Abstract: The present invention provides a member in contact with a rubber material, the member being characterized in that the member has a surface in contact with the rubber material, and that the contact angle of the surface thereof in contact with the rubber material is 40° or more when a liquid rubber to be tested is placed on the surface.

Abstract: When kneading kneading materials that include raw rubber and carbon black in a closed-type rubber kneader, the extent of the kneading efficiency of the closed-type rubber kneader is evaluated in accordance with the magnitude of the evaluation index calculated from unit work/total amount of shear by calculating an evaluation index calculated by a calculation device based on a total amount of shear obtained by integrating the shear velocity applied to the kneading materials by a rotor that is being driven to rotate by the rotor drive unit of the kneader over the kneading time, and a unit work obtained by dividing the integrated power obtained by integrating the instantaneous power of the rotor drive unit over the kneading time by the mass of the kneading materials.

Abstract: An adhesive composition contains a block copolymer hot melt adhesive and a vapor releasing vapor corrosion inhibitor mixed with the block copolymer hot melt adhesive, the vapor corrosion inhibitor being in the form of particles suspended in the adhesive composition, the particles preferably having a maximum dimension of less than about 30 microns. One improvement results from inclusion in the adhesive mixture of a titanium and/or zirconium containing coupling agent, either separately or as part of the VCI particles. Another improvement results from blending the adhesive mixture in a continuous process using for example a twin screw extruder. As a result, the adhesive mixture has better uniformity and superior viscosity properties during use.

Abstract: A system and method for producing solid pellets from a slurry HDC pitch is disclosed which utilizes a polymer additive that is mixed with the pitch to increase the softening point of the solid pellets.

Abstract: A circuit board may include a substrate, an interconnected structure associated with the substrate, and a solder mask associated with the interconnected structure and the substrate. The solder mask may be based on a mixture that includes epoxy and a powder. The powder may be hollow glass micro-balloons.

Abstract: A dough-mixing control device capable of determining dough gluten development is mounted on a dough mixer and has a controller, a power sensor, a temperature sensor, an output module and an operation module. The controller is electrically connected to the power sensor, temperature sensor, output module and operation module. Each parameter and determination condition inputted through the operation module is transmitted to the controller. A dough gluten development determination procedure built in the controller controls temperature and gluten development of mixed dough and performs statistical calculation according to the inputted parameters and determination conditions so as to acquire the optimal gluten development of dough. Accordingly, drawbacks such as high human production cost and unstable dough quality of conventional dough mixing that relies on human experience to determine dough gluten development can be resolved.

Abstract: There are disclosed a regenerated rubber, a method and apparatus for obtaining regenerated rubbers from vulcanized crumb rubber, such as rubber from scrap. The apparatus is a thermokinetic mixer having the particularity to have an air tight stationary chamber with inner non-uniform surface. The method comprises the steps of raising the speed of the rotor shaft in order to increase a temperature of a mixture made of vulcanized crumb rubber and a lubricant, such as oil, until a devulcanizing temperature is reached; and reducing the temperature of the mixture to a lower temperature during a second period of time. The method of the invention is environmentally friendly or “green”, since the regeneration method does not use chemicals, includes a shorter period of treatment at higher temperature avoiding the risks of rubber cracking and spontaneous combustion, and further allowing mass-production of regenerated rubber with lower energy consumption.

Abstract: A kneading device includes an index setting portion that sets an index for kneading based on a motion energy of particles of an electricity storage material, a mean free path of the particles of the electricity storage material, and a kneading time for the electricity storage material, a condition setting portion that sets a condition for the kneading based on the set index for the kneading, and a kneading control portion that controls the kneading of the electricity storage material in accordance with the set condition for the kneading.

Abstract: A gel reduction device 1 of the present invention includes a gel reduction mechanism 8 provided in a polymer flow duct 5 in which a polymer kneaded compound flows and adapted to reduce gel present in the polymer kneaded compound. The gel reduction mechanism 8 includes at least one or more squeezing flow paths 10 having a flow path cross-sectional area smaller than the polymer flow duct 5, and a squeeze ratio S1/S2 of the squeezing flow paths 10 is set to be 25 to 180 so as to be able to generate an extensional flow in the kneaded compound flowing in the squeezing flow paths 10.

Abstract: Disclosed is a material for fiber manufacturing obtained by melt kneading while degassing a liquid crystal polyester satisfying the following requirements (a) and (b): (a) the flow starting temperature is equal to or greater than 280° C. and equal to or less than 360° C.; and (b) the melting viscosity measured at 360° C. with conditions of a nozzle pore diameter of 0.5 mm and a shear velocity of 1000 s?1 using a flow feature testing machine is equal to or less than 70 Pa·s.

Abstract: An improved polymerization and work-up process makes it possible to produce specific nitrile rubbers which have a particular ion index and a particular magnesium content which is responsible for an excellent vulcanization rate and leads to vulcanizates having an advantageous property profile.

Abstract: An extrusion device for producing elastomeric compounds, includes a holding body internally confining a chamber and at least one extrusion screw disposed in the chamber. The device further includes a plurality of interchangeable extrusion heads alternatively installed on the holding body at a discharge opening of the chamber. The choice of using a type of head rather than another or leaving the discharge opening free is carried out based on the physico-chemical features of the elastomeric compound to be treated, so as to maintain the temperature and/or pressure of the outgoing compound under critical threshold values for such a compound.

Abstract: In a rubber extruder, a rubber sample is sampled while the rubber extruder is operating. In a rubber extruder formed of a cylinder and a screw arranged in the cylinder, a rubber sample taking-out path is provided in the vicinity of an outlet-side end portion of the screw and in front of a rubber taking-in port of a pair of gears of a gear pump. A path opening/closing means including a ball valve which opens/closes the rubber sample taking-out path is also provided so that a part of rubber extruded by the screw is taken out as a sample by opening/closing the ball valve at predetermined timing.

Abstract: A dough processing device has a support frame, a dough feed device, a dough portioning device, a dough kneading device and a dough transfer device. The latter transfers at least one dough portion from at least one portioning chamber of the dough portioning device to at least one kneading chamber of the dough kneading device during transfer time periods. An adjustment device serves for defining a vertical distance between the transfer device and the kneading chamber. This results in a dough processing machine in which a reliable transfer of dough portions from the at least one portioning chamber to the at least one kneading chamber is ensured even in the case of a high throughput.

Abstract: In an extruder or a kneader, load (torque T) values on an input shaft portion of a screw shaft are detected by a load detector installed on the input shaft portion, then an overload condition is determined from a load mean value (Ta) and a load amplitude value (Tw) of the detected load values, and the issuance of an “abnormal” alarm and/or the stop of rotation of the screw shaft are (is) performed when an overload duration time (to) of maintaining the overload condition exceeds a set time (ts). In this way the screw shaft is protected from fatigue fracture caused by application thereto of such a load as does not exceed a designed mechanical strength but causes fatigue fracture.

Abstract: A tank comprising a vessel wall and a bottom fixed to said vessel wall. The bottom comprises a portion obtained by chip-removing machining. The tank can be used for a machine for kneading foodstuff substances in which the tank can be driven in rotation by driving means of driving said machine. The aforesaid portion is prearranged for direct engagement with the aforesaid driving means of the kneading machine.

Abstract: An apparatus for mixing and distributing sauce is disclosed. The apparatus may include a mixing-pump device coupled a linear arm for distributing sauce over a rotating turntable. The turntable may include an improved gripping device for coupling to a pan. The apparatus may also include a self-expelling concentrated sauce vat which couples to the mixing-pump device. The apparatus may also include a self-expelling concentrated sauce cassette which couples to the mixing-pump device.

Abstract: A method suitable for solid freeform fabrication is disclosed. The method comprises mixing respective amounts of a plurality of materials such as to provide a building material characterized by at least one attribute, and using the building material for fabricating a three-dimensional object.

Abstract: The present invention provides a transparent optical element having low thermal expansion and a manufacturing method of an optical element such as an object lens 15, the method having a melt-kneading process where a thermoplastic resin and an organic particle whose primary particles have a volume average dispersed particle size of not more than 30 nm, are melt-kneaded in an inert gas atmosphere.

Abstract: In an extruder of the invention, a screw receiving portion penetrates through a cylinder from one connection surface to the other connection surface thereof and the connection surface of the cylinder is connected to the connection surface of other cylinder, a key groove for positioning the other cylinder and a recess having a taper surface are formed in at least one of outer wall surface of the cylinder except the connection surface thereof, and a wedge portion of a connection member is pressed into the recess to connect adjacent cylinders.

Abstract: In a method for tinting caulking, a quantity of caulking is sealed within and toward one end of an elongate, pliable casing. The unfilled portion of the casing is then unsealed, and a quantity of tinting agent, such as paint, is introduced into the casing, which is then resealed. The caulking and tinting are then intermixed by manual kneading of the casing until the caulking has acquired a desired colour. The sealed end of the filled portion of the casing is then unsealed, the casing is inserted into a caulking cartridge with the filled portion disposed toward the nozzle end of the cartridge, and a slidable plug is inserted into the cartridge. The cartridge may is then loaded in a conventional caulking gun, which upon actuation urges the plug against the casing so as to force the tinted caulking out of the unsealed casing and through the cartridge nozzle.

Abstract: A polypropylene resin having: (1) a melt flow rate (MFR) of 6 to 100 g/10 minutes, (2) a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of 3 to 6, and (3) a 116° C. non-eluted component content (100-W116(%)) of 50% or more and a content of components eluted at 90° C. or less (W90) of 10 to 30%, measured by temperature-rising fractional chromatography (TREF).

Abstract: To form the housing of a double-screw extrude, the housing body or a segment thereof is provided with auxiliary bores along a segment of the housing at which the hardening material is to be thicker or a hardening material is to be provided. The screw-receiving bores are then formed and overlap each other and the auxiliary bores and the hardening material is provided at least in the auxiliary bores by a division process, preferably a hot isostatic pressing (HIP) process.

Abstract: The present invention relates to reinforced polyamide molding compounds containing high-melting partially aromatic polyamides and flat glass fibers, in particular with a rectangular cross section, i.e., glass fibers with a noncircular cross-sectional area and a dimension ratio of the main cross-sectional axis to the secondary cross-sectional axis of 2 to 6, in particular 3 to 6, most especially preferably from 3.5 to 5.0. The present invention also relates to a method for manufacturing polyamide molding compounds and molded articles manufactured therefrom, i.e., in particular injection-molded parts. The inventive molded parts have a high transverse stiffness and transverse strength.

Abstract: A screw element for use as a kneading element in a plasticizing unit includes at least two kneading units which can be arranged on a common axis, for example a screw shaft. The kneading units have a geometry which is designed for attaining particularly good plasticization and reduced mechanical stress in such a way that the geometry of at least two successively arranged kneading units differs.

Abstract: A method for producing a rubber compound wherein the mechanical properties thereof are improved. In particular, the rubber compound has an increased elongation at rupture and/or increased tensile strength and/or increased tear strength and also a reduced compression set (DVR). The rubber compound includes a rubber which has at least two functional groups which can be cross-linked by hydrosilylation, a cross-linking agent consisting of hydrosiloxane or a hydrosiloxane derivative or a mixture of several hydrosiloxanes or derivatives, which include at least two SiH-groups per molecule in the centre, a hydrosilylation catalyst system, at least one filling material and a coagent which can be cross-linked by hydrosilylation.

Abstract: An improved polymerization and work-up process makes it possible to produce specific nitrile rubbers which have a particular ion index and a particular magnesium content which is responsible for an excellent vulcanization rate and leads to vulcanizates having an advantageous property profile.

Abstract: Holographic data storage media having a sandwiched construction are described in which a holographic recording material is sandwiched between two substrates. The holographic media formulation is often formed of two or more components mixed to obtain a homogeneous formulation. The holographic media formulation may include two or more components which are mixed together prior to injection between the substrates. Curing of the holographic media formulation is substantially avoided during mixing, yet accelerated after the formulation is injected between the substrates. Accordingly, the system and techniques can be used to improve the large scale manufacturability of such media by allowing for fabrication of such media within reasonable cycle times, such as less than one minute, while adhering to stringent requirements for optical clarity and parallelism.

Abstract: Disclosed herein is a method for manufacturing a composite having nanofibers uniformly dispersed in a metal, polymer or ceramic matrix. The method comprises mixing the nanofibers with a metallic, polymeric or ceramic material, followed by uniformly dispersing the nanofibers in the material via deformation of the metal, polymer or ceramic matrix by application of mechanical energy to the material; and imparting a directionality to the nanofibers via application of a mechanical mass flowing process to a composite material with the nanofibers uniformly dispersed in the metal, polymer or ceramic matrix. With the method, since the nanofibers can be uniformly dispersed in the metal, polymer or ceramic matrix via a simple mechanical process, the composite can be manufactured through a simple process, thereby enhancing manufacturing efficiency.

Abstract: The invention provides an apparatus and method for improved mixing of yeast-raised and yeast-raised type dough. The device and method keep the dough cool by an improved structure and method for circulating coolant around a jacketed bowl, and by circulating cooled air through the spinning agitator roller bars. Better aeration of the dough and faster mixing time are achieved along with full water and flour absorption, and reduced operating temperatures by controlling placing of the agitator driveshaft in a carefully defined region. Finally, the invention provides a wiper for wiping the lip of the bowl to keep it clean of dough and to insure a proper seal along the bowl lip when a resilient, expandable bowl seal is used, and it provides a pneumatic seal for securely sealing the mix ingredients in the bowl during mixing.

Abstract: The present invention relates to a method for making highly homogenized cellulose solution, wherein the cellulose solution is obtained by obtaining a solidified N-methylmorphorine-N-oxide (hereinafter, referred to as ‘NMMO’) hydrates which is solidified a liquid-state NMMO hydrates comprising 10 to 18% by weight water by using a simple screw-type feeder and by controlling the temperature, feeding the solidified NMMO into a twin-screw type extruder continuously, obtaining a cellulose solution which is fully swelled in a few minutes by dispersing and mixing with cellulose powder in the twin-screw type extruder, and extruding a highly homogenized cellulose solution by feeding the obtained cellulose solution into a melting zone of the extruder to melting the cellulose solution in a few minutes by minimum heat and shear force.

Abstract: A method for the production of rubber mixtures in a ram kneader or in an aggregate combination of a ram kneader and a preferably thereunder disposed ram-less kneader includes applying a fluid in a surface covering application onto the mixture which has been handled in the ram kneader at the same time as during the mixing process at which there occurs at least one of an enlargement of its working volume, during the discharge process in which the mixture is discharged from the ram kneader, and during a time at which the mixture is in the ram-less kneader, the boiling point of the fluid being less than the desired end temperature of the mixture and the fluid being evaporated during the course of further working of the mixture in a manner in which no fluid remnants remain.

Abstract: A method for the production of rubber mixtures in a ram kneader or in an aggregate combination of a ram kneader and a preferably thereunder disposed ram-less kneader includes applying a fluid in a surface covering application onto the mixture which has been handled in the ram kneader at the same time as during the mixing process at which there occurs at least one of an enlargement of its working volume, during the discharge process in which the mixture is discharged from the ram kneader, and during a time at which the mixture is in the ram-less kneader, the boiling point of the fluid being less than the desired end temperature of the mixture and the fluid being evaporated during the course of further working of the mixture in a manner in which no fluid remnants remain.

Abstract: A method for processing a rubber mixture or compound for tire manufacturing includes the steps of determining variation tolerances with respect to reference values for process parameters, detecting values of the process parameters, comparing detected values of the process parameters with the reference values and the variation tolerances, attributing an evaluation to a semi-finished product depending on compliance or noncompliance of the detected values with the reference values and the variation tolerances, classifying the semi-finished product on a basis of the attributed evaluation, and establishing successive steps for processing the semi-finished product depending on the classification of the semi-finished product. The processing includes at least a mixing cycle and an extrusion cycle for obtaining the semi-finished product. The cycles are controlled by the process parameters detected during execution of the cycles.

Abstract: A system and method are disclosed for molding a part, such as a point-of-purchase display, is shown. The system comprises a plasticator and press. The molded part comprises an in-molded graphics sheet which becomes molded integral with the part.

Abstract: In a method for controlling the mixing of dough ingredients in a mixer, dough ingredients are mixed. The amount of power supplied to the mixer is measured in specified time intervals. Data relating to the amount of power supplied are stored. Based on the stored data, a decline in the amount of power supplied to the mixer is identified and the mixer mixes the dough ingredients for a predetermined period of time after the decline is identified. A mixer of the present invention includes a mixing device, a motor coupled to the mixing device, a power source coupled to the motor, and a mixing-time controller.

Abstract: In the shell of an incrementally rotatable drum (8) for producing equal-sized round portions of dough a train of portioning chambers (5) is accommodated arranged parallel to the drum centerline and continually variable in volume for filling from a main chamber (3) by means of a main piston with a dispensed nugget of dough. Arranged in the region of the bottommost inflection of the drum (8) is a molding device (10) executing an eccentric circulating movement from without so that the nuggets of dough introduced into the train of portioning chambers (5) are roundly molded into nearly spherical portions of dough (11) and centrally positioned in the portioning chamber. Preferably the molding movement is implemented as an eccentric circular movement in which, starting from a zero position, a maximum possible molding excursion is made before returning to the zero position.

Abstract: An apparatus for kneading dough into round pieces is provided. The apparatus includes an inner drum disposed within an outer drum. The inner drum includes an outer periphery on which deepenings are disposed. The deepenings are assigned to the openings of the outer drum. The apparatus also includes a first drive for driving the inner drum in relation to the outer drum such that the deepenings of the inner drum execute a kneading movement in relation to the openings of the outer drum. A support is guided along at least a section of the periphery of the lower half of the outer drum. The support includes a plurality of links interconnected to form an endless chain. The support is spaced apart from at least a portion of the periphery of the outer drum and forms a closed substantially flat surface facing the outer drum. A second drive is included for driving the endless chain such that the plurality of links follow the rotation of the outer drum.

Abstract: The preferred embodiment of the present invention comprises a pizza docking device having a pair of guides atop a pan and retaining a roller therein. Said roller has a plurality of pins thereon in spiral orientation. The device is dimensioned such that when an uncooked pizza crust is place on said pan, said roller may be traversed across said crust, docking it with perforations of a desired spacing and depth. A pair of shelves is provided in an elevated portion of said guides for placement of said roller up and away from said pan such that crusts may be placed and removed.

Abstract: A stand mixer having a mixer head that can be locked in an up or down position. The locking mechanism includes a pin slideably retained in the pedestal of the stand, which is removeably received in one or more recesses in the mixer head.

Abstract: The continuous mixing apparatus for preparing a rubber composition has a mixing chamber accommodating at least one rotor rotating in a stator and extending between an upstream end and a downstream end between which the material progressively passes. The base elastomers are introduced at the upstream end of the mixing chamber by means of volumetric pumps capable of delivering the said base polymers under pressure. It has members for the dosaging and forced introduction of the other components, to arranged along the mixing chamber at at least two longitudinally separated positions between the upstream end and the downstream end.

Abstract: A method of mixing two or more kinds of adhesive resin liquids takes the steps of arranging such that resin outlet ports (6a, 7a) of feed tubes (6, 7) for feeding two or more kinds of resin material liquids which are hardened by reaction face a side skin surface (3b) of an ultrasonic wave transmission solid horn (3), allowing the resin material liquids to flow down passing along the side skin surface (3b) while applying ultrasonic vibrations to the resin material liquids, and guiding the resin material liquids to a distal end face (3a) of the ultrasonic wave transmission solid horn (3), thereby mixing the resin material liquids in an aerial state.

Abstract: A supplying device and method make use of a cylinder and a rotary member rotatable in the cylinder for introducing and forwarding a band- or string-shaped raw material having a regular section along a fluidization passage formed between the cylinder and rotary member, while fluidizing the raw material into fluid material with frictional heat produced by the rotation of the rotary member. The fluid material is continuously discharged from a nozzle disposed on the cylinder to various processing devices such as a synthetic-resin molding machine or machine tool.

Abstract: An apparatus for receiving and transporting material mixed in internal mixers used for processing rubber mixtures. At least one mixer is provided that has a discharge opening at the bottom. A closure that is pivotable about a horizontal axis is provided for opening and closing the discharge opening. At least one receptacle is adapted to be disposed below the discharge opening of the mixer for receiving mixed material from the mixer. After a receptacle has received mixed material from the mixer, and prior to closure of the closure, a receptacle is withdrawn in a closure direction of the closure.

Abstract: A disposable sterile plastic bag is proposed for holding samples in blenders during the mixing thereof comprises a two-ply sheet flexible material integrally joined at opposed side edges thereof and joined at the upper and lower ends thereof respectively by upper and lower heat seals with a sealed sample receiving chamber being defined between the two plastic sheets inwardly of the bag's side edges and upper and lower seals. Inwardly of the upper seal, there is defined a tear off line transversally across the two sheets and parallelly to the upper seal thereby forming a detachable strip outwardly of the tear off line. When the sample is ready to be introduced in the bag, the strip is removed from the bag by pulling it so as to cause rupture of the two sheets at the tear off line. The bag's chamber is thus sterile when the sample is introduced therein and the bag and its contents can then be inserted in the blender.

Abstract: A system determines the development status of a mass such as bread dough in a powered mixer by applying a set of expert rules to qualitative variables determined from the elapsed mixing time and instantaneous power flow to the mixer over time. The preferred apparatus includes a monitor for tracking the instantaneous power flow coupled with a computer for determining the variables and applying the rules stored in computer memory.

Abstract: New apparatus and methods are provided for the uniform mixing and dispersion of highly viscous flowable pastes, such apparatus comprising a body with a flow passage that is kept full of the material by pumping it under pressure. The passage is of constant flow cross-sectional area along its operative length and the ratio of its dimensions at right angles to one another changes cyclically and repeatedly along its length between a lower value and a higher value. In each stage each increase in ratio produces spreading deformation of the material from a compact mass to a thin sheet moving between closely spaced passage surfaces, and viscous shear in the material, while each decrease returns the moving material to a compact mass; the passage preferably has from 10 to 25 stages. Preferably, a rotatable core member extends through the passage so that it is annular, its rotation increasing the shear in the material above a minimum required for rheological plastic flow to facilitate the flow through the passage.

Abstract: An apparatus for continuous polymerization of vinyl chloride or a vinyl chloride-based monomeric mixture, comprising a pre-mixer 1 for preparing an aqueous suspension of the vinyl chloride or vinyl chloride-based monomeric mixture, and a polymer slurry tank 5 connected to the pre-mixer 1 through a polymerization passage comprising a piping 3, wherein a pump comprising a conical hub and an impeller mounted thereon comprised of a single spiral blade is used for drawing out the aqueous suspension from the pre-mixer into the polymerization passage and for discharging a polymer slurry formed in the passage into the slurry tank, and the polymerization passage has a length sufficient for permitting the vinyl chloride or vinyl chloride-based monomeric mixture contained in the aqueous suspension flowing through the passage to be polymerized to a predetermined extent while passing through the passage.

Abstract: The present invention aims to evenly and surely knead a concrete material comprising less water amount. Concrete material layer entered into a kneading tank is cut in an up-and-down direction and divided into a plurality of layer sections arrayed side by side along a right-and-left direction, and one of the divided layer sections is piled up another one of the divided layer sections in the up-and-down direction, then piled up concrete layer sections are compacted, in other words are pressed in the up-and-down direction and extended in a horizontal direction, and further these steps are repeated.

Abstract: A process for the preparation of colored dispersions which comprises adding colorant, a liquid vehicle, a free radical initiator, and a stable free radical agent to a microfluidizer; heating at a temperature of from about 100 to about 160.degree. C.; and thereafter, optionally cooling.