US2090462A - Pile fabric - Google Patents

Pile fabric Download PDF

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US2090462A
US2090462A US99183A US9918336A US2090462A US 2090462 A US2090462 A US 2090462A US 99183 A US99183 A US 99183A US 9918336 A US9918336 A US 9918336A US 2090462 A US2090462 A US 2090462A
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Prior art keywords
tufts
pile
fabric
strips
loops
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US99183A
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Howard L Shuttleworth
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Mohawk Carpet Mills Inc
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Mohawk Carpet Mills Inc
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D27/00Woven pile fabrics

Definitions

  • the figures in the design or pattern are usually formed by out loops or tufts with the relatively large areas of background made up of uncut loops. Since the pile yarns which are to form the loops in the background cannot be raised by wires with cutting edges, it is the practice, in weaving those portions of the fabric in which a transverse line passes through both background areas and figures of the pattern, to raise the pile yarns alternately by Wires with and without cutting edges so that successive rows of tufts and loops are provided for the figures and background, respectively.
  • alternate pile rows include no loops in the background, but only such tufts as are required in the design, and as a result, in those parts of the background lying offset laterally from figures in the design, the pile surface shows well-defined lines of separation between adjacent rows of loops, and this detracts considerably from the appearance of the pile surface.
  • the present invention is, accordingly, directed to the provision of a novel embossed fabric avoiding the disadvantages of fabric; of that type asv heretofore produced and of a method by which" the new fabric may be made expeditiously and without special equipment.
  • the fabric is provided with a pile surface made of chenille fur of V-shape, held in place against a woven backing web by suitable binder warps with adjacent lengths of fur spaced apart by weft threads in the face of the web.
  • the chenille fur used for the purpose carries tuft yarns of different lengths and in some instances a single length of 'the chenille extending across the fabric is provided with tufts of several diierent heights. 'I'he use of the fur carrying tufts of varying heights permits the production of a fabric with an embossed pattern effect on the pile surface with the entire surface made up of tufts and each row of tufts including afull complement thereof.
  • Fig. 1 is a diagrammatic sectional view of a piece /fstuifer warps Il land two series II and I2 of weft threads lying, respectively, above and below the stuffer warps and bound inl place against the stuii'er warps by one or more sets of binder warps s na, nb.
  • the pile surface of the fabric is formed of V-shaped strips I4 of chenille and these strips carry pile tufts il which are of different heights throughout the fabric. Each of the strips I4 is bound against the face of the backing web by warps Il which pass over each l5 strip and under, all the face weft threads II.
  • the chenille strips employed in the new fabzic are produced in the usual way by weaving a fabric which consists of a plurality of sets oi' small warp threads I'I with the sets spaced apart across the fabric and interwoven with heavy weft yarns Il. After the weaving of the fabric, it is separated into strips by severing the weft yarns along lines lying between the sets of warp threads I1.
  • Each strip thus produced comprises a group of warp threads I1 forming the backbone of the strip and weft yarns extending beyond the sides of the backbone and used to form the pile tufts in the fabricy of the invention.
  • the chenille web is cut into strips in such manner that certain of the strips carry tufts of substantial height, while the tufts of other strips are of less height. Also, in some instances, the tufts carried by a single strip may 5 vary in height along the strip.
  • Fig. 4. there is illustrated a strip I9a in which the tufts I8 r of both sides of the fur are of the same height and relatively high, while in Fig. 5, there is shown a strip I9b in which the tufts Ila of one side are 40 of greater height thanthe tufts IIb of the other side.
  • 90, shown in Fig. 6, carries a row of tufts I8 which are of uniform height, but
  • the pattern figure 20 is formed of tufts of greater height than those formingthe background area 2 I.
  • the pattern may require that a single strip should have tufts of e different heights, and this is illustrated by the strip 22 which carries tufts 23a on one side which are shorter than/ the tufts v2lb on the other side.
  • 'the pattern may require that a strip should have tufts of the same height on both sides for a portion oi' its length and tufts of a ,different height throughout another portion of its length. Th'is is illustrated by the strip 24 carrying long tufts 25a for a portion of its length and short tufts 2lb for another portion of its length.
  • 'I'hese different requirements of the pattern are taken care of by the initial formation of the strips and by the insertion of the strips in such manner that the tufts have the height res quired by the pattern in different portionsof the pile surface.
  • a further advantage of the new fabric is that by the use of chenille strips, the height of the pile tufts may be closely regulated without 25 the necessity of a subsequent shearing operation which is expensive, both for labor, power, etc., and also because of the waste of yarn resulting.
  • 'I'he new fabric may be woven on looms of the ordinary chenille type without mechanical .30 changes therein and without any increase in the cost of production.
  • a pile fabric which comprises a backing web made up of stuier warps,- face and back weft 35 threads lying, respectively, above and below the stuffer warps, two sets of binder warps crossing the weft threads and binding them against the stuffer warps, strips of V-shaped chenille lying above the stuifer warps in contact with a pair 40 of adjacent face weft threads, adjacent strips being spaced by at least two face weft threads.
  • a pile fabric which comprises a backingweb 5o made up of stuffer warps,A face and back weft threads lying, respectively, above and below the stuffer warps, two sets of binder warps, the warpa of the two sets crossing and binding alternate yweft threads against the stufl'er warps, strips of 55 V-shaped chenille lying above the stuii'er warps in contact with a pair of adjacent weft threads bound by binder warps of different sets, adjacent strips being separated by at least a pair of adjacent face weft threads, and a single set of so vbinder warps crossing and binding said strips in place and l passing beneath the face weft threads, said strips carrying pile loops varying in ⁇ height and being so arranged that/the pile surface bears a background formed by tufts of one a5 height and a design formed by tufts of anothe height.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)

Description

Aug. 17, 1937.
H. l.. sHUTTLEwoRTH 2,090,462
PILE FABRIC Filed Sept. 3, 1936 ATTO RNEY5 Patented Aug. 17, 1937 UNITED STATES Iinvii-:rrr OFFICE PILE FABRIC Howard L. shutuewortn, Amsterdam, N. Y., assignor to Mohawk Carpet Mills, Inc., Amsterdam, N. Y., a corporation of New York Application September 3, 1936, lSerial, No. 99,183
2 Claims.
5 is superior to such fabrics as heretofore produced in that the pile surface of the new fabric with the embossed pattern effect thereon is of better appearance, and satisfactory coverage of the backing web is obtained with less tufts.
In the manufacture of embossed fabrics as now carried on, it is the usual practice to employ pile wire looms, provided with pile wires both with and without knives so that the surface of the fabric includes both cut pile loops or tufts and uncut loops. In the weaving operation, the pile warp yarns are raised by the wires and the pile loops or tufts in a single transverse row across the fabric have a height determined by the height of the wire by which the pile yarn is raised, the'loops which are to be cut to form tufts being formed ordinarily over higher wires than the uncut loops. This practice causes the ends of the tufts to lie above the tops of the loops, s'o that the tufts can be sheared to provide a smooth, level surface. The embossed pattern effect is then Iprovided by the arrangement of the tufts and loops in successive rows.
In such fabrics, the figures in the design or pattern are usually formed by out loops or tufts with the relatively large areas of background made up of uncut loops. Since the pile yarns which are to form the loops in the background cannot be raised by wires with cutting edges, it is the practice, in weaving those portions of the fabric in which a transverse line passes through both background areas and figures of the pattern, to raise the pile yarns alternately by Wires with and without cutting edges so that successive rows of tufts and loops are provided for the figures and background, respectively. With this procedure, alternate pile rows include no loops in the background, but only such tufts as are required in the design, and as a result, in those parts of the background lying offset laterally from figures in the design, the pile surface shows well-defined lines of separation between adjacent rows of loops, and this detracts considerably from the appearance of the pile surface.
Attempts have been made heretofore to improve the pile surface of such fabrics by increasing the number of pile rows per unit of longitudinal length f of the fabric and thereby making amore compact weave. This procedure is based on the assumption that if the rows of pile loops in the background are closer together, the lines of separation above referred to will be eliminated, and while a fabric so woven isof better appearance than one with a smaller number of rows of pile per inch, the construction is of high costbecause of the excessive amount of wool used to produce the pile surface.
Further attempts to eliminate the lines of separation between the rows of loops have involved producing a fabric with its entire pile surface made up of loops, and then later ina finishing operation, cutting the tops of the pile loops vin different portions of the fabric to produce a design effect.V This method has, however, proved4 unsatisfactory because the areas of the pile sur` face made up of cut loops can not be sheared to produce a level surface without causing damage to the areas made up of uncut loops.
Another limitation on the production of einbossed fabrics by the methods heretofore proposed is that the designs can be made only by the use of cut and uncut pile loops, so that the different parts of the surface differ in appearance.
The present invention is, accordingly, directed to the provision of a novel embossed fabric avoiding the disadvantages of fabric; of that type asv heretofore produced and of a method by which" the new fabric may be made expeditiously and without special equipment. According to the invention, the fabric is provided with a pile surface made of chenille fur of V-shape, held in place against a woven backing web by suitable binder warps with adjacent lengths of fur spaced apart by weft threads in the face of the web. The chenille fur used for the purpose carries tuft yarns of different lengths and in some instances a single length of 'the chenille extending across the fabric is provided with tufts of several diierent heights. 'I'he use of the fur carrying tufts of varying heights permits the production of a fabric with an embossed pattern effect on the pile surface with the entire surface made up of tufts and each row of tufts including afull complement thereof.
For a better understanding of the invention, reference may be had to the accompanying drawing in which:
Fig. 1 is a diagrammatic sectional view of a piece /fstuifer warps Il land two series II and I2 of weft threads lying, respectively, above and below the stuffer warps and bound inl place against the stuii'er warps by one or more sets of binder warps s na, nb. The wen threads employed in the :ab-
ric may be of any suitable material. but heavy woolen yarns are preferred in order that the backing web or body of the fabric may have a soft, smooth back. The pile surface of the fabric is formed of V-shaped strips I4 of chenille and these strips carry pile tufts il which are of different heights throughout the fabric. Each of the strips I4 is bound against the face of the backing web by warps Il which pass over each l5 strip and under, all the face weft threads II.
The chenille strips employed in the new fabzic are produced in the usual way by weaving a fabric which consists of a plurality of sets oi' small warp threads I'I with the sets spaced apart across the fabric and interwoven with heavy weft yarns Il. After the weaving of the fabric, it is separated into strips by severing the weft yarns along lines lying between the sets of warp threads I1. Each strip thus produced comprises a group of warp threads I1 forming the backbone of the strip and weft yarns extending beyond the sides of the backbone and used to form the pile tufts in the fabricy of the invention.
' For producing the chenille strips for use in the 30 new fabric, the chenille web is cut into strips in such manner that certain of the strips carry tufts of substantial height, while the tufts of other strips are of less height. Also, in some instances, the tufts carried by a single strip may 5 vary in height along the strip. In Fig. 4. there is illustrated a strip I9a in which the tufts I8 r of both sides of the fur are of the same height and relatively high, while in Fig. 5, there is shown a strip I9b in which the tufts Ila of one side are 40 of greater height thanthe tufts IIb of the other side. The strip |90, shown in Fig. 6, carries a row of tufts I8 which are of uniform height, but
somewhat lower than the tufts of the strip Isa, Fig. 4. It is to be understood that these variations in the `height of the tufts are produced inl accordance with the pattern to be formed in the finished fabric, and the strips are then used in such manner that the tufts produce the raised 'figures and lower background in the pile surface. Upon completion of the chenille strips, they are formed into V-/shape in the usual way and the V-shaped strips are then inserted in-the fabric in accordance with the usual practice in the e weaving of chenille fabrics. By the use of -such strips, it is possible to produce a fabric such as that shown in Fig. 3 in which the pattern figure 20 is formed of tufts of greater height than those formingthe background area 2 I. In the production of such a fabric the pattern may require that a single strip should have tufts of e different heights, and this is illustrated by the strip 22 which carries tufts 23a on one side which are shorter than/ the tufts v2lb on the other side. Similarly, 'the pattern may require that a strip should have tufts of the same height on both sides for a portion oi' its length and tufts of a ,different height throughout another portion of its length. Th'is is illustrated by the strip 24 carrying long tufts 25a for a portion of its length and short tufts 2lb for another portion of its length. 'I'hese different requirements of the pattern are taken care of by the initial formation of the strips and by the insertion of the strips in such manner that the tufts have the height res quired by the pattern in different portionsof the pile surface.
The use of the chenille strips carrying cut pile tufts of different heights in the production of the new fabric permits embossed pattern effects to lo be obtained without the elimination of tufts in any row. As a consequence, both the background and the figured portions of the pattern have a more attractive appearance than in the embossed fabrics heretofore produced and there is a better 16 coverage of the backing web by thepile yarns. Also in the prior fabrics, made on pile wire looms. the number of colors that can be employed in the background and in the figures of the pattern is somewhat limited. In the,new fabric. a much 20 greater number of colors may be used and more elaborate pattern effects may, therefore, be obtained. A further advantage of the new fabric is that by the use of chenille strips, the height of the pile tufts may be closely regulated without 25 the necessity of a subsequent shearing operation which is expensive, both for labor, power, etc., and also because of the waste of yarn resulting.
'I'he new fabric may be woven on looms of the ordinary chenille type without mechanical .30 changes therein and without any increase in the cost of production.
I claim: l. A pile fabric which comprises a backing web made up of stuier warps,- face and back weft 35 threads lying, respectively, above and below the stuffer warps, two sets of binder warps crossing the weft threads and binding them against the stuffer warps, strips of V-shaped chenille lying above the stuifer warps in contact with a pair 40 of adjacent face weft threads, adjacent strips being spaced by at least two face weft threads. and a single set of binder `warps crossing and binding said strips in place and'passing beneath the face weft threads, said strips carrying pile 45 loops varying in height, and being, so arranged that the pile surface formed by the loops bears a design, portions of which are formed bytufts of different heights. I
y 2. A pile fabric which comprises a backingweb 5o made up of stuffer warps,A face and back weft threads lying, respectively, above and below the stuffer warps, two sets of binder warps, the warpa of the two sets crossing and binding alternate yweft threads against the stufl'er warps, strips of 55 V-shaped chenille lying above the stuii'er warps in contact with a pair of adjacent weft threads bound by binder warps of different sets, adjacent strips being separated by at least a pair of adjacent face weft threads, and a single set of so vbinder warps crossing and binding said strips in place and l passing beneath the face weft threads, said strips carrying pile loops varying in `height and being so arranged that/the pile surface bears a background formed by tufts of one a5 height and a design formed by tufts of anothe height.
HOWARD L. SHU'I'I'IEWORTH.
US99183A 1936-09-03 1936-09-03 Pile fabric Expired - Lifetime US2090462A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429434A (en) * 1946-07-30 1947-10-21 Mohawk Carpet Mills Inc Preparation of chenille
US2532903A (en) * 1949-02-02 1950-12-05 Magee Carpet Co Method of weaving pile fabrics
US2779354A (en) * 1954-11-30 1957-01-29 Mohasco Ind Inc Chenille fabrics and method of producing same
US20040266295A1 (en) * 2003-06-25 2004-12-30 Christine Buckley Exercise rug with contours

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429434A (en) * 1946-07-30 1947-10-21 Mohawk Carpet Mills Inc Preparation of chenille
US2532903A (en) * 1949-02-02 1950-12-05 Magee Carpet Co Method of weaving pile fabrics
US2779354A (en) * 1954-11-30 1957-01-29 Mohasco Ind Inc Chenille fabrics and method of producing same
US20040266295A1 (en) * 2003-06-25 2004-12-30 Christine Buckley Exercise rug with contours
US6935382B2 (en) * 2003-06-25 2005-08-30 Christine Buckley Exercise rug with contours

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