US3740974A - Elastic ribbon having a band of fancy designs and a method of manufacture of this ribbon - Google Patents

Elastic ribbon having a band of fancy designs and a method of manufacture of this ribbon Download PDF

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Publication number
US3740974A
US3740974A US00137544A US3740974DA US3740974A US 3740974 A US3740974 A US 3740974A US 00137544 A US00137544 A US 00137544A US 3740974D A US3740974D A US 3740974DA US 3740974 A US3740974 A US 3740974A
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US
United States
Prior art keywords
stitches
band
column
ribbon
elastic
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Expired - Lifetime
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US00137544A
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English (en)
Inventor
A Bourgeois
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ELASTELLE P FONTANILLE AND FILS
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ELASTELLE P FONTANILLE AND FILS
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Publication of US3740974A publication Critical patent/US3740974A/en
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/03—Shape features
    • D10B2403/031—Narrow fabric of constant width
    • D10B2403/0311—Small thickness fabric, e.g. ribbons, tapes or straps

Definitions

  • the ribbon is produced on a straight drop-stitch loom and comprises two adjacent bands of elastic threads and non-elastic threads, one of said knitted bands being flat and uniform and having at least one [30] Foreign Application Priority Data Apr. 30, 1970 France elastic thread associated with a column of stitches, the other band being constituted by a succession of designs [52] US. Cl. 66/193 resulting from an association between at. least two umns of stitches of non-elastic thread respectively associated with an elastic thread, and is coupled to said flat band by at least one non-elastic thread, in which the elastic thread of the column of stitches in the band of [51] Int.
  • It also relates to a method of industrial manufacture of such a ribbon on a drop-switch loom.
  • Elastic ribbons are already known which make it possible to produce, conveniently by sewing, an edge of an article of underwear decorated with a design.
  • Ribbons of this kind in fact comprise two adjacent bands, one of which is flat and uniform and consists of columns of stitches of non-elastic threads, individually associated with an elastic thread and connected to each other either by weft threads or by threads of the said columns, this connection resulting from transfers of stitches between two adjacent columns.
  • the other band connected, in a similar manner, to the flat band is provided with a succession of designs resulting from a judicious association between at least two columns of stitches formed in a similar way to that of the columns of the flat band.
  • Ribbons of this kind can be advantageously produced on a drop-stitch loom and the flat band which they comprise can be easily sewn on the edge of an article of underwear, whereas the other band which has a general zig-zag shape, gives this latter a pleasing appearance and ensures good wearing qualities for the article.
  • the invention has for its object a ribbon of the type described above and having a structure and aesthetic appearance different from those of known elastic ribbons, this structure and aspect resulting from judicious working, on a drop-stitch loom, of certain elastic threads of the columns of stitches of the decorative band of a ribbon of this kind.
  • the elastic thread of the column of stitches which, in the design band is adjacent to the flat band has per unit of length a length practically equal to that of the elastic-threads of this flat band and smaller than that of the other elastic threads of the columns of stitches of the design band.
  • at least one of the elastic threads of the end columns of stitches in the design band escapes from the column of stitches here and there so as to become integrated in the other end column of this design band.
  • the columns of stitches of the flat band can obviously result from knitting which effects transfers of non-elastic threads, which ensure connections between the adjacent columns of stitches, obviating the use of weft threads.
  • An aesthetic effect well adapted to an underwear decoration is obtained simply for the design band by providing two columns of stitches which are in consequence associated with elastic threads having different lengths when at rest. Transpositions of the elastic thread from one or the other of these columns of stitches, or combined transpositions of these two elastic threads on each side of their columns, thus enabling three alternative forms to be obtained.
  • the ribbon is provided on each of its two edges with a band formed by a succession of designs repeated along the flat band.
  • a ribbon of this kind may be used for example to form a shoulder-strap for an article of underwear.
  • the invention also relates to a method of production on a drop-stitch loom of an elastic ribbon similar to the elastic ribbon described above, the utilization of a loom of this kind for carrying this method into effect resulting in particularly advantageous production costs of the elastic ribbons which can thereby be manufactured.
  • FIG. 1 shows diagrammatically a weave for a ribbon according to the invention
  • FIG. 2 shows to a larger scale and in the stretched state as it would appear on a drop-stitch loom, a ribbon corresponding to the weave of FIG. 1;
  • FIG. 3 shows the ribbon of FIG. 2 in a state of rest
  • FIG. 4 shows to a larger scale a remarkable portion of the ribbon of FIG. 3;
  • FIG. 5 shows diagrammatically a weave of an alternative form of ribbon according to the invention
  • FIGS. 6 and 7 show two alternative forms of ribbon which can be obtained from the weave of FIG. 5;
  • FIGS. 8 and 9 show respectively a weave and an alternative form corresponding to this weave, of a ribbon according to the invention.
  • FIGS. 10 and 11 show respectively a further weave and the corresponding alternative form of a ribbon according to the invention.
  • FIGS. 12 and 13 show respectively a further weave and the corresponding alternative form of a ribbon according to the invention.
  • FIG. 1 there can be seen a non-elastic thread 1, stitched by conventional working of the needles and thread throwers of a drop-stitch loom, in the form of a column of stitches 2.
  • Two other columns 2a, 2b produced in exactly the produced from a non-elastic thread 1 on the side of the column 2b opposite to the column 2a, and are respectively associated in the manner described above with elastic threads 7 and 8, weft threads 4a, 4b respectively coupling together the columns 2b and on the one hand and the columns 5 and 6 on the other.
  • the elastic threads 3, 7 and 8, made of rubber, are identical with each other.
  • the threads 3 and the thread 7 are subjected on the loom to tensions which are equal to each other and which produce the usual elongations of these elastic threads, at least equal to 200 percent.
  • the elastic thread 8 is subjected to a very small tension and is delivered to its column by a system of regulation which delivers a uniform length of thread during the course of working of the loom, this length of thread, taken in the state of rest, being substantially greater than that, also taken at rest, of one of the four other threads 3 and 7, after they have passed out of the loom.
  • the elastic thread 8 winds in and out in the usual way on each side of the stitches of its column 6, with the exception however of the stitch M2 of this column 6; at this level, it is in fact transposed to the opposite side of the stitch M2 of column 5.
  • the tension of the elastic threads diminishes so that the elastic threads 3 take up a straight-line position and the fabric formed by the columns 2, 2a, 2b and the weft threads 4 is presented in the form of a flat band P of conventional elastic knitting (FIGS. 3 and 4).
  • the particular coupling at the level of the stitches M2 of the columns 5 and 6 causes pinching of this latter on the column 5, and the elastic thread 8 tends, between two successive pinchings, to take the form of a hoop 8a further coupled at its base 5 by radii formed by the weft thread 4b.
  • FIG. 4 it has especially been attempted to give a clear representation of the respective positions of the threads which give this hoop effect in the slack state.
  • the stitches M1 to M3 of columns 5 and 6 are closely bound to each other (FIG. 3) and the ribbon is presented in the form of two adjacent bands, one flat and uniform P being constituted by three columns 2, 2a, 2b, while the other A has a succession of hoops formed by the couplings of column 6 to column 5.
  • a flat and uniform band constituted in this example by three columns 2, 2a, 2b, identical with those described above, may be coupled by a weft thread 4a to another band comprismg:
  • a weft thread 4b couples together only the columns 9 and 11, and the hoop effect is obtained by transposition at intervals, of the elastic thread 10 of column 9 on the stitches of column 2 forming the border of the design band of the ribbon.
  • the ribbon produced has two succession of hoops 8a, 8b; the hoops 8b corresponding to column 12 are completely free, while the hoops 8a produced from column 11 have radiating threads corresponding to the weft thread 4b.
  • a further alternative form of band of hoops 8c can be obtained, as shown in FIGS. 10 and 11, by eliminating the weft thread 4b and coupling together the columns 11 and 12 by a weft thread 40.
  • FIGS. 12 and 13 another alternative forrn having a succession of hoops 8d comprises weft threads 41:, 4b, 40 which respectively ensure the couplings between the columns 2b and 9, 9 and 11, l1 and 12.
  • ribbons such as those described above may be produced by working a number of elastic threads at most equal to that of the columns of stitches of their band of knitting and of their band of designs, since it is not necessary to associate an elastic thread with each column of stitches of the band of knitting to obtain this scallop edging effect.
  • the forms of construction of elastic ribbon described above comprise, both in their conventional knitted portion P and in their design band A", weft threads 4 to 40 which ensure the couplings between adjacent columns of stitches. It is possible to eliminate such weft threads by ensuring these couplings by conventional transfers of stitches from one column to an adjacent column.
  • the elastic threads of the design band A" could have a nature and/or a section different from that of the elastic threads of the band P of conventional knitting, and could be worked on the loom under a tension similar to that of the elastic threads of this band P, the differences of nature or section between the elastic threads of these two bands A" and P being chosen in such manner as to ensure, when at rest, the formation of hoops such as those described above.
  • the first of said bands comprising a flat band of elastic knitting having columns of stitches with a single elastic thread associated with each column of stitches;
  • the second of said comprising at least two columns of stitches having a succession of designs repeated longitudinally therealong formed by a single elastic thread associated with each of said columns of stitches;
  • the elastic thread associated with the column of stitches of said second design band adjacent said first knitted band being substantially straight in the unstretched position and having a length substantially equal to the unstretched length of the elastic threads associated with each column of stitches of said first knitted band and being shorter than the elastic thread associated with the column of stitches of said second design band positioned at the extreme edge of said second design band away from said first knitted band;
  • the ribbon of claim 1 including a second design band symmetrically positioned on each lateral side of said first knitted band.
  • a method of manufacture on aknitting machine of a ribbon having a first knitted band laterally interconnected with a second design band comprising:
  • said method additionally including the steps of forming said at least two columnsof stitches by working an elastic thread in weft in each column of stitches including working an elastic thread in the edge column of stitches away from said knitted band having 1 an unstretched length greater than the unstretched length of each elastic thread of said knitted band and greater in length than the unstretched-length of the elastic band associated with the remaining columns of said at least two columns of stitches; transferring, at longitudinally spaced intervals, the elastic thread associated with the column of stitches distant from said knitted band, to one of the at least two columns of stitches laterally positioned therefrom.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
US00137544A 1970-04-30 1971-04-26 Elastic ribbon having a band of fancy designs and a method of manufacture of this ribbon Expired - Lifetime US3740974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7016043A FR2139604A1 (fr) 1970-04-30 1970-04-30 Ruban elastique presentant une bande de motifs fantaisie,procede de fabrication d'un tel ruban

Publications (1)

Publication Number Publication Date
US3740974A true US3740974A (en) 1973-06-26

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US00137544A Expired - Lifetime US3740974A (en) 1970-04-30 1971-04-26 Elastic ribbon having a band of fancy designs and a method of manufacture of this ribbon

Country Status (4)

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US (1) US3740974A (fr)
DE (1) DE2121026B2 (fr)
FR (1) FR2139604A1 (fr)
GB (1) GB1340591A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965703A (en) * 1975-04-18 1976-06-29 Southern Webbing Mills Warp knitted compression bandage fabric
US3999407A (en) * 1975-04-01 1976-12-28 Stedman Corporation Embossed striped elastic warp knit fabric and method of making same
US4331135A (en) * 1979-10-26 1982-05-25 Lohmann Gmbh & Co. Kg Permanently elastic network bandage
US6755051B2 (en) 2002-10-07 2004-06-29 Delta Galil Industries, Ltd. Knitted garments and methods of fabrication thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536023C2 (de) * 1975-08-13 1983-06-09 Wilhelm Langendorf Gmbh, 8641 Grossvichtach In Längsrichtung dehnbares Band
SE7813242L (sv) * 1978-12-22 1980-06-23 Eiser Ab Elastisk textilprodukt
SE7813243L (sv) * 1978-12-22 1980-06-23 Eiser Ab Elastisk binda for stodforband
DE3001147A1 (de) * 1980-01-15 1981-07-16 Karl Otto Braun Kg, 6759 Wolfstein Verfahren zur herstellung einer gewirkten, laengselastischen gewebebahn zur verwendung als elastische bzw. dauerelastische kopressions- bzw. stuetzbinde und nach diesem verfahren hergestellte gewirkte gewebebahn
GB2178073A (en) * 1985-07-03 1987-02-04 Nottingham Braid Co Ltd Trim having scalloped fringe
DE3734416C2 (de) * 1987-10-12 1996-06-20 Langendorf Gmbh Wilhelm Verfahren zur Herstellung eines textilen Flächengebildes, wie Häkelborte
GB2454677B (en) * 2007-11-14 2012-12-19 Montfort Services Sdn Bhd An elasticized warp knitted fabric and a process for knitting an elasticized warp knitted fabric

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999407A (en) * 1975-04-01 1976-12-28 Stedman Corporation Embossed striped elastic warp knit fabric and method of making same
US3965703A (en) * 1975-04-18 1976-06-29 Southern Webbing Mills Warp knitted compression bandage fabric
US4331135A (en) * 1979-10-26 1982-05-25 Lohmann Gmbh & Co. Kg Permanently elastic network bandage
US6755051B2 (en) 2002-10-07 2004-06-29 Delta Galil Industries, Ltd. Knitted garments and methods of fabrication thereof

Also Published As

Publication number Publication date
DE2121026A1 (de) 1971-11-11
GB1340591A (en) 1973-12-12
FR2139604A1 (fr) 1973-01-12
FR2139604B1 (fr) 1974-02-22
DE2121026B2 (de) 1974-01-10

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