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Shed forming device in a jacquard loom, and jacquard loom equipped with such a device

A technology of jacquard and loom, applied in the direction of jacquard, textile and papermaking, weaving, etc., can solve the problem of moving to one or the other of two intermediate positions, unable to obtain four equally spaced warp positions, narrowing Weaving selection, etc.

Active Publication Date: 2008-08-13
施托布利里昂公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it is impossible for the warp threads controlled by the device to move arbitrarily to one or the other of the two intermediate positions at any time, thus narrowing the weaving options especially for the weaving of loop pile carpets
In addition, the structure of the device does not allow to obtain four equally spaced warp positions, and this becomes an obstacle to the shed opening

Method used

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  • Shed forming device in a jacquard loom, and jacquard loom equipped with such a device
  • Shed forming device in a jacquard loom, and jacquard loom equipped with such a device

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Embodiment Construction

[0030] The shedding device 1 shown in Figure 1 comprises four upper movable carabiners 2, 3, 6 and 7 which are vertically movable in pairs by two lifting knives 10 and 11 which are driven to reciprocate in opposite phases. More specifically, the device 1 comprises two load-carrying movable hooks 2 and 3 and two driven movable hooks 6 and 7 connected by a cable 4 forming a cord-like element that goes around a pulley 5 . The driven movable carabiner is connected by a second cable 8 partially wound around a second pulley 9 . With the lugs 2 a and 3 a belonging to the carrying hooks 2 and 3 , the lifting knives 10 and 11 are able to selectively move said hooks 2 and 3 .

[0031] The driven carabiners 6 and 7 simply rest on the carrying carabiners 2 and 3 respectively, which means that the carabiners 2 and 6 can be moved together by the lifting knife 10, just like the carabiners 3 and 7 can be moved together by the lifting knife 11 Same. Thus, carabiners 2 and 6 form a first pair...

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Abstract

The invention discloses a weaving mechanism comprising shed forming devices (1) each comprising an upper movable carabiner (2, 3, 6, 7) movable by two lifting knives (10, 11) . Each device (1) comprises a set of pulleys (5, 9, 15, 16, 17) comprising pulleys (15, 16, 17) partly wound with a rope (23) whose One end is provided with elastic hooks (24) adapted to be fastened on the heddles. The pulley (17) wound with a rope (23) can be moved vertically by a linkage comprising a rope (25) wound on an additional pulley (19) relative to the Pulley (17) is fixed. One end of rope (25) is fixed on the frame, and the other end can be moved by lifting knife (31).

Description

technical field [0001] The present invention relates to a weaving mechanism for determining the warp position of a jacquard type loom and a jacquard type loom equipped with such a weaving mechanism. Background technique [0002] EP-A-0 839 937 discloses a weaving mechanism which enables three warp positions to be obtained by using superimposed carabiners which can be moved vertically in pairs by a lifting knife and which are connected with a set of vertically arranged pulleys Associated. However, a three-position weaving mechanism like this cannot weave certain complex fabrics that require four warp positions, especially in carpet weaving. [0003] EP-A-0 665 312 discloses a four-position weaving mechanism, in which each shedding device comprises four juxtaposed carabiners which can be moved vertically by two lifting knives. The device effectively achieves four evenly spaced warp positions. However, since the four carabiners are arranged side by side, this device takes up...

Claims

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Application Information

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IPC IPC(8): D03C3/12
CPCD03C3/12
Inventor M・希梅尔斯托斯A・波特
Owner 施托布利里昂公司
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