447results about How to "Easy injection molding" patented technology

A ceiling fan including a motor having a rotatable rotor, a plurality of ceiling fans blades having a thickness, the blades connected to the rotor to rotate therewith and each of the ceiling fan blades comprising a thin edge along its leading edge that is thinner than the thickness of the ceiling fan blade to present less resistance and produce less turbulence and achieve high efficiencies.

A guide for as transmission device such as a chain or belt, is injection molded using a sandwich-molding process. The sandwhich-molded guide comprises a slide rail on which a chain or belt slides, and a rail supporting member intergrally provided along with the slide rail. The slide rail is composed of a material the principle component of which is first polymeric material having wear resistance and heat resistance, and the rail supporting member is composed of a material the principle component of which is a second polymeric material having higher strength than the material having the first polymeric material as its principle component. The slide rail and the rail supporting member are intimately joined to each other by injection molding using the sandwhich molding process.

The invention provides a preparation method of a metal resin complex and the metal resin complex prepared thereby. The preparation method of the metal resin complex comprises the following steps: S1, micropores are formed on the surface of a pretreated metal substrate, and the metal substrate is an aluminum alloy substrate or aluminum substrate; S2, the metal substrate having the micropores on the surface thereof and obtained by the step S1 is soaked in a water-soluble polymer solution for modification; and S3, the surface of the treated metal substrate modified by soaking in the step S2 is coated with a resin composition, and after molding the metal resin complex is obtained. In the metal resin complex, the binding force between metal and resin is strong, and the process is simple, is easy for large-scale production, and has no pollution.

The invention belongs to the technical field of polymer materials and provides ketone group-containing polyethersulfone resin which is high in thermal stability, low in processing temperature and is easier for injection-molding and extrusion-molding. The ketone group-containing polyethersulfone resin is a product synthetized through nucleophilic polycondensation reaction of the following polymerization monomers: 4,4-dihydroxyl dihydroxydiphenylsulfone, 4,4'-dichlorobenzophenone and 4,4-dichlorodiphenyl sulfone. The ketone group is introduced onto the molecular chain of polyethersulfone, so as to improve the thermal stability of the polymer, reduce the processing temperature of the polymer and ensure that the polymer is more convenient for injection-molding and extrusion-molding. The invention also provides a synthetic method of the ketone group-containing polyethersulfone resin. The method is easy to operate, and the reaction process and the viscosity of materials are easily controlled.

A ceiling fan including a motor having a rotatable rotor, a plurality of ceiling fans blades having a thickness, the blades connected to the rotor to rotate therewith and each of the ceiling fan blades comprising a thin edge along its leading edge that is thinner than the thickness of the ceiling fan blade to present less resistance and produce less turbulence and achieve high efficiencies.

The invention discloses a high-impact water-supply pipe granular material and a preparation method thereof, wherein the high-impact water-supply pipe granular material is a blending system comprising PVC (Polyvinyl Chloride) resin and additives blended in the PVC resin; the additives comprise a toughening agent, stabilizing agents, a lubricant, a filling agent, a processing aid and titanium pigment; the stabilizing agents include an organic tin stabilizing agent and epoxidized soybean oil; and the contents of all the components in parts by weight are as follows: 100 parts of the PVC resin, 3.5-11 parts of the toughening agent, 2-4 parts of whole body of the two stabilizing agents, 1.5-3.5 parts of the lubricant, 4-12 parts of the filling agent, 1.5-6 parts of the processing aid and 0-0.5 part of the titanium pigment. A water-supply pipe produced by the granular material has good appearance and good toughness, the anti-impact strength is higher than 68kJ/m<2>, the Vicat heat deformation temperature is higher than 72 DEG C, and after being frozen for 60 minutes at the temperature of 0 DEG C, a cracking phenomenon can not occur when the water-supply pipe freely falls from a 10m high position.

The present invention discloses one kind of polyphenyl thioether/polyamide composite material and its preparation process. The polyphenyl thioether/polyamide composite material is prepared with polyphenyl thioether 23-69.3 wt%, polyamide 10-30 wt%, glass fiber 20-40 wt%, heat stabilizer 0.2-2 wt%, silane coupler 0.1-2 wt%, processing lubricant 0.2-2 wt% and crystallization promoter 0.1-1 wt%. The polyphenyl thioether/polyamide composite material has high shock toughness, simple preparation process and low cost.

A mixing device having a body, a pusher, an abutter and a mixer is provided. The body is tubular and has a fore end, a rear end and multiple chambers. Each chamber has a fore opening, a rear opening and a cap sealing the fore opening. The cap protrudes forwardly and has an outer surface and a top. The pusher has multiple rods respectively inserted in the chambers from the rear openings. The abutter has multiple tubes for respectively breaking the caps through to communicate with the chambers and each having a blunt end. The mixer is tubular and has an outlet, a connector and a mixing shaft mounted therein. The connector is connected to the fore end of the body and communicates with the tubes of the abutter. The cap may be easily injection-molded and agents may be filled directly into the chambers to ensure reliable operation.

The invention discloses an antibacterial flame-retardant ABS material and a preparation method thereof. The antibacterial flame-retardant ABS material is prepared from ABS resin, a flame-retarding agent, a coordinative flame-retarding agent, an auxiliary flame-retarding agent, a thermal stabilizer, an antibacterial master batch, a compatilizer, an antioxidant and a lubricating agent in parts by weight, wherein the antibacterial master batch is prepared from ABS and at least one of a silver ion type antibacterial agent, zinc oxide and copper oxide by a mass ratio of 10 to 1. According to the ABS material disclosed by the invention, the silver ion type antibacterial agent or the zinc oxide or the copper oxide and the ABS are used for preparing the antibacterial master batch by the mass ratio of 10 to 1, so that the silver ion type antibacterial agent or the zinc oxide or the copper oxide is effectively uniformly dispersed in the ABS resin in order to improve the antibacterial efficiency and achieve a better antibacterial effect than an antibacterial agent which is used independently; and color changes of antibacterial ABS plastic can be effectively prevented, and the antibacterial properties of the antibacterial ABS plastic can be improved.

A device, in particular a vehicle interior component, includes a base body (10) made of a first plastic material which is suitable for injection molding and for coating with chromium. The device furthermore includes at least one elastic partial body (16, 18) molded to the base body (10), which is made of a second plastic material which is suitable for injection molding, but not for coating with chromium. A method for manufacturing such a device with a base body (10) coated with chromium comprises the following steps:

• • injection molding a base body (10) of the first plastic material;
  • injection molding the partial body (16, 18) of the second plastic material to the base body (10);
  • electroplating a chromium coating onto the base body (10), wherein the base body (10) passes through a chrome-plating bath together with the integrally molded partial body (16, 18).

The invention provides a surface functionalized carbon fiber reinforced polyether-ether-ketone dental composite material. The surface treatment of the carbon fiber reinforced polyether-ether-ketone composite material is carried out by sulfonation and functionalization of graphene oxide to obtain a surface functionalized carbon fiber reinforced polyether-ether-ketone composite material coated witha graphene oxide functional layer, the functional layer has strong binding force to a substrate, is not easy to fall off, and can effectively change the surface geometry and surface functional group composition of the carbon fiber reinforced polyether-ether-ketone composite material, the carbon fiber reinforced polyether-ether-ketone composite material is given with a new surface topography and surface properties, the biocompatibility and osteogenicity are increased, the application in medical materials is increased, the operation method of the invention is simple and easy, the surface treatment condition is mild, and the method is suitable for large-scale promotion and application, and has high medical value.

The invention relates to a preparation method of a stainless steel-resin composite and a stainless steel-resin composite prepared by the same. The preparation method comprises the following steps: S1. coating an ink on the surface of a pretreated stainless steel substrate in need of combining resin to obtain a stainless steel substrate of which part of surface is coated with an ink layer; S2. carrying out oxidization and passivation on the stainless steel substrate of which part of surface is coated with an ink layer, which is obtained in the step S1; S3. removing the ink layer coated on the surface of the stainless steel substrate obtained in the step S2; S4. putting the stainless steel substrate obtained in the step S3 into an acid and/or salt solution containing 2-30 wt% of A<-> to perform electrochemical corrosion, wherein A is halogen; and S5. carrying out injection molding on a resin composition onto the surface of the stainless steel substrate obtained in the step S4, and forming to obtain the stainless steel-resin composite. The prepared product has the advantages of strong binding force between stainless steel and resin, simple technique, no pollution and low cost, can easily implement large-scale production, and can not cause corrosion of the non-injection molding region of the stainless steel.

A splicing device (10) is provided for sealing a conduit space (14) between two pipe sections (16,18). The splicing device includes a first body (20) and a second body (60) that are formed as an integral one-piece. A pair of clasp members (101) are mounted on the first and second body sections to secure them in an assembled state. To allow for mechanical advantage in closing the clasp members, each member is provided with an outwardly oriented ear (111) that can be engaged to a tool to force the members towards one another.

A component (10) for vehicle interiors comprising a first fixed assembly (12) that can be mounted on the wall (18) of the vehicle interior and a second assembly (14) that is displaceably attached to the first assembly (12), the second assembly (14) being displaceable in opposition to the action of elastic elements (20) from a resting position into a position of use and vice versa and the second assembly (14) being displaced from the position of use into the resting position, or being maintained in the resting position by the sole action of the elastic elements (20), has the distinguishing feature that the elastic elements (20) take the form of at least one elastically extensible strap or cable or an elastically extensible cord.

The present invention provides a thermoplastic polyurethane composition for injection molding and a method of manufacturing the same. The thermoplastic polyurethane composition for injection molding can be easily injection-molded since a slip property is imparted to a soft segment, and can possess excellent durability properties such as heat-aging resistance, photoaging resistance, and wear resistance, and stability properties such as airbag deployment performance and anti-fogging property, as well as excellent tactile sensation and embossing quality, when a chain extender and a multifunctional polydimethylsiloxane-based compound are mixed with an isocyanate- and ether-containing polyester polyol, and can be useful in simplifying processes, reducing manufacturing costs, and simplifying facilities due to a decrease in the number of parts when molded articles are manufactured using the composition.

The invention relates to a production method for an extrusion injection bone for a pet. According to the production method, cowhide, pigskin, fish skin crushed particles, meat and bone meal, muddy flesh, glycerol and natural perfume are served as principal raw materials; the cowhide, the pigskin and the fish skin particles are soaked in water; or fresh skin of cattle, pigs and fish are ground into skin particles with the size of 10 to 12 meshes through a meat grinder; the skin particles are ground into skin mud through a bone mud machine; the skin mud is stirred into skin glue in a kneading machine with a high temperature and is continued to be stirred after the meat and bone meal, animal protein powder and the glycerol are added into the kneading machine; materials are took out from the kneading machine to perform air drying and cut into small blocks; the small blocks are extruded and granulated into particles through a granulating machine; and injection molding is performed on the particles through an injection molding machine after being dried. Compared with the common pet teeth cleaning bone, the edible injection bone for the pet has the advantages of being rich in nutrition, having special aroma of the skin, the meat and the bone, taking functions of food tempting, dental caring and oral cavity cleaning and being high in tenacity, easy to digest, free of starch adding, high in compactness, low in moisture and capable of being performed as snacks for the pet to clean the teeth and chew.

The invention discloses a special material for forming a halogen-free high-flowability anti-yellowing wire rod. The material is prepared from the following raw materials: SEBS (Styrene-Ethylene-Butylene-Styrene) rubber resin, a softening plasticizer, a polyolefin elastomer, functional resin, polypropylene resin, an antioxidant, a light stabilizer and a processing agent. The invention further discloses a preparation method of the special material for forming the wire rod. The special material for forming the wire rod has the advantages of no halogens, anti-yellowing property, good adhesiveness, high tensile strength, high flowability and easiness in injection molding, processing and forming and the like. As no halogens are available, the condition that harmful substances in the combusting and heating process are released to threat the physical health of human and environment is effectively avoided. The preparation method provided by the invention is concise in technical step and easy to realize, and can quickly prepare the special material product for forming the halogen-free high-flowability anti-yellowing wire rod. The product can be widely applied to other wire rod products such as external membranes of plugs of top grade earphone lines and external membranes of plugs of data lines, and is wide in application range.

Provided is a stepping linear motor which comprises a stator, a rotor, a rotor shaft and a screw rod. The rotor shaft is internally provided with a plastic internal nut which is used for being connected with the screw rod in a transmission way. The rotor shaft is a metal hollow shaft. The internal wall of the metal hollow shaft is provided with a ring groove which is used for embedding the plastic internal nut. The wall of the ring groove is provided with a concave-convex structure which is used for preventing the plastic internal nut from radial rotation and axial movement. The plastic internal nut is embedded inside the ring groove and engaged with the concave-convex structure. According to the stepping linear motor, the rotor is relatively high in the service life, great in anti-rotating and stopping performance, high in injection molding nut intensity, relatively high in transmission efficiency, relatively low in heat radiation, great in injection molding degree, relatively high in transmission accuracy, etc.

Provided are stainless steel-resin composite and method of preparing the same. The method comprises steps of: providing a stainless steel substrate; spraying aluminum particles onto a first surface of the stainless steel substrate via thermal spraying to form an aluminum layer on the first surface of the stainless steel substrate; removing the aluminum layer via dipping the stainless steel substrate into an alkaline solution with a p H value greater than or equal to 10 so as to form a porous surface; and injecting a resin composition onto the porous surface of the stainless steel substrate so as to form a resin layer.