US3760607A - Apparatus for producing stitch bonded fabric - Google Patents

Apparatus for producing stitch bonded fabric Download PDF

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Publication number
US3760607A
US3760607A US00172032A US3760607DA US3760607A US 3760607 A US3760607 A US 3760607A US 00172032 A US00172032 A US 00172032A US 3760607D A US3760607D A US 3760607DA US 3760607 A US3760607 A US 3760607A
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US
United States
Prior art keywords
fleece
needles
needle
thread
hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00172032A
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English (en)
Inventor
A Wildeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cosmopolitan Textile Co Ltd
Original Assignee
Cosmopolitan Textile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cosmopolitan Textile Co Ltd filed Critical Cosmopolitan Textile Co Ltd
Application granted granted Critical
Publication of US3760607A publication Critical patent/US3760607A/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
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/52—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by applying or inserting filamentary binding elements

Definitions

  • Nilles 22 F1 d A 16,1971 1 [57 ABSTRACT [21 1 Appl' Apparatus for producing stitch bonded fabric and having needles which penetrate a fleece and receives [30] Foreign Application Priority Data threads which are controlled by thread guides and also June 30, 1971 Great Britain 30,616/71 including Wires which enter but do not Completely P etrate the fleece whereby a loop of fibers are formed 52 us.
  • a stitch bonded fabric is produced by the provision, in a fleece lap, of a multitude of longitudinal rows of chain-stitch seams.
  • This type of fabric has the disadvantage that the seams, which are produced by the use of, for example, a series of slide or tubular needles are capable of being easily pulled out from one end or from a break in the stitching yarn, since the stitch formation of each row consists essentially of a series of interengaged loops.
  • the apparatus includes a series of spaced slide or tubular needles adapted to penetrate the fleece and become located in position to receive threads controlled by thread guides, there being provided wires or rods arranged to be independently and synchronously moved relative to said needles, the wires'or rods being arranged to enter but not completely penetrate the fleece whereby a loop of fibres of the fleece may be formed around a hook formation on the needles to be retained thereby, in addition to the threads, to provide for the locking of interengaged stitch loops.
  • means are provided to allow a thread from one of said thread guides to be passed over the hook formation of the needle which is next in line to the adjacent needle, whereby tricot-stitch'seams can be applied to the fleece.
  • FIG. I is a part-sectional broken view of apparatus made in accordance with the invention described in application Ser. No. 867,331, filed Oct. 17, 1969, now issued as U.S. Pat. No. 3,646,780 on May 7, 1972.
  • FIG. 2 is a part-sectional end elevation of a modified form of apparatus made in accordance with the present invention, parts being omitted for the sake of clarity.
  • a stitch bonded fabric is produced by passing a fleece through a sewing knitting machine which incorporates a row of slide needles 11 (that is needles having on one edge a groove 12 in which a wire rod 13 can slide to open and close a hook formation 14 at the needle point).
  • slide needles 11 that is needles having on one edge a groove 12 in which a wire rod 13 can slide to open and close a hook formation 14 at the needle point.
  • tubular needles may be used in-which a wire rod slides in or through a hole in the needle to close the hook formation.
  • the slide needles 11 are mounted upon a carrier bar 15 which is reciprocable towards and away from the fleece 10 to cause penetration and retraction of the needles through the fleece.
  • a rod mounting rail I6 which is also reciprocable towards and away from the fleece 10. The reciprocation of the mounting rail is controlled independently of but in timed relationship with the carrier bar 15.
  • the uppermost face of the hook formation lies in the same plane as the lowermost point of the groove 12 of the needle 11 so that, when required in the cycle of operations the rods 13 can overlie the hook formations 14 to close the hook.
  • a holding member 17 mounted forwardly of the carrier bar 15 and in fixed condition is a holding member 17 conveniently secured to a part 18 of the machine frame.
  • a series of fleece guide arms 19 Projecting upwardly from the holding member 17 and spaced to allow passage of the needle 1 1 therebetween is a series of fleece guide arms 19 connected to a tie bar 20 which extends across the working width of the machine.
  • the tie bar 20, arms 19 and the front face 17a of the holding member 17 serve collectively as a fleece and fabric guide against which the rear face of the fleece and the just formed fabric passes when the machine is in operation.
  • the fleece and fabric guide serves to retain the fleece and fabric against movement with the needles during their retraction from the fleece.
  • the support pins 21 are carried at their lower ends in a groove 22 formed by a pin retention bar 23 and a cloth retention bar 24.
  • the two elements 23, 24 are secured together by studs or the like (not shown).
  • a unitary grooved rail may be provided to replace the elements 23, 24, the pins being seated in the groove.
  • the pins 21 at their upper ends are mounted in abeam 25 which extends across the working width of the machine.
  • the beam 25 and pins 21 collectively form a fleece guide for the front face of the fleece, and the cloth retention bar 24 forms a cloth guide for the front face of the just formed cloth.
  • Thread guides 26 Spaced from the bar 23 at the side remote from the needles 11 and at the level of the needles are a series of thread guides 26 each having an eye 27 through which the threads pass. There is of course a thread guide 26 for each needle 11.
  • the thread guides 36 are carried by a rail 28. Threads 29 are passed through the eye 27 of each thread guide 26.
  • the rail 28 and thus the thread guides 26 are adapted to reciprocate transversely of the machine with a slight rise and fall so that a thread 29 can be laid in the hook of each needle 11.
  • the stitched fabric is formed by successive penetration of the fleece by the needles, the latter picking up the threads and forming a chain stitch seam
  • the cloth retention bar has been removed and the pin retention bar 23' has been moved rearwardly to take its place.
  • the pins 21' are supported at their upper ends by the beam 25 and are of cranked shape as shown at their lower ends so that their free ends are located rearwardly of the bar 23', whilst maintaining their usual position above the stitching level.
  • cross-over or tricot stitch can be performed upon the fleece owing to the fact that the threads can slide down over the shaped part of the pins 21 to follow the movement of the fabric.
  • the thread guide 26 In order to enable the thread 29 to pass from the line of a needle 11 (FlG. 2) to a needle in an adjacent row, the thread guide 26 is moved laterally taking the thread over the top of the pin retention bar 23 and through the free space on the right hand side of the figure to the next row of needles. It is necessary for the pin 25 to be cranked to pass behind the retention bar 23.
  • the forward location of the upper part of the pins 21 ensures that the front face of the fleece is far enough forwards to enable the hook ends of the needles 11 to gather fibres from the frontal region of the fleece, whilst the rearward location of the free ends of the pins 21 together with the pin retention bar 23' ensures that, upon each penetration of the fleece by a needle, the previous loop of thread along with the loop of gathered fibres is pushed well onto the shank of the needle and is not carried forwards by the latter to become tangled with the next loop when formed.
  • the pin retention bar 23 also serves as a cloth retention bar.
  • An apparatus for producing a stitched bonded fabric from a fleece comprising a frame, a series of needles mounted in a spaced relation on said frame in a position to penetrate the fleece, a hook formation at the end of each needle, the hook formation being adapted to gather loops of fiber from the fleece upon withdrawal of the needle from the fleece, a corresponding number of thread guides mounted in the same plane as that of the needles and being reciprocally movable transversely on said frame to place threads on the hook formation at the end of each of said needles after penetrating said fleece, a rod positioned in each of said needles and being adapted to be moved partially through said fleece independently of said needles for mating engagement with said hook formations, a retention bar located below the level of the needles, and a series of support pins mounted on said frame and having their free ends cranked and positioned behind said retention bar to allow a thread on transverse movement of one of said thread guides to slide freely over the hook formation of one needle to the adjacent needle, whereby tricot stitches

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Machines (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
US00172032A 1971-06-30 1971-08-16 Apparatus for producing stitch bonded fabric Expired - Lifetime US3760607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3061671 1971-06-30

Publications (1)

Publication Number Publication Date
US3760607A true US3760607A (en) 1973-09-25

Family

ID=10310460

Family Applications (1)

Application Number Title Priority Date Filing Date
US00172032A Expired - Lifetime US3760607A (en) 1971-06-30 1971-08-16 Apparatus for producing stitch bonded fabric

Country Status (12)

Country Link
US (1) US3760607A (de)
JP (1) JPS5012514B1 (de)
BE (1) BE773560R (de)
CA (1) CA939200A (de)
CH (1) CH527947A (de)
DE (1) DE2157947C3 (de)
DK (1) DK125656B (de)
FR (1) FR2143625B1 (de)
GB (1) GB1316013A (de)
NL (1) NL7111794A (de)
SE (1) SE363861B (de)
ZA (1) ZA717359B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910072A (en) * 1972-04-26 1975-10-07 Elitex Zavody Textilniho Method of, and apparatus for, making stitch-bonded fabric
US3991593A (en) * 1975-07-11 1976-11-16 Veb Wirkmaschinenbau Karl-Marx-Stadt Warp knitting machine
US4158292A (en) * 1976-08-17 1979-06-19 Veb Wirkmaschinenbau Karl-Marx-Stadt Stitch bonded fabrics, method and apparatus for making the same
US4197723A (en) * 1976-08-17 1980-04-15 Veb Wirkmaschinenbau Karl-Marx-Stadt Stitch bonded fabrics, method and apparatus for making the same
US20050016221A1 (en) * 2003-07-24 2005-01-27 Groz-Beckert Kg Tip-headed needle
US20220218119A1 (en) * 2019-04-16 2022-07-14 Tietex International, Ltd. Mattress with flame barrier cap and related method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890579A (en) * 1954-04-19 1959-06-16 Tullmaschb Veb Textile material and manufacture
GB1091050A (en) * 1964-12-03 1967-11-15 Nahwirkmaschb Malimo Karl Marx Improvements in or relating to pile fabrics
DE2007611A1 (en) * 1969-03-06 1970-09-24 VEB Wirkmaschinenbau Karl-Marx-Stadt, Karl-Marx-Stadt Sewing - warp knitting with bearded needles
US3646780A (en) * 1968-10-19 1972-03-07 Cosmopolitan Textile Co Ltd Apparatus and method for making a stitch-bonded fabric

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890579A (en) * 1954-04-19 1959-06-16 Tullmaschb Veb Textile material and manufacture
GB1091050A (en) * 1964-12-03 1967-11-15 Nahwirkmaschb Malimo Karl Marx Improvements in or relating to pile fabrics
US3646780A (en) * 1968-10-19 1972-03-07 Cosmopolitan Textile Co Ltd Apparatus and method for making a stitch-bonded fabric
DE2007611A1 (en) * 1969-03-06 1970-09-24 VEB Wirkmaschinenbau Karl-Marx-Stadt, Karl-Marx-Stadt Sewing - warp knitting with bearded needles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910072A (en) * 1972-04-26 1975-10-07 Elitex Zavody Textilniho Method of, and apparatus for, making stitch-bonded fabric
US3991593A (en) * 1975-07-11 1976-11-16 Veb Wirkmaschinenbau Karl-Marx-Stadt Warp knitting machine
US4158292A (en) * 1976-08-17 1979-06-19 Veb Wirkmaschinenbau Karl-Marx-Stadt Stitch bonded fabrics, method and apparatus for making the same
US4197723A (en) * 1976-08-17 1980-04-15 Veb Wirkmaschinenbau Karl-Marx-Stadt Stitch bonded fabrics, method and apparatus for making the same
US20050016221A1 (en) * 2003-07-24 2005-01-27 Groz-Beckert Kg Tip-headed needle
US6973807B2 (en) * 2003-07-24 2005-12-13 Groz-Beckert Kg Tip-headed needle
US20220218119A1 (en) * 2019-04-16 2022-07-14 Tietex International, Ltd. Mattress with flame barrier cap and related method

Also Published As

Publication number Publication date
ZA717359B (en) 1972-09-27
FR2143625A1 (de) 1973-02-09
CA939200A (en) 1974-01-01
JPS5012514B1 (de) 1975-05-12
AU3251171A (en) 1973-02-22
BE773560R (fr) 1972-01-31
DK125656B (da) 1973-03-19
FR2143625B1 (de) 1976-04-02
DE2157947A1 (de) 1973-01-25
DE2157947B2 (de) 1976-12-16
CH527947A (de) 1972-09-15
DE2157947C3 (de) 1978-09-14
NL7111794A (de) 1973-01-03
SE363861B (de) 1974-02-04
GB1316013A (en) 1973-05-09

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