Plastic looping tool guide bar

Abstract

The invention relates to a plastic looping tool guide bar 1, which comprises a main body 2. The main body 2 comprises an upper wall 4 forming an upper side, a lower wall 6 forming a lower side and a hollow chamber assembly. It is desired to make the working speed of a warp knitting machine as high as possible. To the end, the hollow chamber assembly comprises at least two hollow chambers 8, 9 which are separated through a reinforcing part 10.

Description

technical field [0001] The invention relates to a plastic looping tool bar with a body having an upper wall forming an upper side, a lower wall forming a lower side and a cavity part. Background technique [0002] Such a loop forming tool bar and such a method are known from document EP 1 820 891 B1. In this, a planar semi-finished product is introduced into a press form, wherein a hose is inserted into the press form together in such a way that it is surrounded by the semi-finished product. If the die is then closed and the hose is put under pressure, the semifinished product is pressed against the die from the inside. Relatively large internal pressures can be generated using hoses. In a first approximation, it can be assumed that the strength of the body increases with pressure up to a certain limit, ie the greater the pressure, the greater the strength of the body. [0003] A further possibility for producing such a looping tool bar consists in forming the bar as a pr...

AI Technical Summary

Problems solved by technology

This increases the risk of deformation of the looping tool bar

Such a deformation is in turn undesirable, since the deformation causes the loop forming tool fixed at the loop forming tool bar to no longer be in its desired position, so that collisions of the cooperating loop forming tools can occur in unfavorable situations

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