Abstract: A system to produce a bitumen-based membrane provided with a bituminous surface covered by grains. The system comprises a movement device designed to more a preformed membrane in a predefined feed direction, a grain application machine comprising a rotating application drum provided with a plurality of cavities which are designed to receive grains in a loading region of said drum, a grain loading device designed to load the grains in the cavities in the loading region of the drum, and a grain retention device made of sintered polymer material, which is arranged in contact with a retention region for retaining the outer surface of the application drum so as to maintain the grains in the cavities until the latter reach an angular discharge position.

Abstract: Computer software, computer and method for generating with a computing device a desired pilot signal for driving a vibratory source to generate seismic waves. The method includes steps for compressing a pilot signal in a force domain and also compressing a mass displacement in a displacement domain. The resulting desired pilot signal boosts the low-frequency end of the vibratory source.

Abstract: An apparatus for extrusion forming a sheet product having an extruder assembly with a sheet die through which a flowable material is delivered and a roll stand assembly made up of a roll stack sub-assembly and a sheet take-off sub-assembly. The roll stack assembly has first and second rolls between which a nip location is defined at which flowable material from the sheet die is delivered. The sheet take-off sub-assembly produces an advancing force upon a first sheet component made up of at least the first sheet layer. The roll stand assembly further has a coating system for applying a coating component to a surface on at least one sheet component advancing through the apparatus. The roll stand assembly is constructed to be reconfigured thereby to change a path traveled by the at least one sheet component and facilitate selective application of the coating component.

Abstract: An image forming apparatus includes an image forming unit to form an image on a recording medium and a treatment-liquid application device to apply a treatment liquid to the medium. The application device includes a conveyance roller to convey the medium, an application roller to apply the liquid to the medium, a squeeze roller to spread the liquid on the application roller to form a thin layer of the liquid on the application roller, and a housing member to retain the application roller and the squeeze roller within the housing member and cover outer circumferential surfaces of the application roller and the squeeze roller. The housing member has an opening to contact the application roller with the conveyance roller through the opening and a storage portion to store the liquid. The housing member is rotatable while retaining the application roller and the conveyance roller within the housing member.

Abstract: A liquid application device capable of applying liquid to different size medium includes a transfer device for transferring the medium, a regulating member for regulating a transferring position of the transferred medium, and a liquid applicator including an application member for applying liquid to the medium transferred by the transfer means and a retention member for retaining the liquid in a liquid retention space which is formed by causing the retention member to abut on the application member. In addition, a storage device stores the liquid, a supply channel supplies the liquid in the storage device to the liquid retention space, a collection channel collects the liquid in the liquid retention space into the storage device, and a supply port is formed in the retention member and is connected to the supply channel. Also, a collection port is formed in the retention member and is connected to the collection channel, and a pump generates a flow of liquid in a liquid channel.

Abstract: A device is provided for flooding a flowable material onto and/or into a manufactured building product. The device includes a framework. A flood system is arranged in the framework to apply the flowable material to manufactured building product. An infeed station including a drive roller and a metering roller is arranged at the infeed end of the apparatus. One or both of the drive roller and metering roller are releasably coupled to a drive motor positioned outside of the framework. An adjusting mechanism may be provided for adjusting the relative vertical position of the metering roller with respect to the drive roller. At least one brush station includes an upper brush and a lower brush positioned downstream from the infeed station. The upper brush and the lower brush are releasably coupled to one or more drive motor positioned outside of the framework.

Abstract: In a device for depositing coating material with the manufacture of coated and/or impregnated sheet formations the thickness of the coated sheet formation is monitored with two metering rollers (11, 13) rotating against the sheet formation. The distance measurement between the contact surfaces (12, 14) of the metering rollers (11, 13) is carried out by way of measuring surfaces (16, 18) concentric to the metering rollers (11, 3) which have a smaller diameter (d1) than the contact surfaces (12, 14).

Abstract: The present invention provides a method for coating a plate with a coating solution comprising the steps of: holding the plate in such a manner that surfaces of the plate to be coated are aligned substantially parallel to a gravity direction; moving the plate in a direction parallel to the surfaces of the plate and at a right angle to the gravity direction; passing the plate between two coating rolls to which the coating solution is applied, which rolls rotate in the same direction as that of the plate while being in contact with the surfaces of the plate, and which rotation axes are substantially perpendicular to a moving direction of the plate and to normal direction of the surfaces of the plate; and forming a film of the coating solution on at least one surface of the plate.

Abstract: An apparatus for advancing, guiding, and processing flexible sheet members through a processing area in which fluid contacts the flexible sheet members is provided. The apparatus includes a roller conveyor which is adapted to convey the flexible sheet members to a processing module located along the roller conveyor. The processing module includes an entrance, an exit and a wet area in which fluid is provided to at least one surface of the flexible sheet members. At least one pair of squeegee rollers are located at one of the entrance and the exit to the wet area of the processing module to inhibit fluid leakage from the wet area. One squeegee roller is located on each side of the conveyor such that the flexible sheet members pass between a nip of the squeegee rollers. Each squeegee roller includes a rigid, hollow, outer tube and a light weight, open core located within the outer tube to provide a light weight squeegee roller.

Abstract: A coated film is peeled and removed on a resin product by rollers. Each roller has a different rotational speed and applies a shear slipping stress between the coated film and the resin material to peel the coated film from the resin material. The apparatus includes cooling device for cooling one of the rollers by feeding coolant through a passage formed in the roller so as to reduce adhering the coated film to the roller surface.

Abstract: A system for wet application of a dry film, such as a photoresist, to a generally planar panel having upper and lower surfaces, such as a printed circuit board, is provided. The apparatus comprises rotatable upper and lower wetting rollers each having an absorbent material such as neoprene on the surface thereof, and a mechanism for holding the upper wetting roller in forcible contact with the lower wetting roller so that rotation of the lower wetting roller is translated into rotation of the upper wetting roller. The lower wetting roller is positioned at least partially within a container providing a supply of wetting agent, such as water, such that the wetting agent is in contact with the absorbent material on the surface of the lower wetting roller.

Abstract: A roll stand, such as for supporting a pair of adjacent rolls for maintaining a lubricant film thickness on a sheet of steel, tin, or the like, traveling therethrough, is disclosed. The roll stand comprises a first and second, spaced, support members for supporting the rolls extending therebetween. The support members each include a pair of spaced guide rods. Each of the support members further includes first and second spaced carriers slidably carried by their respective guide rods. Pillow block bearings are disposed on each of the carriers for receiving respective ends of the rolls. A pair of hydraulic piston and cylinder devices move each of the first carriers relative to their respective second carriers, to control the pressure between the rolls. A pair of jacks, manual or motorized, move each of the second carriers to adjust the rolls to the proper height.

Abstract: Apparatus for wet laminating a photopolymerizable film onto circuit board panels or other substrates. The apparatus is easily and quickly convertible from dry laminating to wet laminating with the rollers therefor mounted in bearing blocks which are insertable in slots in brackets at each end and removable therefrom. The lower roller thereof has a gear the teeth of which are meshable with the teeth of an idler gear for transmission of rotation power thereto. Elongate tubes for applying a fluid, which comprises between about 0.1 and about 10 wt. % of a heterocyclic metal-chelating agent, to the wet insertion rollers for application thereof to the panels are contained in a yoke which is adjustable next to wet insertion rollers for wet laminating or away from dry insertion rollers for dry laminating.

Abstract: A method and apparatus is provided for chemically treating articles, often with a liquid treatment fluid that is corrosive, while the articles are being delivered along a path through a substantially closed chamber. During treatment, the articles pass through a nip formed between opposed rollers. Because of the thin flexible nature of the articles, they may tend to wrap around a roller after passing through the nip. The articles are engaged as they pass downstream of the nip and are urged away from the surface of the roller, to continue to follow a predetermined path of travel. In engaging the articles to urge them away from the nip, they are preferably contacted by eccentrically mounted rings, carried by the roller. The rings have portions that protrude away from the surface of the roller that enables them to engage the article.

Abstract: Disclosed is an apparatus for drying printed circuit boards or similar workpieces. The dryer apparatus comprises an "aspirator" portion of a "blower" portion. The aspirator portion of the apparatus is operative to create negative pressure or suction upon the surfaces of circuit boards as they pass along a fixed conveyor path. The blower portion of the apparatus is operative to pass drying air over the surfaces of the advancing circuit boards after they have been subjected to the negative pressure or suction force of the aspirator. The "aspirator" and "blower" portions of the apparatus may be enclosed in a substantially air-tight housing or cabinet so as to provide for substantially self-contained recirculation of air therewithin.

Abstract: A method of manufacturing an electrode for a battery comprises steps of preparing a substrate formed by a metal porous body having three-dimensionally continuous pores, a slurry mainly composed of active material powder to be filled into the pores of the substrate, a vessel for containing the slurry and a filling roller located to be at least partially dipped but not completely submerged in the slurry contained in the vessel, continuously supplying the substrate onto the filling roller so that the substrate is in contact with the filling roller in at least a point not being submerged in the slurry and rotating the filling roller in such a manner that the speed of outer peripheral surface of the filling roller facing the substrate is higher than the travel speed of the substrate thereby to fill the slurry into the pores of the substrate.

Abstract: Roll-type presses or pressure developers include a pressure roll in which one of the load bearing and transmitting materials is a carbon fiber and epoxy composite. The pressure roll has an outer metal tubular sleeve which is filled or substantially filled with a composite material. In one form, an axially central loading shaft is employed and is bonded to the composite material. The material may be tapered from a central loading region on the shaft and outwardly toward the open ends of the sleeve. In another embodiment, the composite material itself forms the support shaft for the roll.

Abstract: The solder applying apparatus enables applying solder to both sides or faces of printed-circuit boards travelling essentially in horizontal direction through a production or manufacturing line, and which circuit boards are not yet equipped with electrical components or the like. The apparatus contains a solder applicator means or device where liquid solder is pumped from a supply container in such a quantity that a solder wave forms over an outlet or discharge opening of the applicator device. This solder wave extends beyond the feed or transport plane of the printed-circuit boards. At the side walls of the applicator solder device there are mounted guide elements formed of metal plating or sheet metal which extend beneath the feed plane, the solder flowing-off by means of such guide elements. The angle of inclination of the metal guide elements is adjustable with respect to the feed plane. Also the spacing between the discharge opening of the applicator solder device and the feed plane is variable.

Abstract: Printed circuits are produced by an additive technique wherein a metal-loaded resinous ink is first printed on the board, the circuit next being covered with a conductive metal powder while the ink is still wet. The powder is then pressed into the ink and the circuit cured. Next, a solder stratum is alloyed with the powder as by a solder paste printed over the circuit and the board heated to cause the solder to alloy with the ink and powder substrates. A solder resist may then be applied selectively over the circuit and multiple layers of circuits may be built up on the board. The conductive ink is an epoxy resin loaded with a metallic powder, preferably copper, with a catalyst added to the ink. The solder paste is a lead-tin alloy containing antimony suspended in a binder and a flux.The apparatus employed to carry out the procedure includes silk screens and a roller arrangement for pressing the metallic powder into the ink. The press includes a plurality of progressively harder rollers.

Abstract: An apparatus for fixing powder images to a receptor to provide low gloss copies is provided. The apparatus comprises first and second contacting pressure members that have skewed longitudinal axes with respect to each other. The first pressure member contacts the imaged surface of a receptor and comprises an irregular, non-compliant surface comprising a plurality of randomly sized domed projections. The second pressure member contacts the unimaged surface of a receptor and comprises a compliant surface.

Abstract: An improved apparatus for developing offset printing plates is disclosed, in which the soaker plates defining the developing chamber between them comprise textured stainless steel and are oriented at an angle to the horizontal, their upstream ends being higher than their downstream ends.

Abstract: A method and apparatus for positioning a wedge in a web coating machine utilizes hydraulic actuating cylinders for moving the wedge and a multicylinder constant displacement pump for operating the hydraulic actuating cylinder. Valve circuits are provided to transmit trains of pulses generated by the pump to a selected port of the hydraulic actuating cylinder and a valve circuit is provided to select the cylinders of the pump utilized to operate the hydraulic actuating cylinder. Each cylinder of the pump generates volumetrically metered pulse trains of pressurized hydraulic fluid and the valve circuits transmit selected numbers of pulses from selected pulse trains to the hydraulic actuating cylinder for a time period equal to a multiple of the cycle time of the pump.

Abstract: An apparatus for treating the surfaces of a panel with irregular sides. Sealant is pressurized by applicator rolls acting on the top and bottom faces of the panel while sealant, deposited on the panel sides, is dispersed thereover by the side located spreader rolls. Side applicator rolls are stationed in series along each side of the moving panel with a first series of rolls each having an annular portion for pressuring sealant into the surfaces of the grooved side of the panel. Similarly the tongue side of the panel is sequentially treated by the rolls of a second series each having a circumferential recess within which is received the tongue of the remaining panel side. Additional rolls surface treat the panel faces. The side applicator rolls are biased into panel side engagement by spring assemblies which couple opposed side applicator rolls to one another to permit same to accommodate a moving panel with uniform pressure regardless of discrepancies in the panel path.

Abstract: A bead dusting apparatus for applying talc to a circular tire bead utilizing a housing with a guideway therethrough. An entrance ramp feeds beads seriation into the housing where a first pair of rollers support and rotate each bead through a tank containing talc. Each bead is then indexed into a second portion of the housing where a second pair of rollers supports and rotates the beads between opposed brushes to remove excess talc. The dusted beads are discharged by a bead indexing mean.

Abstract: A self-locking threaded fastener of the type having a resilient thermoplastic resin patch bonded to the thread surface and a method and apparatus for making such fasteners are disclosed. The fastener is heated to a temperature in excess of the plastic melting temperature by induction heating coils and powder is thereupon deposited on the surface of the threads over a predetermined area by gravity feed. Rolling pressure is then applied to the plastic material to form the patch, packing the material between the thread flanks and confining the height of the patch to a controlled radial height above the thread crests. The controlled radial height of the patch is within the normal envelope of the basic major diameter of the fastener thread.

Abstract: An apparatus for processing a particulating printing plate includes an outer casing having an entrance end and an exit end, and a pair of opposed side portions. The exit end of the apparatus is disposed at an upward tilt relative to the entrance end. In addition, one side portion is disposed at an upward tilt relative to the other side portion. A pair of entry rollers is disposed one above the other adjacent the entrance end of the outer casing for receiving the plate and conveying it in a horizontal direction. A first sprayer for spraying developer solution onto one surface of the plate is disposed adjacent the downstream ends of the entry rollers. First and second brushes are disposed one above the other and adjacent to the first sprayer for brushing away unwanted coatings on the plate after it has been sprayed. The upper brush is an individually rotatable roller which is adapted to be rotated in a direction opposite to that of the conveyance of the plate.

Abstract: A plant for the continuous surface treatment of work pieces comprises a plurality of treatment chambers arranged one behind the other and tightly connected to one another; each treatment chamber is movable transversely to the direction of transportation of the work pieces and at least part of the internal equipment provided in the treatment chambers is removable in longitudinal direction, i.e. parallel relative to the direction of transportation of the work pieces.

Abstract: A liquid developer wringing and removing apparatus in a liquid development type electrophotographic copying machine is provided with a conductive member. The conductive member of the liquid developer wringing and removing apparatus is maintained at a ground potential and disposed behind a developing station in an electrophotographic process facing to the surface of a photosensitive member keeping a small clearance therebetween. By doing so, the toner remaining on non-image portions of the development can completely be removed and the excessive toner can also be squeezed out properly. A member for cleaning the conductive member or a corona discharger behind the conductive member can be provided additionally for further improvement of the present invention.

Abstract: Electrostatic toner powder images on copy sheets are fixed by the application of pressure alone, using sets of mating rollers so arranged that each set nips and treats a narrow track on the sheet, and also so arranged that the treated tracks have slightly overlapping margins whereby the full area of the sheet is treated in the process.