Abstract: The present invention relates to high strength, oxidation and wear resistant titanium-silicon base alloy containing: 2.5-12 wt % Si 0-5 wt % Al 0-0.5% B 0-2% Cr 0-1 wt % rare earth metals and/or scandium balance Ti with unavoidable impurities.

Abstract: A functionally graded cemented tungsten carbide material produced via heat treating a sintered cemented tungsten carbide is disclosed and described. The heat treating process comprises at least a step that heats the sintered material to the multi-phase temperature range in which multiple phases including solid tungsten carbide, liquid metal binder, and solid metal binder coexist. Additionally, the material, after the heat treating process comprises a surface layer with lower metal binder content than the nominal value of metal binder content of the bulk of the material. The material is used to make tools for rock drilling, machining of metal alloys, and machining of non-metallic materials. The material can also be used to make engineered wear parts that are used in mechanical systems and applications where wear resistance is required or desired.

Abstract: A continuous annealing furnace for annealing steel strips that is a vertical-type annealing furnace is configured so that part of gas inside the furnace is drawn and introduced to a refiner disposed outside the furnace including an oxygen removing apparatus and a dehumidifying apparatus, oxygen and moisture contained in the gas are removed to lower the dew point of the gas, and the gas having a lowered dew point is put back into the furnace. At least one gas inlet through which gas is drawn from the furnace into the refiner is disposed in the vicinity of the entry side of the furnace at a distance of 6 m or less in the vertical direction and 3 m or less in the furnace-length direction from the steel-strip-introduction section located at the lower part of the heating zone.

Abstract: A thermal spray material includes granules of an oxyfluoride of yttrium (YOF). The granules may contain a fluoride of yttrium (YF3). The granules preferably have an oxygen content of 0.3 to 13.1 mass %. The granules preferably have a fracture strength of 0.3 MPa or more and less than 10 MPa. Part of yttrium (Y) of the granules may be displaced with at least one rare earth element (Ln) except yttrium, the molar fraction of Ln relative to the sum of Y and Ln being preferably 0.2 or less.

Abstract: The present invention refers to a piston ring for internal combustion engine, having an outer surface of a coating of Chromium Nitride (CrN and Cr2N) and Niobium Nitride (NbN and Nb4N3), capable of offering greater resistance to peeling of the coating, also maintaining an excellent level of resistance to wear and tear and scratches to the layer of Chromium Nitride deposited.

Abstract: A cutting tool insert for machining by chip removal includes a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel, onto which a hard and wear resistant coating is deposited. The coating includes at least one polycrystalline nanolaminated structure having sequences of alternating A and B layers, wherein layer A is (Alx1Mel1-x1)Ny1 with 0.3<x1<0.95, 0.9<y1<1.1 and Me1 is one or more of the elements Ti, Y, V, Nb, Mo, Si and W, or Me1 is Ti and one or more of the following elements Y, V, Nb, Mo, Si, Cr and W, and layer B is (Zr1-x2-z2Six2Me2z2)Ny2 with 0<x2<0.30, 0.90<y2<1.20, 0?z2<0.25 and Me2 is one or more of the elements Y, Ti, Nb, Ta, Cr, Mo, W and Al.

Abstract: An organic film deposition apparatus includes: a deposition source that discharges a deposition material; a deposition source nozzle unit located at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; a patterning slit sheet spaced apart from the deposition source nozzle unit and having a plurality of patterning slits arranged in a second direction perpendicular to the first direction; a first blocking member between the substrate and the deposition source and movable together with the substrate to be positioned to screen at least a part of the substrate; and a second blocking member between the first blocking member and the substrate and fixedly held relative to the deposition source, wherein the substrate is spaced apart from the organic film deposition apparatus and at least one of the substrate or the organic film deposition apparatus moves relative to the other.

Abstract: [Problem] To suppress the generation of particles by reducing the average particle diameter to several dozen ?m or less. [Solution] After forming a preform of a tungsten powder, the preform is sintered. The preform is formed so as to have a relative density of 70-90% (inclusive) and an oxygen content of 100-500 ppm (inclusive). The sintering is carried out by a hot isostatic pressing method at 1,700-1,850° C. (inclusive). Consequently, a tungsten target which has an average particle diameter of 20 ?m or less with a standard deviation of 10 ?m or less, a relative density of 99% or more and an oxygen content of 10 ppm or less can be obtained. This tungsten target is capable of significantly reducing the generation of particles during sputtering.

Abstract: An apparatus for coating a substrate is provided that includes a racetrack-shaped plasma source having two straight portions and at least one terminal turnaround portion connecting said straight portions. A tubular target formed of a target material that forms a component of the coating has an end. The target is in proximity to the plasma source for sputtering of the target material. The target is secured to a tubular backing cathode, with both being rotatable about a central axis. A set of magnets are arranged inside the cathode to move an erosion zone aligned with the terminal turnaround toward the end of the target as the target is utilized to deposit the coating on the substrate. Target utilization of up to 87 weight percent the initial target weight is achieved.

Abstract: A method for depositing a film in a substrate processing system includes arranging a substrate on a pedestal in a processing chamber, heating the substrate to a temperature within a predetermined temperature range, and supplying a gas mixture to the processing chamber for a predetermined period to deposit the film on the substrate, wherein the gas mixture includes a first precursor gas, ammonia gas and diborane gas.

Abstract: A device for performing ALD includes a housing having a vacuum chamber that surrounds a horizontal flow reactor. The device further includes a gas distribution system for delivering gases to the reactor. The gas distribution system includes at least one of a high temperature valve and a high temperature filter disposed inside the vacuum chamber. The high temperature valve (and/or filter) controls (and/or filters) a supply of a precursor/reactant gas, inert gas, or precursor/reactant and inert gas mixture before it enters the horizontal flow reactor.

Abstract: A chemical vapor deposition reactor and a method of wafer processing are provided. The reactor can include a reaction chamber having an interior and an entry port for insertion and removal of substrates, a gas inlet manifold communicating with the interior of the chamber for admitting process gasses to form a deposit on substrates held within the interior, a shutter mounted to the chamber, and one or more cleaning elements mounted within the chamber. The shutter can be movable between (i) a run position in which the cleaning elements are remote from the exhaust channel and (ii) a cleaning position in which the one or more cleaning elements engage with the shutter so that the cleaning elements remove deposited particles from the shutter upon movement of the shutter to the cleaning position.

Abstract: A substrate processing system includes a showerhead that comprises a base portion and a stem portion and that delivers precursor gas to a chamber. A collar connects the showerhead to an upper surface of the chamber. The collar includes a plurality of slots, is arranged around the stem portion of the showerhead, and directs purge gas through the plurality of slots into a region between the base portion of the showerhead and the upper surface of the chamber.

Abstract: A method of forming an etching mask structure on an insulating film containing silicon and oxygen includes forming a first silicon film on the insulating film formed on a substrate, forming a reaction blocking layer on a surface layer of the first silicon film, forming a second silicon film on the reaction blocking layer; and forming a tungsten film by replacing silicon of the second silicon film with tungsten by supplying a process gas containing a tungsten compound onto the second silicon film.

Abstract: A method for processing a substrate using a substrate processing apparatus is provided. The substrate processing apparatus includes a process chamber and a rotatable turntable having a substrate receiving part provided in the process chamber. In the method, a substrate is placed on a substrate receiving part, and the substrate is processed by supplying process gases into the process chamber. At least a water vapor is supplied into the chamber when the substrate is placed on the substrate receiving part. After that, the substrate is carried out of the process chamber.

Abstract: There is provided a method of electroless gold plating, wherein the method includes a step of forming an underlying alloy layer on a base material and a step of forming a gold plate layer directly on the underlying alloy layer by means of electroless reduction plating using a cyanide-free gold plating bath, wherein the method is characterized in that the underlying alloy layer is formed of an M1-M2-M3 alloy (where M1 is at least one element selected from Ni, Fe, Co, Cu, Zn and Sn, M2 is at least one element selected from Pd, Re, Pt, Rh, Ag and Ru, and M3 is at least one element selected from P and B).

Abstract: An electrochemical liquid-liquid-solid (LLS) process that produces unlimited amounts of crystalline semiconductor, such as Ge or Si, from aqueous or polar solutions with tunable nanostructured shapes without any physical or chemical templating agent is presented. Dissolution into, saturation within, and precipitation of the semiconductor from a liquid electrode (e.g., Hg pool) or near an electrode comprising metallic nanoparticles (e.g., In nanoparticles) yields a polycrystalline semiconductor material, as deposited. Such a process can be conducted at conditions, in a single step, and under electrochemical control, while affording control over formation of a variety of material morphologies. Materials formed by such processes are also provided.

Abstract: A method to provide an article of manufacture of iron oxide on indium tin oxide for solar energy conversion. An atomic layer epitaxy method is used to deposit an uncommon bixbytite-phase iron (III) oxide (?-Fe2O3) which is deposited at low temperatures to provide 99% phase pure ?-Fe2O3 thin films on indium tin oxide. Subsequent annealing produces pure ?-Fe2O3 with well-defined epitaxy via a topotactic transition. These highly crystalline films in the ultra thin film limit enable high efficiency photoelectrochemical chemical water splitting.

Abstract: The invention relates to a device for the metered feeding of stock into an aluminum electrolyzer. The device comprises a hopper for the material to be metered, a metering chamber with a rod having a pneumatic drive, an upper shut-off element which is rigidly fixed on the rod in the upper part of the metering chamber and is in the form of a valve, a lower shut-off element which is fixed on the end of the rod and is in the form of a cone valve with a conical cover, and charging apertures which are arranged around the perimeter in the upper part of the dosing chamber above the base of the hopper. The upper limits of the charging apertures are arranged above the upper position of the valve, and the distance from the base of the cone valve to the lower section of the metering chamber in an upper position of the rod is not less than the distance from the lower surface of the upper shut-off element to the lower limit of the charging apertures.

Abstract: An electrolytic cathode assembly includes a hollow hanger bar, and a deposition plate including an upper edge attached to the hanger bar. The hanger bar can be formed substantially of copper. At least one supporting element can be configured to support the hanger bar. The supporting element(s) can be internally disposed within the hanger bar, and can extend partially between bar ends of the hanger bar. The supporting element(s) can include first and second supporting elements, with each disposed adjacent to a respective one of the bar ends. The hanger bar can include an overhanging portion, and the supporting element(s) can be at least partially disposed within the overhanging portion. The supporting element(s) can include an inward end that is offset inwardly relative to the plate edges of the deposition plate.

Abstract: A button or fastener member is provided wherein aluminum or an aluminum alloy is used as raw material, a first copper plating layer is formed directly over the entire surface of said raw material, and a second copper plating layer is formed directly on top of the first copper plating layer, with the aforementioned second copper plating layer being thicker than the aforementioned first copper plating layer.

Abstract: An electrochemical sensor system and membrane and method thereof for increased accuracy and effective life of electrochemical and enzyme sensors.

Abstract: A plating apparatus includes a processing bath configured to store a processing liquid therein, a transporter configured to immerse a substrate holder, holding a substrate, in the processing liquid, raise the substrate holder out of the processing bath, and transport the substrate holder in a horizontal direction, and a gas flow generator configured to generate a clean gas flow forward of the substrate with respect to a direction in which the substrate holder is transported. The transporter moves the gas flow generator together with the substrate holder in the horizontal direction while transporting the substrate holder in the horizontal direction.

Abstract: The present invention is to provide a substrate holder which can effect a more complete sealing with a sealing member and makes it possible to take a substrate out of the substrate holder easily and securely, and also a plating apparatus provided with the substrate holder. The substrate holder includes: a fixed holding member and a movable holding member for holding a substrate therebetween; a sealing member mounted to the fixed holding member or the movable holding member; and a suction pad for attracting a back surface of the substrate held between the fixed holding member and the movable holding member.

Abstract: The present invention provides a semiconductor crystal removal apparatus which realizes effective removal of a semiconductor crystal from a crucible through rapid melting of a solidified flux, and a method for producing a semiconductor crystal. The semiconductor crystal removal apparatus includes a crucible support for supporting a crucible so that the opening of the crucible is directed downward; a heater for heating the crucible supported on the crucible support; and a semiconductor crystal receiving net for receiving a semiconductor crystal falling from the opening of the crucible. The semiconductor crystal removal apparatus further includes a determination portion for determining removal of the semiconductor crystal on the basis of a change in weight through falling of the semiconductor crystal.

Abstract: A method for manufacturing a polycrystalline silicon ingot includes unidirectionally solidifying a molten silicon upwardly from the bottom of a crucible, wherein the crucible is provided with silica deposited on the bottom of the crusible; and then dividing the degree of solidification in the crucible into a first zone from 0 mm to X in height (10 mm?X<30 mm), a second zone from X to Y in height (30 mm?Y<100 mm) and a third zone of Y or more in height, based on the bottom of the crucible, wherein a solidification rate V1 in the first zone is set in the range of 10 mm/h?V1?20 mm/h and a solidification rate V2 in the second zone is set in the range of 1 mm/h?V2?5 mm/h.

Abstract: A manufacturing apparatus of a SiC single crystal which can suppress the generation of a polycrystal is provided. A jig (41) and a crucible (6) are accommodated in a chamber (1). A SiC solution (8) is housed in the crucible (6). The jig (41) includes a seed shaft (411) and a cover member (412). The seed shaft (411) can move up and down, and a SiC seed crystal (9) is attached to the lower surface thereof. The cover member (412) is attached to the lower end portion of the seed shaft (411). The cover member (412) is a housing which has an opening at its lower end, wherein the lower end portion of the seed shaft (411) is disposed in the cover member (412).

Abstract: In a method of forming polycrystalline SiC grain material, low-density, gas-permeable and vapor-permeable bulk carbon is positioned at a first location inside of a graphite crucible and a mixture of elemental silicon and elemental carbon is positioned at a second location inside of the graphite crucible. Thereafter, the mixture and the bulk carbon are heated to a first temperature below the melting point of the elemental Si to remove adsorbed gas, moisture and/or volatiles from the mixture and the bulk carbon. Next, the mixture and the bulk carbon are heated to a second temperature that causes the elemental Si and the elemental C to react forming as-synthesized SiC inside of the crucible. The as-synthesized SiC and the bulk carbon are then heated in a way to cause the as-synthesized SiC to sublime and produce vapors that migrate into, condense on and react with the bulk carbon forming polycrystalline SiC material.

Abstract: Provided are compositions and methods for preparing and identifying antibodies having CDR3s that vary in sequence and in length from very short to very long which in certain embodiments may bind to a carbohydrate moiety or the active site of an enzyme. Libraries coding for antibodies with the CDR3s are also provided. The libraries can be provided by modifying a pre-existing nucleic acid library.

Abstract: The invention relates to a spinneret for spinning threads from a spinning mass—in the form of a melt or solution of natural or synthetic origin—comprising a rotationally symmetrical spinneret. The rotationally symmetrical spinneret inner part is surrounded at least partially by a rotationally symmetrical outer part, wherein in the longitudinal direction between the spinneret inner part and outer part an insulating chamber is formed, in which a gas, preferably air, is received in order to form an insulating gas layer. The invention further relates to a spinning device for spinning threads from a spinning mass, comprising a spinneret part and a gas nozzle part arranged at a distance from the spinneret part. A plurality of spinnerets according to the invention are inserted in the spinneret part and project from the spinneret part, facing the gas nozzle part, and the gas nozzle part comprises a plurality of gas nozzles associated with the spinnerets.

Abstract: Provided is a para-type wholly aromatic copolyamide drawn fiber having a tensile elastic modulus of 630 cN/dtex or more. The fiber is obtained by subjecting a para-type wholly aromatic copolyamide raw material fiber to high-tension hot drawing under a tension and at a temperature within specific ranges.

Abstract: A thermal and electrical conducting apparatus includes a few-layer graphene film having a thickness D where D?1.5 nm and a plurality of carbon nanotubes crystallographically aligned with the few-layer graphene film.

Abstract: Provided are a method of producing an electrically conductive metal composite yarn applicable to a smart textile in which electrical, electronic and IT technologies are combined with an electronic circuit technology using fiber, an electrically conductive metal composite yarn produced by the method, and an embroidered circuit produced using the electrically conductive metal composite yarn, the method including: a first process of producing a covered yarn by wrapping a conductive yarn around a surface of a yarn; a second process of producing a twisted covered-yarn by additionally twisting the covered yarn produced through the first process; and a third process of producing a reinforced plied-yarn by wrapping a yarn around a surface of multiple strands of the twisted covered-yarn in a covered state to increase yield strength of the conductive yarn.

Abstract: A heat curable, circular knitted fabric includes reinforcing and meltable resin fibers that can be cured to form a more rigid material form. In one embodiment, the fabric includes a core spun yarn, wherein the core may be made from glass, carbon, basalt, aramid or metal. The wrap surrounding the core may include resin type fibers such as Poly(p-phenylene sulfide) PPS, Polyetherimide (PEI), Polyether ether ketone (PEEK), Polysulfone (PES), Polyphthalamide (PPA), nylon, polyester, or polypropylene.

Abstract: A steam-drawing apparatus has supply roll 1 that transfers carbon-fiber-precursor acrylic fiber bundle (T) in a transfer direction of fiber bundle (T); fiber-opening device 2 for opening fiber bundle (T); width control device 3 for controlling the width of fiber bundle (T); steam box 4 to provide steam for heating fiber bundle (T) to a temperature that allows fiber bundle (T) to be drawn; and haul-off roll 5 that transfers fiber bundle (T) at a speed faster than that of supply roll 1. Using width control device 3 provided at a position between supply roll 1 and steam box 4, the width of fiber bundle (T) after passing through width control device 3 is set to be 65˜110% of the width of fiber bundle (T) before entering the supply roll. The present invention proposes a method for producing a carbon-fiber-precursor acrylic fiber bundle using such a steam-drawing apparatus capable of conducting a high-speed drawing process of carbon-fiber-precursor acrylic fiber bundles at a high draw rate with stable results.

Abstract: A method of braiding a stent and associated braided stent. The method includes braiding a number of elongate filaments around a mandrel using tensioned braiding carriers without spooling the filaments to the tensioned braiding carriers to form a braided stent having atraumatic ends. The braided stent includes a plurality of filaments being inter-braided at a braiding angle formed at crossing filament locations. The braiding angle may be substantially constant for all of the filament crossing locations.

Abstract: A method and device are provided for strengthening, in particular needling, a continuously fed material web (21), wherein the material web is strengthened in a strengthening zone and is drawn out of the strengthening zone by a drawing apparatus (24). At least one parameter, in particular the material speed, of the strengthened material web (21) is detected in a guiding zone arranged downstream of the fastening zone and before the drawing apparatus (24) by a measuring apparatus (22), preferably without contact, and is optionally used to control the strengthening apparatus.

Abstract: Methods for forming a touch fastening material are described as including: providing a lengthwise-incoherent layer of staple fibers supported directly on a bed of bristle tips of a brush; needling the layer of staple fibers by cycling needles through the layer of staple fibers and into the brush; then, while the needled layer of staple fibers remains supported on the brush, fusing portions of the staple fibers by at least partially melting resin of the fibers disposed outside the brush; and then pulling the layer of fibers from the brush as a lengthwise-coherent touch fastening material having exposed fastening loops pulled from between the brush bristles.

Abstract: A washing control method that is capable of controlling laundry to be effectively washed with bubbles depending upon load of a washing machine. The washing control method includes supplying wash water containing detergent into a space between a lower portion of a rotary drum and a lower inner surface of a water tub; heating the wash water containing detergent; generating and supplying bubbles into the rotary drum; and washing laundry with the supplied bubbles.

Abstract: The invention relates to a system and a method taking advantage of the cleaning effect of pressurized cleaning fluid, typically water; and in a continuous process. Accordingly, a stream of cleaning fluid is generated and applied to the laundry via one or more nozzles, as the laundry passes by the nozzles. Advantages of the laundry system and method, without limitation, may include the following: (a) the system generally saves water, time and electricity; (b) washing time depends on the size of each laundry item; (c) there is no need to accumulate laundry rather it is efficient to wash even just one or a few laundry items; (d) there is no need to sort laundry items; and (e) using high pressure water may require less or no soap, thereby causing less pollution and saving money.

Abstract: A suspension for a washing machine and a washing machine with the suspension is disclosed. The suspension includes a support shaft; a first elastic member that surrounds a portion of the support shaft and provides a first elastic force to the support shaft in a longitudinal direction of the support shaft; a second elastic member between the support shaft and the first elastic member, and configured to provide a second elastic force different from the first elastic force to a support shaft in the same direction as the first elastic member; a guide stopper at one end of the support shaft, configured to restrict movement of the first elastic member and the second elastic member in one direction; and a housing on the support shaft that surrounds the first and second elastic members, configured to restrict movement of the first and second elastic members in another direction.

Abstract: An apparatus includes a first device to perform a first laundry treating operation and a second device to perform a second laundry treating operation. The first device has a first space to receive laundry through a first opening and the second device has a second space to receive laundry through a second opening. A controller controls the first and second devices to perform the first and second laundry treating operations respectively. The first device is coupled over the first device, and the first and second laundry treating operations are both washing operations or the first and second laundry treating operations are both drying operations.

Abstract: A washing machine capable of increasing the washing capacity without enlarging the external appearance and also discharging a washing water during a washing operation or a spin-dry operation while completely isolated from electronic parts and thus reducing the risk of a power failure and fire, the washing machine including a body, a rotating tub rotatably disposed inside the body, a pulsator rotatably disposed inside the rotating tub, a driving part provided on a lower portion of the rotating tub to selectively rotate the rotating tub and the pulsator, a base plate to which the driving part is fixed, wherein a waterproofing member is provided between the base plate and a bottom of the body to seal the driving part and to prevent water from reaching the driving part.

Abstract: An electrical ironing press comprising a meshed board and an iron board, in which the meshed board is fixedly connected with a base, the iron board is fixedly connected with a rocker arm, the base is hinged with the rocker arm, and the rocker arm is provided with a steam pipe; wherein the electrical ironing press also comprises a spring and link rods; the spring is connected with the rocker arm and the base and positioned therebetween; an end of each of the link rods is hinged with the base: another end of each of the link rods is slidably connected with the rocker arm; the electrical ironing press also comprises a locking device for locking the link rods; the steam pipe is provided with a steam regulating device. The electrical ironing press enables smooth opening and closing of the rocker arm; the iron board can also open with a sufficiently wide opening angle; users can use the electrical ironing press more safely and conveniently; amount of steam given out can also be freely adjustable by the users.

Abstract: A method of making a fiber comprised of poly(p-phenylene terephthalamide) having monomer groups grafted onto the fiber surface, the method comprising the steps of (i) providing a fiber of poly(p-phenylene terephthalamide) that has been dried to remove adsorbed moisture, (ii) treating the fiber, in a non-polar solvent that will not dissolve the fiber, with a phosphazene base that exhibits a pKa in dimethylsulfoxide of at least 21 so as to generate anions at the amide sites on the surface of the poly(p-phenylene terephthalamide) fiber, (iii) washing the base-activated fiber with an aprotic solvent, (iv) grafting a monomer onto the anion sites so as to introduce reactive functional groups onto the surface of the poly(p-phenylene terephthalamide) fiber, and (v) washing the grafted fiber of step (iv) with a protic solvent to extract any residual base compounds and grafting agents that are unbound to the surface of the fibers.

Abstract: The present invention relates to a spinfinish material and a production method thereof which comprises the steps of synthesizing the active compound (11), heating polymer (111), adding initiator (112), adding catalyst (113), performing the reaction (114), preparing the improving material (12), adding the improving material into the active component (13), obtaining the spinfinish material (14); which is applied on fiber during production of polymer fibers used as reinforcing material in tire technology, both improves the physical properties of fiber and makes the cord-rubber adhesion easier.

Abstract: The present invention provides processes for deconstructing biomass to produce aqueous and organic products using a solvent produced in a bioreforming reaction.

Abstract: The invention relates to methods of manufacturing nano pulp, wherein cellulose containing raw material is accelerated in a continuous gas and/or liquid flow, whereby the material is disintegrated and nano pulp is produced. The gas and/or liquid flow may be created by reduction of an elevated pressure in a reactor holding the cellulose containing raw material. The invention also relates to the nano pulp produced.

Abstract: The invention provides methods and compositions for monitoring and controlling the thickness of coating on a creping cylinder is disclosed. The methodologies involve a coordinated scheme of apparatuses that function to monitor various aspects of a creping cylinder coating so that the thickness of the coating can be determined.

Abstract: A plant for the production of embossed articles is disclosed. Upstream of the embossing group for the plant and add on a glue dispensing unit and/or a printing unit having a cliché roll for the application of the glue on a web of band or ink on the band is provided. The web or the band moves between the cliché roll and a contrast cylinder. Actuator means are provided for approaching or moving away a portion of the cliché roll from the contrast cylinder. Thus, regardless of the type of paper used, it is possible to obtain a perfect adhesion of the webs without jeopardizing the softness of the paper used. It is also possible to obtain the printing in selected areas of the product being processed.