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Random pleating of fabric

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Publication number
US2851206A
US2851206A US44761454A US2851206A US 2851206 A US2851206 A US 2851206A US 44761454 A US44761454 A US 44761454A US 2851206 A US2851206 A US 2851206A
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Prior art keywords
fabric
pleating
edge
channel
effect
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Expired - Lifetime
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Guenther Hermann
Robert C Squier
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Joseph Bancroft and Sons Co
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Joseph Bancroft and Sons Co
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C23/00Making patterns or designs on fabrics
    • D06C23/04Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping

Description

Se t. 9, 1958 Filed Aug. 5, 1954 H. GUENTHER ETAL RANDOM PLEATING OF FABRIC 2 Sheets-Sheet 2 United States Patent RANDOM PLEATING 0F FABRIC Hermann Guenther, Mendenhall, Pa., and Robert C. Squier, Newark, DeL, assignors to Joseph Bancroft & Sons Company, Wilmington, DeL, a corporation of Delaware Application August 3, 1954, Serial No. 447,614

8 Claims. (Cl. 223--28) This invention relates to pleating, crinkling, or rufiling of fabrics. Although, as just indicated, the novel effects obtainable according to the present invention may be described by various different terms, for simplicity in the following description, the term pleating is used.

The invention is especially concerned with a random pleating effect, i. e., a pleating of which the pleats are of random width and also of random length.

One of the objects of the invention is to provide an effective and simple method and equipment for randomly pleating fabrics, according to which the pleating operation is carried on continuously during the passing of a fabric web through the apparatus.

It is also an object of the invention to provide for imparting durability to the pleating effect produced so that the pleats will withstand laundering and extensive use over a prolonged period without substantial loss of the original effect.

According to the invention the pleating lines extend transversely of the fabric web, and another object of the invention is the .provision of a method and equipment for varying the size of the pleats in different regions transversely of the fabric web. In one preferred embodiment, the pleats in the region toward one edge of the web are relatively small as compared with the pleats toward the opposite edge of the web, thereby providing a piece of fabric which not only has the pleasing effect which is characteristic of the random pleating of this invention, but which further is especially well suited for use in circular skirts, in which it is desirable to have a more pronounced gathering of the fabric at the edge used at the waistline, as compared with the edge used at the hemline.

How the foregoing and other objects and advantages are attained will appear more fully from the following description referring to the accompanying drawings, in which-- Figure l is an outline elevational view of certain portions of the equipment used according to the present invention;

Figure 2 is an enlarged fragmentary view taken generally as indicated by the line 22 on Figure 1, with certain parts omitted for clarity;

Figure 3 is a further enlarged sectional view taken substantially as indicated by the section line 3-3 on Figure 2;

Figure 4 is a plan view of certain parts shown in Figure 3; and

Figure 5 is a view similar to Figure 3 but indicating a different condition of operation.

Referring now to the drawings, the numerals 6 and 7 designate the'two rolls of a pair of rolls between which the fabric F to be treated is passed.- The rolls are pressed toward each other and thus effect positive feed of the fabric from the entrance to the exit nip thereof.

As best seen in Figures 3 and 5, a pair of doctor blades 8 and 9 are arranged in the exit nip of the rolls and are spaced from each other to define a channel into which ice the fabric is fed and packed by the rolls 67. These doctor blades project from upper and lower plates 10 and 11 which define a continuation of the fabric-receiving channel, the plates 10 and 11 being appropriately mounted on supporting structure including the upright angle members 12 which are arranged one at each end of the rolls.

At the delivery edge of the channel in which the fabric is packed for pleating, a series of yielding discharge gate elements 13 are provided, each of these gate elements being pivotally mounted along an axis 14. The gate elements are adapted to be weighted as by placement of a bar or rod-type weight 15 upon the upper side of the gate.

The fabric is adapted to be heated while it is packed within the pleating channel and for this purpose heater elements are preferably associated with both, the upper and the lower plates 10 and 11. Such heater elements are indicated at 16 and 17 on Figures 3 and 5.

As the pleated fabric is delivered from the discharge edge of the pleating channel, it is received on the curved support and guide 18, from which the fabric is drawn into the heater 19 which may be of any appropriate type adapted to heat the fabric and thus fix the pleated finish under slack conditions. For instance the heater 19 may be of the loop or festoon type.

With the foregoing general description of the equipment in mind, attention is now directed to the following description of a typical pleating operation.

An impregnant capable of fixing the pleated effect upon heating of the impregnated fabric is first applied to the fabric web. Such impregnant may comprise any one of a wide variety of materials, for instance melamine type resin materials. Usually such impregnation is effected by application of an aqueous solution of the resin materials, followed by drying the fabric to provide a moist condition. The impregnated and moist fabric is then fed between the rolls 67 which feed the fabric into the pleating channel formed between the doctor blades 89 and the plates 10-11. In initiating this operation, a board or other member dimensioned to fit the pleating channel is inserted in the channel from the discharge edge thereof, as indicated at B in Figures 1, 2 and 3. The inner edge of this member B serves as a base against which the fabric is packed as it is delivered into the pleating channel from the rolls 6 and 7. In Figures 3 and 5 the fabric is shown within the channel in a somewhat diagrammatic manner. In actual practice the several bends or pleats of the fabric will pack together until the channel is virtually solidly packed with fabric bent upon itself in a somewhat random manner, thereby providing the random pleating effect hereinabove referred to. As the feed of the fabric into the channel progresses the member B is permitted to move edgewise' out of the discharge edge of the pleating chanel, and when the channel is completely filled the member B is removed and the operation then continues so long as the feed is continued.

Upon removal of the member B, the discharge gate elements 13 drop down to the position indicated in Figure 5 and thus provide a point of reaction against which the packing of the fabric in the pleating channel will continue. Also as shown in Figure 5, the fabric will of course be continuously discharged between the gate elements 13 and the extreme edge of the lower plate 11. It will be understood that during normal operation the pleating channel is completely filled or packed with the pleated fabric, all the way back into the exit nip between the rolls 6 and -7.

The heater elements 16 and 17 serve to dry the pleated and packed fabric as it advances in the pleating channel. In this connection it is pointed out that the proportions of the pleating channel, especially the width thereof from the exit nip of the rolls to the discharge edge of the chan nel is preferably sufficient to provide for at least substantially complete drying of the pleated fabric before it is discharged from the pleating channel. This is of importance in ensuring that the pleating effect will be retained during the subsequent handling of the fabric to transfer it to and pass it through the heating or curing oven, such as indicated at 19. Indeed, in some instances, at least a portion of the setting or curing may even take place within the pleating channel.

In a typical case the heater elements are arranged to provide for heating of the fabric within the pleating channel to a temperature of from about 130 F. to about 250 F. Moreover, in a typical installation the pleating channel may have a height of about from inch to about inch, and a width at least as great as about 6 inches, so that the length of fabric in the channel will be something of the order of 20 to 70 times the width of the channel, i. e., the distance from the exit nip of the rolls to the discharge edge of the channel.

The size and sharpness of the pleating effect will vary according to the weight of the discharge gate elements 13 and the weights 15 applied thereto. By increasing the weighting of the gate elements the size of the pleats will on the average be diminished and the sharpness of pleating will be increased.

By sectionalizing the gate elements 13, this weighting may be used at different region transversely of the fabric web, thereby further accentuating the random effect of the pleating.

In one preferred arrangement, the weighing of the discharge gates is progressively increased from one edge of the fabric web toward the opposite edge thereof, the result of which is to produce a pleating in which the average pleat dimension is greater toward one edge of the fabric than toward the opposite edge thereof, this being especially useful in the production of a pleated fabric for use in a circular skirt as hereinabove mentioned. The difference in pleating or packing pressure in different regions of the fabric may be set up by using heavier weighting on the gate elements 13 toward one edge of the fabric, as compared with the weighting of the gate elements toward the other edge of the fabric.

It is also contemplated that in the production of a fabric having a more pronounced gathered effect toward one edge than toward the opposite edge, the differential effect be periodically inverted or transposed as between the two opposite edges of the fabric. In this way one section of a fabric web will have the wider pleats at one edge and the succeeding section will have the wider pleats at the opposite edge. of the wide and narrow pleating effects throughout the length of a long fabric web will enable the rolling up of such a web without producing an excessively lopsided roll.

After the drying operation which occurs in the pleating chamber, the pleating is sufficiently fixed to permit feed of the fabric under low tension without loss of the pleating effect and the effect is therefore retained during such feed of the fabric to and through the curer, in'which the fabric temperature is raised sufficiently to set or fix the resin or other impregnant used in the initial impregnation of the fabric. Heating the fabric in the curer from about 250 F. to about 400 F. for a time of from 100 minutes to 1 minute is ordinarily sufficient for this purpose.

The invention is applicable to fabrics of a wide variety of types including cellulosic fabrics such as cotton and certain rayon materials. It may also be used with other synthetic fabrics such as nylon, etc.

The nature of the impregnant employed may also be varied without departing from the spirit of the invention, the important consideration here being that the impregnant be capable of fixing the pleated effect upon heating the impregnated fabric.

The apparatus herein disclosed may also be employed Repeated repetition of this transposition for imparting random pleated effects to fabrics to which an impregnant has not been applied.

In connection with the process herein disclosed it is pointed out that the invention also contemplates the imparting of random pleated effects to fabrics which have been previously treated to impart certain other effects. Thus, it is contemplated that a fabric may be impregnated and dried to a moist condition and then subjected to calendering or embossing, as by calendering or embossing rolls. According to the invention, such a fabric, prior to curing, is subjected to the random pleating operation of the present invention and is thereafter cured whereby a random pleated effect is superimposed upon the calendered or embossed fabric, and both effects fixed by the same curing. When operating in this way, it may be desired to re-moisten the fabric between the calendering or embossing and the pleating, depending upon the extent to which the fabric is dried as a result of the calendering or embossing itself.

We claim:

1. A method for imparting a durable pleated effect to fabric comprising applying to the fabric an aqueous solution of an impregnant capable of fixing the pleated effect upon heating the impregnated fabric, continuously passing the impregnated fabric while moist between a pair of pressure rolls, continuously delivering the still moist fabric in unpleated form from the exit nip of the pressure rolls directly into one edge of a confined chamber having a yielding discharge gate at the edge remote from said exit nip, whereby the fabric is folded and pressure packed in said chamber and thereby randomly pleated, heating the fabric while packed in said chamber, the heating being at least sufficient to substantially dry the fabric, continuously delivering the pleated and dried fabric from said chamber through said discharge gate under the influence of the action of the pressure rolls which deliver the fabric into said chamber, and thereafter heating the fabric in slack condition to fix the pleated effect.

2. A method according to claim 1 in which the packing pressure applied to the folded fabric in said chamber is different in different regions across the width of the fabric.

3. A method according to claim 1 in which the packing pressure applied to the folded fabric in said chamber is greater in a region toward one side edge of the fabric as compared with a region toward the other side edge of the fabric, and further in which the relatively high and low packing pressure regions are periodically transposed as between the two side edges of the fabric.

4. Apparatus for imparting a durable pleated effect to a moist fabric carrying an impregnant capable of fixing the pleated effect upon heating the fabric, said apparatus comprising, in combination with a pair of pressure rolls, a pair of blades which are spaced apart from each other to define a channel for receiving fabric as it is delivered from the exit nip of the rolls, one edge of each blade being adjacent to and extending along the exit nip of said rolls, and the edges of the channel remote from the roll nip having a yielding closure gate normally tending to close the channel and yieldingly oppose the delivery of fabric from the channel, whereby the fabric passing through the channel is folded and pressure packed and thereby randomly pleated, and a heater associated with said chamber and providing for heat transfer to the fabric packed in said chamber at least sufficient to effect substantial drying of moist and impregnated fabric delivered into said chamber by said rolls.

5. Apparatus according to claim 4 in which said yielding closure gate is sectionalized to provide a plurality of gate sections arranged serially across the width of the fabric in said chamber.

6. Apparatus according to claim 5 and further including means providing different closing force on one gate section as compared with another.

7. Apparatus according to claim 5 and further including means providing different closing force on a gate section adjacent one edge of the fabric as compared with the closing force on a gate section toward the other edge of the fabric.

8. A method for imparting a durable pleated effect to fabric comprising applying to the fabric an aqueous solution of an impregnant capable of fixing the pleated effect upon heating the impregnated fabric, imparting a mechanical finish effect to the fabric while in a moist condition, continuously passing the impregnated and mechanically finished fabric While in a moist condition between a pair of pressure rolls, continuously delivering the still moist fabric in unpleated form from the exit nip of the pressure rolls directly into one edge of a confined chamber having a yielding discharge gate at the edge remote from said exit nip, whereby the fabric is folded and pressure packed in said chamber and thereby randomly pleated, heating the fabric while packed in References Cited in the file of this patent UNITED STATES PATENTS 1,128,618 Morgan Feb. 5, 1915 1,164,790 De Voe Dec. 21, 1915 1,402,584 Elrod Ian. 3, 1922 1,789,421 Angelus Jan. 20, 1931 1,936,668 Hamilton et al. Nov. 28, 1933 2,141,235 Angeletti Dec. 27, 1938 2,769,584 Zinamon et a1. Nov. 6, 1956

US2851206A 1954-08-03 1954-08-03 Random pleating of fabric Expired - Lifetime US2851206A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939536A (en) * 1973-03-30 1976-02-24 Deering Milliken Research Corporation Apparatus for imparting a random wrinkled or crushed appearance to pile fabrics
US3987519A (en) * 1975-09-15 1976-10-26 J. P. Stevens & Co., Inc. Apparatus for crushing cloth
US4006516A (en) * 1973-03-30 1977-02-08 Deering Milliken Research Corporation Process for imparting a crushed appearance to pile fabric
US4142278A (en) * 1976-10-29 1979-03-06 Richard R. Walton Compressive treatment of web materials
EP0021450A1 (en) * 1979-06-30 1981-01-07 Edelmann Maschinenfabrik GmbH & Co. KG Pressure feeding device for an apparatus for continuously crumpling a fabric
US4303459A (en) * 1978-12-04 1981-12-01 Kurt Kleber Method of making textured patterns on originally smooth webs of fabrics, and method of partially printing the same
US4576611A (en) * 1984-05-31 1986-03-18 Milliken Research Corporation Method for producing random-appearing patterns on fabric: nodes and line segments
US4859169A (en) * 1986-11-20 1989-08-22 Richard R. Walton Web processing by longitudinal compression using matched drive disks and retarding fingers
US4921643A (en) * 1988-06-24 1990-05-01 Richard R. Walton Web processing with two mated rolls
WO1992005306A1 (en) * 1990-09-24 1992-04-02 Walton Richard R Longitudinal compressive treatment of web materials

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1128618A (en) * 1907-07-12 1915-02-16 C C Morgan Company Composite tucked fabric.
US1164790A (en) * 1914-03-11 1915-12-21 Singer Mfg Co Plaited fabric.
US1402584A (en) * 1921-02-23 1922-01-03 Henry E Elrod Cloth-plaiting machine
US1789421A (en) * 1929-03-23 1931-01-20 Angelus Louis Plaiting machine
US1936668A (en) * 1928-04-26 1933-11-28 Hamilton Mary Plaiting device
US2141235A (en) * 1935-08-20 1938-12-27 Aladdin Ind Inc Process and apparatus for making arcuately plaited products
US2769584A (en) * 1954-02-09 1956-11-06 Zinamon Martin Method of permanently pleating fabrics

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1128618A (en) * 1907-07-12 1915-02-16 C C Morgan Company Composite tucked fabric.
US1164790A (en) * 1914-03-11 1915-12-21 Singer Mfg Co Plaited fabric.
US1402584A (en) * 1921-02-23 1922-01-03 Henry E Elrod Cloth-plaiting machine
US1936668A (en) * 1928-04-26 1933-11-28 Hamilton Mary Plaiting device
US1789421A (en) * 1929-03-23 1931-01-20 Angelus Louis Plaiting machine
US2141235A (en) * 1935-08-20 1938-12-27 Aladdin Ind Inc Process and apparatus for making arcuately plaited products
US2769584A (en) * 1954-02-09 1956-11-06 Zinamon Martin Method of permanently pleating fabrics

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939536A (en) * 1973-03-30 1976-02-24 Deering Milliken Research Corporation Apparatus for imparting a random wrinkled or crushed appearance to pile fabrics
US4006516A (en) * 1973-03-30 1977-02-08 Deering Milliken Research Corporation Process for imparting a crushed appearance to pile fabric
US3987519A (en) * 1975-09-15 1976-10-26 J. P. Stevens & Co., Inc. Apparatus for crushing cloth
US4142278A (en) * 1976-10-29 1979-03-06 Richard R. Walton Compressive treatment of web materials
US4303459A (en) * 1978-12-04 1981-12-01 Kurt Kleber Method of making textured patterns on originally smooth webs of fabrics, and method of partially printing the same
EP0021450A1 (en) * 1979-06-30 1981-01-07 Edelmann Maschinenfabrik GmbH & Co. KG Pressure feeding device for an apparatus for continuously crumpling a fabric
US4576611A (en) * 1984-05-31 1986-03-18 Milliken Research Corporation Method for producing random-appearing patterns on fabric: nodes and line segments
US4859169A (en) * 1986-11-20 1989-08-22 Richard R. Walton Web processing by longitudinal compression using matched drive disks and retarding fingers
US4921643A (en) * 1988-06-24 1990-05-01 Richard R. Walton Web processing with two mated rolls
WO1992005306A1 (en) * 1990-09-24 1992-04-02 Walton Richard R Longitudinal compressive treatment of web materials
US5117540A (en) * 1990-09-24 1992-06-02 Richard R. Walton Longitudinal compressive treatment of web materials

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