580results about How to "Easy to mold" patented technology

A disposable reamer is provided, made up of a base and a thin-walled, perforated cutting body of flat metal stock affixed thereto. The base and body may be molded together or assembled together in a mechanical manner. The body is optionally formed so as to comprise a plurality of appendages connected at a center so as to improve die forming of the body into a final desired shape while at the same time minimizing stress-induced deformation in the body.

A cementitious composite product that can function as a substitute for stone and solid surface materials, such as granite, marble, and engineered stone is provided. Furthermore methods for manufacturing the cementitious composite product using an extrudable cementitious composition that can be extruded or otherwise shaped into stone-like building products that can be used as a substitute for many known stone products is disclosed. In one embodiment, the cementitious composite products can be manufactured more cheaply to be as tough or tougher and more durable than stone and solid surface materials.

In the present invention, the No. I invention relates to a regenerated PET resin composition which comprises formulating 0.5-100 part by weight of a lactone polymer (B) with 100 parts by weight of a regenerated PET resin (A), in which there is improved a molding processability such as an injection moldability and extruding molding, and relates to a molded article therefrom and, the No. II invention relates to a flame retardant resin composition containing a thermoplastic resin (E) and a flame retardant (F), in which bleeding of the flame retardant is suppressed without a decline of a flame retardancy, and relates to a molded article therefrom.

The invention discloses an X-shaped self-heat insulating building block, comprising a column A, a column B, an intermediate column A, a column C, a column D, a column E, an intermediate column B, a column F, an intermediate heat insulating block, an X-shaped lacing wire A, an X-shaped lacing wire B, a top and bottom self-heat insulating block A, a top and bottom self-heat insulating block B, a top and bottom self-heat insulating block C, a top and bottom self-heat insulating block D, a top and bottom self-heat insulating block E, a top and bottom self-heat insulating block F, a top and bottom self-heat insulating block G, and a groove. The X-shaped self-heat insulation building block adopts monolithic self-heat insulating foamed plastic, so that the production and transportation are convenient, and the die-filling is simple; and a concrete structure of X-shaped lacing wires and 8 columns, so that the mechanical properties and high heat insulation performance are optimum, and the energy saving effect is optimum. The X-shaped self-heat insulation building block is a product for replacing a self-heat insulating building block.

The invention discloses a stub matching prefabricated form system used for corrugated steel web composite structure girder bridge. The system includes a fixed end mould, a fixed end mould holder, an outer mould, an outer mould holder, an inner mould, an inner mould holder, a bottom mould, a bottom mould holder, a bottom mould trolley, a hydraulic system and the like. The fixed end mould includes an upper part and an under part, and a push-pull moving block which is convenient to enter mould for the corrugated steel web is disposed on the upper part opposite of the corrugated steel web. A three-way position adjustment device is disposed on a girder of the outer mould which accurately positions the space attitude of the corrugated steel web. A sealing device on steel-concrete composite is disposed on the steel-concrete composite area, and the device has the locate function of the corrugated steel web. The parts of the mould are assembled and accurately positioned by the hydraulic system according to the structure size of the girder sections. The system overcomes the problems that the installation accuracy requirement of the corrugated steel web is high and the reinforcement cage integral installation is difficult, and the prefabrication construction of the composite girder sections has high-quality and high-efficient.

The present invention relates to a fire extinguishing composition generating fire extinguishing substance through high-temperature decomposition; the fire extinguishing composition includes a fire extinguishing material which can be decomposed to release substance with fire extinguishing properties during the heating process; the content of the fire extinguishing material is at least 80 wt %; a pyrotechnic agent is adopted as a heat source and a power source in a process of fire extinguishing; and the purpose of fire extinguishing is achieved by: igniting the pyrotechnic agent, generating a large quantity of fire substance from the fire extinguishing composition in the use of high temperature produced by burning pyrotechnic agent, and the fire substance sprays out together with the pyrotechnic agent. Compared with the traditional aerosol fire extinguishing systems, the gas fire extinguishing systems and the water type extinguishing systems, the present invention provides a more efficient and safer fire extinguishing composition.

The invention discloses a precise die forging technique of a petroleum drill rod connector and is characterized in that: 1) flan material is prepared with a band saw; 2) the flan material is heated quickly at a temperature that is suitable for forging by a medium frequency electric induction furnace; 3) then the flan material is extruded in a close type into a prefabricated flan and a flan makes concave die on a quick flan-making oil hydraulic machine; 4) a molding concave by die level method extrudes and presses the prefabricate flan into a connector die forging piece on the quick flan-making oil hydraulic machine which can implement combination of the upper molding concave die and the lower molding concave die and relative extrusion and pressing from right and left and inner holes of the connector die forging piece is provided with wad; 5) finally a hole punching die punches away the recess inside the inner hole of the forging piece on a special hole punching oil hydraulic machine to obtain the connector forging piece with accurate specifications, excellent structure performance and central through holes. The invention has the advantages of good streamline distribution, material conservation, environmental protection and high production efficiency.

The invention discloses a composite bipolar plate for a PEM (proton exchange membrane) fuel battery and a preparation method thereof. The bipolar plate comprises an upper and lower surface layers prepared by using vermicular graphite as a base material, and a plurality of laminated plate unit preforms prepared by embedding conductive particles in organic substance films, wherein every two adjacent laminated plate unit preforms are provided with one or a plurality of conductive particle overlay areas to form one or a plurality of zigzag conductive paths. The preparation method comprises the following steps: sequentially laying the lower surface layer material, the laminated plate unit preforms and the lower surface layer material in a die, and carrying out die pressing twice to obtain the bipolar plate for a PEM fuel battery. The method enhances the production efficiency of the composite bipolar plate for a PEM fuel battery, and lowers the manufacturing cost; and the composite bipolar plate has the advantages of high bending strength, favorable conductivity and favorable air tightness.

A lacrosse stick comprising a lacrosse head and a lacrosse handle. The head comprises a scoop removably attached to a throat. The scoop and the throat can be disassembled from one another to allow replacement of the individual components of the head. The head can comprise a throat, a scoop, and first and second sidewalls connecting the throat to the scoop. Each sidewall can include a top support spaced from a bottom support. A removable stanchion can be spaced between one of the top supports and one of the bottom supports. The scoop can include a molded first armature attached to a second molded armature wherein the second molded armature can be positioned substantially between the first molded armature and the throat. A handle can be integrally connected to the head. The throat can be molded with the handle such that the handle can be inseparable from the throat.

The invention relates to a dry type making method for animal specimen that includes six steps: collecting material, reshaping antisepsis fix and tube cavity cast, alcohol dewatering fix, glycerol process, turpentine impregnation and air drying, material repairing tinction preservation or seal up for keeping. Thereinto, in step 1, the animal material is bleed and killed via health quarantine, in step 2, potting it with the formalin with colorless glycerin and phenol or alcohol solution, in step 3, controlling the concentration of every step and fixed time, in step 4, marinating it with glycerol moisture absorption soften liquid, and transfer it from low concentration to high concentration of glycerin, and the time is prolonged gradually, in step 5, treating it with turpentine continually, in step 6, printing it. The invention improves the present technique, the quality of specimen is improved greatly, and that can keep the original state of material, the color and the luster. The dried specimen is sanitation without peculiar smell, and good at handle and quality.

A linear motion guide device includes a slider and two end caps attached to side portions of the slider, and two holding assemblies attached to two side legs of the slider and the end caps for forming four endless ball guiding channels and for smoothly receiving four chains of rolling members, the holding assemblies each include two L-shaped holding devices and a retaining device attached to the leg of the slider and the end caps, and the holding devices each include two detachable halves for allowing the holding devices to be easily and quickly molded and for allowing the holding devices to be easily disengaged from the mold devices.

It is an object of the present invention to provide: a rubber stopper composition that is easy to mold and process, excellent in sealing properties and gas-barrier properties, low in propensity to elute into the contents, and satisfactory in needle penetration; and a medical rubber stopper made by using the same. The object of the present invention is attained by a composition made up in a predetermined way by dynamically cross-linking an isobutylene-based polymer in the presence of polyolefin with use of a hydrosilyl-group-containing compound and by further adding a softener to the isobutylene-based polymer thus cross-linked, the isobutylene-based polymer having an alkenyl group at a terminal thereof. To the composition of the present invention, a block copolymer consisting of a polymer block (a) composed mainly of an aromatic vinyl-based compound and a polymer block (b) composed mainly of isobutylene or a lubricant can be added.

The invention provides a manufacturing method of bent bamboo furniture and bent bamboo rod pieces. The manufacturing method involves manufacturing of the bent bamboo rod pieces and bent bamboo plate pieces. According to the method, bamboo is divided into long-strip-shaped bamboo filaments or bamboo splits after bamboo skin and bamboo pith which can affect the bonding performance are removed; adhesives are arranged on the surfaces of the bamboo filaments or the bamboo splits after the bamboo filaments or the bamboo splits are dried; plate blank is formed in a planar cold press in a cold pressing mode; the plate blank is arranged in a bending forming die in an overlaying mode, pressing is conducted to enable the plate blank to form bent-plate-shaped bent bamboo rod plates, the bent bamboo rod plates and the die are sent into a heating chamber to be heated and cured, after the die is disassembled, according to the requirements of bent bamboo rods, the plates are cut into bent bamboo rods in a sawing mode in the bending direction of the bamboo filaments, and the bent bamboo rod pieces are formed after the surfaces are smoothed; meanwhile, the bamboo is sawed off at fixed length and divided into rectangular bamboo strips, assembly is conducted according to the requirements of the plate blank, the plate blank is arranged in a drying and shaping die to be compressed, and drying, heating and shaping are conducted to form bent bamboo plate piece panels; the surfaces of the panels are coated with adhesives, the panels are laid in a heat curing die, and pressing, heating and curing are conducted to obtain the bent bamboo plate pieces.

Antimicrobial polymers that are able to release antimicrobial agents at a controlled rate over a predetermined period of time are provided. The antimicrobial polymers comprise an acid copolymer, an antimicrobial agent, and optionally, an organic acid. The acid copolymer and the organic acid, if present, may be at least partially neutralized. Also provided are methods of manufacturing the antimicrobial polymers of the invention, and articles made therefrom.

The invention provides an extrusion die and a method for extrusion molding inside and outside reduction blank by the same, which relate to a die and a method for extrusion molding blanks by the die, and are aimed to solve the problems that the adoption of the common blank extrusion molding die and method cannot mold a workpiece with an external shape of one end of a larger diameter and the other end of a smaller diameter, and the workpiece with an internal hole end of a larger diameter, a bottom part of a smaller internal diameter and a long axial length. The die is characterized in that a second assembly is arranged on a lower die seat; a first assembly is arranged on a second assembly; the die holes of a first lower die and a second lower die are combined to form into a lower die cavity; a cushion block and a discharging plate are detachably connected with a first pre-stressed ring; a convex die is arranged in the lower die cavity; the connection part of the convex die is arranged in a stepped through hole of a fixing plate of the convex die; and the fixing plate of the convex die is detachably connected with the cushion block and an upper die seat. The method comprises the following steps of blanking, turning, heating, extruding and annealing treatments, wherein the heating temperature is between 1100 DEG C and 1150 DEG C. With the adoption of the extrusion die and the method provided by the invention, the extrusion molding of inside and outside reduction blanks can be realized.

This invention relates to concrete self contract meter in architecture materials field, which comprises amesdial and specimen mold, which is characterized by the following: the mold is fixed with one amesdial and the mold is composed of top cover, down cover ad hollow round disc, wherein, the disc bench axis line passes the amesdial long bar for overlapping with an angle foralpha=45-60degree between mother line and bottom line; The mold is inserted with resistance stress slice and temperature sensor probe; the stress slice wires are connected to stress device and the probe is connected to temperature meter.

A moulding sand is prepared from zircon sand (or powder), graphite powder and water glass through proportionally and sequentially mixing. Its advantages are high surface quality of casting mould and high refractory performance.

An anti-vibration clamp for holding pipes includes a pipe holding component which further includes pipe holders for locking the pipes; a clamp body including a stud locking portion for locking to a stud, and a floating attachment portion for holding the pipe holding component; and an elastic connecting component made of soft resin placed between the pipe holding component and the clamp body so that the pipe holding component and the clamp body do not contact one another directly. The pipe holding component, the elastic connecting component and the clamp body are held so that it is difficult for them to each slip mutually.

The invention relates to a lens for an LED (light-emitting diode) light source, which comprises an incident plane and an emergent plane of light. The emergent plane comprises a left rotating symmetric curved surface, a right rotating symmetric curved surface, a connecting curved surface and a plane interface, wherein one of the two rotating symmetric curved surfaces is a saddle-like arch-shaped curved surface, the other one is a bowl-shaped curved surface, and the two rotating symmetric curved surfaces have a same symmetric central straight line Z axis; and the connecting surface is arranged above the bowl-shaped curved surface for connecting the outer arc-shaped curved surface with the bowl-shaped curved surface. The inner surface comprises a 1/4 spherical surface and an inner concave surface, wherein the inner concave surface is obtained by enabling an inner concave arc line and a straight line to rotate 180 degrees around the direction which is vertical to the straight line. An LED is placed on the rotating symmetric central axis, and the lens can deflect most of light emitted by the LED to one direction to form a light spot which is similar to a semicircle, thereby being especially applicable to occasions which need to mount the lens on outdoor walls for lighting squares outside the walls, preventing light from excessively irradiating the walls, and realizing very high light energy utilization rate.