Abstract:
A liquor-circulating device in a high-temperature and highpressure dyeing machine is disclosed, which comprises a pump casing, a pressured vat connected to said casing, a perforated cylindrical support provided within said vat and having fabrics to be treated wound around its outer periphery, a fixed partition mounted between said pump casing and said pressured vat and having a pair of liquor flowing holes communicated respectively with the inside and outside of said cylindrical support, a switching valve provided within said pump casing and having a liquor delivery section and a liquor suction section, each of said sections including a liquor-communicating aperture shaped similarly and opposed to each of said liquor flowing holes, and a driving member for said switching valve, whereby said driving member may cause said switching valve to rotate to change the relative position between each said liquor-communicating aperture and each said liquor flowing hole in said fixed partition and thus accomplish an adjustment in the direction of flow and the flow rate of the liquor fed by means of a pump.
Abstract:
Apparatus for treating yarns and webs of material wherein a rotating perforated drum is positioned within a closed casing and has an inner centrifugal pump delivering treating fluid through the perforations to yarns or webs wound on the outer surface of the drum.
Abstract:
The present invention discloses a beam-dyeing process for pile fabrics having a pile of acrylic fibers involving use of a perforated plate of triangular cross section to eliminate winding irregularities and maintenance of specific winding density and volume rate of flow of dye liquor during dyeing.
Abstract:
Apparatus for treating material comprising a container including a plurality of enclosed separate chambers for receiving bodies of material and in which a relatively small clearance will be provided by adjacent surfaces of the chambers and the material therein; the chambers comprising a portion of a heat-exchanger and including means for supplying either heating or cooling fluid in controlled quantities and at a controlled temperature within the container along the chambers, and including means for circulating a treatment liquid in a conduit system to effect circulation and recirculation of the treating liquid through the individual chambers to attain uniformity of treatment and minimizing apparatus space while affording an effective material treatment in a minimum amount of time through accurate and empirical temperature control.
Abstract:
In dyeing processes the velocity of the dyeing liquid when passing through the material to be treated is important. The forcing of the liquid through the material imposes a heavy load upon the pump, and it has been found, that a more uniform dyeing is obtained with less expenditure of power if the dyeing apparatus is provided with at least two compartments into which the bulk of material to be treated may be placed in two smaller batches. The two compartments are alternatingly connected to the pump, in such a manner that one compartment will always contain flowing liquid while the other contains liquid at rest. The term for switching over may be selected with respect to the material to be treated and the type of dyestuff, but each period of activity should be sufficient long to permit a complete substitution of the liquid within the compartment.
Abstract:
A PROCESS FOR THE TREATMENT OF A SUBSTANTIALLY CYLINDRICAL PACKAGE WHICH COMPRISES PASSING A PROCESSING FLUID THROUGH THE PACKAGE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ITS LONGITUDINAL AXIS.
Abstract:
Apparatus for the fluid treatment of thread or sheet-like material with fluids comprising, a perforated drum about which the material to be treated is wrapped, and characterized in that a member is arranged within the drum to reduce the space therein to be occupied by the fluid so that efficient treatment may be effected with a relatively small amount of fluid.
Abstract:
TEXTILE MATERIAL IS PLACED IN A CONTAINER HAVING A FLEXIBLE WALL PORTION AND AIR IS EVACUATED FROM THE MATERIAL WHICH IS COMPRESSED BY THE FLEXIBLE WALL PORTION SIMULTANEOUSLY WITH IMPREGNATING OR DYESTUFF LIQUID BEING SUCKED IN AND FLOWS INTO THE TEXTILE MATERIAL FROM SUPPLY PIPES WHICH ARE CONNECTED WITH CONTAINERS FOR DYESTUFF OR IMPREGNATING LIQUID. THEN THE PRESSURE DIFFERENCE BETWEEN THE OTER AND THE INNER SIDE OF THE CONTAINER IS EQUALISED DURING ELASTIC EXPANSION OF THE TEXTILE MATERIAL. IN THIS WAY BLURRED COLOURS AFTER COMPLETION
OF THE IMPREGNATION ARE AVOIDED AND THE CONSUMPTION OF DYESTUFF LIQUID IS VERY SMALL.