Abstract: A spanner head orientation positioning device comprises a spanner head, a handle, and a buckle. One end of the spanner head has a convex pivotal end. The pivotal end has an axial hole; and one outer end of the pivotal end has an inclined cambered surface. The buckle is installed between the spanner head and the handle and is a block; one end of the buckle with respect to the spanner head is formed with a concave cambered surface. The cambered surface has a configuration corresponding to the inclined cambered surface of the handle. Thereby, by above components, the buckle slides between two sides of the concave cambered surface, and thus an orientation of the handle is adjustable.

Abstract: A pair of locking pliers includes a first jaw, a first handle, a second jaw, a second handle, a toggle, an adjusting screw, a release lever, a spring, and a soft jacket. The first handle extends from the first jaw and includes a space defined therein. The second jaw is pivotally connected with the first jaw. The second handle is pivotally connected with the second jaw. The toggle includes a first end pivotally connected with the second handle and a second end inserted into the space of the first handle. The adjusting screw includes an end driven into the space of the first handle for abutment against the second end of the toggle. The release lever is pivotally connected with the second handle. The release lever includes a first end for abutment against the toggle and a second end to be pressed by a user. The spring includes an end secured to the first handle and an opposite end secured to the second jaw. The soft jacket wraps up the second handle and the release lever.

Abstract: The present invention provides a blind cutting size setting mechanism and a blind cutting size setting method of the same for a blind cutting machine. The blind cutting size setting mechanism includes a base frame, a motor fixedly mounted on the base frame, a locating frame, the locating frame having an open frame body fixedly fastened to the base frame and a transmission screw rod fastened pivotally with the open frame body and coupled to the motor and two guide rods fixedly fastened to the open frame body, and a positioning control unit adapted to move in the locating frame between a start position and an end position upon operation of the motor to stop the blind to be cut in position for cutting, the positioning control unit having a screw hole and two through hole respectively coupled to the transmission screw rod and guide rod of the locating frame for enabling the positioning control unit to be moved along the guide rods upon rotary motion of the transmission screw rod.

Abstract: A miter saw including a base, a table rotatably attached to the base, a saw assembly movable between a front position and a rear position, the saw assembly comprising a trunnion, a pivot arm pivotally attached to the trunnion, an upper blade guard connected to the pivot arm, a motor attached to the upper blade guard, and a blade driven by the motor, a support housing connected to one of the table and the saw assembly, at least one rail slidably connected to one of the table and the support housing, and a fence assembly attached to the base, the fence assembly comprising a fixed fence fixedly attached to the base, a movable fence movably connected to the fixed fence, the movable fence defining a first support plane, and an auxiliary fence disposed behind at least one of the fixed fence and the movable fence, the auxiliary fence defining a second support plane substantially parallel to the first support plane.

Abstract: A miter saw includes a base, a table rotatably attached to the base, a support housing connected to the table, a saw assembly connected to the support housing, the saw assembly comprising a pivot arm, an upper blade guard connected to the pivot arm, a motor attached to the upper blade guard, and a blade driven by the motor, and a dust collector having a main body, wherein at least one slot is disposed on the main body.

Abstract: The cutting tool for materials, in particular made of polyurethane elastomers, which is controllable manually or program-controlled; comprising a cutting head (10) with a driving device (20), a blade holder (30) with a cutting knife (35) has at least one cutting head, whereby the driving device (20) is configured in a way known in itself or consists of a driving motor (21) with a drive shaft (22) running in cutting head longitudinal axis (L), a cam disk actively connected with the drive shaft (22) of the driving motor (21), driven rotating about the drive shaft longitudinal axis (L2), with control surfaces (40, 41) configured on the side (25a) opposed to the driving motor (21) and lying in different planes, a roller (26) actively connected with one of the control surfaces (40.

Abstract: An automatic workpiece fixture is installed in a blind cutting machine having a cutter unit driven by a power drive to move reciprocally for cutting a blind, and is adapted to be driven by the power drive to hold down the blind in a cutting procedure of the cutter unit. The automatic workpiece fixture includes a retainer connected to the cutter unit of the blind cutting machine for synchronous movement with the cutter unit, a push rod coupled to the retainer and held by a predetermined pressure from the retainer for movement with the retainer, and a holding down block fixedly fastened to one end of the push rod and adapted to hold down the blind when being cut.

Abstract: A machine for piercing sheets of material with an adjustable apparatus, acting as a stop to the moveable cutting die thereby varying the amount of the punch pattern cut into a sheet of material being punched. The moveable cutting die is designed with a cutting surface so that the adjustable apparatus can vary the amount and pattern of that die cut by the cutting surface into the sheet of material. A frame holds the adjustable apparatus, the moveable punch cutting die and a hole aligned to the moveable cutting die with the hole allowing motion of the moveable cutting die. A slot in the frame extending partially through the frame accepts and restrains the sheet of the material. A hand actuated assembly activates the moveable cutting die moving the cutting die to where it contacts and cuts the sheet of the material in the slot.

Abstract: A band saw blade stabilizer for stabilizing a moving band saw blade of a band saw appliance. The blade stabilizer includes two opposing guide structures situated to form a passage there between within which the saw blade travels while the guide structures limit lateral motion thereof. An attachment mount is included for securing the guide structures above a standard work table. Preferably, at least one of the guide structures is provided with an adjustor for selective lateral movement thereof for selective change of passage width. The stabilizer can additionally include a thrust bearing situated behind the blade for limiting rearward movement thereof as can occur when a workpiece is cut. In this manner, traditional band saw appliance utility is maintained while precision-cutting versatility is enhanced as lateral and longitudinal blade movement is controlled with precision.

Abstract: An improved drumhead and tensioning apparatus comprising a flat annular hoop having a generally flat upper member and a generally flat lower member parallel to and spaced apart from the flat upper member. Disposed and secured between the flat upper and lower members is a material for constituting a drumming surface which is entirely planar and when joined with the annular hoop, forms a generally uniformly flat drumhead. Around the periphery of the drumhead are a plurality of openings for receiving tensioning bolts with threaded ends. Also provided are a generally flat annular counterhoop and a suspension ring with each having a plurality of spaced apart openings for receiving and engaging the tensioning bolts. The suspension ring includes a vertically projecting collar member with an upper edge portion, which is integrally formed with the suspension ring as a single, unitary component.

Abstract: A pedal free cymbal device that includes a shaft extending along an axis and two cymbals coaxially mounted on the shaft so that one of the cymbals is moveable in relation to the other. A triggering mechanism lever in this case is coupled to the shaft for displacing the moveable cymbal into engagement with one another. The lever is secured to the shaft and whose end is extended past the cymbals enabling the user to actuate the lever with any part of his or her hands or arms.

Abstract: A digital guitar processing circuit includes a guitar converter circuit and a guitar formatting circuit. The guitar converter circuit receives one or more analog string signals representative of the string vibrations of a guitar and generates one or more digital string signals based upon the analog string signals. The guitar formatting circuit formats the digital string signals to be compatible with a digital communication protocol, and outputs the formatted digital string signals.

Abstract: The gun may have a receiver element with a barrel extending forwardly from the receiver element with the barrel having a chamber end and a discharge end. A handle element may be attached to the receiver element and a trigger assembly may be integrated with the handle element. The receiver element may have a bolt carrier chamber formed therein and a bolt carrier assembly slidably disposed in the bolt carrier chamber. The bolt carrier chamber at a rearward portion thereof and the bolt carrier assembly may define a gas chamber. A bolt assembly may be slidably disposed in the bolt carrier assembly. An actuator may be slidably engaged with the receiver element and may be engageable with the bolt carrier assembly and the bolt assembly. A firing pin assembly may be slidably disposed in said bolt assembly and may have a firing assembly in communication with said trigger assembly.

Abstract: A swash plate compressor comprises a swash plate located for rotation in a housing and a compression unit that forms a part of the housing. The compression unit has cylinder bores that guide pistons in reciprocation as the swash plate rotates. Each cylinder bore has a cross section formed of any other closed curve than a circle. The closed curve is defined by curve elements and straight elements.

Abstract: A wheel cylinder for engaging a brake shoe according to which at least one piston is disposed in the bore of a body member and is adapted to move outwardly in response to a predetermined fluid pressure in the bore into engagement with a brake shoe.

Abstract: A hydropneumatic hybrid cylinder with tandem pistons and dampening hydraulic chambers disposed between them for combining pneumatically powered actuation with incompressible and controllable hydraulic dampening in order to achieve smooth displacement, rapid stopping and steady and accurate positioning of the cylinder in which hydraulic damping of a pneumatic actuator is achieved through utilizing positive-displacement hydraulic actuator means with zero volumetric differential.

Abstract: A piston rod-less linear drive having a drive part adapted for motion in the longitudinal direction of the housing, such drive part being kinematically coupled by way of an entraining member running in a longitudinal slot in the housing with a guide slide arranged externally on the housing for sliding movement. For the connection between the entraining member and the guide slide a force transmitting part is provided which has a coupling socket in which the entraining member interlockingly fits by means of a coupling section in the longitudinal direction of the housing.

Abstract: A system and a process for recovering high concentrations of methane from crude natural gas and solid waste landfill exhaust gas uses a sequential combination of a pressure swing adsorber unit operation to remove volatile organic compounds from the crude feed gas mixture followed by a membrane separation unit operation. The membrane separation uses a membrane which is selectively gas permeable to reject transmission of methane and thus to produce a permeate depleted in methane relative to the feed mixture. The permeate is also free of volatile organic compounds and is recycled to the pressure swing adsorber unit operation to regenerate saturated adsorbers.

Abstract: A method of mixing two or more dissimilar fluids such a gas and a liquid is provided. The method includes the steps of introducing one fluid into the other to form a mixture, inducing cavitation in the mixture to reduce at least one of the fluids to a large number of relatively small units, and distributing the small units uniformly throughout the mixture. In a preferred embodiment, the step of inducing cavitation comprises introducing the mixture into a chamber having a rotating disk formed with a plurality of irregularities such as bores. The irregularities on the rotating disk induce cavitation in the mixture. The cavitation also breaks down van der Waals attractions within the mixture to enhance mixing.

Abstract: A system for removing substantially all particular material from an air flow through a passage provides the air flow passage with an area of enlarged circumference containing a coaxially mounted cyclone fan and stationary vanes. The cyclone fan includes a motor driving a cage provided with a plurality of vanes. The stationary vanes are shaped similar to like vanes on the cyclone fan, but are turned in the reverse direction.

Abstract: A method of separating particles from particle laden air is described. The apparatus employed is a multiple stage separator in which the first stage comprises a generally cylindrical chamber (18) having a hollow central member (50) extending axially from one end thereof with openings (53) in its wall remote from the said one end. The first separation step is achieved by introducing air tangentially into the chamber (18) near its said one end, the tangential entry in combination with an unapertured region of the wall of the central member (50) establishing a rotating mass of air in the chamber, thereby causing heavier than air particles to migrate to the outer regions of the chamber (18) under centrifugal force. Suction is applied to the interior of the central member (50) to cause an axial movement of air through the chamber before it can exit through the openings (53) in the wall of the central member (50).

Abstract: The invention relates to a method and apparatus for separating two phases from each other. According to the invention, a stream made up of at least two phases is directed to a separation apparatus, which comprises a separation container (25) and cyclones (26) arranged in the flow direction in parallel and in succession, the cyclones having each an elongate separation chamber wherein the phases are separated from each other. According to the invention, the cyclones used are multi-inlet cyclones (26), the total number of which is at least 10. The stream to be treated is directed to each multi-inlet cyclone (26) in a substantially radial direction. Through the placement of a large number of multi-inlet cyclones in parallel, a purification element resembling a filter is obtained.

Abstract: A filter element is includes a cylindrical media pack defining a central open volume and a longitudinal axis; a first end cap having a central aperture in flow communication with the central open volume; and a second, closed end cap having a central region closing an end of the media pack central, open volume. The closed end cap includes a projection extending axially outwardly therefrom and positioned at a location intersected by the longitudinal axis. An end cover for an air cleaner includes an inner side including a central projection thereon. Preferably, the central projection comprises a wall that includes an outer perimeter defining a regular polyhedron having at least five sides. An air cleaner comprises a cylindrical filter element having a first open end cap, a second closed end cap, and a cylindrical media pack extending therebetween. The first end cap defines an internal radial seal region. The second, closed end cap has a central region including a circular recessed portion.

Abstract: The present invention is directed to a filter cleaning device, in particular, diesel particulate filters. In one embodiment, the device comprises a source of high pressure fluid and means to transport the fluid to a nozzle or nozzles; an actuator for moving the nozzles; a controller with logic for instructing the actuator to automatically move the nozzle or nozzles across the surface of the filter; a collection device and suction device downstream of the filter; and ducting to transport the fluid between parts of the system. In one embodiment, a second collection device is used downstream of the suction device to provide additional particulate removal. There are three methods proposed for providing high pressure cleaning fluid to the filter face: 1) rotating the filter and rotating the jet about an axis outside of the filter; 2) moving a nozzle in two perpendicular directions (i.e., x-y); and 3) rotating a rectangular nozzle about the central axis of the filter.

Abstract: A fume-treating device and fume ducting system for cooker hoods is disclosed. The top section of the bottom fume passage is mounted with a top fume passage and the side of the bottom fume passage is at least a bottom fume-suction inlet, which is a detachable structure. The top section of the top fume passage corresponding to the top section of a stove is provided with a top fume suction inlet. The apparatus is suitable for use in a site where large amount of fume is discharged. The bottom fume outlet corresponding to the inner side of the fume passage is provided with a fume filter. The rising fume passes through an active carbon filter before it is discharged to the environment.

Abstract: An air filter device is installed on an exhaust device. The air filter device includes a filter net and one or more ultraviolet light-emitting diodes (UV LEDs). The filter net is disposed at an air passageway of the exhaust device. The UV LED is disposed on the exhaust device and located at one side of the filter net to irradiate UV light toward the filter net, hence accomplishing filtering and sterilizing effects to the air passing through the exhaust device and thus improving the quality of indoor air.

Abstract: Disclosed is a beverage dispenser of the type for dispensing beverage into a server. The dispenser includes a housing having a body and an overhanging portion protruding from the housing. A dispensing area is defined between the overhanging portion of the body. The housing is configured for dispensing beverage therefrom. An extension is provided protruding from the body of the housing into the dispensing area. The extension is positioned proximate to an area which retains at least one server in the dispensing area. A void is defined in the dispensing area between the extension and the overhanging portion. The void helps facilitate ease of access to the dispenser and server as well as facilitating ease of access to the servers, removal and replacement of the servers as well as maintenance, repair, operation and other aspects of the dispenser.

Abstract: This invention is directed to an apparatus for brewing a beverage. The apparatus has a brew funnel, a key and an elevation device so that only one brand of beverage can be brewed to thereby prevent harm and confusion to consumers.

Abstract: The present application describes a popcorn maker including a self-regulating heating unit. The self-regulating heating unit provides a regulated heat to the popcorn maker. The self-regulating heating unit can be configured to maintain a predetermined temperature for the popcorn maker. The predetermined temperature can be adjusted to provide appropriate amount of heat to the popcorn maker for popping a maximum number of corn kernels while limiting the heat from causing damage to heating coils and thermoplastic parts of the popcorn maker. The self-regulating heating unit includes a positive temperature coefficient heater.

Abstract: An apparatus and a method automatically cook food, for example, a hulled grain such as buckwheat, thereby conveniently providing the uniform and optimal cooking quality of the food to a user. The cooking apparatus includes a cooking cavity that contains food to be cooked and water therein, and a heating unit that heats the food and the water. The cooking apparatus further includes a control unit operated in such a way as to heat the food and the water at a preset initial output of the heating unit, first to reduce the output of the heating unit to a first reduced output and allow the heated high temperature water to be absorbed into the food after a first preset time has elapsed, and second, to reduce the output of the heating unit to a second reduced output and cook an inside of the food using the high temperature water absorbed into the food after the water has simmered.

Abstract: A domestic fryer assembly and method of using which includes interconnected shell and cooking pot with the shell having an interior cavity receiving the cooking pot. A heating unit as in a resistance bar heater unit is supported by the combination shell and cooking pot and extends down into the cooking pot and features a generally horizontal portion suspended above the cooking pot bottom and preferably having a configuration of a horse-shoe with outer curved sides that generally follow the curvature of the supporting pot. The cooking pot is designed to hold sufficient cooking fluid to provide for deep frying relatively large single item food pieces as in a whole turkey of, for example, 8 to 18 pounds. The food item is preferably retained in a cooking basket that is dimensioned for insertion into the cooking pot. The cooking pot also preferably includes one or more volume reduction step-ins such as a bottom or lower one for doubling as a cooking basket support and/or an upper annular ledge step-in in the pot.

Abstract: The filter-holder comprises a cylindrical cup (1), a filtration chamber (4) delimited by the internal sidewall (5) of the cup and a perforated bottom (6) provided with a grille (7), a bowl (9) for collecting the infusion disposed below the grille (7) and provided with evacuation means (11) for the infusion, as well as at least two outlet pipes for the pipes (15, 16) for the infusion.

Abstract: A vegetable cutter (10) having a lower housing part (14) is described, which has a knife (16) on its underside and receives a rotatable inner body (18) with a cutting grid (20), the inner body (18) being fillable with the vegetable, in particular garlic (22). Furthermore, an upper housing part (12) with a ram disposed on a spindle (24) is provided and in the operating state plunges into the inner body (18) and upon rotation of the upper housing part (12) relative to the lower housing part (14) executes an axial motion counter to the cutting device (20). Furthermore, the vegetable cutter (10) includes means (28), which in the operating state assure engagement with a thread of the spindle (24) and in the open state allow a free axial displacement of the spindle (24) and ram (26). The means (28) are connected to the upper housing part (12), and that the spindle (24) is guided axially displaceably on the upper housing part (12) (FIG. 5).

Abstract: A food product cutting apparatus that makes a substantially horizontal cut through food product being delivered in a substantially vertical direction. The food product is delivered to a cutting device through an internal passage of at least one feed member above the cutting device. A force is applied to the food product traveling downward through the internal passage so as to push the food product against a first wall of the feed member. The apparatus is configured to improve product flow by configuring the passage of the feed member to have a cross-sectional shape defined by two offset, overlapping diameters. The apparatus is also configured for improved safety by ensuring that the cutting device is properly secured before electrical power is available for driving the cutting device.

Abstract: A main drive and convert mechanism in a platen press with a flat auto-die for cutting and gilding including a machine mount, a power platen as well as four sets of upper shaft seats and toggle rod upper shafts connected with the power platen is characterized that four sets of conjugate cams and four sets of lower toggle rod drive gears are installed between the four sets of toggle rod upper shafts and the machine mount. The advantages of the present invention are that, first, converting the rotary movement of the conjugate cams to an up-and-down linear movement of the power platen thereby accelerating the ascending and descending speed of the power platen as well as having special pressing time for continuously pressing convexes and gilding. Second, enhancing the process quality and quantity as well as the production effect. Third, being excellent practicality, economies and potential developing prospects.

Abstract: A sealable vacuum chamber has an outlet. A template within the chamber includes flow guides for guiding colorant under vacuum across and into porous material when in contact therewith toward the outlet to create a pattern in the porous material. The flow guides allow for at least slight variation in the pattern without being altered.

Abstract: A direct-to-press imaging method comprises:

Abstract: A printer includes a cylinder pair that consists of a forme cylinder and a transfer cylinder. A satellite or steel cylinder forms a print position as it cooperates with the transfer cylinder of the cylinder pair. The forme cylinder and the transfer cylinder are a fixed coupling drive assembly which is driven by a common drive motor. The drive assembly of the cylinder pair and a drive system for the satellite or steel cylinder can be selectively mechanically coupled with each other by use of a coupling.

Abstract: A printing system is disclosed including an inking system with a single form roller for applying ink to a printing cylinder. Ink is applied to the form roller by an applicator roller having a surface with an array of interconnected wells and a variable speed drive. The form roller and plate cylinder are rotated at the same rpm while the speed of the applicator roller is varied to vary the amount of ink applied to the plate. A variable speed subtractive roller system removes excess ink from the form roller and returns the ink to a common reservoir. For wash-up, the press drive and form roller are disengaged and the inking system is rotated by an inker roller drive while wash-up fluid is applied to the inking system.

Abstract: A gapless printing system includes a cylinder assembly and a printing sleeve. The cylinder assembly includes a compressible layer located between an inner shell and an outer shell. A support carrier is coupled to the inner shell about each of the first and second end portions and is adapted such that the cylinder assembly is mountable in a printing press. A printing sleeve is removably attachable to the cylinder assembly by installing the printing sleeve over the outer shell such that when the printing sleeve is mounted on the cylinder assembly, lateral and rotational motion of the printing sleeve with respect to the cylinder assembly is prevented.

Abstract: Disclosed is a printing plate material comprising a substrate and a component layer provided thereon, the substrate having a center line average surface roughness Ra of from 0.2 to 1.0 &mgr;m, and an oil-retention volume A2 of from 1 to 10, wherein the center line average surface roughness Ra is obtained from three dimension surface roughness measurement according to JIS-B-0601, and wherein an image is capable of being recorded on the component layer by imagewise exposure of infrared laser.

Abstract: A method for forming a printing plate from a printing plate precursor having a radiation-sensitive layer, sensitive to radiation in a first frequency spectrum such as the far or near infrared, and to radiation in a second frequency spectrum other than the first frequency spectrum such as visible or ultraviolet. The plate is exposed twice. Once to imaging radiation in the first frequency spectrum and again to radiation in the second frequency spectrum. The second frequency spectrum exposure is done only to the areas of the plate undesirably shaded during the imagewise exposure.

Abstract: A positioning device for functional devices of printing presses, having at least one guide unit and one drive for moving and positioning the functional device for throwing-on/throwing-off movements with regard to impression cylinders. Weight compensation means are provided for the vertical displacement, so that the drive can be at least partially relieved of the weight of the functional device.

Abstract: An electrical circuit is provided with a substrate, preferably of synthetic polymer or coated paper, and an electrical circuit letterpress printed onto the substrate from ink comprising of electrical particles suspended in a resin. The resin may be an organic resin such as a soy resin, and the electrical particles may be electrically conductive such as metallic silver. The manufacture of conductors, resistors, capacitors and other electrical components is proposed. The circuit printing process is reliable and comparatively inexpensive and does not suffer from the inherent limitations of other additive printing processes.

Abstract: The printing apparatus includes a press unit having at least one ink roller and a solvent delivery system. The ink roller has a center print area and, on one end or both ends, a non-print area. The solvent delivery system has an opening through which a suitable tack-reducing solvent for the ink is delivered to the non-print areas of the ink roller. In the printing process, tack-reducing solvent is delivered to the non-print areas of ink rollers of a printing press during operation of the press to keep the rollers free of dried, tacky ink build-up. The process uses a combination of ink and tack-reducing solvent compatible with the ink.

Abstract: A method is known of compensating for misregistration during operation of a printing press, in particular a sheet-fed offset printing press, in which misregistration occurring in the individual printing units are countered by register corrections. In order to provide a simple method to reduce misregisters after a pause in printing and in particular after washing of the rubber blanket cylinder, the pattern of the misregistration (PD) after a pause in printing is determined in a calibration phase over a sufficient number of sheets, data as a function of the pattern of the misregistration is stored in a memory unit (15) so that register correction values (Ki) may be determined and the register correction values are applied to the printing press upon restart after the pause in printing in order to compensate for the misregistration.

Abstract: The present invention provides an igniter for an air bag system in which the whole weight can be reduced.

Abstract: A model electric train car possessing various movable parts which allow the train car's pivotally-mounted truck and coupler assembly to maneuver around tight curves without interference from model train steps, skirts or other train car parts in close proximity to the train coupler, thereby, avoiding derailment of the toy train. The steps, skirts or other train parts to swing, slide, rotate, or otherwise move away from the truck and coupler assembly, being attached to the train car by pins, hinges, slides, snap connectors or the like to allow the free movement of the train parts.

Abstract: A paste for electroless plating 1′ comprises (a) a minute catalytic powder 11 at least the surface of which is formed by a catalytic metal or a metal capable of substituting for the catalytic metal and (b) a vehicle 10 in which the catalytic powder 11 is dispersed. The paste is used to form a film. A method that plates the film by electroless plating produces a metallic structured body, a micrometallic component, and a conductor circuit, all having a uniform crystal structure unattainable by electroplating using a conductive paste.

Abstract: Disclosed herein is a waterproof admixture composition for concrete which is added to fabricate concrete having excellent anti-corrosive performance. The waterproof admixture composition can protect reinforcing steel bars against oxidation in the presence of salt, thereby ensuring excellent anti-corrosive performance and thus greatly improving the durability of reinforced concrete even in salt-damaged areas and corrosive environments and the like by inhibiting the corrosion of the reinforced concrete. The waterproof admixture composition comprises fly ash and silica fume as artificial pozzolan activators, a redispersible powders resin, a higher fatty acid-based metal salt and a high performance water-reducing agent wherein the composition further comprises 18 to 34% by weight of an inorganic salt and 1 to 5% by weight of tannin as an antioxidant, based on the total weight of the composition.