CA1100257A - Method of color-developing for a printed cloth by a high temperature and high pressure steamer and an apparatus therefor - Google Patents
Method of color-developing for a printed cloth by a high temperature and high pressure steamer and an apparatus thereforInfo
- Publication number
- CA1100257A CA1100257A CA256,372A CA256372A CA1100257A CA 1100257 A CA1100257 A CA 1100257A CA 256372 A CA256372 A CA 256372A CA 1100257 A CA1100257 A CA 1100257A
- Authority
- CA
- Canada
- Prior art keywords
- cloth
- developing
- color
- high pressure
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
ABSTRACT OF THE DISCLOSURE
A method of color-developing for a printed cloth by a high temperature and high pressure steamer in printing such cloths as cotton yarn. synthetic fiber, cotton blend yarn fabric, union cloth, knitted cloth, etc., characterized by introducing said cloth printed by reactive dyes into a high temperature and high pressure steamer.
A method of color-developing for a printed cloth by a high temperature and high pressure steamer in printing such cloths as cotton yarn. synthetic fiber, cotton blend yarn fabric, union cloth, knitted cloth, etc., characterized by introducing said cloth printed by reactive dyes into a high temperature and high pressure steamer.
Description
The present invention relates to a method of color-developing printed cloth by a high temperature and high pressure steamer in printed color-developing of cloth made of 100% cotton yarn or synthetic fiber or cotton blend yarn fabric, union cloth, knitted cloth, etc., wherein it is intended to conduct efficient color-developing by using a high temperature and high pressure steamer in which color-developing of reactive dye is done.
Heretofore, printed color-developing process of cotton cloth using reactive dyes is done ordinarily by placing a cloth having printing done thereon in an ager (a normal pressure color-developing device) for conducting the color-developing for 7 minutes under temperature of 100C, however this color-developing .
method has such shortcoming that cloth will not be completely dried generating lack of uniformity in humidity of cloth thus color-developing will not be uniform, causing color-developing of different color or causing uneven color-developing derived from incomplete color-developing and fixing, thus resulting in defective products.
Further, conventional print color-developing process 20` using reactive dyes had such shortcoming that 10 to 20 water washing tanks are provided for cleaning of cloth having print color-developing done thereon, thus repeating water washing, therefore, the reactive dyes at portions where color-developing and fixing are not satisfactorily done as mentioned above are washed out within the water washing tanks or said washed out dyes adhere again to the cloth, stalning white portions and other portions of the cloth~
The present invention is made to eliminate said short-coming and its purport lies in that a processed cloth having printing or solid dyeing done thereon using reactive dyes is introduced into a high temperature and high pressure steamer for conducting perfect color-developing Since said cloth - ~.
" 11C~0257 having had color-developing done thereon by a high temperature and high pressure steamer has perfect color-developing done thereon under high temperature and high pressure to have clear dyeing done thereon and water washing can be done only with 3 to 4 water washing tanks, equipment required therefor can be simplified, thus its advantages are great.
In accordance with this invention, there is provided a method of developing a color on a cloth, wherein a printed design is formed on said cloth by treating the latter with 10 reactive dyes according to a pattern adapted to form said printed design, which comprises introducing a continuous length of said cloth treated with said reactive dyes into a high temperature and high pressure steamer, forming downwardly hanging sags in said cloth by allowing the latter to wind around vertically reciprocating means, intermittently moving said cloth, while retaining said sags therein, through a high temperature and high pressure steamer, and washing the dyed cloth.
There is also provided an apparatus for developing ; 20 a color on a cloth including means for forming a printed design on said cloth by treating the latter with reactive dyes according to a pattern, which comprises a high temperature and high pressure steamer, means for introducing a continuous length of said cloth treated with said reactive dyes into said high temperature and high pressure steamer, vertically recipro-. cating means forming downwardly hanging sags in said cloth by allowing the latter to wind around said reciprocating means, means to intermittently moving said cloth, while retaining said sags therein, through said high temperature and high pressure steamer, and means for washing said dyed cloth.
A ~ -2-Now, the present invention will be explained in detail based on the example shown in the drawing.
The drawing is a schematic diagram to show an example of a device used in a printed color-developing process according to the present invention.
What is shown as (1) is a cloth such as cotton cloth on which reactive dye is coated, and said cloth (1) is introduced into a high pressure steamer vessel (3) through an inlet seal mechanism (2). What is shown as (4) is a cloth push down roll, and while said roll (4) is attached to a forward end of a chain or rope (6) which is guided ànd supported by a driving pulley 15), a weight (7) is connected to the other end of said rope (6).
Therefore the roll (4) is reciprocatedly moved up and down by regular and reverse rotation of the driving pulley (5). What are shown as (8) are a number of cloth conveying rolls which move intermittently within the high pressure steamer (3) and said rolls (8) are hung on and supported by and between a pair of left and right endless chains (9) with uniform intervals and in parallel manner. What are shown as (10) are guide wheels to guide the endless chains (9), and (11) is an intermittent driving wheel, while (12) is a cloth outlet seal mechanism of the high pressure steamer vessel (3), and (13) are cloth hold down rolls.
Now, when the cloth (1) is introduced into the steamer vessel (3) through the inlet seal mechanism, said cloth (1) is pushed down by the descending action of the cloth push down roll ~ 2a-...
. . .
(4) and a sag is formed in the cloth (1). Then the cloth push down roll (4) ascends, and when the sag of cloth forms a pre-scribed size by gravity, the chains (9) rotate for a prescribed distance and the cloth is conveyed for one step hanging on the rolls (8) which proceed simultaneously with said chains (9), thus the cloth is sandwiched between the cloth hold down rolls (13) and the conveying rolls (8). Then the cloth push down roll (4) descends again to form the sag of the cloth (1) and the cloth push down roll (4) and the conveying rolls (8) make intermittent movement in a same manner as men~ioned above for consecutively conveying the cloth (1) in a no_tension state.
Thus the cloth (1) conveyed within the steamer vessel (3) has a high temperature and high pressure processing done thereon and has color-developing done thereon with water being supplied from showers, then the cloth is taken out of the steamer (3) through the cloth outlet seal mechanism (12), thus color-developing process is done thereon. And since a water sealing tank (14) is provided within the outlet seal mechanism (12) in this example, preliminary water washing is done by said water sealing tank (14), thus the set up is helpful for water washing.
Example:
The temperature within the steamer is made 1~0C. and the cotton cloth (1) having reactive dyes coated thereon was introduced into said steamer then said cotton cloth was processed within the steamer for about 2 minutes by heating under pressure, then as a result color-developing was perfectly done with efficient and clear dyeing. Further the water washing process of thus color-developed cotton cloth is shortened, thus the number of water washing tanks was made to 3 to 4 only.
According to the present invention explained above, since the cloth after printing did not have unevenness in drying that is unevenness in humidity by the high temperature ll~G257 and high pressure processing of the steamer, the printed color-developing (dyeing) was done quite perfectly and clearly, furthermore the white portion of the processed cloth was not stained, thus the value of merchandise was enhanced compared to that of a-color-developed cloth obtained by normal pressure color-developing process in a conventional method.
Heretofore, printed color-developing process of cotton cloth using reactive dyes is done ordinarily by placing a cloth having printing done thereon in an ager (a normal pressure color-developing device) for conducting the color-developing for 7 minutes under temperature of 100C, however this color-developing .
method has such shortcoming that cloth will not be completely dried generating lack of uniformity in humidity of cloth thus color-developing will not be uniform, causing color-developing of different color or causing uneven color-developing derived from incomplete color-developing and fixing, thus resulting in defective products.
Further, conventional print color-developing process 20` using reactive dyes had such shortcoming that 10 to 20 water washing tanks are provided for cleaning of cloth having print color-developing done thereon, thus repeating water washing, therefore, the reactive dyes at portions where color-developing and fixing are not satisfactorily done as mentioned above are washed out within the water washing tanks or said washed out dyes adhere again to the cloth, stalning white portions and other portions of the cloth~
The present invention is made to eliminate said short-coming and its purport lies in that a processed cloth having printing or solid dyeing done thereon using reactive dyes is introduced into a high temperature and high pressure steamer for conducting perfect color-developing Since said cloth - ~.
" 11C~0257 having had color-developing done thereon by a high temperature and high pressure steamer has perfect color-developing done thereon under high temperature and high pressure to have clear dyeing done thereon and water washing can be done only with 3 to 4 water washing tanks, equipment required therefor can be simplified, thus its advantages are great.
In accordance with this invention, there is provided a method of developing a color on a cloth, wherein a printed design is formed on said cloth by treating the latter with 10 reactive dyes according to a pattern adapted to form said printed design, which comprises introducing a continuous length of said cloth treated with said reactive dyes into a high temperature and high pressure steamer, forming downwardly hanging sags in said cloth by allowing the latter to wind around vertically reciprocating means, intermittently moving said cloth, while retaining said sags therein, through a high temperature and high pressure steamer, and washing the dyed cloth.
There is also provided an apparatus for developing ; 20 a color on a cloth including means for forming a printed design on said cloth by treating the latter with reactive dyes according to a pattern, which comprises a high temperature and high pressure steamer, means for introducing a continuous length of said cloth treated with said reactive dyes into said high temperature and high pressure steamer, vertically recipro-. cating means forming downwardly hanging sags in said cloth by allowing the latter to wind around said reciprocating means, means to intermittently moving said cloth, while retaining said sags therein, through said high temperature and high pressure steamer, and means for washing said dyed cloth.
A ~ -2-Now, the present invention will be explained in detail based on the example shown in the drawing.
The drawing is a schematic diagram to show an example of a device used in a printed color-developing process according to the present invention.
What is shown as (1) is a cloth such as cotton cloth on which reactive dye is coated, and said cloth (1) is introduced into a high pressure steamer vessel (3) through an inlet seal mechanism (2). What is shown as (4) is a cloth push down roll, and while said roll (4) is attached to a forward end of a chain or rope (6) which is guided ànd supported by a driving pulley 15), a weight (7) is connected to the other end of said rope (6).
Therefore the roll (4) is reciprocatedly moved up and down by regular and reverse rotation of the driving pulley (5). What are shown as (8) are a number of cloth conveying rolls which move intermittently within the high pressure steamer (3) and said rolls (8) are hung on and supported by and between a pair of left and right endless chains (9) with uniform intervals and in parallel manner. What are shown as (10) are guide wheels to guide the endless chains (9), and (11) is an intermittent driving wheel, while (12) is a cloth outlet seal mechanism of the high pressure steamer vessel (3), and (13) are cloth hold down rolls.
Now, when the cloth (1) is introduced into the steamer vessel (3) through the inlet seal mechanism, said cloth (1) is pushed down by the descending action of the cloth push down roll ~ 2a-...
. . .
(4) and a sag is formed in the cloth (1). Then the cloth push down roll (4) ascends, and when the sag of cloth forms a pre-scribed size by gravity, the chains (9) rotate for a prescribed distance and the cloth is conveyed for one step hanging on the rolls (8) which proceed simultaneously with said chains (9), thus the cloth is sandwiched between the cloth hold down rolls (13) and the conveying rolls (8). Then the cloth push down roll (4) descends again to form the sag of the cloth (1) and the cloth push down roll (4) and the conveying rolls (8) make intermittent movement in a same manner as men~ioned above for consecutively conveying the cloth (1) in a no_tension state.
Thus the cloth (1) conveyed within the steamer vessel (3) has a high temperature and high pressure processing done thereon and has color-developing done thereon with water being supplied from showers, then the cloth is taken out of the steamer (3) through the cloth outlet seal mechanism (12), thus color-developing process is done thereon. And since a water sealing tank (14) is provided within the outlet seal mechanism (12) in this example, preliminary water washing is done by said water sealing tank (14), thus the set up is helpful for water washing.
Example:
The temperature within the steamer is made 1~0C. and the cotton cloth (1) having reactive dyes coated thereon was introduced into said steamer then said cotton cloth was processed within the steamer for about 2 minutes by heating under pressure, then as a result color-developing was perfectly done with efficient and clear dyeing. Further the water washing process of thus color-developed cotton cloth is shortened, thus the number of water washing tanks was made to 3 to 4 only.
According to the present invention explained above, since the cloth after printing did not have unevenness in drying that is unevenness in humidity by the high temperature ll~G257 and high pressure processing of the steamer, the printed color-developing (dyeing) was done quite perfectly and clearly, furthermore the white portion of the processed cloth was not stained, thus the value of merchandise was enhanced compared to that of a-color-developed cloth obtained by normal pressure color-developing process in a conventional method.
Claims (7)
1. A method of developing a color on a cloth, wherein a printed design is formed on said cloth by treating the latter with reactive dyes according to a pattern adapted to form said printed design, which comprises introducing a continuous length of said cloth treated with said reactive dyes into a high temperature and high pressure steamer, forming downwardly hanging sags in said cloth by allowing the latter to wind around vertically reciprocating means, intermittently moving said cloth, while retaining said sags therein, through a high temperature and high pressure steamer, and washing the dyed cloth.
2. An apparatus for developing a color on a cloth including means for forming a printed design on said cloth by treating the latter with reactive dyes according to a pattern, which comprises a high temperature and high pressure steamer, means for introducing a continuous length of said cloth treated with said reactive dyes into said high tempera-ture and high pressure steamer, vertically reciprocating means forming downwardly hanging sags in said cloth by allow-ing the latter to wind around said reciprocating means, means to intermittently moving said cloth, while retaining said sags therein, through said high temperature and high pressure steamer, and means for washing said dyed cloth.
3. A method of colour-developing cloth printed or otherwise coated with a reactive dye, in which said dye-coated cloth is advanced continuously through a steam-chamber in a substantially tensionless condition and there subjected to steam-treatment at a temperature exceeding 100°C and at super ambient pressure.
4. A method as claim 3 in which the cloth treated contains cotton yarn or a synthetic fibre, or is a cotton blend yarn fabric, a union cloth or a knitted cloth.
5. A method as claimed in claim 3 or claim 4 in which the dye-coated cloth is subjected to steam-treatment at a temperature of about 160°C.
6. Apparatus for color-developing cloth printed or otherwise coated with a reactive, which comprises a steaming chamber, adapted for the steaming of cloth, inlet means and outlet means for admitting and withdrawing dye-coated cloth to and from said chamber while maintaining a super ambient pressure therein, and within said chamber a cloth conveyor for conveying the cloth in a tensionless condition comprising a series of equi-spaced cloth supporting elements mounted for endless intermittent advance from adjacent the inlet means to adjacent the outlet means, a reciprocatable looping member for forming a sag between the pair of cloth supporting elements adjacent the inlet means, advancing means for inter-mittently advancing said conveyor by the interval between a consecutive pair of cloth-supporting elements, and looping means movable alternately with said advancing means for intermittently reciprocating the looping member to form a sag while the conveyor is stationary.
7. An apparatus as claimed in claim 6 in which the cloth conveyor comprises two parallel endless chains support-ing between them a series of equi-spaced cloth-carrying rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA256,372A CA1100257A (en) | 1976-07-06 | 1976-07-06 | Method of color-developing for a printed cloth by a high temperature and high pressure steamer and an apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA256,372A CA1100257A (en) | 1976-07-06 | 1976-07-06 | Method of color-developing for a printed cloth by a high temperature and high pressure steamer and an apparatus therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1100257A true CA1100257A (en) | 1981-05-05 |
Family
ID=4106372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA256,372A Expired CA1100257A (en) | 1976-07-06 | 1976-07-06 | Method of color-developing for a printed cloth by a high temperature and high pressure steamer and an apparatus therefor |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1100257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186742A (en) * | 2020-08-27 | 2021-07-30 | 安徽蓝天巾被有限公司 | Method for fixing pigment for dyeing cloth |
-
1976
- 1976-07-06 CA CA256,372A patent/CA1100257A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186742A (en) * | 2020-08-27 | 2021-07-30 | 安徽蓝天巾被有限公司 | Method for fixing pigment for dyeing cloth |
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