sewing method are favorable for saving of leather materials, and meanwhile, the bonding firmness of the vamp and the outsole after the leather shoes are sewn is not affected.

The invention discloses a method for preparing light reflecting leather, and belongs to the technical field of leather. The method for preparing the light reflecting leather comprises the following steps that a leather base is put in a drum, after tempering, retanning velvet improving, neutralizing, pre-adding of ester, dyeing, ester adding, color fixing, product surface treatment and secondary treatment are sequentially treated, then the light reflecting leather is obtained, wherein secondary treatment comprises the following steps of secondary tempering, secondary adding of ester, secondarydyeing, secondary color fixing, drying and milling. The prepared light reflecting leather is high in velvet feeling and high in softness.

The invention relates to a supporting structure of a foundation pit. The supporting structure comprises a base plate, a supporting base, a supporting rod, a supporting frame, rectangular pipes and a protection plate. The supporting frame comprises a bracket and a second connecting block, the second connecting block is formed by bending a steel plate into a U shape. The whole bracket is formed by bending round steel to be of a U-shaped frame structure, the bracket comprises connecting portions and locating portions, the connecting portions are two pieces of straight round steel welded to the bottom of the second U-shaped connecting block in a spaced mode, the two pieces of straight round steel are parallel to the two side walls of the second U-shaped connecting block respectively, the two locating portions are U-shaped round steel, and the two open ends of the locating portions are fixedly connected with the same ends of the two pieces of straight round steel respectively. The two rectangular pipes are welded to one side of the protection plate in parallel in a spaced mode, the inner sides of the locating portions of the bracket are attached to the two rectangular pipes respectively, a pin penetrates through the bottom of the second connecting block and the protection plate, and a pin sheet is inserted into the end, close to the protection plate, of the pin to fix the bracket and the protection plate. The supporting structure is simple, mounting is convenient, and a large amount of manpower and a large number of material resources are saved.

A process for preparing the transgenic plant by ovary dripping includes such steps as pollination, germination of pullen particles, male nucleus coming in embryonary sac via pollen tube, cutting off style and 0-1.0 mm of ovary, and dripping exogenous DNA to direct transform reproductive cells or oospores.

The invention discloses a chip friction clutch. A center through hole of an extension part of the axial end wall in a cavity of a clutch outer cover is a step hole. A first step section of the step hole is a small-diameter section. The hole wall of the small-diameter section is sleeved on a hollow cylinder which extends axially on a driving disc so as to form a ring-shaped groove between the inner wall of a second step section of the step hole and the extension end of the hollow cylinder. The center through hole of the clutch outer cover is covered by an end cover which is formed by carrying out drawing punch forming on a steel plate. The extension end of an axial extension part of the outer peripheral wall of the end cover, which extends toward the cavity of the clutch outer cover, is ininterference fit in the ring-shaped groove. A radial extension part which extends radially outwards and turns back and is formed on the axial extension part of the outer peripheral wall of the end cover is clamped and fixed in a third step section of the step hole of the clutch outer cover so as to form labyrinth sealing surfaces with a plurality of turns on the junction surfaces between the end cover and the driving disc and between the end cover and the clutch outer cover, wherein the third step section is a big-diameter section. The clutch can prevent machine oil from being thrown out of the junction surfaces, and the production cost of the clutch can be reduced.

A semi-handstone is made up of ordinary handstone through cutting it into two halves, and features that it has a bottom plane and a convex arc surface. It can be used for spreading road or wall decoration. Its advantage is high adhesion to road or wall.

The invention discloses a snap joint type fully folded storage basket. The snap joint type fully folded storage basket comprises four panels: a left panel, a right panel, a front panel and a back panel, and a bottom plate. Adjacent panels can be rotatably connected; opposite sides of at least one pair of adjacent panels are separately and rotatably connected through a snap joint; the bottom plateis rotatably connected to the bottoms of the left panel, the right panel, the front panel or the back panel while supporting portions for supporting the bottom plate are arranged at the bottoms of theother three panels. According to the storage basket disclosed by the invention, the at least one pair of adjacent panels is separately connected in a snap-in connecting mode, so that the fastness, the foldability and the like of the structure are not affected, and the structure can be fully folded to form an area of one panel, and therefore, the occupied space is saved greatly.

The invention discloses a special anti-radiation noise reduction computer heat exchange case for an intelligent home. The special anti-radiation noise reduction computer heat exchange case comprises a case body, an opening-closing door, an air inlet pipeline, an air blower, a dust screen, an air outlet pipeline, a suction fan, a storage cavity, a drawer, a reel, a patch board, a base layer, a sound insulation layer, a division bar, light foam, a reinforced layer, a shielding layer and a noise reduction layer. The special anti-radiation noise reduction computer heat exchange case has the advantages of sound insulation effect and capabilities of improving comfort of workers near the case, decreasing injury to human bodies caused by radiation and solving the problem of automatic power off caused by low cooling rate and easiness in heat emission inside the case of an existing computer host.

The invention relates to a cast-in-place pipe gallery horizontal construction joint water stopping structure. The cast-in-place pipe gallery horizontal construction joint water stopping structure comprises multiple water stopping units which are sequentially arranged in the length direction of a pipe gallery; each water stopping unit comprises a galvanized water stopping steel plate, screw cushionblocks and steel bars; the upper end and the lower end of each galvanized water stopping steel plate are bent, therefore, a notch is formed in each galvanized water stopping steel plate, and each notch serving as an upstream face faces outwards; and each galvanized water stopping steel plate is provided with multiple groups of fixing frames in the length direction, each group of the fixing framescomprise three groups of the screw cushion blocks and the steel bars, the screw cushion blocks are fixed to the downstream faces of the galvanized water stopping steel plates, the first one is fixedto the upper-end bent portion of each galvanized water stopping steel plate, the second one is fixed to the middle of each galvanized water stopping steel plate, the third one is fixed to the lower-end bent portion of each galvanized water stopping steel plate, the steel bars are bent in a right angle shape, the ends of the horizontal sections are fixed to the screw cushion blocks, and the vertical sections are fixed to the inner wall steel bars of the cast-in-place pipe gallery. The invention further relates to a construction method of the cast-in-place pipe gallery horizontal construction joint water stopping structure. The cast-in-place pipe gallery horizontal construction joint water stopping structure is extremely high in fastness, cannot damage base metal, is easy to install and belongs to the technical field of building construction.