Abstract: This invention relates to equipment for gas-singeing runs of textiles comprising a floating expander in which a cylinder spreads approximately cylindrically and which is used for a textile tubular fabric moving over it, and further comprising at least one annular structure surrounding the expander and acting as a support for a plurality of singeing means containing gas-burner nozzles and being displaceable in a radial and synchronous manner with respect to the expander.

Abstract: This invention relates to an improvement in heat-treating equipment for flat, band-like lengths of materials, using a gaseous flowing drying medium, said equipment being composed of a thermally insulated housing with transmission slots at both ends for a length of material, nozzle conduits arranged in sequential spacing above and below the length of material and directed transversely to the direction of motion of said material and being provided with nozzles and communicating with pressure chambers, at least one heat exchanger connected to suction chambers, and at least one circulating fan, the improvement comprising that the upper and lower nozzle conduits include ledge means between the spacings of the nozzles extending transversely to the length of material and forming together a backflow cross-cut means, cover means mounted between the nozzles of a nozzle conduit of the upper nozzle conduits, and the backflow cross-cut means between the ledges of the upper nozzle conduits being covered with stop means, an

Abstract: This invention relates to a device for regulating a water-removing or drainage machine, particularly a double-sieve sludge drainage machine having a plurality of automatic control means for adaptation thereof to sludges with different drainage properties, comprising an automatic throughput control means in which a sludge level in a filtering zone serves as an indication for the automatic throughput control means, an automatic flocculant control means adapted to employ shearing strength of a sludge-flocculant mixture as an indication of drainage behavior, and an automatic sieve velocity control means responsive in dependence upon drainage velocity.

Abstract: This invention relates to an apparatus for restratifying the filter cake in the strainer zone of strainer belt presses, in particular double strainer sludge dehydrating equipment, comprising one or more monofilament or multifilament cables (9) tensioned transversely or obliquely to the direction of advance of the strainer across the width of the strainer belt (6) and the filter cake (7).

Abstract: This invention relates to an improvement in drying equipment for tubular textile ware comprising a vertically floating circular expander adapted to spread the tubular ware from the inside, with drying air being blown from the outside into the tubular ware inside in a first zone and evacuated from the inside to the outside in an adjacent second zone, the improvement which comprises (a) three zones consecutive in the direction of motion of the ware, the zones being mutually bounded by a partition transverse to the direction of motion of the ware and surrounding the circular expander, and being located in the area of an entry part spreading the tubular ware and a corresponding exit part, (b) the zone located between the entry part and the exit part being designed as a suction chamber and the outer zones being designed as blowing chambers, and (c) the entry part and the exit part including axial flow openings for the drying air.

Abstract: The invention relates to the fastening of a leno device in shuttleless weaving machines. Leno devices generally are composed of two parts one behind the other, designed in the manner of rails and being mutually displaceable in the longitudinal direction for the purpose of shed-formation and are fastened to two consecutive heddle frames or the heddle slide bars thereof. To facilitate the fastening of the tightly arranged parts, only the upper fastening means on the forward part, that is the leno body supporting the standard thread needles is designed as an immobile fastener, whereas the remaining fastening points of the leno device are designed as quick-fit devices allowing a limited displacement along the heddle slide bars. The most diverse types of quick-fit means such as plug-in or spring-clip connectors, spring-hooks, clamping or snap-in connectors can be used.

Abstract: This invention relates to an improvement in a clip-chain track for tenter clips, with roller guidance in tenter frames for sheet material, composed of a clip-chain support with rod-like, endless and jointless guide rails of small cross-section mounted pairwise to the clip-chain support on both sides of the tensioning plane of the tenter chain, and with tensioning clip rollers resting by their running surfaces against the guide rails, the improvement comprising vertical spindle means connected to a clip body of the tenter clips and mounting separate support rollers and running rollers on both sides of a tensioning plane of a sheet material in two separate transverse planes of the spindle means, with the support rollers absorbing vertical forces and having slanted running surfaces of opposite inclinations, and separate support rails mounted on one side of their associated support rollers and running rails mounted on the other side of their associated running rollers in the transverse planes at the clip-chain su

Abstract: This invention relates to an improvement in an apparatus for advancing or retracting a flexible pay-out connection in a controlled manner, for instance a pay-out cable fixed to a satellite body with a pay-out means mounted thereon, in particular for a spin-imparted satellite, the improvement comprising at least one groove means at the periphery of the satellite body to receive the pay-out connection, and at least one elastic holding means to hold the pay-out connection at the groove opening.

Abstract: This invention relates to a developer solution for the development of exposed light-sensitive reproduction layers comprising a water-insoluble binder and a water-insoluble diazonium salt polycondensation product. As the essential constituents, this developer solution contains glycol ethers, glycol esters and water, in detail--about 30 to 80% of a compound of the formula ##STR1## wherein n=1 to 4 and m=1 to 5; about 3 to 30% of a compound of the formula ##STR2## wherein R.sup.1 and R.sup.2 are acyl groups containing 1 to 4 carbon atoms, or one of the two groups is a hydrogen atom and R.sup.3 is a hydrogen atom or a methyl group; about 0 to 15% of 1,3-dioxolane-2-one or 4-methyl-1,3-dioxolane-2-one; about 0 to 20% of a polyhydric alcohol; about 0 to 10% of an organic or inorganic salt which is soluble in the solvent mixture; and about 5 to 45% of water.

Abstract: This invention relates to an agent for preventing the flooding of color pigments in aqueous plastic dispersion paints, plastic-based plasters, and distemper paints containing cellulose ethers, which is based on a block polymer in which a di- or polyamine is present as the initial molecule on which alkylene oxide units are added, said block polymer being obtained from one mole of a di- or polyamine of the general Formula I ##STR1## wherein R is an alkylene group with 2 to 6 carbon atoms, and x is a whole number from 1 to 4, by reaction with about 5 to 50 moles of ethylene oxide, followed by reaction with about 5 to 100 moles of propylene oxide.

Abstract: This invention is an improvement in a stationary or mobile receiving bunker adapted to be fed with bulk material, particular by means of industrial trucks, with a delivery conveyor arranged under the receiving bunker, the improvement which comprises two bunker walls enclosing the receiving bunker chamber on the side away from the direction of delivery, with straight lines running through their top edges and projected onto a horizontal plane each forming an angle .alpha.<90.degree. with the longitudinal axis of the delivery conveyor also projected onto the horizontal plane.

Abstract: A light-sensitive mixture is described which contains a water-insoluble resinous binder, which is soluble or swellable in aqueous-alkaline solutions, and a novel 1,2-naphthoquinone-2-diazide-sulfonic acid ester of a dihydroxyacylophenone or of a dihydroxybenzoic acid ester of the formula I ##STR1## in which R.sup.1 is an alkyl or alkoxy radical, the carbon chain of which can be interrupted by ether oxygen atoms, R.sup.2 is a hydrogen atom, an alkyl radical having 1-3 carbon atoms, or a chlorine or bromine atom and D is a 1,2-naphthoquinone-2-diazide-sulfonyl radical. The copying materials prepared from this mixture are particularly suitable for the preparation of printing plates which give long print runs and have a high light sensitivity. The compounds of the formula I are distinguished by good solubility in customary coating solvents.

Abstract: A process for the manufacture of a tubular package filled with pasty material which comprises (a) positioning a filling tube of a filling device inside the inner tube of a tubular rod of flexible material, said rod comprising an inner tube substantially free from folds and a shirred outer tube, the hollow space of said shirred outer tube constituting a casing for said inner tube and said inner tube being a deshirred length of the tubular rod which is inverted into the hollow space of said shirred outer tube thus forming a double-walled rod, wherein the outside surface of said inner tube and the inside surface of said outer tube are in direct contact, the inner tube being integral with the outer tube at one of its ends and sealed at the other; in a manner such that the filling tube adjoins the seal of the rod, and (b) feeding pasty material from the filling device through the filling tube into said inner tube of the rod, and simultaneously turning the tube forming the shirred stick inside out under a frictiona

Abstract: This invention relates to an improvement in a retractable landing gear for jumbo aircraft, in particular of the high-wing monoplane design, with a number of steerable landing units which are retractable into wells in the aircraft fuselage, the improvement comprising (a) means mounting a plurality of landing gear unit means which are spread into two or more rows that extend predominantly over a range at the aircraft fuselage running in the aircraft longitudinal direction, (b) said landing gear unit means and frames belonging to the airframe structure being designed in the manner of a grid division in which, between two particular unencroached main frames of the structure, a particular landing gear unit of one row is arranged and including means to retract it into well means between the frames, and (c) all landing gear units being made of identical components and being of the same dimensions.

Abstract: A light-sensitive mixture, which is composed of a light-sensitive compound, for example, an o-quinone-diazide or a diazonium salt polycondensate, or a light-sensitive combination of compounds, for example, a photolytic acid donor and an acetal compound or orthocarboxylic acid compound which can be cleaved by acid, and of a novolak having halogenated phenol units is described. The mixture is preferably used for the preparation of printing plates, in particular planographic printing plates, which have an improved resistance to aqueous-alkaline developer solutions, gasoline hydrocarbons and fountain solutions containing alcohol.

Abstract: This invention relates to an improvement in the process for the preparation of screen printing stencils by an electroplating method, which comprises coating a metallic matrix, provided in the manner of a screen with dots of insulating material, with a photoresist layer, exposing the photoresist layer imagewise and developing it by washing out, and rendering those areas of the photoresist layer which have remained in place electrically conductive in the course of imaging, electrodepositing metal up to a desired height on the conductive image stencil and on the matrix ridges surrounding the insulating screen dots, and removing the patterned screen printing stencil thus obtained from the matrix, the improvement which comprises rendering the photoresist layer conductive only on its surface and before developing.

Abstract: The invention relates to dimethylphosphinylalkanephosphonic acids of the general formula I, in which n is 1 or 2, which are used as setting retarders for gypsum.

Abstract: This invention relates to equipment for rendering visible a specific metal charge of an ion exchanger comprising transparent viewing means, permeable container means behind said viewing means, and a mixture of chargeable resin particles and inert particles in said container means, said inert particles being lighter in weight than said resin particles when the latter are charged with metal ions. The invention also relates to a process for rendering visible a specific metal charge of an ion exchanger.

Abstract: This invention relates to a silver powder of Ag/CdO composition for use in electrical contacts comprising particles in the size range of about 1 to 10 microns and containing cadmium oxide in the form of a precipitate with a grain size less than about 0.5 micron.

Abstract: The invention relates to a developer mixture for developing exposed, light-sensitive reproduction layers which contain a diazonium salt polycondensation product. The mixture comprises water, a salt of an alkanoic acid and a surfactant and contains 0.5 to 15 percent by weight, in particular 1 to 10 percent by weight, of at least one salt of an alkanoic acid having 8 to 13 carbon atoms and 0.5 to 20 percent by weight, in particular 1 to 12 percent by weight, of at least one low-foaming, nonionic surfactant. These surfactants preferably include optionally modified block polymers formed from ethylene oxide and propylene oxide.The invention also relates to a process for developing negative-working reproduction layers, of the composition indicated above, with the developer mixture according to the invention.