EP0029113A1 - Barrette d'aiguilles pour des dispositifs d'étirage de machines textiles de préparation - Google Patents

Barrette d'aiguilles pour des dispositifs d'étirage de machines textiles de préparation Download PDF

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Publication number
EP0029113A1
EP0029113A1 EP19800106129 EP80106129A EP0029113A1 EP 0029113 A1 EP0029113 A1 EP 0029113A1 EP 19800106129 EP19800106129 EP 19800106129 EP 80106129 A EP80106129 A EP 80106129A EP 0029113 A1 EP0029113 A1 EP 0029113A1
Authority
EP
European Patent Office
Prior art keywords
strips
groove
bar
preparation machines
strip
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
EP19800106129
Other languages
German (de)
English (en)
Other versions
EP0029113B1 (fr
Inventor
Josef Egerer
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.)
Staedtler and Uhl KG
Original Assignee
Staedtler and Uhl KG
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 Staedtler and Uhl KG filed Critical Staedtler and Uhl KG
Publication of EP0029113A1 publication Critical patent/EP0029113A1/fr
Application granted granted Critical
Publication of EP0029113B1 publication Critical patent/EP0029113B1/fr
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/02—Gill boxes or other drafting machines employing fallers or like pinned bars
    • D01H5/12—Details
    • D01H5/14—Pinned bars

Definitions

  • the invention is directed to a stretch rod with a longitudinal groove for receiving a needle bar in textile preparation machines, in particular drafting systems.
  • Such distance rods in the groove of which the needle bars are clamped, screwed, soldered or glued in, have so far been produced in one piece from steel profiles.
  • the comparatively narrow and deep grooves have to be worked into the full material, for which only disc milling cutters are suitable, the diameter of which has to be particularly small so that the outlet of the groove to be milled remains sufficiently small.
  • This requirement requires a lot of time.
  • Such rods are then hardened, since in particular the outer rod ends e.g. subject to considerable stress due to the attack of driver elements. This causes distortion forces. This, in turn, requires rod notification, which is generally done by hand. On the other hand, this manufacturing process leads to a considerable increase in costs.
  • the solution solution in that the track rod consists of two adjacent in a longitudinal division plane and connected to each other at the contact surfaces strips, one of which is made of hardened material and the other of less hard material, the groove starting from the parting plane of the strips.
  • a major advantage of this measure according to the invention is that the groove can be worked in from the surface of the bar, for which purpose, for example, face milling cutters can be used, the cutting performance of which is significantly higher than that of the disk milling cutters which would otherwise be required.
  • the finished rods do not need to be subjected to any further hardening process, so that the message is completely eliminated.
  • the stretch rod consisting of two strips of different hardness has a higher bending strength than a one-piece rod corresponding to the prior art.
  • Strip material can be used to produce such a stretch rod.
  • connection the two strips cohesively, e.g. by spot welding. They can also be soldered or glued together. Which type of connection is preferred depends on the circumstances of the individual case and the expected forces to be absorbed by the staff.
  • the invention provides that the groove is incorporated in only one of the two strips. One side wall of the groove then lies in the parting plane of the two strips.
  • the bar 1 consists of two strips, of which the strip 1 at the rear in the drawing is longer than the strip 2 at the front.
  • the strip 1 has projecting ends 3 which serve to fasten the strip to the respective machine and which are particularly exposed to the attack of driver elements and thus to increased stress.
  • the bar 1 is made of hardened steel.
  • the cross section of the bar 1 is rectangular.
  • shorter strip 2 which consists of unhardened or at least less hard steel and, as in the embodiment shown in FIG. 1, is connected to the strip 1 by welding points 5.
  • a soldered or adhesive connection can also be considered without the invention undergoing a fundamental change.
  • the groove 6 engages from the top in the track bar.
  • this groove 6 extends slightly obliquely to the longitudinal division plane 7 of the two strips 1 and 2. In each of these strips 1 and 2, a part of the groove 6 is incorporated.
  • Fig. 2 shows in its upper part that the processing of the strips from their surface is easily possible.
  • the groove 6 runs parallel to the longitudinal division plane 7, namely half of it is worked into each of the two strips 1 and 2. 4 down against shows a groove 6, which is incorporated into the shorter strips 2 alone and is limited on the one hand by the surface 4 of the strip 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Knitting Machines (AREA)
EP19800106129 1979-11-06 1980-10-09 Barrette d'aiguilles pour des dispositifs d'étirage de machines textiles de préparation Expired EP0029113B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792944680 DE2944680A1 (de) 1979-11-06 1979-11-06 Streckenstab fuer textilvorbereitungsmaschinen
DE2944680 1979-11-06

Publications (2)

Publication Number Publication Date
EP0029113A1 true EP0029113A1 (fr) 1981-05-27
EP0029113B1 EP0029113B1 (fr) 1983-05-25

Family

ID=6085213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800106129 Expired EP0029113B1 (fr) 1979-11-06 1980-10-09 Barrette d'aiguilles pour des dispositifs d'étirage de machines textiles de préparation

Country Status (3)

Country Link
EP (1) EP0029113B1 (fr)
DD (1) DD154110A5 (fr)
DE (1) DE2944680A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610334A1 (fr) * 1987-01-30 1988-08-05 Schlumberger Cie N Dispositif d'etirage pour rubans de fibres textiles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967802A (en) * 1962-03-09 1964-08-26 Akroyd And Son Ltd S Improvements in or relating to faller bars for textile combing machines
GB1170725A (en) * 1967-09-09 1969-11-12 Staedtler & Uhl Improvements in and relating to Needle Strips for Combing and like Machines
FR2030379A1 (fr) * 1969-02-08 1970-11-13 Staedtler & Uhl

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967802A (en) * 1962-03-09 1964-08-26 Akroyd And Son Ltd S Improvements in or relating to faller bars for textile combing machines
GB1170725A (en) * 1967-09-09 1969-11-12 Staedtler & Uhl Improvements in and relating to Needle Strips for Combing and like Machines
FR2030379A1 (fr) * 1969-02-08 1970-11-13 Staedtler & Uhl

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610334A1 (fr) * 1987-01-30 1988-08-05 Schlumberger Cie N Dispositif d'etirage pour rubans de fibres textiles
EP0277871A1 (fr) * 1987-01-30 1988-08-10 N. SCHLUMBERGER & CIE Dispositif d'étirage pour rubans de fibres textiles

Also Published As

Publication number Publication date
DD154110A5 (de) 1982-02-24
EP0029113B1 (fr) 1983-05-25
DE2944680A1 (de) 1981-05-07

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