Abstract: A device for applying a liquid as a thin continuous film to a passing workpiece strip has a runoff face and an intake face both extending a full width of the workpiece strip and meeting at an upwardly directed spillover weir. A diverter has a face juxtaposed with the intake face and forming therewith a storage compartment and a lip having a face juxtaposed with the runoff face at the spillover weir. Liquid is fed under pressure to the storage compartment so that the liquid rides up the intake face, over the spillover weir, and down the runoff face to a lower edge thereof whence it drops onto the passing workpiece strip. The lip face blocks any liquid that overshoots the spillover weir and deflects it back onto the runoff face.

Abstract: A pile carpet after tufting or the like is usually provided on the back with a latex precoat for stabilization and then provided with a foam back or an additional jute fabric. This environmentally hazardous method and the problem of recycling the foam back as well as the latex layer can be avoided If a nonwoven is applied instead to the tufted back of the carpet by water needling. This is possible with water needling in that the solidification of the pile fibers in or on the primary carrier takes place but no nonwoven fibers reach the visible side of the carpet. The back layer to be needled can also be made thicker and mote voluminous. Instead of a carpet, any other pile goods can also be stabilized in this fashion.

Abstract: The novel product consists of hydrodynamically bonded non-woven layers of which at least four layers are stacked and are than joined to one another by only using hard water jets.

Abstract: A water-permeable drum assembly for the hydrodynamic needling of textile materials in order to reinforce and structure the textile materials or refine the surface thereof has an intrinsically stable sieve drum provided with apertures and an outer tubular sieve-type cloth made of intersecting wires and pulled across and fixed to an outer surface of the drum. The outer sieve-type cloth has a coating that stabilizes intersections of the wires.

Abstract: The invention relates to a method for generating three-dimensional transparent patterns on a non-woven fabric or similar, whereby, for example, hot air is sucked through openings which form the pattern in the circumferential surface of a drum. The openings are straight or curved gaps instead of conventional holes and together with other openings form the desired pattern. The air or similar, flowing through the gaps, presses the fibres into the gaps and the vacuum on the inner side of the drum sucks said fibres onto the patterning.

Abstract: A method for producing three-dimensional colourless designs in a non-woven fabric or like material entirely bonded includes subjecting the fibers to a blowing process through openings, since the fibers in the openings are only displaced therein with limited depth, and are subsequently needle bonded against a supplementary support.

Abstract: Production of a non-woven tissue from wood pulp on a wet strip is known. The above has a cardboardy, paper-like feel to it. In order to achieve a web with sufficient resilience, the desired wood pulp fibres used to advantage in the hygiene industry for absorbing liquids are thus always mixed with chemical fibres as support fibres. According to the invention, a consolidated tissue with a soft feel and high fluid absorption is obtained by means of needling a non-woven pure wood pulp tissue with water.

Abstract: The invention relates to a device for treating web-type textiles, nonwovens or paper in a continuous stream, uses a gaseous treatment agent that circulates in the device. The product lies on the exterior face of a permeable drum (5), which is subjected to an induced draught and has two base sections (11, 12) on its front face, more precisely on a sieve-type or perforated surface (9), which covers the drum structure. A perforated drum jacket (15), whose edges are merely clipped into the two base sections (11, 12) extends between said base sections (11, 12). To achieve this, an annular groove (17) is machined into the base sections (11, 12). The edge of the sheet metal (15) and a ring-shaped clip segment (23) are inserted into said groove and are retained there by means of screws.

Abstract: The nozzle beam on a device for producing liquid jets in order to impinge said jets upon the fibres of a web of continuous material guided along the beam consists of a beam housing extending along the working width of the continuous web of fibre material, whereby two longitudinal bores placed on top of each other are accommodated in said housing and are separated from each other by means of an intermediate wall provided with continuous boreholes. The nozzle strip required to produce the liquid jets is mounted in a liquid-tight manner in the lower part of the housing and is cross-flown by pressurized water. In order to enable more needle water to reach the fabric than is usual with such a construction, two strips of nozzles are mounted in a housing and must be provided accordingly with pressurized water.

Abstract: The inner circumferential surface of a suction pipe must be periodically cleaned as well as the inner region of the suction slit and especially the webs between the suction holes of the suction pipe. The aim of the invention is to facilitate said cleaning process. To this end, a standard cleaning spray gun is provided with a long cleaning lance comprising a rotor nozzle on the end thereof. In order to clean the suction pipe, said lance can be passed through a hole on the front side of the fixed suction pipe. The dirt released and the remaining suction water can thus be evacuated on the other front side in a problem-free manner.

Abstract: A strengthened nonwoven is made at least in part of spun microfibers that are strengthened by hydrodynamic needling, alone or together with other fibers such as also staple fibers and/or endless fibers. The microfibers are spun from a polymer melt of only one certain polymer from a plurality of spinning apertures, and the spun filaments are drawn by gas streams accelerated to high velocity by an accelerating nozzle such as a Laval nozzle and, due to further production conditions, each fiber receives before solidification an internal hydrostatic pressure that is higher than the ambient gas pressure so that each fiber cracks in the longitudinal direction and splits up into a plurality of fine endless filaments.

Abstract: The invention relates to a previously known water-permeable drum for hydrodynamically needling webs of textile materials such as nonwovens, tissue, cloth, knitted fabrics, or similar in order to reinforce and structure said textile materials and/or refine the surface thereof. Said intrinsically stable drum is provided with apertures and a tubular sieve-type cloth or knitted fabric which is made of metal wires, is pulled across the outer circumference thereof, and is fixed to the face of the drum. In order to prevent creases from forming across the area of the sieve-type cloth when the drum is used according to the specifications, the sieve-type cloth or knitted fabric is provided with a coating that stabilizes the intersections of the wires. Said coating should be a galvanically applied coating, e.g. a nickel plating.

Abstract: A pile carpet after tufting or the like is usually provided on the back with a latex precoat for stabilization and then provided with a foam back or an additional jute fabric. This environmentally hazardous method and the problem of recycling the foam back as well as the latex layer can be avoided If a nonwoven is applied instead to the tufted back of the carpet by water needling. This is possible with water needling in that the solidification of the pile fibers in or on the primary carrier takes place but no nonwoven fibers reach the visible side of the carpet. The back layer to be needled can also be made thicker and mote voluminous. Instead of a carpet, any other pile goods can also be stabilized in this fashion.

Abstract: There are known drum jacket constructions that consist solely of perforated sheet metal. There are also known constructions, which, in order to increase the distance between the drum and the surrounding perforated sheet-metal wire gauze, consist of sheet metal with trusses configured e.g. as sheet-metal rings, or of honeycomb sheet-metal strips that are welded together, or of screwed constructions devoid of welding joints. The simplest solution for increasing said distance is a construction comprising a normal screen drum with struts bent into a U-shape that are screwed to the exterior, whereby the wire gauze lies on the external edges of said struts. Said drum however has a low buckling resistance, which is a required characteristic for the drying of tissue or paper. The novel drum jacket construction thus consists of an intersecting structure of sheet-metal strips, whose rings and strips are provided with corresponding insertion slots.

Abstract: The invention relates to a device comprising a rotationally mounted drum, which is flown through by a fluid from the exterior to the interior. The stable casing of the drum is provided over the periphery thereof with a sieve-shaped hole structure. The inventive device also comprises permeable outer bellows, which radially cover the casing on the exterior. One more support such as wire gauze is optionally placed between said outer bellows and the sieve drum casing in order to increase the distance between the sieve drum casing and the outer bellows. According to the invention, a tensioning element, which extends in an axial direction and which is enlarged at least once in a radially direction over the working width of the sieve drum, is mounted in a manner that enables it to be axially displaced in order to tension, in any case, the outer bellows with the sieve drum lateral surface between the outer surface of the sieve drum casing and the inner surface of the outer bellows.

Abstract: A pile carpet after tufting or the like is usually provided on the back with a latex precoat for stabilization and then provided with a foam back or an additional jute fabric. This environmentally hazardous method and the problem of recycling the foam back as well as the latex layer can be avoided If a nonwoven is applied instead to the tufted back of the carpet by water needling. This is possible with water needling in that the solidification of the pile fibers in or on the primary carrier takes place but no nonwoven fibers reach the visible side of the carpet. The back layer to be needled can also be made thicker and mote voluminous. Instead of a carpet, any other pile goods can also be stabilized in this fashion.

Abstract: In paint application devices that work on the pouring principle, it is known to collect the liquid flowing over a spillover weir in an upstream liquid reservoir. The liquid then flows over the spillover weir and over the guide surface extending downstream therefrom. When large application quantities of 50 l/m/min and more are involved, there is a risk that the liquid film may become separated from the guide surface in the area of the spillover weir. It is intended to coat this spillover weir over the entire working width thereof by using a height-adjustable diverter block with a downwardly protruding lip to regulate the volume of liquid that flows down onto the guide surface.

Abstract: A discontinuous nonwoven formed by a carder or other nonwovens formed from filaments have a higher strength in the longitudinal direction than in the transverse direction on account of the longitudinally oriented lengths of fibres after the hydrodynamic needle punching, for example. This situation can be improved if the pre-bonded nonwoven undergoes a reorientation of the fibres, for example, during a lateral stretching treatment. The fibres already intertwined in the nonwoven are at least partially reoriented, for example, in the transverse direction. In this new position another hydrodynamic bonding treatment can then take place in order to fix this new position. In this way, the nonwoven is generally stronger than would be possible without this reorientation of the fibres.

Abstract: The novel product consists of hydrodynamically bonded non-woven layers of which at least four layers are stacked and are than joined to one another by only using hard water jets.

Abstract: There are known drum jacket constructions that consist solely of perforated sheet metal. There are also known constructions, which, in order to increase the distance between the drum and the surrounding perforated sheet-metal wire gauze, consist of sheet metal with trusses configured e.g. as sheet-metal rings, or of honeycomb sheet-metal strips that are welded together, or of screwed constructions devoid of welding joints. The simplest solution for increasing said distance is a construction comprising a normal screen drum with struts bent into a U-shape that are screwed to the exterior, whereby the wire gauze lies on the external edges of said struts. Said drum however has a low buckling resistance, which is a required characteristic for the drying of tissue or paper. The novel drum jacket construction thus consists of an intersecting structure of sheet-metal strips, whose rings and strips are provided with corresponding insertion slots.