EP0001563A1 - Fouet pour un métier à tisser - Google Patents

Fouet pour un métier à tisser Download PDF

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Publication number
EP0001563A1
EP0001563A1 EP78100955A EP78100955A EP0001563A1 EP 0001563 A1 EP0001563 A1 EP 0001563A1 EP 78100955 A EP78100955 A EP 78100955A EP 78100955 A EP78100955 A EP 78100955A EP 0001563 A1 EP0001563 A1 EP 0001563A1
Authority
EP
European Patent Office
Prior art keywords
truncheon
carbon fibers
rod
plastic
foam
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.)
Withdrawn
Application number
EP78100955A
Other languages
German (de)
English (en)
Inventor
Werner Herzog
Robert Kümmel
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.)
August Krempel Soehne GmbH and Co KG
Original Assignee
August Krempel Soehne GmbH and Co 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 August Krempel Soehne GmbH and Co KG filed Critical August Krempel Soehne GmbH and Co KG
Publication of EP0001563A1 publication Critical patent/EP0001563A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/24—Mechanisms for inserting shuttle in shed
    • D03D49/26—Picking mechanisms, e.g. for propelling gripper shuttles or dummy shuttles
    • D03D49/38—Picking sticks; Arresting means therefor

Definitions

  • the invention relates to a truncheon, in particular a whip for driving the shooter of a weaving machine, which consists of a rod made of carbon fibers embedded in plastic and surrounded by a plastic coating.
  • Whips for weaving machines of this type are known (DE-OS 25 18 455).
  • a plastic coating is provided, which can consist, for example, of epoxy resin, polyurethane or phenolic resin and which is wound around a so-called carbon thread rod or also around several rods combined to form a common rod and then pressed and hardened.
  • This embodiment has the advantage that the coating prevents any direct contact of the carbon fiber rod from the outside and thus prevents chipping and wear of the carbon fibers. It also has the Vorted that it has a very long life compared to the commonly used wooden whips. After part however, is that the whips so produced have a relatively large weight and therefore we for reciprocation for the start of the shooter G en their mass entail certain disadvantages.
  • the present invention is based on the object of making a truncheon, in particular a whip for looms of the type mentioned at the outset, lighter without impairing the strength properties, and a possibility should also be given to apply the outer layer in a simple manner.
  • the invention consists first of all in that the rod is designed as a hollow rod and is provided with a core made of a hardened foam. It has been shown that a baton produced in this way has only about half the weight of the bats used hitherto, but nevertheless its strength properties are at least the same, if not better. The strength becomes known Properties determined with prescribed measuring methods and it is important that the whip does not bend over a certain amount when loaded with a certain bending force. Tests have shown that the new batons, which have a hollow cross-section as a supporting part, perform much better here than the rods made of solid material, despite their lower weight.
  • the plastic coating is a protective jacket which consists of at least one tubular fabric with a diagonal structure, the threads of which cross the underlying longitudinal and transverse carbon fibers.
  • This configuration makes it possible in a very simple manner to apply the coating or the outer layer, because it suffices to push or pull the diagonally oriented fabric in a somewhat compressed state over the carbon fiber rod and then to stretch it in the longitudinal direction.
  • the tubular fabric changes the diameter due to its diagonal structure and can be firmly attached to the outer contour of the carbon fiber rod.
  • the diagonal fabric hoses can be soaked with appropriate resin before or after being pulled on and then cured.
  • the carbon fibers of the inner hollow rod run in the longitudinal and transverse directions. They are then crossed by the outer fibers of the outer layer and it has been shown that particularly in combination with the epoxy resin, which is preferably used as a plastic, particularly good damping properties are achieved, which in particular when using the truncheon as a whip for the weavers in weaving machines for a quiet Worry about running.
  • the new whips also have a significantly longer lifespan.
  • carbon fibers with different modulus of elasticity are provided, which are laid in the wooden stick.
  • the carbon fibers can be parts of one or more fabrics wrapped in one or more layers around the foam core or drawn in the longitudinal direction, which are impregnated with epoxy resin and cured. For example, layers with carbon fibers of different elasticity modules can be alternately wound on top of each other.
  • the foam core itself is advantageously formed from acrylimide foam.
  • the new truncheon or whip consists of a foam core 1 which is made of acrylimide foam. Carbon fiber fabric can then either be wrapped around this prefabricated foam core in the form of tapes, so that the individual threads 2 of this fabric run approximately in the direction of the longitudinal axis of the foam core 1 and perpendicularly thereto. It is of course also possible to pull these fabrics in the longitudinal direction towards the foam core 1.
  • the Fabrics are either already soaked with epoxy resin before this winding or drawing process and can then harden or they are only soaked and hardened after the winding or drawing process, so that around the foam core 1 around the hollow rod 3 made of plastic reinforced with carbon fibers forms.
  • a truncheon designed in this way would also have the disadvantage that the carbon fibers could splinter when they came into contact with the shooter or when they hit the stop.
  • a protective jacket 4 around the hollow rod 3, which consists of at least one tubular fabric with a diagonal structure, which is also impregnated with epoxy resin and cures.
  • the fabric threads 5 of the tubular casing forming the protective jacket 4 run obliquely and approximately at an angle of 45 to the longitudinal axis of the hollow rod 3, so that they cross the threads 2 of the carbon fiber fabric running perpendicularly or in the direction of this axis . This results in excellent damping properties for the finished truncheon according to FIG. 2.
  • the protective jacket 4 from tubular fabrics with a diagonal structure lying one above the other in several layers, wherein up to six layers of such tubular fabric can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
EP78100955A 1977-10-26 1978-09-22 Fouet pour un métier à tisser Withdrawn EP0001563A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772747909 DE2747909A1 (de) 1977-10-26 1977-10-26 Schlagstock, insbesondere peitsche fuer eine webmaschine
DE2747909 1977-10-26

Publications (1)

Publication Number Publication Date
EP0001563A1 true EP0001563A1 (fr) 1979-05-02

Family

ID=6022257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100955A Withdrawn EP0001563A1 (fr) 1977-10-26 1978-09-22 Fouet pour un métier à tisser

Country Status (3)

Country Link
EP (1) EP0001563A1 (fr)
DE (1) DE2747909A1 (fr)
IT (1) IT1099783B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398841A1 (fr) * 1989-05-16 1990-11-22 GebràœDer Sulzer Aktiengesellschaft Levier d'accélération avec une petite masse et une grande résistance, plus spécialement pour métiers à projectiles

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1961735A1 (de) * 1968-12-10 1970-06-18 Dunlop Co Ltd Golfschlaeger
GB1327246A (en) * 1970-09-22 1973-08-15 Nat Res Dev Fibre reinforced composites
DE2207802A1 (de) * 1972-02-18 1973-09-06 Voelkl Ohg Franz Tennisschlaeger
DE2505454A1 (de) * 1974-02-13 1975-08-14 Fansteel Inc Verbundbauteil mit hohem festigkeits- und gewichtsverhaeltnis und verfahren zu dessen herstellung
CH576795A5 (fr) * 1972-06-08 1976-06-30 Fischer Gmbh
DE2518455A1 (de) * 1975-04-25 1976-11-04 Rueti Ag Maschf Peitsche fuer eine webmaschine
CH597395A5 (en) * 1975-06-06 1978-04-14 Hans Leuenberg Laminated hollow loom sley

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1961735A1 (de) * 1968-12-10 1970-06-18 Dunlop Co Ltd Golfschlaeger
GB1327246A (en) * 1970-09-22 1973-08-15 Nat Res Dev Fibre reinforced composites
DE2207802A1 (de) * 1972-02-18 1973-09-06 Voelkl Ohg Franz Tennisschlaeger
CH576795A5 (fr) * 1972-06-08 1976-06-30 Fischer Gmbh
DE2505454A1 (de) * 1974-02-13 1975-08-14 Fansteel Inc Verbundbauteil mit hohem festigkeits- und gewichtsverhaeltnis und verfahren zu dessen herstellung
DE2518455A1 (de) * 1975-04-25 1976-11-04 Rueti Ag Maschf Peitsche fuer eine webmaschine
CH597395A5 (en) * 1975-06-06 1978-04-14 Hans Leuenberg Laminated hollow loom sley

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398841A1 (fr) * 1989-05-16 1990-11-22 GebràœDer Sulzer Aktiengesellschaft Levier d'accélération avec une petite masse et une grande résistance, plus spécialement pour métiers à projectiles
US5033514A (en) * 1989-05-16 1991-07-23 Sulzer Brothers Limited Fiber reinforced plastic accelerating lever for a projectile loom
CH681548A5 (fr) * 1989-05-16 1993-04-15 Sulzer Ag

Also Published As

Publication number Publication date
IT1099783B (it) 1985-09-28
DE2747909A1 (de) 1979-05-03
IT7828501A0 (it) 1978-10-06

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH FR GB LU NL

17P Request for examination filed
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19810122

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HERZOG, WERNER

Inventor name: KUEMMEL, ROBERT