US3293720A - Apparatus and method for spacing of threadlines in a warp sheet - Google Patents

Apparatus and method for spacing of threadlines in a warp sheet Download PDF

Info

Publication number
US3293720A
US3293720A US403236A US40323664A US3293720A US 3293720 A US3293720 A US 3293720A US 403236 A US403236 A US 403236A US 40323664 A US40323664 A US 40323664A US 3293720 A US3293720 A US 3293720A
Authority
US
United States
Prior art keywords
reed
thread
dents
warp sheet
spaces
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
US403236A
Other languages
English (en)
Inventor
Cumbers David Charles
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.)
British Nylon Spinners Ltd
Original Assignee
British Nylon Spinners 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 British Nylon Spinners Ltd filed Critical British Nylon Spinners Ltd
Application granted granted Critical
Publication of US3293720A publication Critical patent/US3293720A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H3/00—Warping machines
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/16—Reeds, combs, or other devices for determining the spacing of threads

Definitions

  • a plurality of threadlines are withdrawn from individual supply bobbins mounted on a creel and are wound side-by-side on a beam to form a warp.
  • the fastening or gumming-out operation usually involves sandwiching the warp sheet, at a position intermediate the front reed and the beam, between gummed ta es.
  • the individual yarns be accurately spaced and parallel so that they can be easily fitted into the appropriate needle bar or reed when the warp is subsequently loaded into, for example, a knitting machine or loom.
  • the individual yarns After passage through the front reed of conventional design in a warping machine the individual yarns although generally parallel to one another are not necessarily accurately and uniformly spaced. This can be explained, at least in part, by the fact that the spaces between the dents of the reed through which the individual yarns pass have a width of approximately the same dimensions as the thickness of the teeth.
  • An object of this invention is to provide a device to improve the accuracy of the spacing of the yarns in a warp sheet relative to the accuracy which is achieved by passing the warp sheet through a reed of conventional design. Another object is to provide a relatively simple and convenient method for improving the accuracy of the spacing of the yarn in a warp sheet.
  • a method which comprises the steps of positioning a cylindrical bar, which carries on its longitudinal surface a helical thread, in abutment with a face of a reed through which the warp sheet passes, with the peaks of the thread form located in the spaces between the pins of said reed, and moving the cylindrical bar to pick up the warp sheet the individual threadlines of which take up a position in the troughs of the thread form.
  • a device for winding a warp sheet onto a beam comprising a reed between the dents of which individual yarns may be located, a screw-threaded rod having a double helical pitch of such fineness that the peaks of the screw thread may pass into the spaces between the dents of the reed, and guide means to allow said screwthreaded rod to be moved into a first position such that the peaks of the thread pass into said spaces and thence along the spaces towards the outer ends of the dents into a second position such that individual yarns may be located in the troughs of the screw thread.
  • the screw thread has a large depth for a given pitch and a thin peak, and in practice I prefer to use a thread the profile of which has a half included angle in the range of 5 to 12. With half included angles of this magnitude the thread troughs have a width of but between 0.005 and 0.007 inch.
  • the thread rod bar may be carried on two spindles which are located, and which move in, appropriately shaped slots cut in brackets mounted on either side of the warping machine.
  • the thread rod bar may be moved normally, for example, through a simple link arrangement, although more complicated drive mechanisms may be employed.
  • the thread rod bar is made of metal with the thread machined on its longitudinal surface, but other suitable materials for the cylindrical bar include wood and a number of synthetic plastics.
  • FIGURE 1 shows in diagrammatic form a side elevation of a part of the device according to one feature of this invention in which a helical-1y threaded cylindrical rod is used in combination with a reed known per se to improve the accuracy of the spacing of individual yarns in a warp sheet; and
  • FIGURE 2 is a plan view of a part of the device along the line A-A in FIGURE 1.
  • a cylindrical metal rod 1 has a spindle 2 at each end. Each spindle is positioned in a slot 3 out in a bracket 4 mounted at the side of a warping machine (not shown) close to a reed 7 through which a warp sheet 8 passes.
  • the metal rod has a two start helical thread 9 with thread peaks 10 and troughs 11.
  • Reference numerals 1', 1", and 1 indicate the cylindrical metal rod 1 at various positions as the spindles 2 moves in the slots 3.
  • a suitable link mechanism (not shown) attached to the two spindles is provided for moving the rod 1.
  • the rod In operation the rod is first moved into a position indicated by reference numeral 1' with the rod in abutment with a face of the reed 7 and the thread peaks located in the space between the dents 12 of the reed. The rod is then raised to a position 1" where it contacts the Warp sheet in such manner that the individual yarns 13 take up positions in the thread troughs 11.
  • a method of spacing the threadlines in a warp sheet which comprises the steps of positioning a cylindrical bar, which carries on its longitudinal surface a helical thread, in abutment with a face of a reed through which the warp sheet passes, with the peaks of the thread form located in the spaces between the pins of said reed, and moving the cylindrical bar to pick up the warp sheet, the individual threadlines of which take up a position in the troughs of the thread form.
  • a device for winding a warp sheet onto a beam comprising a reed between the dents of which individual yarns may be located, a screw-threaded rod having a double helical pitch of such fineness that the peaks of the screw thread may pass into the spaces between the dents of the reed, and guide means to allow said screw-threaded rod to be moved into a first position such that the peaks of the thread pass into the said spaces and thence along the spaces towards the outer ends of the dents into a second position such that individual yarns may be located in the troughs of the screw thread.
  • a device wherein the guide means is also arranged to allow the screw-threaded rod to be moved away from the reed in a path parallel to the path taken by the yarns from the reed to the beam.
  • a method of winding a warp sheet onto a beam comprising guiding the individual yarns between the dents of a reed to the beam, moving a helica-lly-threaded rod towards the reed so that the peaks of the screw-thread pass into the spaces between the dents, thereafter moving the threaded rod along the said spaces to trap the yarns of the warp sheet in the troughs of the screw-thread thereby to cause them to lie parallel to each other and finally moving the threaded rod towards the beam in a path parallel to the path of the warp sheet to permit the parallel yarns to be secured against mutual relative movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Looms (AREA)
US403236A 1963-10-16 1964-10-12 Apparatus and method for spacing of threadlines in a warp sheet Expired - Lifetime US3293720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40787/63A GB1062038A (en) 1963-10-16 1963-10-16 Improvements in or relating to the spacing of yarns in a warp sheet

Publications (1)

Publication Number Publication Date
US3293720A true US3293720A (en) 1966-12-27

Family

ID=10416605

Family Applications (1)

Application Number Title Priority Date Filing Date
US403236A Expired - Lifetime US3293720A (en) 1963-10-16 1964-10-12 Apparatus and method for spacing of threadlines in a warp sheet

Country Status (6)

Country Link
US (1) US3293720A (de)
BE (1) BE654442A (de)
CH (1) CH439151A (de)
GB (1) GB1062038A (de)
LU (1) LU47140A1 (de)
NL (1) NL6412032A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5797552A (en) * 1996-05-20 1998-08-25 Superba Societe Anonyme A Directoire Et Conseil De Surveillance Device for guiding filaments in textile machines
US20090239054A1 (en) * 2008-03-18 2009-09-24 Crawford Textile Consulting, Llc Helical textile with uniform thickness
US20090239055A1 (en) * 2008-03-18 2009-09-24 Crawford Textile Consulting, Llc Helical textile with uniform thickness

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604297C2 (de) * 1996-02-07 1999-05-20 Sucker Mueller Hacoba Gmbh Vorrichtung zum Teilen einer Fadenschar

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US600670A (en) * 1898-03-15 Millaed f
US1147413A (en) * 1911-05-27 1915-07-20 American Warp Drawing Machine Co Leased-warp separator.
GB687132A (en) * 1947-11-27 1953-02-11 Bernard Howell Wilsdon Improvements in or relating to warp selecting and separating apparatus
US2696654A (en) * 1953-07-16 1954-12-14 Barber Colman Co Warp worm for drawing-in machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US600670A (en) * 1898-03-15 Millaed f
US1147413A (en) * 1911-05-27 1915-07-20 American Warp Drawing Machine Co Leased-warp separator.
GB687132A (en) * 1947-11-27 1953-02-11 Bernard Howell Wilsdon Improvements in or relating to warp selecting and separating apparatus
US2696654A (en) * 1953-07-16 1954-12-14 Barber Colman Co Warp worm for drawing-in machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5797552A (en) * 1996-05-20 1998-08-25 Superba Societe Anonyme A Directoire Et Conseil De Surveillance Device for guiding filaments in textile machines
US20090239054A1 (en) * 2008-03-18 2009-09-24 Crawford Textile Consulting, Llc Helical textile with uniform thickness
US20090239055A1 (en) * 2008-03-18 2009-09-24 Crawford Textile Consulting, Llc Helical textile with uniform thickness
US8114506B2 (en) 2008-03-18 2012-02-14 Crawford Textile Consulting, Llc Helical textile with uniform thickness
US8486517B2 (en) 2008-03-18 2013-07-16 Crawford Textile Fabrications, Llc Helical textile with uniform thickness

Also Published As

Publication number Publication date
GB1062038A (en) 1967-03-15
LU47140A1 (de) 1964-12-14
NL6412032A (de) 1965-04-20
CH439151A (de) 1967-06-30
BE654442A (de)

Similar Documents

Publication Publication Date Title
US3011736A (en) Yarn-ballooning control sleeve for winding machines
JPS6211098B2 (de)
DE4002545A1 (de) Spannungssteuereinheit fuer eine kettenschaermaschine und kettenschaerverfahren
US2092811A (en) Treatment of yarns
US3293720A (en) Apparatus and method for spacing of threadlines in a warp sheet
IE50824B1 (en) Manufacture of textile material
US3466718A (en) Methods for producing textured fabric material
US4410017A (en) Method and apparatus for pneumatic insertion of a weft thread in the shuttle of a multi-feed weaving loom
US2446580A (en) Beaming apparatus
US3161941A (en) Method of uniting warps
US3330017A (en) Device for twisting a warp band and method
US3067480A (en) Yarn guide and crimper for textile machines
US1988918A (en) Yarn beaming machine
US2844860A (en) Warping machine stop motion
GB2102848A (en) Winding apparatus
US1765590A (en) Thread-controlling device for creels
US1818526A (en) Mechanism for evening and tensioning yarn
US2116766A (en) Reeding apparatus used in textile manufactures
US2940687A (en) Warp winding apparatus
CN100410434C (zh) 抽样整经机、整经方法及整经过的纱组
US3415463A (en) Creel assembly
US3422513A (en) Reed threading aid means
Townsend Weft tension in weaving
US2099008A (en) Creel for artificial yarns
US1961694A (en) Spindle mounting for creels