Abstract: The object of the present invention is to make the addition of a dye solution to a long cloth passing through the interior of a high temperature and high pressure steamer continuously, smoothly and surely. Suitable amount of moisture is added to a cloth prior to the supply thereof to a high temperature and high pressure steamer, and a dye solution is added to the thus soaked cloth with the use of nozzles in the interior of the high pressure steamer body. The addition of the dye solution can be made on the entire surface of the cloth speedily and effectively in the interior of the high temperature and high pressure steamer.

Abstract: A method and an apparatus for the continuous pretreatment of a long cloth produced commercially in completely gaseous system, in which, by utilizing the combination of a desizing and scouring process in a low temperature plasma atmosphere and a bleaching process in an atmosphere of ozone and ultraviolet ray radiation, and thus entirely no application of liquid system.

Abstract: A method and an apparatus for the continuous pretreatment of a long cloth produced commercially in completely gaseous system, in which, by utilizing the combination of a desizing and scouring process in a low temperature plasma atmosphere and a bleaching process in an atmosphere of ozone and ultraviolet ray radiation, and thus entirely no application of liquid system.

Abstract: A method for bleaching a cloth comprising subjecting a cloth soaked with an aqueous bleaching solution comprising sodium chlorite to wet heat treatment at a temperature nearly to 100.degree. C., particularly subjecting a long cloth soaked with the bleaching solution to wet heat treatment continuously in an ordinary pressure wet heat treating chamber of which atmosphere being acidified to a pH of 3-4 by the use of an activation agent for making the atmosphere containing sodium chlorite acidic comprising an inorganic acid such as sulfuric acid and hydrochloric acid, an organic acid such as formic acid and acetic acid, and a carbonyl compound such as formaldehyde and acetaldehyde so as to form chlorine dioxide active for the bleaching of a cloth by the decomposition of sodium chlorite, and apparatuses for carrying out the method.

Abstract: A method for the pretreatment of a long cloth continuously in which a cloth to be subjected to desizing, scouring and bleaching for the pretreatment thereof is preliminarily subjected to souring treatment in the sodium chlorite solution prepared by absorbing the chlorine dioxide gas, which is exhausted from the subsequent bleaching process with the use of chlorite, in a solution of H.sub.2 O.sub.2 and NaOH, and accordingly it is possible to transport the long cloth continuously in the pretreating process speedily with no need of staying the cloth in folded state for increasing the productivity and improving the quality of the product, and further to render the pretreating apparatus compact so as suitable for the production of small lot products.

Abstract: A method for desizing and scouring of a long length of cloth comprising desizing a cloth washed with hot water, and then subjecting the cloth thus washed successively to soaking with a hot alkaline sodium chlorite solution, immersing in a hot acid solution with a pH of 2-4, then to soaking with a caustic soda solution, and finally to the wet heat treatment under the ordinary pressure.

Abstract: A method for the decolorization of waste water containing coloring matters comprising dyestuff and/or pigment, in which PVA is added to a waste water containing coloring matters as above mentioned so as to catch the coloring matters in the waste water into the PVA, a precipitant of the coloring matters is added to the resultant waste water so as to render the coloring matters absorbed onto the PVA insoluble, a coagulant of PVA is added to the waste water so as to make the PVA insoluble, and then the thus insolubilized PVA containing the coloring matters is separated for the recovery thereof, and thus the decolorization of a waste water containing the coloring matters can be done skillfully and economically by eliminating the drawbacks in the conventional arts.

Abstract: A method for separation of PVA from an aqueous solution thereof such as the waste water containing PVA from the pretreatment of a textile product, in which a peroxosulfate such as ammonium peroxosulfate is added to an aqueous PVA solution, particularly in an acidic condition with addition of sulfuric acid, at a temperature above 70.degree. C. for the separation of PVA, and as a result the thus separated PVA contains only a small amount of water in the range of about 60-70% and can easily be treated.

Abstract: A method for preventing the adhesion of scale on the sealing mechanism of a high pressure steamer in a process of continuous scouring of a long cloth therein, which comprises washing the cloth to be subjected to scouring with the use of weak acidic water with a pH of 5-6 outside of the steamer body, passing the thus washed cloth through the sealing mechanism of the steamer body, and then applying a scouring agent solution to the cloth in the interior of the steamer body. A durable sealing mechanism can be offered by preventing the damage of the sealing mechanism.

Abstract: An apparatus for low-temperature plasma treatment of a sheet material, comprising a plurality of reaction zones through which the sheet material is transported in an enclosed reaction chamber whose inner pressure can be reduced, in which the reaction zones are provided respectively with an electrode communicating to a high frequency generating device and a plurality of jet nozzles for supplying a gas thereto for generating low-temperature plasma gas, and the reaction chamber and the reaction zones are earthed. Another apparatus for the same purpose is to provide a liquid medium passage passing through the guide rolls for transporting a sheet material to be treated and through the electrodes under reduced pressure for heating or cooling the sheet material under treatment to a prescribed temperature.

Abstract: For the treatment of waste water in the liquid treatment of a textile material, air bubbles are generated in water containing floating impurities stored tentatively in a waste water tank so as to adhere the impurities on the surface of the air bubbles, adhering the impurities together with air bubbles on the surface of a filter comprising a mesh belt or a mesh drum by pulling up the filter successively, and removing the impurities from the filter thus pulled up due to the effect of vacuum suction, and an apparatus therefor. The impurities remaining still on the surface of the filter may further be removed therefrom by washing the filter with the aid of water and air jets.

Abstract: A cylinder drying machine including a plurality of reflecting members arranged in opposition to at least the cloth-contacting surface of each of thermal cylinders, the reflecting members being disposed separately over the cloth-contacting surface of a thermal cylinder so that the distance between the front end portion of each of the reflecting members and the thermal cylinder is shorter than that between the rear end portion thereof and the thermal cylinder with the outer surface of the front end portion of one of two adjacent reflecting members opposed via a clearance to the inner surface of the rear end portion of the other.

Abstract: An apparatus for continuous wet heat treatment of a cloth, comprising a water tank for applying high temperature hot water to a cloth soaked with a treating solution so as to swell the cloth, and a tenter for transporting the thus swelled cloth while giving tension in the width direction of the cloth, and providing three groups of jet nozzles for jetting, respectively, a high temperature and high humidity hot fluid, hot blast and cold blast in succession along the direction of transporting the cloth by means of the tenter.

Abstract: A method for continuous liquid treatment of a cloth comprising transporting a cloth soaked with a treating solution continuously under width expansion by the use of a tenter while subjecting the cloth successively to wet heat treatment by jetting high temperature hot water thereto and drying the resultant cloth by jetting hot blast thereto. Under certain circumstances, it is preferably to swell the cloth by applying high temperature hot water thereto after the cloth is soaked with the treating solution for expanding width of the cloth and/or to dry the cloth tentatively before the wet heat treatment thereof for preventing the peeling off of the treating agent applied to the cloth.

Abstract: A wet heat treating apparatus of a long cloth for performing dyeing and washing in combination comprising a wet heat treating chamber provided with a cloth inlet and a cloth outlet at the bottom thereof, a ceiling with an acute-angled shape, liquid supply means for supplying a high pressure hot liquid to the cloth in the interior of the chamber, a pair of right and left guide roll groups arranged in up and down directions, a group of intermediate guide rolls positioned nearly at the middle of the right and left guide rolls, a transfer mechanism for moving the intermediate guide rolls to the direction of the right and left guide roll groups, and a doorway for an operator to go into and out of the chamber when cleaning the guide rolls. The cleaning of the guide rolls in the wet heat treating chamber can easily and surely be done, and therefore the dyeing and washing of a cloth can be done in combination with the use of a single apparatus satisfactorily.

Abstract: An electrode plate for generating low temperature plasma comprising a plurality of long electrode plate members with the same form, a plurality of cooling water passages, which serve simultaneously as support members, for connecting each pair of the adjacent electrode plate members respectively along their longitudinal direction with a cooling water passage therebetween so as to arrange the adjacent electrode plate members alternately up and down in parallel with no formation of a projection, and cooling water communicating pipes provided outside the electrode plate members.By arranging a pair of the present inventive electrode plates up and down in parallel and supplying high frequency electric current thereto, low temperature plasma can be generated uniformly and effectively all over the electrode plates.

Abstract: An apparatus for the automatic concentration control of an aqueous caustic soda solution in a cloth treating tank through which a cloth to be treated is continuously transported, comprising the provision of a means for adding a neutralization agent to a sample of the caustic soda solution which was squeezed out of a cloth that had been soaked with an aqueous caustic soda solution while in a cloth treating tank; a sensor for detecting the neutralization point of said caustic soda sample solution, to which the neutralization agent is added on the basis of electrical conductivity; a means for detecting the caustic soda concentration of said caustic soda sample solution prior to the addition of the neutralization agent on the basis of the amount of the neutralization agent added until said caustic soda sample solution becomes neutralized as detected by means of said sensor; and a means for supplying a supplementary caustic soda solution to the caustic soda solution in said cloth treating tank so that its concentr

Abstract: A singeing apparatus comprises a guide drum for guiding a cloth to be singed and a singeing gas burner which blows flame against the cloth guided by the guide drum and is located opposite the guide drum. A structure is provided so that warm water can be made to flow in the guide drum and the temperature at a surface of the guide drum is maintained at the dew-point temperature of ambient air.

Abstract: An apparatus for applying a treating solution to a cloth during the continuous treatment thereof, comprising: a cloth guide drum for transporting and guiding a cloth to be treated; a movable treating solution tank provided in close proximity to the circumference of the lower half of the cloth guide drum thus forming a cloth passage of a narrow width therebetween; a cylinder for raising and lowering of the movable treating solution tank; a treating solution supply pipe for supplying a treating solution continuously to the cloth passage; and wash-water jet nozzles for propelling wash water to the inner surface of the movable treating solution tank, the surface of the cloth guide drum, etc.; and its modifications. The operation of exchanging the treating solutions during the continuous treatment of a cloth can be done in a rapid and effective manner with a minimum loss of the treating solution.

Abstract: An apparatus for the continuous wet-heat treatment of a cloth. The apparatus includes a steamer body provided with a plurality of guide rollers for continuous transportation of the cloth to be treated therethrough with formation of up and down snake-like undulations, a plurality of water-receiving tanks for immersing the cloth repeatedly in high temperature water stored therein, and a plurality of cloth-widening rollers floating on the water's surface of the water-receiving tanks and in contact with the cloth for the purpose of increasing its width direction and thereby preventing the formation of curled selvages and creases.