摘要:
An apparatus for the continuous treatment of an advancing web such as a cotton fabric with one or more reactive gases comprises one or more reaction chambers, each including fluid discharge means for directing a treating gas onto the web in the chamber and evacuation means disposed on both ends of the chamber to prevent both the fluid from escaping from the chamber and the fluid outside the chamber from entering the chamber. Heating means adapted to heat the continuously advancing web of fabric material may also be provided. Suitable heating means include a plurality of heated rotary drums. Such an apparatus may be used for the application of gases such as formaldehyde or sulfur dioxide or both to a cellulose fibercontaining fabric at an elevated temperature and in the presence of controlled amounts of moisture. In this manner, a previously applied N-methylol precondensate can be ''''wet fixed'''' in the fabric, thus making it possible to improve the wrinkle resistance and other shape-holding properties of the fabric while preserving good fabric strength after an eventual dry cure. Such a process can also be used directly to impart the desired shape-holding properties to the fabric, e.g., by crosslinking cotton by means of an acid-catalyzed formaldehyde reaction in the described apparatus.
摘要:
The present disclosure relates to a steamer apparatus for the dyestuff fixing of textile materials made of natural and synthetic fibers which comprises a heat-insulated treatment chamber containing a plurality of conveying rollers disposed in the upper portion thereof, and containing a drive means associated therewith, heating means disposed within said treatment chamber, inlet means for introducing the material to be treated to said treatment chamber and outlet roller means disposed at substantially the same level as said conveying roller but outside of the treatment chamber, said outlet roller means communicating with the drive means of the last conveying roller.
摘要:
The present disclosure is directed to a process and apparatus for the heat-treatment of textile materials wherein the material to be treated, for example thick material layers, can be heated shock-like to the treatment temperature and subsequently heated very uniformly. According to the present disclosure the treatment medium, for example steam, is evenly distributed throughout the treatment chamber.
摘要:
A roller-lock is used as a sealing system for the inlet and outlet of material webs into or out of autoclaves and consists of a series of individual pressure chambers which are separated or defined by pairs of rollers whereby, the material passing from the atmosphere into the the pressure chamber of the autoclave moves through several staged pressure chambers having increasing pressure therein. When the material passes out of the autoclave it moves through the same chambers in an opposite direction to be subjected to staged decreasing pressure as it passes out of the sealing system.
摘要:
The disclosure relates to an apparatus for steam processing tubular knitted fabric, as in a spreading or calendering operation. The steamer apparatus of the invention is characterized by its ability effectively to impart steam to the fabric at much higher rates than has been possible heretofore, consistent with satisfactory quality. Since the steaming of the fabric heretofore has constituted a limiting or bottleneck stage of calendering or similar processing operations, the ability of the new steaming device to increase the effective rate of steam application can be translated directly into higher production rates in the fabric processing operation as a whole. The new steaming apparatus includes a pair of dripless steam boxes of heretofore known construction arranged above and below the plane of the fabric in a manner well known per se. According to the invention, however, these steam boxes are closely embraced and enclosed by a steam chamber housing, which momentarily confines the billowing steam in the immediate vicinity of the fabric surface. To advantage, the excess steam is removed by way of a down-draft exhaust system.
摘要:
The present disclosure relates to a process for the treatment of thick, voluminous textile materials such as carpets, plushes, needled felts, and the like, made, for example, of wool, polyamides and polyacrylonitrile fibers. More particularly, the present disclosure is directed to a process for dyeing or printing large widths of thick, voluminous textile materials which comprises applying the dyestuffs and auxiliary agents to the textile material, heat-treating said textile material in a heating-up zone, steam-treating the textile material to set the dyestuffs in a dwell zone, washing the textile material and drying the textile material with hot air.
摘要:
Fibrous materials are continuously heat-treated under pressure by passage through a heat-treating chamber filled with a pressurized heating fluid and provided with at least a pair of symmetrical sealing chambers which are located at the inlet part and the outlet part of the heat-treating chamber. Sealing fluid is introduced into the sealing chambers through pipes for introducing the sealing fluid; and ejected from the clearances A and A'' toward the outside of the heat-treating chamber, while applying a static pressure to the atmosphere around the fibrous materials passing through the slits formed in the central part of the inlet and outlet of the heat-treating chamber. Leakage of the pressurized heating fluid from the heat-treating chamber can be thereby prevented, and the fibrous materials can be heat-treated without any damages.
摘要:
AN IMPROVEMENT FOR SEALING DEVICES FOR CONTINUOUS WEB PROCESSING TANKS WHICH HAVE A SLOT FOR PASSAGE OF THE WEB IN AND OUT OF THE TANK, WITH THE SLOTS INCLUDING A PAIR OF MEMBRANE FOIL MEANS POSITIONED ABOUT THE SLOT SO THAT THE WEB PASSES BETWEEN THE MEMBRANE MEANS, THE IMPROVEMENT COMPRISING A SPRING MEANS FIXEDLY MOUNTED AT ONE END ON THE MEANS FORMING THE SLOT AND POSITIONED TO CONTACT ONE OF THE MEMBRANE FOIL MEANS UNDER SPRING COMPRESSION AT A POINT URGING THAT ONE MEMBRANE MEANS TOWARDS THE OTHER MEANS.