EP0137378A2 - Kettenfadenwächter für Webmaschinen - Google Patents

Kettenfadenwächter für Webmaschinen Download PDF

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Publication number
EP0137378A2
EP0137378A2 EP84111238A EP84111238A EP0137378A2 EP 0137378 A2 EP0137378 A2 EP 0137378A2 EP 84111238 A EP84111238 A EP 84111238A EP 84111238 A EP84111238 A EP 84111238A EP 0137378 A2 EP0137378 A2 EP 0137378A2
Authority
EP
European Patent Office
Prior art keywords
motion
rows
warp
warp stop
yarns
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.)
Granted
Application number
EP84111238A
Other languages
English (en)
French (fr)
Other versions
EP0137378B1 (de
EP0137378A3 (en
Inventor
Nello Pezzoli
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.)
Vamatex SpA
Original Assignee
Vamatex SpA
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 Vamatex SpA filed Critical Vamatex SpA
Priority to AT84111238T priority Critical patent/ATE43868T1/de
Publication of EP0137378A2 publication Critical patent/EP0137378A2/de
Publication of EP0137378A3 publication Critical patent/EP0137378A3/en
Application granted granted Critical
Publication of EP0137378B1 publication Critical patent/EP0137378B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/18—Automatic stop motions
    • D03D51/20—Warp stop motions

Definitions

  • the present invention relates to an important improvement in the warp stop-motion for weaving looms.
  • the present invention solves this problem with completely different methods and in a perfectly simple and efficient way, by highly reducing the risks of twisted yarns and by separating said yarns two or more times, with the same stress thereon as would be imparted by a conventional warp stop-motion.
  • the invention supplies a warp stop-motion for weaving looms, of the type comprising a plurality of rows . carried by the loom and a far larger plurality of blades placed astride of the warp yarns and apt to cause - when dropping on the rows due to breaking of the warp yarns - the stopping of the loom, characterized in that said rows are divided into at least two widely spaced groups, positioned respectively close to the thread carrying roller and close to the healds and being apt to take up, each group independently, positions which can be adjusted both in height and in depth.
  • the warp stop-motion blades are positioned on the warp yarns, in an alternate alignment for each group of rows, by adjacent yarns.
  • figure 1 shows how the rows 1 of a conventional warp stop-motion are arranged substantially at the center of the spacing between the thread carrying roller 2 and 4 the healds 3 of the loom, reference 4 indicating the gauge between the single rows.
  • Figure 2 shows instead the arrangement according to the invention, which provides for the rows to be divided into two groups 11 and 12, of which the first is close to the thread carrying roller 2 and the second is close to the healds 3.
  • the two groups of rows 11 and 12 may be spaced apart to an extent equal to ten - twenty times the gauge 4 between the rows; in the arrangement shown, said groups are positioned at even distances one from the other and in respect of the thread carrying roller and of the healds.
  • Figure 3 shows diagrammatically how the position of the two groups of rows 11 and 12 can easily be adjusted, both in height and in depth, for each group independently.
  • Figure 4 finally shows a diagram of the arrangement adopted for the blades 5 of the warp stop-motion on the warp yarns f: said blades, are positioned on adjacent yarns f, in an alternate alignment for each group of rows 11 and 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Artificial Filaments (AREA)
EP84111238A 1983-10-07 1984-09-20 Kettenfadenwächter für Webmaschinen Expired EP0137378B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84111238T ATE43868T1 (de) 1983-10-07 1984-09-20 Kettenfadenwaechter fuer webmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2319783 1983-10-07
IT23197/83A IT1167267B (it) 1983-10-07 1983-10-07 Guardiaordito per telai di tessitura

Publications (3)

Publication Number Publication Date
EP0137378A2 true EP0137378A2 (de) 1985-04-17
EP0137378A3 EP0137378A3 (en) 1986-04-23
EP0137378B1 EP0137378B1 (de) 1989-06-07

Family

ID=11204782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111238A Expired EP0137378B1 (de) 1983-10-07 1984-09-20 Kettenfadenwächter für Webmaschinen

Country Status (4)

Country Link
EP (1) EP0137378B1 (de)
AT (1) ATE43868T1 (de)
DE (1) DE3478617D1 (de)
IT (1) IT1167267B (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR414637A (fr) * 1909-03-18 1910-09-07 William Bickerstaffe Monk Casse-fil perfectionné
DE801920C (de) * 1949-05-13 1951-01-25 Carl Ludwig Lehner Kettenfaden-UEberwachungseinrichtung fuer Webstuehle
FR1268993A (fr) * 1960-10-05 1961-08-04 Saurer Ag Adolph Perfectionnements aux casse-chaînes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE897834A (nl) * 1983-09-27 1984-01-16 Wiele Nv Van De Garenwachter voor pool-en grondkettingbraden voor weefmachines en weefmachine met dergelijk garenwacheter uitgerust

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR414637A (fr) * 1909-03-18 1910-09-07 William Bickerstaffe Monk Casse-fil perfectionné
DE801920C (de) * 1949-05-13 1951-01-25 Carl Ludwig Lehner Kettenfaden-UEberwachungseinrichtung fuer Webstuehle
FR1268993A (fr) * 1960-10-05 1961-08-04 Saurer Ag Adolph Perfectionnements aux casse-chaînes

Also Published As

Publication number Publication date
IT1167267B (it) 1987-05-13
DE3478617D1 (en) 1989-07-13
IT8323197A0 (it) 1983-10-07
EP0137378B1 (de) 1989-06-07
EP0137378A3 (en) 1986-04-23
ATE43868T1 (de) 1989-06-15

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