US3698211A - Machine for washing and treating with finishing agents yarns of natural, artificial and synthetic fibers wound on a reel - Google Patents

Machine for washing and treating with finishing agents yarns of natural, artificial and synthetic fibers wound on a reel Download PDF

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Publication number
US3698211A
US3698211A US108861A US3698211DA US3698211A US 3698211 A US3698211 A US 3698211A US 108861 A US108861 A US 108861A US 3698211D A US3698211D A US 3698211DA US 3698211 A US3698211 A US 3698211A
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United States
Prior art keywords
reel
washing
machine
spokes
yarns
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Expired - Lifetime
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US108861A
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English (en)
Inventor
Felice Garzotto
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Rimar SpA
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Rimar SpA
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
    • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments
    • D06B5/20—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments through hanks

Definitions

  • ABSTRACT A machine for washing and/or applying finishing agents onto yarns in form of skeins, which prevents any type of friction to the yarn fibers.
  • the machine substantially comprises one or more cells in each of which is rotatably mounted at least one reel on which the skeins of yarns are disposed.
  • each cell At the upper part of each cell a row of nozzles is provided for spraying the washing or treatment liquid and a longitudinal slot for blowing an air flow drying the yarns.
  • Each reel comprises a number of spokes one half of which are movable and alternately disposed between two adjacent stationary spokes on which are pivotedly and resiliently mounted. An example of a complete treatment cycle of the machine is also given.
  • the present invention relates to a machine for washing and/or applying one or more finishing agents onto yarns of natural, artificial or synthetic fibers, and more generally to a machine for applying any treatment whatsoever to which said yarns have to be subjected in the form of skeins.
  • the types of fiber which can be washed and/or treated in said machine are critical and, for example, it is not possible to use this type of machine for synthetic fibers, if not with irreparable deteriorations of the fibers. It is possible, moreover, to mount on the usual dry cleaning machines a reel associated with the common container, on which the skeins of the yarn are wound, so as to reduce the fiberto-fiber friction. Said solution however does not completely solve the problem of the friction to which the fibers are subjected in the bath, with the consequent drawbacks consisting in the formation of hairiness, the deterioration of the hand characteristics, etc.
  • Another object of the invention is to provide a machine which prevents any type of friction for the yarn to be either washed or generally treated.
  • the skeins of yarn are arranged around a reel with respect to which they stand still during the rotation thereof. As a consequence there occurs no fiberto-fiber friction, moreover any friction between the fibers and the side-walls of the drum in the case of rotating drum machines, and any friction between the fibers and the solvent in the case of a bath treatment being avoided.
  • FIG. 1 is a front view of one embodiment of the machine according to the present invention.
  • FIG. 2 is a longitudinal cross-section view along line 1111 ofFIG.1;
  • FIG. 3 is a rear view of the machine of FIG. I, illustrating in particular the circuit of the washing and tre ating liquids;
  • FIG. 4 is a front view of a reel according to the present invention.
  • a machine according to the present invention may consist of any number of elementary machines or cells, wherein one reel such as that shown in FIG. 4 or two or more reels reciprocally integral, as shown in FIG. 2, are rotating.
  • the embodiment of the machine illustrated in the drawings and described hereinafter only by way of example consists, as it is better shown in FIG. 1, of four elementary cells divided into two pairs separated the one from the other. and provided each, on its axis, with two integral reels (FIG. 2).
  • FIG. 1 there is shown a frontview of the above-mentioned type of machine having four cells with two reels each, wherein 1 indicates the frame acting as a carrying structure and housing, and 2 the loading doors provided with a small glass window in the form of a porthole for inside inspection, 3 the control panel and 4 the fan for circulating hot air for drying purposes.
  • FIG. 2 is a cross-section view of the machine along the line 11-11, i.e., along a meridian plane of one of the four cells composing the machine.
  • the reels 8 and 8' indicate the two reels mounted on the same driving shaft 6 and consisting respectively of a tubular axis 7 and 7' and a certain number of spokes 8,8, which are alternatively one stationary and one movable pivoting around a fulcrum which is integral with the adjacent stationary spoke.
  • Each spoke 8, 8' consists of two substantially radial parts, 9, 9' respectively and a longitudinal rod 10, 10' which is parallel to the tubular central axis 7, 7.
  • the reels 8 and 8' are provided with suitable male or female joints, so as to be made integral with the shaft 6 and each other after they are introduced into the machine for loading the skeins of yarn to be Washed and/or treated.
  • the inner side of the door 2 has a tubular sleeve housing 11 adapted to support, during the rotation, the outer ends of the shaft 6 and of the axis 7 of the reel 5 which are engaged within said sleeve 11 when closing the door 2.
  • FIG. 3 represents the pipes which form the circuit of washing liquid and the solution containing the desired finishing agents.
  • the solvent is conveyed by means of the pump 13 and through the valve 14 and the pipe 15 to the nozzles 16 aligned along the pipe 17 located in the upper part of the cell wherein the reels 5 and 5 rotate.
  • the bottom of each cell or chamber is provided with a hole for draining the liquid falling after having soaked the skeins of yarn (see FIG. 2), which hole is connected to a pipe 18 for recycling the liquid.
  • the fan 4 blows an air flow through a slot (not shown in the drawings) provided along the cell wall parallely to the row of nozzles 16 in the pipe 17, so as to send onto the skeins arranged around the reels 5 and 5' an air flow to dry them.
  • the air circulated by the fan 4 may, if so desired, be heated around a system of steam-heated finned tubes or by any other heat source, so that the article be better dried.
  • a condenser is also arranged, which through a cooling system causes the condensation of the organic solvent vapors dragged during the drying stage, which are then recovered and conveyed into the tank 12 containing the solvent.
  • valves 14 and 14' controlled by a program depending on the washing and/or treating cycle, to which the yarns are intended to be subjected, cause the machine to be fed with liquid from either tank 12 or 12a, depending respectively on whether only the washing or also the finishing treatment is required to be effected, tank 12a containing the solution of finishing agents.
  • valves 16a, 16'a determine the path which the washing or finishing liquid has to follow, so that the liquid coming from the machine is recycled immediately without passing through its respective tank whereinto it will be conveyed only once the operation is completed. This especially in order to avoid the formation of excessive foam, particularly in the case of the solution of finishing agents, which have a certain foaming capacity.
  • FIG. 4 gives an example of an embodiment of a reel for a machine according to the present invention.
  • the reel shown in FIG. 4 has three stationary and three movable spokes and has obtained particularly satisfactory results, but it might have any number of spokes, with a minimum of two stationary ones alternated with two movable ones.
  • the movable spokes are pivoted around fulcra 20 on the stationary spokes with respect to which they are allowed to rotate.
  • Each movable spoke is moreover connected in a given point 21 to one end of a spring 22 having its other end integral with the stationary spoke and consequently with the central core of the reel. It has been found that the presence of movable spokes provided with a spring is necessary so that they may adapt themselves to the unavoidable elongation of the fibers when these are wetted and to their shrinking when they are dried.
  • the skeins are always under tension on the reel, which automatically adjusts its diameter to that of the skein both in the variations of length due to the successive wettings and dryings of the yarn and at the different rotation rates required by the processes to which the article is subjected.
  • the movable spokes are not exactly radial but have a tangential component of a determined entity, which still more hampers the possible sliding of the skeins over the reel, when the latter is caused to rotate in the sense opposite to the aforesaid tangential component.
  • the movable spokes may be completely closed by pushing them until they rest on the adjacent stationary spokes, thus permitting to quickly and easily load and unload the skeins.
  • the motor 23 is connected to a continuous speed variator, from zero to 1,000 rpm, which makes it possible to use the most preferred speeds in the various phases of washing, treating, centrifuging and drying, and moreover to gradually move the reels during the centrifuging stage, thus avoiding that a sudden change in speed might cause the skeins to slide on the reel.
  • the following rotation speeds of the reel and durations of the various treating stages may be obtained by the aforesaid speed variator, which could be previously programmed if so desired, according to the type of process to be carried out:
  • Non-shrinking treatment At first, a pre-washing phase takes place at a rate of 15 rpm for a period of 120 seconds, followed by a centrifuging phase at 400 rpm, reached gradually, for a period of seconds. Subsequently, the finishing treatment is carried out at a rate of 15 rpm for seconds, then a second centrifugation at 400 rpm for 40 seconds and finally the drying phase at 15 rpm for 10 minutes. Oiland water-repellency treatment (anti-stain).
  • this treatment includes a first pre-washing phase at a rate of 15 rpm for a period of 120 seconds, followed by a centrifuging phase at 1,000 rpm reached gradually during a period of 60 seconds.
  • the treatment with the finishing agent takes place at 15 rpm for seconds, then the centrifugation at 800 rpm reached gradually, for 60 seconds and finally the drying phase at 15 rpm for 8 minutes.
  • the reel was caused to rotate at a rate of rpm for a period of 120 seconds, whereafter the yarn was centrifuged in order to be separated from the solvent, at a rate of 1,000 rpm for a time of 60 seconds. Said speed was reached gradually by acting upon the speed variator. Subsequently, the dispersed finishing agents was sprayed onto the skeins of yarn while the reel was caused to rotate at 15 rpm for 150 seconds. A centrifuging phase followed at 800 rpm reached gradually by the speed variator, for about 60 seconds; finally, during the drying stage, the reel was caused to rotate at a rate of 15 rpm for 8 minutes.
  • the yarn showed an oilrepellency corresponding to 8 according to the Du Pont scale and a water-repellency corresponding to 100 according to the Spray Rate Test determined on a knitted article manufactured with the treated yarn.
  • the machine according to the present invention herein described may be also provided with a de-odorizing system for eliminating the last traces of solvent, which may optionally be recovered by a system of activated carbon filters.
  • this machine also makes it possible to condition the yarns in the form of skeins by keeping them for a well-determined period of time at a preestablished moisture, without noticing any felting, since the skein stands practically still with respect to the reel and does not present any friction point, which is not possible with any other type of machine.
  • a machine for washing and/or treating with finishing agents yarns of natural, artificial or synthetic fibers comprising at least one elementary cell; driving and supporting means within said cell for rotating at least one reel having a variable diameter and at least four spokes, one half of said spokes being movable and connected through a spring to the stationary part of the reel and arranged alternately with respect to the stationary spokes; spraying means within each of the aforesaid cells for spraying the washing or finishing liquid; means adapted to generate an airflow penetrating into each of said cells; means for draining the a oresaid liquid and recycling same; and two separated tanks, one of which for storing the washing liquid and one for storing the solution employed in the finishing treatment.
  • said driving means consists of an electric motor and a continuous speed-variator.
  • said spraying means comprises a plurality of nozzles provided in a longitudinal conduct placed at the upper part of the inner wall of each of said cells.
  • said supporting means comprises a tubular sleeve on the inner side of the loading door of each of said cells, for supporting the outer ends of the shaft driving the reels and the axis of the outer reel.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US108861A 1970-02-19 1971-01-22 Machine for washing and treating with finishing agents yarns of natural, artificial and synthetic fibers wound on a reel Expired - Lifetime US3698211A (en)

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IT2081870 1970-02-19

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US3698211A true US3698211A (en) 1972-10-17

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US (1) US3698211A (it)
BE (1) BE762853A (it)
BR (1) BR7101019D0 (it)
CH (1) CH518747A (it)
DE (1) DE2103211A1 (it)
FR (1) FR2078482A5 (it)
NL (1) NL7101181A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060108675A1 (en) * 2004-11-19 2006-05-25 International Business Machines Incorporated Apparatus and methods for encapsulating microelectromechanical (MEM) devices on a wafer scale

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610619A (en) * 1898-09-13 Alfred wyser
GB190316549A (en) * 1903-07-28 1903-11-19 Friedrich Cleff Improvements in Apparatus for Dyeing, Bleaching, Mordanting, Washing, and Drying Cloth.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610619A (en) * 1898-09-13 Alfred wyser
GB190316549A (en) * 1903-07-28 1903-11-19 Friedrich Cleff Improvements in Apparatus for Dyeing, Bleaching, Mordanting, Washing, and Drying Cloth.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060108675A1 (en) * 2004-11-19 2006-05-25 International Business Machines Incorporated Apparatus and methods for encapsulating microelectromechanical (MEM) devices on a wafer scale

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Publication number Publication date
FR2078482A5 (it) 1971-11-05
NL7101181A (it) 1971-08-23
DE2103211A1 (de) 1971-09-02
CH518747A (it) 1972-02-15
BE762853A (fr) 1971-07-16
BR7101019D0 (pt) 1973-06-12

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