Abstract: In an apparatus for the reaction injection molding of a shaped article from a polymerizable flowable resin-forming composition, once such composition has attained a predetermined increased level of viscosity as measured in situ within the mold cavity, an amount of pressure is applied to the polymerizing composition which is sufficient to maintain any entrapped gas(es) dissolved therein and/or to prevent the composition from pulling away from mold cavity surfaces.

Abstract: A furnace for the formation of a black oxide film on the surface of a thin metal sheet is disclosed which comprises a tunnel-like furnace proper provided at one terminal side thereof with an inlet and at the other terminal side thereof with an outlet, conveying means laid inside the furnace proper from the inlet through the outlet thereof for conveying a thin metal sheet from the inlet to the outlet, openable shutter means for partitioning the interior of the furnace proper into at least first and second regions on the front and rear sides respectively in the direction of conveyance of the thin metal sheet, first gas supply means for feeding into the first region on the inlet side of the furnace proper partitioned by the shutter means a mixed gas containing carbon dioxide and carbon monoxide and containing substantially no oxygen or a mixed gas containing carbon dioxide, carbon monoxide, and steam and containing substantially no oxygen, second gas supply means for feeding into the second region on the outlet

Abstract: A method and device are divulged for over-molding ski soles. As claimed in the invention, a thermoplastic filling material is continuously fed in solid form into a heating and spreader shoe, the material being progressively softened in the shoe and fed in liquid form under the shoe to be successively distributed, crushed, spread over the ski sole, then driven under pressure by a transverse scraper fast with the spreader shoe. The scraper is a steel bar with rectangular section whose lower edge projects slightly below the lower surface of the spreader shoe. The projection of the lower edge, the slant of its front face, the speed of movement and the bearing force are chosen appropriately.

Abstract: A dental centrifugal casting apparatus includes a crucible for receiving a dental casting material, a crucible holding unit for holding the crucible, a heating furnace such as a high-frequency induction heating furnace for heating and melting the dental casting material in the crucible, a crucible forward and backward rotary driving unit for driving the crucible holding unit forward and backward so as to insert the crucible into the heating furnace to heat and melt the material in the crucible and remove the crucible from the furnace, and for rotationally driving the crucible holding unit so as to inject the melted material into a mold at a predetermined position, a bucket for holding the mold in which the molten material is injected by the forward and backward motion and the rotation of the crucible performed by the crucible forward and backward rotary driving unit, and a centrifuge unit for rotating a rotary arm swingably mounting the bucket on its end portion at high speed immediately after the material is

Abstract: Apparatus for applying a fusible granular precursor of a protective and/or decorative coating to the surface of an article. The apparatus includes a dispenser for dispensing a stream of the fusible granular precursor in a stream of a bearing fluid, a recovery mechanism for recovering fusible granular precursor that does not adhere to the surface of the article, and mounting hardware for mounting the dispenser within the recovery mechanism. The recovery mechanism is coupled to a reclaim facility for reclaiming fusible granular precursor recovered by the recovery mechanism. The recovery mechanism includes first and second manifolds, a blower for establishing subambient pressures in the first and second manifolds, a first series of inlets generally surrounding the dispenser and coupled to the first manifold, and a second series of inlets coupled to the second manifold.

Abstract: A squeegee device applies material to a web substrate, which is guided across or held in contact with an abutment. The support body of the sequeegee contains a magnetic device extending along its longitudinal direction that holds a squeegee element made of magnetizable material. The squeegee edge is held against the substrate by the force of a magnetic device in the support body of the squeegee and a magnetic device under the abutment. In an alternative embodiment, no magnetic device is located under the abutment. However the abutment is made of ferrous metal to attract the magnetic device, causing pressure between the substrate and squeegee.

Abstract: An apparatus for manufacturing a heat-shrinkable tube has a die formed with a center bore through which a resin tube passes and a plurality of radial holes extending from the bore to the outer periphery of the die. The die is contained in a tank filled with a cooling fluid so that the die will be immersed in the cooling fluid. The interior of the tank is kept under reduced pressure. At the inlet side of the die, a pre-cooling unit is provided which supplies a cooling fluid to the outer periphery of a resin tube which have been heated to a temperature above its softening point beforehand. The tube is expanded at least by the suction force applied thereto while passing through the die kept under reduced pressure. The cooling fluid in the tank and that supplied from the pre-cooling unit serve to reduce the friction between the tube and the inner periphery of the die, thus preventing the tube from expanding lengthwise. A jacket may be provided around the die to supply the cooling fluid.

Abstract: The invention apparatus comprises a duct that supplies balls to a lateral outlet tube. The outlet tube feeds laterally to a sealant applicator nozzle. An impact plunger pushes the balls successively into sealant in the applicator nozzle. The nozzle extrudes sealant containing balls as spacers, useful in bonding two flat elements, spaced apart by the balls.

Abstract: An apparatus for coating flat glass by directing a reactant gas over the glass surface incorporates a gas flow restrictor which comprises a chamber which is adapted to receive a supply of reactant gas and is adapted to output a flow of the reactant gas over the flat glass being coated. A series of at least two restrictions is provided in the gas flow restrictor, each restriction comprising a plate member extending across the chamber and having a plurality of apertures therethrough.

Abstract: A coating apparatus for coating an object with a coating material in a coating direction includes a holder adapted to be mounted on a controllable support member, a shaft slidably supported in the holder, and a head member mounted on the shaft for angular movement in a direction transverse to the coating direction, the head member having a sliding surface for slidable contact with the object and a coating material outlet positioned forwardly of the sliding surface in the coating direction. In another embodiment, the head member has sliding legs for sliding contact with the object at front and rear positions in the coating direction, at least one of the sliding legs having a recess defined therein to provide a gap between the sliding leg and the object, the gap having a prescribed width in a direction transverse to the coating direction.

Abstract: An automatic color change paint spray system for vehicles moving along a production line which includes a paint spray device for painting. A first color change manifold is provided for supplying paint to the paint spray device. A paint feed tube connects the first color change manifold with the paint spray device. A second color change manifold is connected into the paint feed tube between the first color change manifold and the paint spray device, near the paint spray device.

Abstract: The molding installation includes a molding area where a molding apparatus for effecting the molding with a die is disposed; a maintenance area adapted to subject the die to maintenance work and disposed adjacent to the molding area; a die position shifting apparatus adapted to shift a position of the die and disposed between the molding area and the maintenance area; and a carriage adapted to exchange the die for another in the molding apparatus and disposed on a passage connecting between the molding apparatus and the die position shifting apparatus.The die position shifting apparatus is designed capable of shifting a die position of the die to the die position required in the molding area or in the maintenance area without any labor of workers.This arrangement in the molding installation permits a full automation of a series of operations including the die exchanging operation, the die conveyance operation for conveying the die into or from the molding apparatus and the die position shifting operation.

Abstract: An apparatus for the feeding and discharge of a heating-plate press, a movable carriage introducible into the press space being provided at the front side of the press, and this carriage having, at its underside, means for lifting the workpieces processed in the press from the lower press plate and, on its topside, a bearing surface for receiving the workpieces to be introduced into the press.

Abstract: A paper towel dispenser is disclosed having a towel spool and feed roll mounted on a pivoted front member of the dispenser housing. When the front member is in closed position to the feed roll can engage a portion of towel between the feed roll and a rotatable coating roller which is mounted in a coating container.

Abstract: An apparatus for the manufacture of pneumatic vehicle tires including a mold for forming a tread pattern on the ground contacting surface of the tire. The tread mold 23 has an inner surface 24 in which a closely fitting open network grid 10 is removably positioned. The grid has at least one axial split therein to allow removal of the grid from the tire after its curing is completed.

Abstract: A thermography machine for relief printing equipped with a microwave device comprising: a generator FIG. 2 13 whose transmission frequency may be 2.45 GHz feeding an applicator 14 scattering the microwave energy over the powder image to be melted, a movable short-circuit 15 adjusting the length of the applicator 14 to make it resonate at the frequency of the microwave generator (for example 2.45 GHz), a nonreturn device arranged between the generator 13 and the applicator 14 and an electronic device for automatic tuning of the applicator 14.

Abstract: An injection mold which eliminates defects in the appearance of the molded product such as flow marks formed during the molding operation on those portions of the molded product adjacent molten resin injection gates. A fixed and a movable mold member are provided. An injection port for injecting molten resin into the mold cavity formed by the mold members is formed in the fixed mold member, while an opening communicating the mold cavity with the exterior is formed in the movable mold member at a position opposed to the injection port and spaced therefrom across the mold cavity. An insert member is inserted in the opening having a surface forming part of an inner surface of the mold cavity. The insert member has a size and shape such that gas in the mold cavity is discharged exteriorly from the mold via a fitting gap between said opening and the insert member.

Abstract: A punch press machine for piercing a so-called green sheet made from a ceramic compound formed as a thin tape utilized for IC substrate and the like after sintering for solidification. The green sheet is adhered to a liner, such as a plastic tape, and has a core portion. The punch press machine is capable of piercing the green sheet together with the liner, without peeling of the tape liner from the core portion of green sheet. The machine consists of a punch press section, a work piece feeding section and a drive mechanism to move the work piece feeding section or the punch press section under mechanical automation, thus facilitating the piercing work with high productivity and quality.

Abstract: A clamping system for traversing and clamping molds in a molding machine, the clamping system including a toggle-type clamp arrangement defined by a plurality of pivotally connected links. A movable crosshead is carried on a crosshead guide, and a ball screw is non-rotationally secured to the movable crosshead to extend in the direction opposite from the face of a cooperating fixed mold portion. A pair of ball nuts are carried by the ball screw and each of the ball nuts is drivingly connected with a respective servomotor. One of the servomotors is adapted to provide rapid traverse movement for the movable crosshead, and the other servomotor is adapted to provide high torque for high clamping force to hold a pair of mold halves in tightly contacting relationship during the injection into a mold cavity defined by the mold halves of a flowable material under pressure.

Abstract: An apparatus for depositing liquid material onto a workpiece in the form of a deposit having a desired conformation wherein the material is discharged under pressure from the nozzle of a dispensing gun which can be manipulated by a robot to lay the deposit according to a programmed pattern on the workpiece. One or more gas jets is directed toward the material after the material is discharged from the nozzle to impart a desired conformation to the material deposited on the workpiece. The flow rate of the gas jets is controlled in accordance with the liquid flow rate to maintain substantial uniformity of the conformation of the deposit. The flow rate of the gas jets may also be controlled with reference to a toolspeed signal which varies according to the relative speed between the nozzle and the workpiece as well as an auxiliary signal the latter of which can be used to selectively alter the conformation of the deposit.