Abstract:
A washer that washes a continuous piece of tubular knitted fabric material. The washer includes a frame, a set of rollers, an air nozzle rack, and a controller. The frame rests on a support surface. The set of rollers are rotatably attached within the frame and guide the material through a washing liquid to wash the material. The air nozzle rack is replaceably attached to within the frame and blows air onto the material to cause ballooning of the material to maximize exposure of a total surface area of the material to the washing liquid. The controller is operatively connected to the set of rollers and minimizes and keeps constant the tension of the material as the material passes through the washing liquid under an influence of the air nozzle rack to thereby provide a more effective wash of the material.
Abstract:
In known pressure impregnating devices there is a chamber, which continuously narrows in the transport direction, between a cylinder around which the web to be impregnated loops, and the inner wall of a trough containing the impregnating agent. The impregnating agent is supplied to the chamber under high pressure, which is further increased in the chamber by dynamic effects. Sealing problems arise at the inlet and outlet slits as well as at the front faces because of the high pressure. Disruptions in the operation can be created by fluff coming loose from the paper web as well as by impregnating agent penetrating between the sliding faces. The new device is intended to remedy these disadvantages, and is provided with the seals have alternating narrow gaps and wide grooves in the form of a labyrinth seal. The grooves are have drain openings for the impregnating agent flowing through.
Abstract:
A pressure saturator for impregnating porous substrate materials with solids in solution, in which a reservoir contains the saturant solution and has a base member with a portion forming a depression therein. A mandrel is disposed within the depression in spaced relation to the surface of the depression. Preferably, the distance between the surface of the depression and the mandrel is three times the thickness of the substrate material. Heating elements are disposed in the base and heat the portion of the base member forming the depression, thereby heating the solution between the mandrel and the surface of the depression. The substrate is fed into the saturator from a supply roll and is passed through the space between the depression and the mandrel. The heated solution causes solids from the solution to replace the air in the interstices of the substrate in a near 100 percent weight-to-weight saturation. The area of the reservoir above the depression and mandrel may be cooled to provide a more effective exchange within the substrate.
Abstract:
In an arrangement for the continuous treatment, especially washing, of spread out liquid permeable textile material in web form, several deflection cylinders, over which the material is conducted and at which liquid on the side of the textile material facing the deflection cylinders is pushed through the textile material, are provided in pairs close together but not touching each other, with the textile material in web form passing immediately from one deflection cylinder of the pair to the other. The deflection cylinder of each pair following the other in the web travel direction is being arranged lower than the preceding deflection cylinder of the pair, so that the textile material runs substantially vertically over a short section when passing from the preceding to the following deflection cylinder of each pair.
Abstract:
In apparatus for cleaning cloth with steam and liquid flow, a cloth such as a textile, knitted fabrics or a tubular knitted material, is supplied into a chamber containing wet heat of about 105.degree. to 110.degree. C., then it is made to advance in a left and right zigzag manner, further the cloth is contacted with a cleaning liquid flowing down from the upper part of the chamber.
Abstract:
An apparatus and method for providing an impregnation/rinsing of a web with fluid is disclosed wherein the web is repeatedly gently squeezed and allowed to open. A perforated conveyor belt carries the web within a longitudinal tank in which a series of squeeze rollers and a series of singular or cooperating rollers are arranged with the cooperating rollers being disposed intermediate the squeeze rollers. The web is carried by the conveyor belt beneath the first squeeze roller where the web is gently squeezed in a nip defined between the conveyor belt and the roller. The conveyor belt then carries the web above a cooperating roller. After the web has been gently squeezed, it is allowed to absorb the fluid in the tank without restraint until the web is gently squeezed again between the conveyor belt and the next squeeze roller. The steps of squeezing and absorbing are repeated throughout the longitudinal tank. Fluid is supplied to the longitudinal tank by one or more orifices which receive fluid from either a collection tank provided beneath the conveyor belt and longitudinal tank and/or from a supply of fresh fluid. The fluid in the tank typically travels in a path which is opposed to the general direction of travel of the web within the tank, especially when the apparatus is used as a rinser.
Abstract:
An endless net conveyor is suspended from a drive wheel which is mounted at an upper part of the apparatus, hanging into a treating bath, and a metal gauze member is extended along the outer periphery of the net conveyor thereby forming a U-shaped path between the net conveyor and the metal gauze member. One upper opening part of the U-shaped path constitutes an introduction side for insertion of the fabric to be treated, and the other upper opening part of the U-shaped path constitutes an exit side for the treated fabric, both upper openings serving to convey the fabric continuously therethrough during treatment. Injection pipes are provided in the bath on both exterior sides of the U-shaped path, namely on an inside side and on an outside side of the path, the injection ports of the pipes being alternatingly directed toward the path. A circulation pump disposed outside of the bath circulates the treatment liquid, the suction side of the circulation pump being connected in communication with the treating bath inwardly of the net conveyor. The blowing side of the circulation pump is connected to the upper part of the U-shaped path and to the injection pipes on both the inside side and the outside side of the path, respectively, via injection-flow control valves.
Abstract:
A method of and apparatus for treating a fabric web with a liquid, in which the fabric web is passed through a bath of the liquid and around and in contact with the perforated periphery of a rotating drum at least partially immersed in the liquid. The drum contains two axially-spaced impellers which circulate the liquid to flow substantially radially through the fabric web and perforated drum periphery and substantially axially within the drum interior and through the ends of the drum. The liquid flow is preferably inwards through the fabric web and drum perforations, and outwards through the ends of the drum. The axial positioning of, or spacing between, the impellers is adjustable, thereby to confine the flow through the fabric web and drum perforations to an adjustably selected region in the length of the drum which substantially coincides with the width of the fabric web.