US2404837A - Method of making cotton fabrics with differential elastic properties - Google Patents
Method of making cotton fabrics with differential elastic properties Download PDFInfo
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- US2404837A US2404837A US509133A US50913343A US2404837A US 2404837 A US2404837 A US 2404837A US 509133 A US509133 A US 509133A US 50913343 A US50913343 A US 50913343A US 2404837 A US2404837 A US 2404837A
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- 239000004744 fabric Substances 0.000 title description 95
- 229920000742 Cotton Polymers 0.000 title description 14
- 238000004519 manufacturing process Methods 0.000 title description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 238000000034 method Methods 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000002745 absorbent Effects 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 239000003518 caustics Substances 0.000 description 4
- 235000013351 cheese Nutrition 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000135164 Timea Species 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical class NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
- D06M11/40—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table combined with, or in absence of, mechanical tension, e.g. slack mercerising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S602/00—Surgery: splint, brace, or bandage
- Y10S602/90—Method of making bandage structure
Definitions
- 'I'his invention relates to the production of a cotton fabric with a high degree of stretchability and of elasticity in one direction in the piece, at the same time with approximately normal elastic properties in the other direction.
- differential Such different elastic behavior in the two directions in one piece of goods is herein referred to as differential.
- the extra stretchability and elasticity may be in the warp (lengthwise) direction in the piece, or in the filling (width) direction. In either case the stretchability and possible elastic recovery in the other direction will be approximately normal, by which is meant that they are of such low values as commonly found in plain cotton cloth of ordinary constructions; or not signicantly greater than in the original fabrics from which the new types of fabric are prepared.
- the two modifications are (1) allowing the shrinkage to take place in only one direction while restraint is exerted to prevent shrinking in the other direction, and (2) allowing the shrinkage to take place in both directions, and then pulling the fabric back by tension in one direction to as nearly as possible its original length or width, according as the elastic properties are to be developed in width or length respectively.
- the combined crimp and kinkiness will be generally called crimp.
- the yarns thus crimped in the piece goods have elastic properties'l which they impart to the fabricmaking it, in effect, elastic in one direction while remaining relatively inelastic in the other direction.
- These new fabrics are intended for uses where a cloth is desired to stretch in one direction and to remain relatively tight and firm in the other direction. They are particularly, adapted to various mechanical uses, of which surgical bandages are examples; and are especially useful where a cloth must fit tightly over an irregular surface. They are very useful where more stretch is needed in a fabric than can be obtained with c ordinary cloth; where a cloth may be required to stretch occasionally and to return to approximately its original dimensions; and where used as a wrapping and the elasticity and self-tightening features allow a close fit without the cloth being pu't on at high tension. At the present time some ⁇ of these effects are obtained from knittingsbut my new fabrics are entirely different. in construction from stretchable cloths produced in this way.
- My new fabrics are similar in effect to present commercial fabrics with elasticity produced by highly twisted yarns such as used in crepe styles,
- the improved fabrics will also find use for household purposes and in clothing. Such stretching effects can be obtained as are now produced by cutting on the bias, with a saving in waste of cloth'and the advantage of better elasticity.
- these new fabrics are sur- 4gical bandages similar to the usual absorbent gauze type with the added properties of easy stretchability in length with a high elastic recovery upon release of the stretching tension, and a non-slip surface, but with no unusual elastic properties in width.
- the bandages may have these special elastic properties in width but not in length.
- FIG. 1 illustrates a piece of loosely woven cheese cloth just as it comes from the loom.
- Figure 2 shows the same cloth after treating, and shows especially the crimp and kinkiness in the yarns in one direction in the piece, and the similarity of the straight yarns in the other direction to those in the original cloth.
- This drawing is only diagrammatic but it is a faithful reproduction from enlarged photographs of areas of these fabrics.
- the increased closeness of the vertical threads is a'rough measure of the shrinkage and of the new elastic properties of the horizontal threads.
- the complete crimp does not show because much of it is in the line of sight as one looks at the drawing.
- the process of treatment is not limited to such light weight fabric as used in absorbent bandages but these will serve as very convenient specific examples of the preparation of fabrics stretchable and elastic in one direction and not in the other.
- Fabrics of this type for bandage purposes can be made from a cotton cheese cloth of 28 warp threads and 24 filling threads per inch.
- Example 1 This is an example of the general method of restraining the fabric in one direction and allowing shrinkage to take place only in the other direction, in this casein width.
- a piece of the above cloth is wound in open width on one of the rollers of a dye jig of the type used for dyeing piece goods.
- the cloth is then passed while under considerable tension through a. solution of sodium'hydroxide of such concentration, for example 20 or 25%, as will normally cause rapid swelling of the cotton -fibers and shrinking of the cloth.
- the cloth may be previously wet so that the ⁇ sodium hydroxide will penetrate and act upon it quickly, or the sodium hydroxide solution may contain a wetting agent to help wet the cotton and promote rapid action.
- the cloth will shrink in width while remaining at its original length and is vwound while wet with caustic upon another roller.
- the caustic in the machine can be replaced with water and the cloth is washed in several such waters until free from the sodium hydroxide.
- the cloth is then dried while under tension inlength but with as little tension and stretching as possible in width. Ifv tension is not applied during drying the cloth may relax a little in length but not enough to allect the differential elastic properties to any material extent.
- the above cloth in rope form or open width is dropped loosely into a solution of sodium hydroxide, such as described in Example 1, S0 that it can shrink completely.
- the excess sodium hydroxide is removed, usually by careful squeezing, and the residual alkali thoroughly Washed out.
- the cloth is then stretched back in width on a tenter frame as nearly as possible to its original width and dried, with just as little tension as possible in the lengthwise direction of the piece in order not to reduce the shrinkage and stretchiness in that direction.
- the Width may be rocovered while the cloth still contains the caustic, and the washing eected while the cloth is in this stretched state.
- the cloth is finally dried with care not to change the dimensions of the goods sufficiently to affect the differential elastic properties.
- Fabrics have been prepared by these methods from a cheese cloth of 2B x 24 thread count, containing yarns of numbers 28 and 37 on the cotton system, and of 20 and 26 twists per inch, in warp and lling respectively.
- a method comprising treating an open weave cotton fabric with an agent which swells the ce1- lulose, thereby tending to shrink the fabric, removing the cellulose-swelling agent, and drying the fabric. the while maintaining it under tension in one direction and substantially under no -tension in the direction normal thereto, whereby the individual yarns of the fabric running in the non-tensioned direction are crimped and the yarns running in the tensionecl direction are substantially non-crimped, thus imparting elasticity to the fabric in the noni-tensioned direction and substantially no elasticity in the other direction.
- a method comprising treating an openweave cottonfabric with an agent which swells the cellulose, thereby tending to shrink the fabric, the while maintaining the fabric under tension in one direction and allowing it to shrink in a direction normal thereto, removing the cellulose swelling agent and also drying the fabric While the tension is so maintained, whereby the individual yarns of the fabric are crimped in the direction of the shrinking while thc-se in the other ldirection are not, thus imparting elasticity to the fabric in the direction of crimping and substantially no elasticity in the other direction.
- a method comprising treating an open weave cotton fabric with an agent which swells the ce1- lulose, thereby shrinking the fabric in all directions, removing the cellulose-swelling agent, tensioning the fabric in one direction to remove the shrink in that direction without tensioning it in the direction normal thereto, and drying the fabric while the tension is maintained, whereby the individual yarns of the fabric are crimped in the non-tensioned direction while those in the tensioned direction are not, thus imparting elasticity to the fabric in the direction of crimping and substantially no elasticity in the other direction.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Materials For Medical Uses (AREA)
Description
July 30, 1946- c. F. GoLDTHwAxT METHOD OF MAKING COTTON FABRICS WITH DIFFERENTIAL ELASTIG PROPERTIES Filed Nov. 5, 1943 ad. MM
Patented July 30, 1946 METHOD `OF MAKING COTTON FABRICS WITH DIFFERENTIAL ELASTIC PROPER- TIES charles F. Golathwait, New orleans, La', signor to the United States of America, as represented by the Secretary of Agriculture Application November 5, 1943, Serial No. 509,133
(Granted under the act of March 3, 1883, as amended April 30, 1928; 370 0. G. 757) 6 Claims.
This application is made under the act of March 3, 1883, as amended by the act of April 30, 1928, and the invention herein described, if patented. may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment to me of any royalty thereon.
'I'his invention relates to the production of a cotton fabric with a high degree of stretchability and of elasticity in one direction in the piece, at the same time with approximately normal elastic properties in the other direction. Such different elastic behavior in the two directions in one piece of goods is herein referred to as differential.
The extra stretchability and elasticity may be in the warp (lengthwise) direction in the piece, or in the filling (width) direction. In either case the stretchability and possible elastic recovery in the other direction will be approximately normal, by which is meant that they are of such low values as commonly found in plain cotton cloth of ordinary constructions; or not signicantly greater than in the original fabrics from which the new types of fabric are prepared.
This invention is akin to that of my co-pending application Serial No. 509,134, filed November 5, 1943, now Patent No. 2,379,574 entitled Surgical bandages with improved elastic properties, but diers from it in that the improved elastic properties are present in fabrics in only one direction at a time in the piece instead of in both directions at Qnce. New surface properties that cause layers of the fabric to resist forces tending to make them slip on other layers are developed here to a somewhat lesser degree than in the fabrics of the application mentioned above, because the yarns in the cloth are greatly modified in only one direction in the piece instead of in both directions. T'he new fabrics with improved elastic properties in only one direction are prepared by a somewhat similar method. They are prepared by either of two modifica- -tions of the general method of shrinking suitable fabrics by means of swelling agents for cellulose, removing the swelling agent and then drying the goods with a minimum of tension.
The two modifications are (1) allowing the shrinkage to take place in only one direction while restraint is exerted to prevent shrinking in the other direction, and (2) allowing the shrinkage to take place in both directions, and then pulling the fabric back by tension in one direction to as nearly as possible its original length or width, according as the elastic properties are to be developed in width or length respectively.-
A large proportion of the shrinkagein one direction or the other of the piece. as desired, is retained in the form of added crimp and kinkiness in the yarn in the shrunken direction inthe fabric. Hereafter, the combined crimp and kinkiness will be generally called crimp. The yarns thus crimped in the piece goods have elastic properties'l which they impart to the fabricmaking it, in effect, elastic in one direction while remaining relatively inelastic in the other direction.
These new fabrics are intended for uses where a cloth is desired to stretch in one direction and to remain relatively tight and firm in the other direction. They are particularly, adapted to various mechanical uses, of which surgical bandages are examples; and are especially useful where a cloth must fit tightly over an irregular surface. They are very useful where more stretch is needed in a fabric than can be obtained with c ordinary cloth; where a cloth may be required to stretch occasionally and to return to approximately its original dimensions; and where used as a wrapping and the elasticity and self-tightening features allow a close fit without the cloth being pu't on at high tension. At the present time some `of these effects are obtained from knittingsbut my new fabrics are entirely different. in construction from stretchable cloths produced in this way.
Other commercial fabrics are made stretchable and elastic by the aid of rubber. My invention has no relation whatever to them.
My new fabrics are similar in effect to present commercial fabrics with elasticity produced by highly twisted yarns such as used in crepe styles,
but are entirely different in structure and method of production. A particularly pertinent example is 'an elastic bandage made highly stretchable lengthwise by means of highly twisted yarns, and unstretchable across the width. MyA improved fabrics can be made with very similar behavior as illustrated below but, as stated, are entirely different in construction.
The improved fabrics will also find use for household purposes and in clothing. Such stretching effects can be obtained as are now produced by cutting on the bias, with a saving in waste of cloth'and the advantage of better elasticity.
Fabrics made stretchable in only one direction by my shrinking process have the advantages over fabrics shrunken in both directions that there is much less loss of area during manufacture and that they are firmer.
Specific examplesof these new fabrics are sur- 4gical bandages similar to the usual absorbent gauze type with the added properties of easy stretchability in length with a high elastic recovery upon release of the stretching tension, and a non-slip surface, but with no unusual elastic properties in width. Alternatively the bandages may have these special elastic properties in width but not in length.
'I'he result of the treatment of cheese cloth by the methods indicated above to produce a bandage fabric is shown in the accompanying draw- Figure 1 illustrates a piece of loosely woven cheese cloth just as it comes from the loom. Figure 2 shows the same cloth after treating, and shows especially the crimp and kinkiness in the yarns in one direction in the piece, and the similarity of the straight yarns in the other direction to those in the original cloth. This drawing is only diagrammatic but it is a faithful reproduction from enlarged photographs of areas of these fabrics. The increased closeness of the vertical threads is a'rough measure of the shrinkage and of the new elastic properties of the horizontal threads. The complete crimp does not show because much of it is in the line of sight as one looks at the drawing. That is, it is actually above and below the plane of the fabric. It can be easily seen that the fabric portrayed in Figure 2 can be stretched if enough tension is applied to straighten the crimp. Then, if thebandage has been properly manufactured, there is enough elastic effect in the cotton to cause the crimp to re-enter the yarn upon release of the tension and to return the cloth to very nearly its shrunken size. The crimp also makes the fabric rough and imparts non-slip properties. Thus Figure 2 shows t the changes in the cloth which cause the new and useful properties in this new type of fabric.
The process of treatment is not limited to such light weight fabric as used in absorbent bandages but these will serve as very convenient specific examples of the preparation of fabrics stretchable and elastic in one direction and not in the other. Fabrics of this type for bandage purposes can be made from a cotton cheese cloth of 28 warp threads and 24 filling threads per inch.
Example 1.-This is an example of the general method of restraining the fabric in one direction and allowing shrinkage to take place only in the other direction, in this casein width.
A piece of the above cloth is wound in open width on one of the rollers of a dye jig of the type used for dyeing piece goods. The cloth is then passed while under considerable tension through a. solution of sodium'hydroxide of such concentration, for example 20 or 25%, as will normally cause rapid swelling of the cotton -fibers and shrinking of the cloth. The cloth may be previously wet so that the `sodium hydroxide will penetrate and act upon it quickly, or the sodium hydroxide solution may contain a wetting agent to help wet the cotton and promote rapid action.
In this example the cloth will shrink in width while remaining at its original length and is vwound while wet with caustic upon another roller.
It may ybe passed back and forth from roller to roller until it has reached its maximum shrinkage in width.
Then the caustic in the machine can be replaced with water and the cloth is washed in several such waters until free from the sodium hydroxide. The cloth is then dried while under tension inlength but with as little tension and stretching as possible in width. Ifv tension is not applied during drying the cloth may relax a little in length but not enough to allect the differential elastic properties to any material extent.
Example 2.-This is an example of the method of complete shrinkage. and approximate recovery of one dimension of the cloth leaving the special elastic properties in the cloth in the other direction only. 1
The above cloth in rope form or open width is dropped loosely into a solution of sodium hydroxide, such as described in Example 1, S0 that it can shrink completely.
After the shrinkage is complete the excess sodium hydroxide is removed, usually by careful squeezing, and the residual alkali thoroughly Washed out. The cloth is then stretched back in width on a tenter frame as nearly as possible to its original width and dried, with just as little tension as possible in the lengthwise direction of the piece in order not to reduce the shrinkage and stretchiness in that direction.
Alternatively, the Width may be rocovered while the cloth still contains the caustic, and the washing eected while the cloth is in this stretched state.
The cloth is finally dried with care not to change the dimensions of the goods sufficiently to affect the differential elastic properties.
Fabrics have been prepared by these methods from a cheese cloth of 2B x 24 thread count, containing yarns of numbers 28 and 37 on the cotton system, and of 20 and 26 twists per inch, in warp and lling respectively.
When tested in the directions in which the ew elastic effects have been produced, by means of stretching to given percentages and releasing to recover elastically, the results shown in Table 1 were obtained for the fabrics prepared by the methods of Examples 1 and 2 respectively, with the process shrinkages shown in the second column.
In the examples given above only those steps in the manufacture of absorbent type bandage fabrics have been indicated which are necessary to produce fabrics having the described surface and elastic properties. It is to be understood 'that the cloth can be acidied and Washed to remove alkali, or kier boiled and bleached to make it absorbent, at any selected timeA in the process Without substantially changing the nature of 'my new treatment. It is also to be understood that the shrinking treatment can be varied greatly in detail without departing from the spirit of my invention. It is only necessary that a large amount of shrinkage, not necessarily the maximum that might be attained, shall be put into the goods and retained completely through sub- .sequent processing, or to a suilicient degree to impart the properties which have been described.
It is tobe understood that the examples given above are not in any sense limitations and it is clear that various modifications and changes in the method of treatment and in the product may be employed without departing from the spirit and scope of the invention.
It is possible to produce a great range of effects represented by different weights and types of fabric and different degrees of stretchability and elastic recovery. `Each fabric can be designed to meet requirements which may be imposed. The twist in the yarns will control to a certain extent the maximum amount of shrinkage that can bereached. The size of the yarns and the number of threads per inch in the goods will affect the shrinkage somewhat but will control particularly the weight and closeness of structure of the resulting fabric. Finally some of the shrinkage can be taken out by suitable tension during fmlshing if necessary to meet requirements of predetermined dimensions and elastic effects.
The methods of producing these new fabrics do not interfere with their absorbency if they are properly bleached for use as absorbent bandages. In fact the improved cloth texture and the presencerc-f residual swelling in the cotton tend to improve the absorbency.
Other proposals have been made to utilize the shrinking effects of caustic alkalies on cotton fabrics but not with the present object in view. Such have been shrunken more or less completely to obtain closeness of texture, or wool-like characteristlcs, but the fabric structures resulting fromv such shrinkage are in no way related to my new fabrics, whether made for bandages or other purposes, Where the shrinkage has been utilized to develop new and useful elastic properties in one direction in a piece of cloth without suchproperties in the other` direction.
Having thus described my invention, I claim:
1. A method comprising treating an open weave cotton fabric with an agent which swells the ce1- lulose, thereby tending to shrink the fabric, removing the cellulose-swelling agent, and drying the fabric. the while maintaining it under tension in one direction and substantially under no -tension in the direction normal thereto, whereby the individual yarns of the fabric running in the non-tensioned direction are crimped and the yarns running in the tensionecl direction are substantially non-crimped, thus imparting elasticity to the fabric in the noni-tensioned direction and substantially no elasticity in the other direction.
2. The method of claim l, wherein the cellulose-swelling agent is sodium hydroxide.
3. A method comprising treating an openweave cottonfabric with an agent which swells the cellulose, thereby tending to shrink the fabric, the while maintaining the fabric under tension in one direction and allowing it to shrink in a direction normal thereto, removing the cellulose swelling agent and also drying the fabric While the tension is so maintained, whereby the individual yarns of the fabric are crimped in the direction of the shrinking while thc-se in the other ldirection are not, thus imparting elasticity to the fabric in the direction of crimping and substantially no elasticity in the other direction.
4. The method of claim 3, wherein the cellulose-swelling agent is sodium hydroxide.
5. A method comprising treating an open weave cotton fabric with an agent which swells the ce1- lulose, thereby shrinking the fabric in all directions, removing the cellulose-swelling agent, tensioning the fabric in one direction to remove the shrink in that direction without tensioning it in the direction normal thereto, and drying the fabric while the tension is maintained, whereby the individual yarns of the fabric are crimped in the non-tensioned direction while those in the tensioned direction are not, thus imparting elasticity to the fabric in the direction of crimping and substantially no elasticity in the other direction.
' 6. The method of claim 5, wherein the cellulose-Swelling agent is sodium hydroxide.
CHARLES E.` GOLDTHWAII.
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Application Number | Priority Date | Filing Date | Title |
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US509133A US2404837A (en) | 1943-11-05 | 1943-11-05 | Method of making cotton fabrics with differential elastic properties |
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US509133A US2404837A (en) | 1943-11-05 | 1943-11-05 | Method of making cotton fabrics with differential elastic properties |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2823444A (en) * | 1954-10-07 | 1958-02-18 | Johnson & Johnson | Bandage |
US3145132A (en) * | 1961-08-02 | 1964-08-18 | Kendall & Co | Woven stretchable fabrics |
US3227511A (en) * | 1961-08-02 | 1966-01-04 | Kendall & Co | Methods of forming woven stretchable fabrics |
US3255509A (en) * | 1963-12-23 | 1966-06-14 | Kendall & Co | Method for producing needled textile structures |
US3281205A (en) * | 1960-12-12 | 1966-10-25 | Stevens & Co Inc J P | Process of producing wool fabrics exhibiting unidirectional stretch |
US3285690A (en) * | 1962-12-14 | 1966-11-15 | Jr Albert S Cooper | Method of improving the dimensional stability and elastic recovery of allcotton stretchable fabrics and products thereof |
US3287788A (en) * | 1963-11-21 | 1966-11-29 | Riegel Textile Corp | Method of making stretchable cotton fabrics |
US3290752A (en) * | 1963-03-26 | 1966-12-13 | Thomaston Cotton Mills | Woven cotton-polyester blend fabrics having recoverable stretch characteristics |
US3460536A (en) * | 1966-10-21 | 1969-08-12 | Kimberly Clark Co | Sanitary napkin with conformable wrapper |
US3514249A (en) * | 1966-01-20 | 1970-05-26 | Monsanto Co | Stretchable woven fabrics |
US3680561A (en) * | 1969-09-09 | 1972-08-01 | Heinz Baron | Fiber fleece for medical or hygienical purposes |
US4342565A (en) * | 1979-08-20 | 1982-08-03 | Burlington Industries, Inc. | Brushed stretch denim fabric and process therefor |
US20150247267A1 (en) * | 2014-03-03 | 2015-09-03 | Comfortex Window Fashions | Variable transparency fabric, window shade including same and related method |
-
1943
- 1943-11-05 US US509133A patent/US2404837A/en not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2823444A (en) * | 1954-10-07 | 1958-02-18 | Johnson & Johnson | Bandage |
US3281205A (en) * | 1960-12-12 | 1966-10-25 | Stevens & Co Inc J P | Process of producing wool fabrics exhibiting unidirectional stretch |
US3145132A (en) * | 1961-08-02 | 1964-08-18 | Kendall & Co | Woven stretchable fabrics |
US3227511A (en) * | 1961-08-02 | 1966-01-04 | Kendall & Co | Methods of forming woven stretchable fabrics |
US3285690A (en) * | 1962-12-14 | 1966-11-15 | Jr Albert S Cooper | Method of improving the dimensional stability and elastic recovery of allcotton stretchable fabrics and products thereof |
US3290752A (en) * | 1963-03-26 | 1966-12-13 | Thomaston Cotton Mills | Woven cotton-polyester blend fabrics having recoverable stretch characteristics |
US3287788A (en) * | 1963-11-21 | 1966-11-29 | Riegel Textile Corp | Method of making stretchable cotton fabrics |
US3255509A (en) * | 1963-12-23 | 1966-06-14 | Kendall & Co | Method for producing needled textile structures |
US3514249A (en) * | 1966-01-20 | 1970-05-26 | Monsanto Co | Stretchable woven fabrics |
US3460536A (en) * | 1966-10-21 | 1969-08-12 | Kimberly Clark Co | Sanitary napkin with conformable wrapper |
US3680561A (en) * | 1969-09-09 | 1972-08-01 | Heinz Baron | Fiber fleece for medical or hygienical purposes |
US4342565A (en) * | 1979-08-20 | 1982-08-03 | Burlington Industries, Inc. | Brushed stretch denim fabric and process therefor |
US20150247267A1 (en) * | 2014-03-03 | 2015-09-03 | Comfortex Window Fashions | Variable transparency fabric, window shade including same and related method |
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