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Method for manufacturing plastic coiling tool bar and plastic coiling tool bar

A loop-forming tool, plastic technology, applied in textiles and papermaking, knitting, weft knitting, etc., can solve the problem of high cost

Active Publication Date: 2007-10-03
KARL MAYER STOLL R&D GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If one uses smaller internally threaded parts, then positioning must be done very accurately, so the cost is correspondingly higher

Method used

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  • Method for manufacturing plastic coiling tool bar and plastic coiling tool bar
  • Method for manufacturing plastic coiling tool bar and plastic coiling tool bar
  • Method for manufacturing plastic coiling tool bar and plastic coiling tool bar

Examples

Experimental program
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Embodiment Construction

[0033] Figure 1 shows a semi-finished product 1 made of fiber-reinforced plastic, in expanded and flat form. The cross-section shown represents the semi-finished product corresponding to a cross-section of the finished bar as represented in FIGS. 4 and 5 . The semi-finished product 1 here consists of a pre-impregnated gel. For the following description this semi-finished product is also referred to as "layer", even though it actually consists of several layers. In this case the reinforcing fibers can be arranged parallel to each other in each individual layer. The fibers of the different layers have different orientations, the thickness of the semi-finished product 1 being eg 2 mm.

[0034] Holes 2 , 3 are punched in the semi-finished product 1 . Each hole passes through a fastening member 4,5. The holes 2, 3 can also be formed by pressing a pointed tool through the semi-finished product 1 so that the reinforcing fibers of the semi-finished product 1 are not cut but squeez...

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PUM

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Abstract

The invention relates to a method for producing a plastic looping tool bar and a looping tool bar, in which a body is molded from a plastic semi-finished product (1), the plastic is hardened and at least one fastening element (4, 5 ) into the comb. It is desirable to simplify manufacturing. For this purpose, the fastening element is inserted into the plastic semi-finished product (1) before hardening.

Description

technical field [0001] The invention relates to a method for producing a plastic looping tool bar (Wirkwerkzeugbarre), wherein a body (Korpus) is formed from a plastic semi-finished product, the plastic is hardened and at least one fastening element is inserted into the bar (Barre) inside. [0002] The invention also relates to a plastic looping tool bar, which has a body, and at least one fastening member, the former has at least one layer composed of fiber-reinforced plastic, the latter is connected to the body, wherein the fastening member At least partially through the thin layer. Background technique [0003] Such a method and such a loop forming tool bar are known, for example, from DE 4111108 A1. A molded body containing internally threaded parts or internal threads for fastening other components is covered with plastic strips, which are each reinforced with a fabric containing reinforcing yarns. If the strap plastic has hardened, drill holes through the plastic, t...

Claims

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Application Information

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IPC IPC(8): D04B27/24
CPCD04B27/06D04B15/24
Inventor K·米斯塔
Owner KARL MAYER STOLL R&D GMBH
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