Abstract: Non-woven glass-fiber webs for reinforcing plastics material carrying printed circuits are produced by the wet process from E-glass fibers bonded with polyvinyl alcohol. The polyvinyl alcohol used is a powder or suspension, has a degree of hydrolization of 98 - 100%, and a viscosity, as a 4% solution in water of 20.degree.C, of 20-100 cP. Preferably the polyvinyl alcohol has a degree of swelling at 20.degree.C of between 3 and 8, and in the dry form a particle size of between 50 and 180 .mu.. A plurality of these glass fiber webs are impregnated with a solution of an epoxy resin, arranged as a laminate, then compressed at elevated pressure and temperature to form the final laminate.

Abstract: A moveable stacking device having a mobile substructure which carries a tower with a fixed outer frame and an inner frame guided by the outer frame for vertical movement relative thereto. An operating platform is guided by the inner frame for vertical movement relative thereto, and carries a transversely extending base frame on which a rotation head is guided for horizontal movement. The rotation head carries a lifting fork means which is rotatable about a generally vertical axis.

Abstract: A tufting machine having: means for metering predetermined lengths of yarn, including a rotatable yarn feed with substantially accurate improved drive and braking means; pneumatic yarn transport means, including selective control of gas flow, for transporting selected metered lengths of yarn to a tufting station for severance into yarn bits and implantations into a backing; and retraction means for retracting, with minimum yarn deformation, yarn not selected for severance and implantation.

Abstract: Gas fired air heater for a central heating system comprising a heat exchanger in which are arranged a series of parallel rows of vertical heat exchange tubes, the lower ends of which are connected to a joint burner compartment and the upper ends of which are connected to a joint flue compartment. Two opposite lateral sides of the heat exchanger are connected to air supply and discharge compartments respectively for feeding the air to be heated transversely through the heat exchanger. The lateral air supply and discharge compartments have air inlet and outlet connections at their top and bottom walls only. One of said lateral air compartments is closed at one end and is connected to a fan at the opposite end, whereas at least one end of the other lateral air compartment is connected to a main duct for discharge of the heated air.

Abstract: An adhesive tape that tenaciously adheres to the surface of films, paper, wood, plastic, metal, stone and the like, by simply pressing it thereon, and that can easily be removed with water or aqueous alkaline solutions, comprises a support and an adhesive layer consisting of a homogeneous mixture of at least one water-soluble and/or alkali-soluble polymer and of a tackifier consisting of a carboxylated monoether of a polyglycol.

Abstract: An apparatus for receiving a large quantity of green tobacco leaves in bulk form with an intermediate screen separating portions of the leaves along the entire length of the container and with a plurality of independent support rods for supporting the tobacco leaves in generally vertical position while the leaves are being cured. The tobacco container is open at one side only during filling and is open at the top and bottom only during the curing process.

Abstract: Process for preparing halogenated rubbery copolymers of ethylene, at least one other .alpha.-alkene, dicyclopentadiene and optionally one or more other polyenes is disclosed, wherein the copolymer is halogenated in the substantially undissolved or solid state with molecular halogen at a temperature of between -30.degree. and +80.degree.C. The halogenated copolymers produced by the process of the present invention may be covulcanized with strongly unsaturated rubbers to yield products which have excellent physical and mechanical properties, with reduced vulcanization times. The vulcanizates are suited for numerous applications including, for instance, car tires.

Abstract: Novel 1-(2-Ar.sup.1 -4-Ar.sup.2 -1,3-dioxolan-2-ylmethyl)imidazoles, 1-[2-Ar.sup.1 -4-(Ar.sup.2 -oxymethyl)-1,3-dioxolan-2-ylmethyl]imidazoles, 1-[2-Ar.sup.1 -4-(Ar.sup.2 -thiomethyl)-1,3-dioxolan-2-ylmethyl]imidazoles, and 1-[2-Ar.sup.1 -4-(Ar.sup.2 -ethyl)-1,3-dioxolan-2-ylmethyl]imidazoles, useful as antifungal and antibacterial agents.

Abstract: A container, particularly for liquids, consisting of at least two coaxial parts manufactured from synthetic material, wherein each part has a ring which is concentrically connected with the peripheral edge thereof. In the two interconnected parts, both the end edges concerned and the facing edges of the rings are interconnected.

Abstract: A method of recording an electrostatic charge pattern representing information to be recorded and generated in the interior of an air-tight envelope or chamber comprising a target towards which charged particles are projected, characterized in that the electrostatic charge pattern is produced within the envelope on an electrically insulating surface of a charge receiving material and (1) according to a first mode the charge pattern from such surface is transferred through an array of closely spaced solid conductors, held a solid electrically insulating matrix, to an uncharged electrically insulating surface of an other charge receiving material removably positioned at the outer side of the envelope or (2) according to a second mode the charge pattern from such surface is transferred through said conductors to an oppositely charged electrically insulating surface of a charge receiving material removably positioned at the outer side of the envelope forming according to the second mode a charge pattern in accord

Abstract: The invention relates to a scintillating camera and in particular to an apparatus for determining the position coordinates of a light pulse emitting point on the anode of an image intensifier tube which forms part of a scintillating camera, comprising at least three photomultipliers which are positioned to receive light emitted by the anode screen on their photocathodes, circuit means for processing the output voltages of the photomultipliers to derive voltages that are representative of the position coordinates; a pulse-height discriminator circuit adapted to be fed with the sum voltage of the output voltages of the photomultipliers for gating the output of the processing circuit when the amplitude of the sum voltage of the output voltages of the photomultipliers lies in a predetermined amplitude range, and means for compensating the distortion introduced in the image on the anode screen.

Abstract: Reproduction elements coated with organic photoconductors are made with improved and/or more widely selectable electrophotographic properties by employing in the photoconductive coating a donor-acceptor complex composed of a known organic electron donor having photo- or semiconductor properties, e.g. a poly-N-vinylcarbazole or polyvinylpyrene, and a N-(fluoren-9-ylidene)-aniline compound as an activating electron acceptor. Especially effective as the electron acceptor are certain new compounds, namely, p- and m-nitro-N-(2,4,7-trinitrofluoren-9-ylidene)-aniline and p-methylsulfonyl-N-(2,4,7-trinitrofluoren-9-ylidene)-aniline.

Abstract: Novel dyes are described for sepctrally sensitizing direct-positive silver halide emulsions comprising fogged silver halide grains. The dyes correspond to the formula: ##SPC1##Wherein:R.sub.1 is hydrogen, an alkyl group, an aryl group, or an acyl group,Each of R.sub.2 and R.sub.3 represents hydrogen, carboxyl, sulpho, nitro, cyano, halogen, an alkyl group or an aryl group,Each of L.sub.1 and L.sub.2 represents a methine group, m is 1 or 2, Y is O, S, Se or ##EQU1## R.sub.4 represents an aliphatic group or an aromatic group, X.sup.-represents an anion but does not exist when the molecule itself contains an anionic group, and Z represents the atoms necessary to close a fused-on benzoor naphtho-ring carrying one or more substituents at least one of which is a COR.sub.5 or SO.sub.2 R.sub.6 group wherein R.sub.5 is alkyl, aryl, hydroxyl, O-alkyl, NH.sub.2, NH-alkyl, NH-aryl, ##EQU2## AND R.sub.6 is alkyl, aryl, NH.sub.

Abstract: An electrostatic toner material for use in electrophotography consisting essentially of finely divided particles formed of a generally uniform mixture comprised of 5 to 15 % by weight of a colored material and 95 to 85 % by weight of resin mixture consisting essentially of:A. 40 to 60 % by weight of a polymer having at least 50% of the recurring units thereof constituted by at least one styrene monomer of the formula: ##EQU1## wherein R is hydrogen or methyl, and the balance of such recurring units derived from at least one alkyl methacrylate monomer wherein alkyl comprises 1-4 carbon atoms,B. 20 to 40 % by weight of a homopolymer of butyl acrylate or butyl methacrylate, or copolymers thereof with up to 80 % by weight of methyl acrylate or methyl methacrylate, andC. 5 to 20 % by weight of a polymeric plasticizer selected from polyvinyl butyral, polyethylene and co(vinyl acetate/ethylene).The electrostatic toner material consists of particles having a diameter between 1 and 30 microns.

Abstract: A process is disclosed for effectively producing a cycloalkylalkane carboxylic acid by reacting a cyclic ketone or a cyclic alcohol with a molten alkali metal hydroxide using a two step temperature treatment during the reaction wherein the first step temperature ranges from 200.degree. to 270.degree.C and the second step temperature ranges from 290.degree. to 350.degree.C. The alkali metal soap is then converted to the free acid. The process is especially directed to the manufacture of cyclopentylpropionic acid.

Abstract: The method of lubricating or softening the skin comprising the application of cosmetic preparations such as ointments, salves, creams, lotions, bar soaps, and the like, that contain a durable dry lubricant, comprising perfluorocarbon resins, said lubricant being inert to human and animal skin tissue, nonagglomerative, and sized to fit smoothly within the crease lines of human and animal skin tissue.

Abstract: A self-gripping flushing accessory quickly attachable over the water inlet of an outboard motor without need for fasteners while flushing the engine cooling passages from a garden hose or the like source of water. The accessory straddles and resiliently grips the opposite sides of the engine drive shaft housing in the area surrounding the usual water intake opening.

Abstract: A method of recording an electrostatic charge image or pattern representing information to be recorded, such discharge pattern being generated in the interior of an envelope or chamber comprising as a portion of its wall a dielectric target towards which the charges are projected, characterised in that a corresponding electrostatic charge image is produced externally of the envelope on the exterior surface of the dielectric target by projecting such charges against the target while the exterior surface of the target is electrostatically charged with charges of a polarity opposite to the interior charge pattern or is being exposed to such opposite charging from an external charging source. Optionally, a separate dielectric material is arranged outside the chamber in contact with the exterior target surface and the external charge pattern is produced on the separate dielectric material which can be removed.

Abstract: A shock absorber comprising an elongated cylindrical pressure cylinder having a piston reciprocally disposed therewithin and connected to a piston rod extending outwardly from one end thereof, teh piston rod carrying a dirt shield which extends coaxially of the pressure cylinder and in partial surrounding relationship therewith. The pressure cylinder is adapted to be filled with preselected quantities of hydraulic damping fluid and a pressurized gas for damping reciprocal movement of the piston therewith. The piston is provided with a novel valve arrangement which controls the compression and rebound characteristics of the shock absorber, and one end of the pressure cylinder is provided with a novel rod guide assembly which is designed so as to provide for convenient charging of the cylinder with the aforesaid pressurized gas.

Abstract: In a brake for the pull-cord of a blind in which the cord is fed between, and in engagement with, a braking surface and a freely movable clamping body which, in one direction of movement of the cord, serves to clamp the cord against the braking surface, the braking surface forms part of the tapered interior of a housing through which the cord is passed and the clamping body is a circular disc or sphere of a diameter which is smaller than the widest part and greater than the narrowest part of the tapered interior, less the thickness of the cord, and is prevented from falling out of the widest part by a stop member secured therein.