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Publication numberUS2577727 A
Publication typeGrant
Publication dateDec 11, 1951
Filing dateApr 16, 1949
Priority dateApr 16, 1949
Publication numberUS 2577727 A, US 2577727A, US-A-2577727, US2577727 A, US2577727A
InventorsAbbott Samuel L
Original AssigneeAbbott Worsted Mills Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Pressure dyeing apparatus for textile packages
US 2577727 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Dec, 11, 1951 E. J. ABBOTT 2,577,727

PRESSURE DYEING APPARATUS FOR TEXTILE PACKAGES Filed April 16, 1949 INVENTOR EDWARD J. ABBOTT, DECEASED, BY, SAMUEL L.ABBOTT, EXECUTOR Patented Dec. 11, 1951 PRESSURE DYEING APPARATUS FOR TEXTILE PACKAGES Edward J. Abbott, deceased, late of Wilton, N. H., by Samuel L. Abbott, executor, Wilton, N. H., assignor, by .mesne assignments, to Abbott Worsted Mills, Incorporated, Wilton, N. H., a corporation of New Hampshire Application April 16, 1949, Serial No. 87,873

2 Claims. (Cl. 68-189)' This invention relates to pressure dyeing apparatus for textile strands, such for instance as yarn, in the form of packages.

When yarn is dyed in package form, the packages are of a porous nature and wound on perforated or porous cores, and hot dye liquid can be forced through the bodies of the packages either from the inside outwardly, or the outside inwardly, under a fairly low pressure differential, for instance around 5 lbs. per square inch. To attain a high speed of dyeing and evenness of dyeing it is desirable to force the liquid through the packages at high velocity and volume of flow. However, when an impeller type pump is used to force the hot liquid through the packages, then at high speeds of the pump the phenomenon of cavitation takes place, limiting the rate of circulation of the liquid.

The invention aims to provide a simple and effective means for reducing or preventing this phenomenon of cavitation, so as to permit the pump for the dye liquid to be effective at high speeds.

Other advantageous features of the invention will be apparent from this specification and its drawing wherein the invention is explained by way of example.

The drawing is a diagrammatic view of dyeing apparatus containing the present invention.

As indicated in the drawing, a dye kettle I is provided with a removable but pressure-tight top H, shown in place.

A manifold 13 within the container is adapted to communicate with the interiors of the several wound packages of yarn M, as by perforated tubes l upon which the packages are stacked, each stack being closed at its top so that dye liquid from the manifold is forced radially outwardly through the bodies of yarn of the packages. Dye liquid from the kettle is adapted to fiow from the body of the kettle through a conduit It to the manifold l3, being forced through this path by a pump impeller l8 which may be driven at high speed by an electric motor l9.

As explained above, an ordinary limitation on the speed at which the dye liquid can be taken from the kettle and forced through the packages arises from cavitation occurring at the intake of the pump impeller.

The invention largely reduces this phenomena of cavitation by providing an auxiliary or second pump adapted to take dye liquid at atmospheric pressure and force the same through a conduit 21 into the body of confined dye liquid in communication with the entrance to conduit 2 It, at a superatmospheric pressure. In the arrangement shown, where the circulation of dye liquid is radially outwardly through the packages, and the pump impeller it receives its supply of liquid from the body of the kettle, the conduit 2| can connect directly with the interior of the kettle. Preferably the interior of the kettle is maintained in this manner at a pressure of for example to lbs. per square inch. This has the effect of simulating a materially increased hydraulic head within the kettle, which head is effective in giving the necessary velocity of flow of the hot dye liquid to the intake side of the pump impeller It to suppress cavitation.

The pump 20 may operate continuously during the operation of the pump l9, and any excess of pressure in the kettle may be relieved by a safety valve 24 which may be set for say 30 or 35 lbs. per square inch, not only permitting the exit of excess liquid but also permitting exit of air which separates out of the hot dye liquid. A conduit 25 may lead the escaped liquid from the safety valve to an open reservoir 26, in communication with the intake side of the auxiliary pump 20. The reservoir 26 and pump 20 afford a convenient way for adding further quantities of dye to the kettle.

The volume of flow of the first pump, that is,

A the volume of flow produced by the impeller I8,

will be relatively large compared to that of the second pump 20. whereas the pressure delivered by the pump 20 and maintained in the kettle by the pressure release safety valve 24 will be relatively large compared to the pressure differential of the first pump. Thus the second pump 20, which need provide only a small volume of flow, requires only a small amount of power.

In the apparatus specifically shown, flow of dye liquid is radially outwardly through the packages. If it is desired to arrange the apparatus for flow of the liquid radially inwardly through the bodies of the dye packages, the direction of rotation of the impeller I8 would of course be reversed, and in order that the second pump 20 may supply liquid into communication with the intake side of the impeller l8, the pump 20 should then be connected to deliver its liquid to the conduit l6 at the intake side of the impeller l8, or in a similar manner to the manifold l3.

What is claimed is:

1. Dyeing apparatus including a closed dye kettle, means within the kettle for holding textile packages, means including an impeller type pump for circulating the dye liquid of the kettle through the bodies of the textile packages, said mospheric pressure within the kettle by forcing liquid into the body of dye liquid on the low pressure side of the packages and in communication with the intake side of the first named pump,

thereby to reduce cavitation of the liquid at the impeller of the first named pump, a pressure release device receiving fluid from the said body of liquid on the low pressure side of the packages and thereby limiting the interior pressure of the kettle at the low pressure side of the'packages, a reservoir connected to the intake side of the second pump independently of the first pump, and a return connection from the pressure release device to said reservoir. i

2. Dyeing apparatus including a closed dye kettle, means within the kettle for holding textile packages, means including an impeller type pump for circulating the dye liquid of the kettle through the bodies'of the textile packages, said impeller type pump establishing a pressure difierential through said bodies of the packages and having free communication at its intake with the low pressure side of the packages, a second pump for forcing dye liquid into the body of dye liquid on the low pressure side of the packages and in communication with the intake side of the first named pump, and a pressure release device re ceiving fluid from the said body of liquid on the low pressure side of the packages and limiting the interior pressure of the kettle, the second pump receiving fluid from the pressure release device independently of the first pump, the volume of flow oi the first named pump being rela tively large compared to that of the second pump,

and the pressure maintained on the low pressure side of the packagesin the kettle and intake side of the first pump by the pressure release clevice and the second pump being relatively large compared to the pressure differential of the first pump, thereby to reduce cavitationof the liquid at the impeller of the first named pump.

The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,145,858 Brandwood July 6, 1915 1,327,662 Dudley Jan. 13, 1920 2,437,987 wolfenden Mar. 16, 194:8

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1145858 *Oct 27, 1914Jul 6, 1915John BrandwoodCompact dyeing and like machinery.
US1327662 *Jan 26, 1918Jan 13, 1920 Dyeing-machine
US2437987 *Apr 24, 1945Mar 16, 1948Wolfenden Harry CSpacer and protector for yarnholding devices
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2737041 *Aug 27, 1953Mar 6, 1956Schweizerische ViscoseApparatus for the fluid treatment of textile thread packages
US2881797 *Oct 20, 1955Apr 14, 1959Clermont Edgar JulesPump and fluid circulating system for humid treatment of masses of textile fibers
US3092990 *Apr 27, 1961Jun 11, 1963Callebaut De Blicquy Sa EtsApparatus for treating textile products by means of liquids
US3128779 *Mar 2, 1961Apr 14, 1964Frank E MorrisLine cleaning equipment
US3145555 *Oct 5, 1960Aug 25, 1964Krantz HubertClosed apparatus for the wet treatment and particularly dyeing of textiles with liquor heated to above 100 u deg. c.
US3199752 *Nov 20, 1962Aug 10, 1965Marcel CasseMachine for pressure dyeing felt blanks and the like
US3295340 *Jul 17, 1964Jan 3, 1967Martin KarlDyeing apparatus
US3908409 *Nov 9, 1972Sep 30, 1975Henriksen Vald AsApparatus for the treatment of textiles with liquid
US4985941 *Dec 23, 1988Jan 22, 1991Evans Hydrotherapy Corp.Hydrotherapy machine
US5133995 *Aug 6, 1991Jul 28, 1992Do Anh TProcess and device for preimpregnating reinforcing elements usable for making a composite material, product obtained
US5361790 *Mar 15, 1993Nov 8, 1994Skc LimitedApparatus and method for cleaning a filter assembly
US6233982 *Apr 4, 1996May 22, 2001Thies AgMethod and device for the treatment of ready-to-wear, textile apparel parts
CN103282571A *Dec 23, 2011Sep 4, 2013创新与研究有限责任公司Machine and procedure for the dyeing of reels of yarn and/or textile fibres wound on packages
CN103282571B *Dec 23, 2011Jan 7, 2015创新与研究有限责任公司Machine and procedure for the dyeing of reels of yarn and/or textile fibres wound on packages
WO2012090147A1 *Dec 23, 2011Jul 5, 2012Loris Bellini S.R.L.Machine and procedure for the dyeing of reels of yarn and/or textile fibres wound on packages
Classifications
U.S. Classification68/189
International ClassificationD06B5/16, D06B5/00
Cooperative ClassificationD06B5/16
European ClassificationD06B5/16