275results about How to "Appropriate strength" patented technology

The invention relates to a water-based primer-topcoat braking paint and a preparation method thereof. The braking paint comprises the following materials by weight percentage: 30-40 of water-based acrylic resin, 2-10 of amino resin, 1-3 of neutralizing agent, 2-5 of compound rustproofing pigment, 1-3 of tinting pigment, 10-20 of filling agent, 0.1-0.5 of defoaming agent, 0.1-0.5 of flatting agent and 25-40 of deionized water, wherein the water-based acrylic resin is a free radical polymerization resultant which comprises the following materials by weight percentage: 10-30 of monomer containing hydroxy acrylic acid, 5-20 of monomer containing carboxyl acrylic acid, 2-8 of internal crosslinking monomer, 20-40 of other acrylic acid monomer, 15-30 of phenyl ethylene monomer, 1-5 of evocating agent and 40-50 of alcohol ether latent solvent. When the paint is prepared, the dispersion and the abrading condition of the pigments and the filling agents are reasonably controlled to ensure that each component of the paint fully plays the respective function. The paint ensures the corrosion prevention effect and the decoration of a coating and realizes the combination of a primer and a topcoat.

A golf club head of the invention includes a head body formed by a hollow member, and a face member for forming a face. The face in which a thick-walled portion and a thin-walled portion are formed by forging a metal plate subjected to rolling.

A through electrode extends through a silicon substrate from the upper surface to the lower surface of the substrate to accomplish electrical conduction between the upper and lower surfaces of the substrate. The through electrode includes a plurality of slender through holes formed in a through electrode forming area of the silicon substrate. The slender through holes extend through the silicon substrate from the upper surface to the lower surface of the silicon substrate. The through electrode also includes a plurality of conductive bodies fitted in the slender through holes. The conductive bodies are electrically connected with each other.

A biological adhesive formulation comprising dextrin, at least one adhesiveness modifier agent, and at least one antibiotic is suitable for promoting healing of tissue in a patient, for example, to prevent anastomosis of a surgical wound in the digestive system of a patient, and for affixing a prosthesis during a hernia operation.

To provide a method for manufacturing an interdental cleaning tool that can prevent deformation of a core base at molding of a cleaning flexible part using an elastomer material, thereby effectively preventing occurrence of molding failure of the cleaning flexible part.

The method in the present invention includes: a base part molding step of providing first metal molds 30 and 31 for molding base parts with a plurality of first molding spaces 32 aligned in parallel and including core base molding sections 32a and handle base molding sections 32b, providing the first metal molds 30 and 31 with connection part molding sections 35 to communicate with the adjacent handle base molding sections 32b, and supplying a synthetic resin material with a fiber material at a time to the plurality of first molding spaces 32 from gates 34 to form a plurality of base parts at a time; and a flexible part molding step of setting the core bases of the base parts into second metal molds, holding the core bases at two or more longitudinal portions by a plurality of pairs of hold pins in the second metal molds, each pair including two pins, and charging an elastomer material into the cleaning flexible part molding spaces.

The invention discloses fast rush-repair mortar for a ballastless track filling layer and a preparation method and an application thereof. The fast rush-repair mortar comprises the following components in parts by mass: 0.95-0.99 part of cement, 0.01-0.05 part of cement expansion admixture, 0.001-0.0025 part of fiber, 0.35-1.4 parts of macromolecular emulsion, 1.5-2 parts of sand, 0.001-0.005 part of thickening time control agent, 0.0004-0.01 part of antifoaming agent, 0.0001-0.003 part of gas forming agent, 0-0.01 part of air entraining agent, 0-0.02 part of water reducing agent, 0-0.001 part of rheology modifier and 0-0.3 part of water, wherein the cement and the cement expansion admixture account for 1 part in total. The rush-repair mortar disclosed by the invention has the advantages of fast setting and early strength and excellent thermal adaptability and application property, and guarantees recovery of railway operation in a skylight period of 4 hours in a severe cold area.

The invention discloses molded normal temperature curing urethane resin composition and a preparation method thereof. The compound comprises A type substance and B type substance which are packed independently, wherein the A type substance comprises prepolymer prepared by polymer polylol and isocyanate, carbon soot, filling, ultraviolet light absorbing agent, chemical inhibitor, wetting agent, deicer, foam suppressor, coupling agent and plasticizer; the B type substance is chain extendor; and the ratio of the quantity of active functional group substance of the B type substance to the quantity of active functional group substance of the A type substance is 0.8-1.0. The preparation method comprises the following steps: preparing and cooling the prepolymer capped by the isocyanate for reservation; preparing the A type substance; directly packing the chain extendor or packing the chain extendor after being diluted to be used as the B type substance; evenly mixing the measured A and B types of substances and maintaining the mixture under normal temperature to obtain the molded normal temperature curing urethane resin composition. The molded normal temperature curing urethane resin composition has good constructional processing property and is easy and convenient to prepare.

A gear unit for the drive of a rotating tube is provided with a drive shaft and a power distributing gear unit stage that is configured as a helical gear unit with an intermediate shaft having mounted thereon two helical pinions. A load-summing gear unit stage with a take-off shaft is operated downstream of the gear unit stage. In this connection, the take-off shaft is on the central axis of the driven rotating tube. The load-summing gear unit stage is comprised of two parallel operated planetary gear units each having a sun gear, planetary gears each disposed on a respective planetary axle, a hollow gear and a common planet carrier that is configured as a single piece and connected with the take-off shaft. The planetary axles of both planetary gear units in the common planet carrier are spaced from one another and offset from one another. The intermediate shaft of the helical gear unit and the planetary gear units are supported in floating bearing arrangement, whereby the helical gear unit and the planetary gear units form a symmetrical planetary gear unit combination.

The sheet manufacturing apparatus in the present invention includes a defibration unit configured to cause a rotating unit to rotate and dry-defibrating a defibration object, and at least a part of defibrated material that has been dry-defibrated is deposited and heated to manufacture a sheet. A plurality of rotating plates provided with a base section located on a central rotation axis side and a plurality of protruding sections that protrude out in a direction drawing away from the central rotation axis are stacked in the rotating unit such that the protruding sections are in contact in a direction in which the central rotation axis extends.

Disclosed are a cerium oxide abrasive for selectively polishing various SiO₂ films and SiO₂—Si₃N₄ films; and a slurry containing the same. The cerium oxide abrasive and the polishing slurry of the present invention have a high polishing rate and are also free from microscratches in a polished surface upon polishing since polycrystalline cerium oxide having a mean crystalline particle size of 5 nm or less is synthesized by using hexagonal cerium carbonate having a hexagonal crystal structure as a raw material of cerium.

The invention relates to a three-dimensional frame structure or support structure (9) for transporting and/or storing at least one object, which has a multitude of support elements (1-6, 10), which are or can be joined to one another and extend at least along the outer edges of the frame structure or support structure (9) while defining it. The invention provides that each support element (1-6, 10) is made of a multilayered composite of tightly packed sheets or boards (12) made of a corrugated paper or cardboard material, particularly corrugated board. The invention also relates to a method for easily and rapidly producing a three-dimensional frame structure or support structure of the aforementioned type.

An airbag apparatus includes a back-side cover provided at a roof side rail which is provided on a side of a roof of a vehicle and extends in a front-back direction of the vehicle, wherein the back-side cover is arranged on a side of the roof side rail, which faces an interior of the vehicle; an interior-side cover for covering a side of the back-side cover, which faces the interior; and an airbag contained in a case formed by the back-side cover and the interior-side cover. An easily-bending portion is formed in the middle of the back-side cover along vertical directions thereof, and the easily-bending portion bends when receiving a pushing pressure from the airbag which is deploying, and the airbag deploys toward the interior through a space between the back-side cover and the interior-side cover which open in accordance with the bending of the easily-bending portion.

A filled friction ring of teflon for oiless lubricating is prepared from teglon (100 wt. portions), graphite (1-10%), carbon black (20-50%), glass fibre (0-30%) and MoS2 (0-5%) through mixing, die pressing under 40-70 MPa for 5-40 min, sintering and machining. Its advantages are high lubricating performance and long service life.

Compositions and methods are provided for the manufacture and use of hydrogels with increased permeability to macromolecules with minimum loss of matrix mechanical strength and prepolymer viscosity for patternability. The hydrogels of the invention are formed from a prepolymer, which is polymerized in the presence of hydrophobic nanoparticles. In some embodiments of the invention cells are present during polymerization, and are encapsulated by the hydrogel. A high interfacial energy between the hydrophobic substrate and the aqueous polymerizing solution disrupts the hydrogel network structure, leading to network defects that increase permeability without loss of patternability.

The invention discloses a preparation method of a high-stability platinum complex catalyst and an application thereof. The catalyst comprises a high-stability platinum complex catalyst and a temperature-sensitive compound coated microcapsule platinum catalyst, the high-stability platinum complex catalyst takes a platinum complex formed by taking a siloxane compound containing unsaturated groups asa ligand as a core and an active component, or takes an organic compound containing N and P as a modification auxiliary agent; the temperature-sensitive compound coated microcapsule platinum catalysttakes the high-stability platinum complex with unsaturated group coordination or a common Karstedt catalyst as a basic core; the temperature-sensitive compound is used as a coating layer to form thecore-shell microsphere with hydrosilylation catalytic activity, the platinum catalyst and the inhibitor are less in use amount and long in normal-temperature storage time, intense catalytic dehydrogenation of hydrogen-containing silicone oil is not easy to cause, and the transportation and use safety is high.

A measuring system for determining the position of two machine components that are movable in relation to each other, having a measuring graduation extending in a measuring direction, a support body supporting the measuring graduation, a scanning device scanning the measuring graduation, a mounting base for fastening the scanning device on one of the components, and a securing device for fixing the mounting bas in place in a prescribed position with respect to the support body. The securing device includes a base body that is supported on at least two areas of the support body that are spaced apart from each other with respect to the measuring direction and a guide element. A guide track is provided in the support body, wherein the guide element interlockingly engages the guide element and in which the guide element can be clamped in place in that the guide element is displaced in relation to the base body by a connecting element.

A sealed connector system and components thereof is disclosed. The sealed connector system has a sealed cable assembly and a printed circuit board header assembly. The sealed cable assembly has a cable housing and a cable terminated thereto. A cover, as described above, is overmolded over a portion of the cable housing and a portion of the cable. The cover is one continuous member that acts as a seal to prevent contaminants from entering the cable housing. A printed circuit board header assembly is mated to the cable housing. The header assembly has recesses provided proximate a circuit board mounting surface, with the recesses being configured to provide additional space on a circuit board on which the header assembly is mounted. Legs or ribs may be provided proximate the ends of the circuit board contact area. The ribs provide stability to the printed circuit board connector and prevent the printed circuit board connector from being rotated relative to the printed circuit board. The sealed connector system may be provided with a cable housing ground shield proximate the header mating end of the cable housing and a header assembly ground shield may be provided in a cable housing receiving opening of the header assembly, whereby the cable housing ground shield and the header assembly ground shield are placed in electrical engagement with each other.

A monolithic dome shaped building of a size suitable to receive at least one relatively large vehicle, such as an airplane, is formed with a generally rectangular shaped access opening of sufficient size to enable passage of an airplane or other large vehicle into and out of the building. A three-dimensional unitary door is supported at an upper marginal edge on a guide track for lateral movement of the door between a first position closing the access opening and a second open position enabling passage through the access opening. The door includes a rigid frame structure having spaced upstanding frame members having outer convex surfaces similar to the convex contour of the dome wall adjacent the access opening. An outer metallic sheet or skin may be secured to the outer convex surfaces of the upstanding frame members to create a lightweight door, or a mesh reinforced built-up layer of cementitious material may be formed on the door frame to create a high strength door construction similar in cross-section to the cross-sectional makeup of the dome shaped building.