151results about How to "Will not cause shedding" patented technology

The invention discloses a mortar, which comprises the following parts: 250-350 parts of low-alkaline special typed cement, 0-250 parts of common silicate cement, 0-200 parts of calcium sulfate, 300-2400 parts of filler or aggregate, 2-20 parts of cellulose, 10-400 parts of redispersion polymer gel powder or 10-400 parts of polymer emulsion, 2-20 parts of fiber, 0.5-10 parts of retarder and 3-25 parts of instant coagulant. The low-alkaline cement contains the following clinker with 15%-35% C4A3S, 15%-35% C2S, 0%-35% C3S, 4%-15% CaSO4, 0%-15% C4AF and 0%-5% C3A . The mortar with low-alkaline cement and water can be preserved for 1-7d, whose pH value is 8-9.5.

The invention relates to a coiled laminate square lithium-ion battery cell and a preparation method thereof. The coiled laminate square lithium-ion battery cell comprises a platelike coiling needle (3), wherein the coiling needle (3) is coiled with strip-shaped pole pieces; the pole piece comprises a strip-shaped basal layer the surface of which is coated with an electrode material; the pole piece is provided with a coating area for the electrode material and an isolation area (11) used for disconnecting the coating areas; the isolation area (11) is positioned on the pole piece coiled on the two side edges of the coiling needle (3); and the range of the isolation area (11) comprises the whole pole piece coiled on the two side edges of the coiling needle (3). The pole pieces at the corner pieces of the two end side surfaces (the two side edges of the coiling needle) of the coiled laminate square lithium-ion battery cell are easy to yield, thus preventing the electrode material on the pole piece from dropping off or generating cracks.

The invention discloses a manufacturing method of invisible tooth correcting treatment devices. According to the method, firstly, an original odonto-maxillary three-dimensional model of a patient is built through a correcting treatment objective and an original odonto-maxillary three-dimensional model; secondly, correcting treatment odonto-maxillary models in different stages of the correcting treatment process are built; then, corresponding three-dimensional printing models are built; corresponding invisible tooth correcting treatment devices are respectively printed out by medial polyethylene according to the three-dimensional printing models; and finally, the invisible tooth correcting treatment devices are polished and ground and are delivered to the patient to be used. By using the method, the invisible tooth correcting treatment devices are directly manufactured without using a solid body objective model, so that the consumption of a great number of light-cured resin materials is avoided; and the problems of high cost and complicated production process of the invisible tooth correcting treatment devices are solved.

The invention provides a photoresist, a quantum dot layer patterning method, a quantum light-emitting diode (QLED), a quantum dot color film and a display device, which belongs to the technical field of display and can be used for solving the problem of quantum dot damage by the traditional patterning method. The quantum dot layer patterning method comprises the following steps of: forming a photoresist material layer on a substrate; carrying out pattern composition on the photoresist; carrying out hydrophilic treatment on the photoresist; coating quantum dots; removing the quantum dots on the residual photoresist; and stripping the photoresist. By the quantum dot layer patterning method, the hydrophilic performance of the photoresist can be improved, and the adhesive force of the quantum dots with lipophilicity onto the photoresist is reduced. During stripping the photoresist, the quantum dots at the target position of the substrate cannot fall off. The quantum dot layer patterning method is suitable for a light-emitting diode displayer containing the quantum dot layer, the quantum dot color film and the display device applying the quantum dot color film.

The invention discloses an ascending and descending mechanism of a 3D printer and an ascending and descending method thereof. The ascending and descending mechanism of the 3D printer comprises a support seat, wherein a high-elasticity rubber buffer pad is fixedly connected to the middle of the upper surface of the support seat; a support plate is also fixedly connected to the upper surface of thehigh-elasticity rubber buffer pad; vibration reduction springs are fixedly connected between the support plate and the support seat; the upper surface of the support plate is fixedly connected to a printing cabin; a fixing plate is fixedly connected to the lower surface of the inside of the printing cabin; the two ends of the fixing plate are fixedly connected with a rotating seat; a lead screw isrotationally connected onto the rotating seat; a motor is fixedly connected to a position, corresponding to the lead screw, of one side of the printing cabin; the output end of the motor is fixedly connected with the lead screw; a printing platform is glidingly connected inside the support seat; the lower surface of the printing platform is fixedly connected with a slide plate; a first slide block is glidingly connected inside the slide plate; and two sliding seats are rotationally connected onto the lead screw. The ascending and descending mechanism has the advantages that the use is convenient; the structure is simple; the ascending and descending movement is stable; the printing effect is not influenced; meanwhile, a spray head can be conveniently dismounted and repaired; and the vibration reduction effect is good.

The invention belongs to the field of functional polymer membrane preparation, and in particular relates to a polyethylene micropore diaphragm which is used for improving the use security of a lithium ion battery and contains an organic/inorganic composite cross-linking coating, and a preparation method of the polyethylene micropore diaphragm. The preparation method comprises the following steps: by taking aromatic polyester polyhydric alcohol and aromatic isocyanate as basic components, preparing a coating liquid by combing with a cross-linking agent, a foaming agent, a catalyst and inorganic nano packing at a certain ratio, coating at least one surface of the polyethylene micropore diaphragm with the coating liquid, and curing at certain temperature, thereby forming an organic polymer/inorganic nanoparticle composite cross-linking coating of a pored foamed structure on the surface of the polyethylene micropore diaphragm. Relatively high porosity and air permeability of the polyethylene micropore diaphragm are maintained, at the same time the thermal shrinkage membrane breaking temperature is greatly improved, and the use security property of the battery can be remarkably improved when the polyethylene micropore diaphragm is used as a power lithium ion battery diaphragm material.

The invention relates to the technical field of aluminum profiles and provides a preparation method of an aluminum alloy extrusion material for a metro rigid suspension busbar. Mass fractions of all elements in the aluminum alloy extrusion material are 0.65-0.8% of Mg, 0.6-0.75% of Si, 0.1-0.15% of Zn, 0.02-0.04% of Fe, 0.06-0.08% of Cu, 0.04-0.06% of Mn, 0.01-0.03% of Cr, 0.01-0.03% of Zr, 0.02-0.04% of La, 0.01-0.03% of Sc, 0.015-0.025% of Y and the balance of Al. The preparation method comprises the steps of casting, extrusion, quenching, aging treatment, anodic oxidation, electrophoresis treatment and spraying of an anticorrosion coating. The prepared aluminum alloy extrusion material has excellent tensile strength and yield strength as well as good corrosion resistance, and the requirement of the metro rigid suspension busbar on the aluminum alloy extrusion material can be met.

The invention discloses a building thermal insulation outer wall. The building thermal insulation outer wall comprises a basic layer wallboard and a wire placement groove. An interface mortar layer isconnected with the right side of the basic layer wallboard. A thermal insulation board comprises a bonding layer and an expanded polystyrene board. The right side of the thermal insulation board is connected with an anti-crack protective plate. The anti-crack protective plate comprises anti-crack adhesive cement, a hot-dip galvanized steel wire mesh and anti-crack mortar. The hot-dip galvanized steel wire mesh is connected with the left side of the anti-crack adhesive cement, and the anti-crack mortar is connected with the left side of the hot-dip galvanized steel wire mesh. A flexible puttylayer is laid on the surface of the right side of the anti-crack protective plate. An interior trim surface layer is laid on the surface of the left side of the basic layer wallboard, and connecting pieces are installed inside the basic layer wallboard. According to the building thermal insulation outer wall, the stability of the connection between interior structures is high, installation and construction of wall bodies are facilitated, the stability of the connection between the wall bodies is conveniently guaranteed, laying operation of wires inside the wall bodies is facilitated, the phenomenon that the wires fall off cannot happen, and the attractiveness of the interiors of the wall bodies is enhanced.

An apparatus (10) for holding optical lenses (20) provided herein generally includes a holding member (100) and a cover member (200) coupling with the holding member. The holding member comprises a plurality of first through holes (110). Each of the plurality of the first through holes comprises a first portion (101) for receiving an optical lens (20) therein and a second portion (102) communicating with the first portion. A minimum breadth of the first portion is greater than a minimum breadth of the second portion. The cover member comprises a plurality of second through holes (201) corresponding to the first through holes of the holding member. The second through holes communicate with their corresponding first portions of the first through holes. A breadth of the second through holes is less than that of the first portions of the first through holes of the holding member.

The invention discloses a construction method for combination of water swelling sealing rod and water swelling glue, which relates to the technological field of waterproof construction. In the construction method for combination of water swelling sealing rod and glue, the water swelling sealing rod is used as a main water stopping material and the water swelling glue is used as a bonding and fixing material as well as an auxiliary water stopping material on a lap joint. At the same time, the combination of water swelling rod and water swelling glue is applied to the construction of the waterproof part in a building. The construction method for combination of swelling sealing rod and water swelling glue can be extensively applied to concrete construction joints, late poured bands, wall pipes, pile crowns in underground projects and other joints which is suitable for the waterproof method. The construction method for combination of water swelling sealing rod and water swelling glue has much more polarization and application value. Besides, the economic and social benefits of the construction method for combination of water swelling rod and water swelling glue are extremely notable.

The invention provides a single-opening infusion bag which comprises a combination cover, an interface pipe and a bag, wherein the combination cover consists of a drug outlet mouth and a plugging cover; particularly, the upper section of the drug outlet mount is internally provided with a tapered hole matched with a tapered nipple of an infusion apparatus and externally provided with a thread; the annular wall of the plugging cover is internally provided with an inner thread matched with the thread outside the upper section of the drug outlet mouth; the center of a top plate of the plugging cover is provided with a plugging piece matched with the tapered hole in the upper section of the drug outlet mouth; and after the plugging cover is screwed on the drug outlet mouth to seal the drug outlet mouth, a sealing ring which can be torn off is used for sealing a gap between the plugging cover and the drug outlet mouth. The packaging structure of the infusion bag cannot loosen in conveying and transportation processes to cause the leakage and the pollution of liquid medicine. The infusion bag is used together with a matched infusion apparatus provided with the invention and can avoid plug scrap dropping and nurse accidental injuries which are caused by using a bottle inserting needle or an infusion apparatus puncturing combination cover in the process of an infusion operation.

The present invention discloses a fume-free pan for stir-frying food and its making method. It includes pan body formed from internal pan body and external pan body and pan handle. The bottom portions of the internal pan body and external pan body have flat bottom portions which are combined together, and between two pan bodies a hollow sandwich layer is formed, and the surface of the internal pan body is coated with base enamel with several microsmall projections on which an inadhesive layer is formed, and the surface of the external pan body is covered with enamel layer. Its making method includes the procedures of forming, pickling, glazing, sand-blasting, spray-coating and packaging.

The invention relates to a double-ring self-locking type feeder clamp. The double-ring self-locking type feeder clamp is characterized by comprising a screw, a C-shaped fixture and a plurality of self-locking double-ring plastic clamps, wherein one end of the screw is connected with the C-shaped fixture, the other end of the screw is sleeved with the self-locking double-ring plastic clamps which are clamped through locking nuts, the center of the buckling side face of a plastic clamp body of each self-locking double-ring plastic clamp is provided with a smooth through hole which is matched with the screw in outer diameter, semicircular through grooves are arranged on the two sides of each through hole, one end of each plastic clamp body is provided with a claw, the other end of each plastic clamp body is provided with a C-shaped locking piece, and the non-buckling side face of each plastic clamp body is provided with structure reinforcing ribs. The double-ring self-locking type feeder clamp has the advantages that the phenomenon that an operator needs to lock the locking nuts when the operator clamps the plastic clamp bodies is not needed, and installation is convenient and rapid; in addition, due to the fact that each self-locking double-ring plastic clamp is provided with a self-locking structure to clamp a feeder, after the locking nuts are loose, the feeder can still be well fixed to the self-locking double-ring plastic clamps, and disengagement is avoided.

The invention discloses an energy-saving and heat-preservation wall for a building. The wall comprises a load bearing wall body, a waterproof plate is fixedly connected to the right side of the load bearing wall body, a sponge heat-preservation plate is fixedly connected to the right side of the waterproof plate, a fireproof plate is fixedly connected to the right side of the sponge heat-preservation plate, and an energy-saving and heat-preservation plate is fixedly connected to the right side of the fireproof plate; embedded rods are symmetrically arranged in the load bearing wall body, the right end of each embedded rod sequentially penetrates through the load bearing wall body, the waterproof plate, the sponge heat-preservation plate, the fireproof plate and the energy-saving and heat-preservation plate from left to right and extends to the outside of the energy-saving and heat-preservation plate, and the portion, located outside the energy-saving and heat-preservation plate, of thesurface of each embedded rod is in threaded connection with a fastening buckle. The wall is simple in structure, low in cost and good in impact resistance; it is ensured that after the wall is subjected to large impact force, the heat-preservation plates cannot be broken or shed; moreover, it is ensured that the body of people who the impact force is applied to cannot be injured, and the household or office use needs can be completely met.

The invention discloses a heat treatment device for precision forging. The heat treatment device comprises a base, a machining table, a quenching barrel, a translation assembly, a lifting assembly and a clamping assembly, the translation assembly is welded to the top of the base, the lifting assembly is fixedly installed at the bottom of the translation assembly, and the clamping assembly is fixedly installed at the bottom of the lifting assembly; and the machining table and the quenching barrel are welded to the two sides of the top of the base correspondingly, the machining table and the quenching barrel are located on the inner side of the translation assembly, and the translation assembly comprises two stand columns, a cross beam and a sliding sleeve. According to the scheme, through mutual cooperation of the translation assembly, the lifting assembly and the clamping assembly, a workpiece placed on the top of the machining table can be transferred to the inner cavity of the quenching barrel for quenching, the workpiece is transferred to the top of a table plate after quenching, the workpiece does not need to be manually clamped for quenching, and the safety during quenching is greatly improved.

The invention relates to a washing fixture used for washing optical member, which comprises a lid and a main body. A plurality of first through holes are opened on the lid, which takes honeycomb shape array and are distributed on the lid. A plurality of second through holes which corresponds with the first through holes are opened on the main body, which takes honeycomb shape array and are distributed on the lid, each second through hole is provided with a first opening and a second opening, when the lid is coordinated with the main body, the first opening is more closer to the lid than the second opening, when the lid and the main body are washed together, a plurality of containing spaces which is used for collecting optical member are formed on the fixture. The containing space limits the optical member, to prevent the optical member fall off from the second openings of the first through hole and the second hole. The washing fixture, the honeycomb array way of the through holes can reach the large quantity of the through holes in the same fixture area, therefore increase the quantity of the collecting optical member for washing.

The invention relates to a hot winding solid corrugated pipe, and a sectional material and manufacturing method thereof. The sectional material of the hot winding solid corrugated pipe comprises a first sectional material and a second sectional material; the first sectional material comprises a supporting rib and a first hot coating layer; the first sectional material comprises a connecting strip,a first half wave crest strip and a second half wave crest strip; the second sectional material comprises a buckle plate and a second hot coating layer; a buckling groove is formed in the middle partof the second sectional material; and the shape and size of the buckling groove are matched with the shape and size of the outer wall of a small wave crest structure formed by splicing the first halfwave crest strip and the second half wave crest strip. The sectional material adopts the first sectional material and the second sectional material which are solid wall structures, and the sectionalmaterial can facilitate the cooling forming of a pipe, the production speed of the pipe is increased and the welding quality of the pipe can be improved. The solid corrugated pipe is of a solid wall structure, and is high in ring stiffness, good in impact resistance and destruction resistance, and excellent in ring flexibility. The manufacturing method of the corrugated pipe adopts hot winding tocompound all units together, the welding strength is high and the residual stress problem basically does not exist.