US3126725A - Machine for sample dyeing - Google Patents

Machine for sample dyeing Download PDF

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US3126725A
US3126725A US3126725DA US3126725A US 3126725 A US3126725 A US 3126725A US 3126725D A US3126725D A US 3126725DA US 3126725 A US3126725 A US 3126725A
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dye
basket
pot
shaft
fabric
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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
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/10—Devices for dyeing samples

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  • This invention relates to dyeing fabric samples.
  • the fabric sample In laboratory dyeing apparatus the fabric sample is usually held by a clamp or a hook and mechanically raised and lowered in the dye liquid to assure proper distribution of the dye. This has the disadvantage that in the area of contact with the holding clamp or hook, the dyeing is likely to be uneven. In some cases, depending on the form of clamp, parts of the sample may remain almost completely undyed.
  • thermoplastic fabrics for example cellulose acetate or polyester yarns
  • the raising and lowering of the fabric develops creases when the dye solution is at a temperature near the boil.
  • the resulting general appearance of the dyed sample is poor, and only portions of them can be used for subsequent tests or display.
  • a cylindrical basket is suspended vertically within a dye pot by a member to appropriate drive mechanism for giving it a rotary reciprocating motion.
  • this connecting member is a shaft extending axially through the basket and connected to its bottom.
  • a number of dye pots are provided, all connected to the same drive so that a number of samples can be dyed at the same time.
  • Each stem is disconnectably connected to an individual drive shaft and the individual drive shaft provided with a handle knob. The drive shaft may thus be removed axially from its connection with the drive mechanism independently of the other drive shafts.
  • the fabric sample is merely rolled into a roll and placed in the basket by slipping it over the supporting shaft.
  • the fabric is dyed evenly without the formation of creases irrespective of the characteristics of the material being processed or dyeing temperatures.
  • a larger sample than usual can be dyed in a given volume of liquor, and consequently liquor-to-cloth ratios closer to those used in production machines can be achieved.
  • Dye recipes tested in the lab can be used directly for production work.
  • FIGURE 1 is a side elevation, partly in section, showing a sample dyeing apparatus having a battery of individual sample dyeing units with a common drive.
  • FIGURE 2 is a top plan View of the apparatus shown in FIGURE 1 illustrating the drive in more detail.
  • FIGURE 3 is an enlarged cross-section along the line 33 of FIGURE 2 showing in detail a portion of the drive mechanism as related to one of the sample holding units.
  • FIGURE 4 is a cross-section of a portion of FIGURE 3 along the lines 4-4, showing somewhat relative posi- "'ice tions of a textile sample, the perforated sample holding cup and dye bath.
  • the sample dyeing apparatus shown consists essentially of a plurality of individual dye pots 17, a plurality of perforated sample holders or baskets 21, one for each dye pot, supporting means for the sample holders including a central rod 25, and a driving mechanism to controllably rotate the sample holders, first in one direction, then in the other.
  • an insulated bath 10 is provided with a closed type steam coil 13 and a cover 15.
  • Steam coils 13 are for bringing the heating liquid in the bath 10, usually Water, to the required temperature.
  • the steam supply can be controlled automatically by known recording controller means to maintain any desired stable temperature of the heating liquid.
  • a cylindrical dye pot -17 having an outstanding annular flange 19 seats in a centering recess 18 in the bath cover 15 sunrounding the opening '16.
  • the bath cover 15 thus supports the dye pot 17 partially immersed in the liquid of the bath.
  • Each perforated sample holder 21 is supported by a centrally placed rod 25 having one end attached to the bottom 20 of the sample holder 21.
  • the sample 23' is placed in the basket by rolling in into a rollhaving an axial opening and slipping it over the top of the rod 25 and allowing it to slide down into contact with the bottom 2t ⁇ of the basket.
  • Each sample holder 21 is rotated several revolutions, first in one direction, then in the other, by a pair of recipr-ooable racks 27 carried on a sliding frame 29.
  • the frame 29 is slideably supported through brackets 30 on rods 32.
  • the racks 27 mesh with pinions 31, fastened to rods 33.
  • the rack supporting frame 29 is reciprocated lengthwise by a crank 35 and connecting lever 37.
  • the crank 35 is rotated by a vertical drive shaft 39 which is driven from below by a motor 41 through suitable speed reduction gearing.
  • the rod 33 which is driven by the pinion 31 is connected through a coupling 43 to the rod 25 of each sample holder 21.
  • the rod 33 can at any time be lifted by a knob 45 to disengage the pinion 31 from the rack 27.
  • the thumb screw 45 By loosening the thumb screw 45, the individual sample holder 21 can be removed and/or replaced without stopping the machine or interfering with the other holders. Replacement is just as easy.
  • This motion of the fabric draws the dye liquor back and forth through its interstices. This has the result of applying the dye evenly to the entire sample.
  • the wall of the basket 21 prevents the fabric from unrolling.
  • the rod 25 retains the sample roll centrally of the basket. Apparently, the roll is rotated partially by the viscous drag of the dye liquor and partly by contact with the end of the roll with the bottom of the basket.
  • the dye pots 17, baskets 21 and rods 25 are preferably made of stainless steel or other inert material to prevent contamination of the dye liquor.
  • the size of a sample will run about 5 to 6 inches in Width, 12 to 15 inches in length.
  • a sample is usually made into a roll having about 10 thicknesses of cloth depending on the nature of the material.
  • the racks 27 reciprocate about times a minute causing rotation of the rods 25, seven turns in each direction alternatively. This is particularly suitable for an apparatus in which the baskets are about 6% inches in height and 1% inches in diameter.
  • An apparatus for dyeing textile samples consisting of a vat provided with a cover for holding a temperature regulating medium, said cover being provided with a plurality of openings arranged in rows, an elongated dye-pot for holding a quantity of dye-liquor mounted in each opening, means for retaining said dye-pot in said opening, an elongated cylindrical fabric-retaining basket within each dye-pot, means for suspending said fabric-retaining basket within said dye-pot comprising a shaft concentric with and extending from said basket and secured to the bottom thereof, said shaft being connected to a transmission means and extending thereabove for rotation of the shaft in either direction, said transmission means including a rod disconnectably connected to said shaft, a pinion on said rod, a common rack engageable with each pinion, and means for reciprocating said rack first in one direction and then in the other whereby a fabric sample when rolled around said shaft is alternatively tightened and loosened while being held by said basket from unwinding to cause diffusion of the liquid in the dye-pot therethrough, the fabric
  • An apparatus for dyeing textile samples comprising, a vat for containing a temperature regulating medium, a horizontal cover on the bath, the cover being provided with parallel longitudinally extending rows of spaced-apart openings, a vertical elongated dye-pot in each opening having a collar adjacent its upper end engaging the cover about the opening, a horizontal supporting frame spaced above the bath, a plurality of shafts rotatably mounted on said frame one in register with each of said openings and each having a lower part extending downwardly from the frame and an upper part projecting above the frame, the lower part of each shaft being connected to a rod projecting downwardly, an elongated cylindrical fabric-retaining basket extending within each dye-pot and having its walls concentric therewith and a floor connected to the lower end of the rod whereby the rod is concentric with the basket, an upper part of the shaft being toothed to provide a pinion, a pair of racks one at each side of said frame and engaging the pinions of the rods at that side of the frame, means mounting

Description

March 31, 1964 F. A. PARKER ETAL MACHINE FOR SAMPLE DYEING 2 Sheets-Sheet 1 Filed Marbh e. 1961 Fro/M AZZe/L PAR/1 ER March 31, 1964 F. A. PARKER ETAL MACHINE FOR SAMPLE DYEING 2 Sheets-Sheet 2 Filed March 6, 1961 flue/vars flank All/e PARKf/P F/ea MA 177/ United States Patent 3,126,725 MACHINE FOR SAMPLE DYEING Frank Allen Parker and Fred Martin, Drummondville,
Quebec, Canada, assignors to Canadian Celancse Limited, Montreal, Quebec, Canada Filed Mar. 6, 1961, Ser. No. 93,414 Claims priority, application Canada Jan. 24, 1961 2 Claims. (Cl. 68-27) This invention relates to dyeing fabric samples.
In laboratory dyeing apparatus the fabric sample is usually held by a clamp or a hook and mechanically raised and lowered in the dye liquid to assure proper distribution of the dye. This has the disadvantage that in the area of contact with the holding clamp or hook, the dyeing is likely to be uneven. In some cases, depending on the form of clamp, parts of the sample may remain almost completely undyed.
With thermoplastic fabrics, for example cellulose acetate or polyester yarns, the raising and lowering of the fabric develops creases when the dye solution is at a temperature near the boil. The resulting general appearance of the dyed sample is poor, and only portions of them can be used for subsequent tests or display.
The applicants have discovered that these disadvantages can be overcome by supporting and confining the sample in the dye liquor in the form of a loose upright roll and subjecting the roll to a reciprocating rotary motion. This causes the roll to tighten and loosen in a pulsating movement which draws the dye back and forth through the interstices in the fabric applying it evenly to the entire sample.
This method may be carried out with an apparatus according to the invention which includes the following features. A cylindrical basket is suspended vertically within a dye pot by a member to appropriate drive mechanism for giving it a rotary reciprocating motion. Preferably this connecting member is a shaft extending axially through the basket and connected to its bottom. Desirably, a number of dye pots are provided, all connected to the same drive so that a number of samples can be dyed at the same time. Each stem is disconnectably connected to an individual drive shaft and the individual drive shaft provided with a handle knob. The drive shaft may thus be removed axially from its connection with the drive mechanism independently of the other drive shafts.
With this arrangement, the need for holding clips or clamps is eliminated. The fabric sample is merely rolled into a roll and placed in the basket by slipping it over the supporting shaft. The fabric is dyed evenly without the formation of creases irrespective of the characteristics of the material being processed or dyeing temperatures. A larger sample than usual can be dyed in a given volume of liquor, and consequently liquor-to-cloth ratios closer to those used in production machines can be achieved. Dye recipes tested in the lab can be used directly for production work.
Having thus described the nature of the invention, particular reference will be made to the attached drawings illustrating a preferred embodiment thereof, and in which FIGURE 1 is a side elevation, partly in section, showing a sample dyeing apparatus having a battery of individual sample dyeing units with a common drive.
FIGURE 2 is a top plan View of the apparatus shown in FIGURE 1 illustrating the drive in more detail.
FIGURE 3 is an enlarged cross-section along the line 33 of FIGURE 2 showing in detail a portion of the drive mechanism as related to one of the sample holding units.
FIGURE 4 is a cross-section of a portion of FIGURE 3 along the lines 4-4, showing somewhat relative posi- "'ice tions of a textile sample, the perforated sample holding cup and dye bath.
The sample dyeing apparatus shown consists essentially of a plurality of individual dye pots 17, a plurality of perforated sample holders or baskets 21, one for each dye pot, supporting means for the sample holders including a central rod 25, and a driving mechanism to controllably rotate the sample holders, first in one direction, then in the other.
More specifically, and with reference to FIGURES 1 and 2, an insulated bath 10 is provided witha closed type steam coil 13 and a cover 15. Steam coils 13 are for bringing the heating liquid in the bath 10, usually Water, to the required temperature. The steam supply can be controlled automatically by known recording controller means to maintain any desired stable temperature of the heating liquid.
Since all the dye pots 17 and perforated sample holders 21 are of a similar construction, reference will be made to that shown in FIGURE 3.
A cylindrical dye pot -17 having an outstanding annular flange 19 seats in a centering recess 18 in the bath cover 15 sunrounding the opening '16. The bath cover 15 thus supports the dye pot 17 partially immersed in the liquid of the bath.
The cylindrical sample holder basket 21, adapted to contain a fabric sample 23 in the form of a roll, is positioned so that it fits freely within the dye pot 17 with the fabric sample 23 totally immersed in the dye. Each perforated sample holder 21 is supported by a centrally placed rod 25 having one end attached to the bottom 20 of the sample holder 21.
The sample 23' is placed in the basket by rolling in into a rollhaving an axial opening and slipping it over the top of the rod 25 and allowing it to slide down into contact with the bottom 2t} of the basket.
Each sample holder 21 is rotated several revolutions, first in one direction, then in the other, by a pair of recipr-ooable racks 27 carried on a sliding frame 29. The frame 29 is slideably supported through brackets 30 on rods 32. The racks 27 mesh with pinions 31, fastened to rods 33. The rack supporting frame 29 is reciprocated lengthwise by a crank 35 and connecting lever 37. The crank 35 is rotated by a vertical drive shaft 39 which is driven from below by a motor 41 through suitable speed reduction gearing.
The rod 33 which is driven by the pinion 31 is connected through a coupling 43 to the rod 25 of each sample holder 21. The rod 33 can at any time be lifted by a knob 45 to disengage the pinion 31 from the rack 27. By loosening the thumb screw 45, the individual sample holder 21 can be removed and/or replaced without stopping the machine or interfering with the other holders. Replacement is just as easy.
The rotation of the roll 23 back and forth first in one direction and then in the other, causes the roll to tighten and loosen in a pulsating movement. This motion of the fabric draws the dye liquor back and forth through its interstices. This has the result of applying the dye evenly to the entire sample. The wall of the basket 21 prevents the fabric from unrolling. The rod 25 retains the sample roll centrally of the basket. Apparently, the roll is rotated partially by the viscous drag of the dye liquor and partly by contact with the end of the roll with the bottom of the basket.
The dye pots 17, baskets 21 and rods 25 are preferably made of stainless steel or other inert material to prevent contamination of the dye liquor.
Generally, the size of a sample will run about 5 to 6 inches in Width, 12 to 15 inches in length. A sample is usually made into a roll having about 10 thicknesses of cloth depending on the nature of the material. The
speed of the rotary motion is relatively critical and is controlled to cause alternate tightening and loosening of the roll without unrolling or causing the cloth to get tangled. The applicants have found that a speed of rtation between about 130 and 150 rpm. is effective. Preferably the racks 27 reciprocate about times a minute causing rotation of the rods 25, seven turns in each direction alternatively. This is particularly suitable for an apparatus in which the baskets are about 6% inches in height and 1% inches in diameter.
The applicants have found that by appropriate adjustment the sample dyeing process can be made to approximate that of production dyeing.
We claim:
1. An apparatus for dyeing textile samples, consisting of a vat provided with a cover for holding a temperature regulating medium, said cover being provided with a plurality of openings arranged in rows, an elongated dye-pot for holding a quantity of dye-liquor mounted in each opening, means for retaining said dye-pot in said opening, an elongated cylindrical fabric-retaining basket within each dye-pot, means for suspending said fabric-retaining basket within said dye-pot comprising a shaft concentric with and extending from said basket and secured to the bottom thereof, said shaft being connected to a transmission means and extending thereabove for rotation of the shaft in either direction, said transmission means including a rod disconnectably connected to said shaft, a pinion on said rod, a common rack engageable with each pinion, and means for reciprocating said rack first in one direction and then in the other whereby a fabric sample when rolled around said shaft is alternatively tightened and loosened while being held by said basket from unwinding to cause diffusion of the liquid in the dye-pot therethrough, the fabric roll being entirely free but supported by the floor of the basket and limited in its outward movement by the Walls thereof.
2. An apparatus for dyeing textile samples, comprising, a vat for containing a temperature regulating medium, a horizontal cover on the bath, the cover being provided with parallel longitudinally extending rows of spaced-apart openings, a vertical elongated dye-pot in each opening having a collar adjacent its upper end engaging the cover about the opening, a horizontal supporting frame spaced above the bath, a plurality of shafts rotatably mounted on said frame one in register with each of said openings and each having a lower part extending downwardly from the frame and an upper part projecting above the frame, the lower part of each shaft being connected to a rod projecting downwardly, an elongated cylindrical fabric-retaining basket extending within each dye-pot and having its walls concentric therewith and a floor connected to the lower end of the rod whereby the rod is concentric with the basket, an upper part of the shaft being toothed to provide a pinion, a pair of racks one at each side of said frame and engaging the pinions of the rods at that side of the frame, means mounting each of said racks for movement longitudinally of said frame, and means for causing longitudinal reciprocating movement of the racks whereby the shafts, rods and haskets are rotated first in one direction a given rotational distance and then in the other direction whereby a fabric sample when rolled around said rod is alternately tightened and loosened while being held by said basket from unwinding to cause diffusion of the liquid in the dye-pot therethrough, the fabric roll being entirely free but supported by the floor of the basket and limited in its outward movement by the walls thereof.
References Cited in the file of this patent UNITED STATES PATENTS 767,568 Kellum Aug. 16, 1904 1,160,001 Schmitz Nov. 9, 1915 1,174,912 Tracy Mar. 7, 1916 1,269,513 Smith June 11, 1918 2,072,323 Wentz Mar. 2, 1937 2,246,104 Osuch July 17, 1941 2,480,921 Hahn Sept. 6, 1949 2,498,416 Hadley Feb. 21, 1950 2,901,902 Horsfall Sept. 1, 1959

Claims (1)

1. AN APPARATUS FOR DYEING TEXTILE SAMPLES, CONSISTING OF A VAT PROVIDED WITH A COVER FOR HOLDING A TEMPERATURE REGULATING MEDIUM, SAID COVER BEING PROVIDED WITHA PLURALITY OF OPENINGS ARRANGED IN ROWS, AN ELONGATED DYE-POT FOR HOLDING A QUANTITY OF DYE-LIQUOR MOUNTED IN EACH OPENING, MEANS FOR RETAINING SAID DYE-POT IN SAID OPENING, AN ELONGATED CYLINDRICAL FABRIC-RETAINING BASKET WITHIN EACH DYE-POT, MEANS FOR SUSPENDING SAID FABRIC-RETAINING BASKET WITHIN SAID DYE-POT COMPRISING A SHAFT CONCENTRIC WITH AND EXTENDING FROM SAID BASKET AND SECURED TO THE BOTTOM THEREOF, SAID SHAFT BEING CONECTED TO A TRANSMISSION MEANS AND EXTENDING THEREABOVE FOR ROTATION OF THE SHAFT IN EITHER DIRECTION, SAID TRANSMISSION MEANS INCLUDING A ROD DISCONNECTABLY CONNECTED TO SAID SHAFT, A PINION ON SAID ROD, A COMMON RACK ENGAGEABLE WITH EACH PINION, MEANS FOR RECIPROCATING SAID RACK FIRST IN ONE DIRECTION AND THEN IN THE OTHER WHEREBY A FABRIC SAMPLE WHEN ROLLED AROUND SAID SHAFT IS ALTERNATIVELY TIGHTENED AND LOOSENED WHILE BEING HELD BY SAID BASKET FROM UNDINDING TO CAUSE DIFFUSION OF THE LIQUID IN THE DYE-POT THERETHROUGH, THE FABRIC ROLL BEING ENTIRELY FREE BUT SUPPORTED BY THE FLOOR OF THE BASKET AND LIMITED IN ITS OUTWARD MVEMENT BY THE WALLS THEREOF.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323337A (en) * 1965-07-02 1967-06-06 Lawrence A Graziano Dye testing apparatus
DE3921503C1 (en) * 1989-06-30 1990-08-23 Bayer Ag, 5090 Leverkusen, De Multiple dosing device for dyeing appts. - comprises row of storage containers with hoses leading to vessels via squeeze filaments
US6094947A (en) * 1997-08-14 2000-08-01 Tecnorama S.R.L. Automatic apparatus for dyeing textile materials

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US767568A (en) * 1903-02-16 1904-08-16 Margaret E Kellum Machine for washing dishes or linen.
US1160001A (en) * 1914-06-13 1915-11-09 Uniform Dyeing Machine Co Process of dyeing.
US1174912A (en) * 1914-03-12 1916-03-07 James J Tracy Apparatus for dyeing and the like.
US1269513A (en) * 1917-08-06 1918-06-11 Richard E Smith Washing-machine.
US2072323A (en) * 1933-05-06 1937-03-02 Wentz William Marcy Dyeing machine
US2246104A (en) * 1938-11-22 1941-06-17 Osuch Francis John Washing apparatus
US2480921A (en) * 1946-07-06 1949-09-06 Herman F Hahn Spraying attachment for centrifugal extractors
US2498416A (en) * 1947-06-12 1950-02-21 Parks & Woolson Machine Co Method of decating fabrics
US2901902A (en) * 1955-12-19 1959-09-01 Horsfall Harold Laboratory dyeing machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US767568A (en) * 1903-02-16 1904-08-16 Margaret E Kellum Machine for washing dishes or linen.
US1174912A (en) * 1914-03-12 1916-03-07 James J Tracy Apparatus for dyeing and the like.
US1160001A (en) * 1914-06-13 1915-11-09 Uniform Dyeing Machine Co Process of dyeing.
US1269513A (en) * 1917-08-06 1918-06-11 Richard E Smith Washing-machine.
US2072323A (en) * 1933-05-06 1937-03-02 Wentz William Marcy Dyeing machine
US2246104A (en) * 1938-11-22 1941-06-17 Osuch Francis John Washing apparatus
US2480921A (en) * 1946-07-06 1949-09-06 Herman F Hahn Spraying attachment for centrifugal extractors
US2498416A (en) * 1947-06-12 1950-02-21 Parks & Woolson Machine Co Method of decating fabrics
US2901902A (en) * 1955-12-19 1959-09-01 Horsfall Harold Laboratory dyeing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323337A (en) * 1965-07-02 1967-06-06 Lawrence A Graziano Dye testing apparatus
DE3921503C1 (en) * 1989-06-30 1990-08-23 Bayer Ag, 5090 Leverkusen, De Multiple dosing device for dyeing appts. - comprises row of storage containers with hoses leading to vessels via squeeze filaments
US6094947A (en) * 1997-08-14 2000-08-01 Tecnorama S.R.L. Automatic apparatus for dyeing textile materials

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