DE20313889U1 - Retention net for land vehicles, sea and air craft, preventing e.g. movement of luggage, has mesh with zigzag structure formed by two additional wefts - Google Patents

Abstract

Each mesh (7-9) includes two wefts (4, 5) which are knitted in with each other, to form a zigzag structure extending from one mesh (7-9) to a diagonally-opposite mesh. Continuous wefts (2) pass through the mesh structure. Each mesh (8, 9) is surrounded by a warp thread (7) : Edge registration of each mesh is effected by a warp forming a looped structure. The knit of the net structure is continued at the edge as a reinforcing strip, formed by increasing the density of the structure itself, in that region. The edge may be repeatedly over-knitted. The continuous wefts (2) are bound by looped structures at intersections with the warps. At the binding points, individual wefts are held against displacement. Three wefts participate in mesh formation.

Description

The Innovation concerns a retention net for vehicles according to the preamble of the protection claim 1. Such a retention net will be renewed for all Land, water and air vehicles used.

such Restraining nets For example, to separate the passenger from the luggage compartment in Used motor vehicles. If in the following description of this particular application is mentioned, this is not restrictive to understand.

Of the Scope of the present invention thus extends on all Land, water and air vehicles.

at Restraint systems There is the problem that they endure high shock and impact loads have to, without being destroyed become. Usual destruction at consist of the known retention networks in that the stitches are tearing, which is too small Mesh binding is. With it the retention net at the point of impact a "hole", which affects the retention effect.

It is by the way Known to form the stitches in such a way that weft threads in the a direction with warp threads in the other direction to form a non-slip network with stable meshes are used.

For this it is known to construct a lattice structure of weft threads, with each weft thread over the entire length or width the network extends and straight from the one edge of the network to the other runs. These weft threads thus form a series of parallel and a mutual Spacing lines occupying each other from vertical and parallel this running, running weft and warp in shape each bound to a stitch.

disadvantage this structure is that the weft threads too low a bond in the mesh of weft and warp, because they are easy and extend straight through the bonding point and thereby in the binding point in the mesh is easily displaced.

In order to There is the main disadvantage that in case of shock or impact on the Net the weft threads move along the mesh, creating a hole of increased diameter yields and the retention security no longer exists.

Another Disadvantage is that the weft threads edge only in a sewn Band are summarized, resulting in only a low binding strength he brings. It is missing otherwise at an edge reinforcement, because only one sewn Band is present, which encloses the edge and with appropriate stitches Sewn as a hose is and encloses the network structure on the edge side.

Because the weft threads in the tubular, sewn Edge band only have low adhesion, it can also happen that the weft threads to pull out of the edge band on the edge side and thereby also destroyed the network structure becomes.

tries have shown that the known restraint networks only one surface force For example, withstand 10,000 N if, for example, with a Test plate of z. B. 30 × 10 cm is pressed in the middle of a retaining net clamped at the edge.

Either warps with these forces the network structure so strong because the weft threads in the Move the mesh or the mesh itself.

Of the Innovation is therefore the task underlying a retention network of the aforementioned type so that a significant greater loading power on the retention net possible is without the weft threads to move, pull out of edge reinforcement at the edge or mesh destroyed in itself become.

to solution the task is the innovation characterized in that that each stitch consists of at least two weft threads tied together, the ones in the form of a zig-zag structure of a stitch too a diagonally opposite one Stretch mesh and that the weft thread passes through this mesh structure and further each stitch is enclosed at the edge by a warp thread is.

at the given technical teaching gives the essential advantage that of the weft threads now deflated in the mesh is held.

Because Each stitch is made up of at least two weft threads that are together are forfeited, results in a very stable and shift-proof Mesh.

Because the meshes are bordered at each edge of a warp, which forms a braid structure, so that the weft thread in this perpendicular to the weft yarn he stretching filament structure of the warp kept perfect and secure against displacement.

In order to is it possible for the first time the weft threads shift-secured in such a knit structure to keep without it even when exposed to high surface forces the network structure comes to a pulling through of the pulling threads. These become frictional held in the network structure, because a multiple holder - on the one hand through the stitches and on the other hand through the warp threads - given is.

To Another feature of the innovation is that the marginal reinforcement of Net structure no longer provided by a sewn hollow tube which borders the network structure, but that is continues the knit of the net structure at the edge in a reinforcing band. This means that a marginal reinforcing band directly into the Knitted mesh structure is incorporated by only a higher density used in the edge area of the network, so that the previously existing network structure only with higher weft and warp density continues in the border area.

In order to results in a homogeneous and shift-secured transition from the mesh structure to the edge area, without causing a foreign object the prior art, namely a sewn Hose, needs.

In order to the net structure is also flawless on the edge against shifting and tearing out secured because just in the endangered Edge region of the network structure of the knitted fabric is arranged multiplied. Therefore, there is also the advantage that now pull out the By weft threads from this edge area is much more difficult because of the edge area with higher Mesh density is knit.

To a development of the invention, it is not only intended that the edge region directed as a strip perpendicular to the network structure is.

In In another embodiment, it is provided that the Edge region extends obliquely into the network structure, whereby the net particularly well at an angle vehicle surfaces is customizable.

Of the Subject of the present innovation does not arise only from the subject of the individual claims, but also from the combination the individual protection claims among themselves. All in the documents - including summary - disclosed Information and features, in particular those shown in the drawings spatial Training are claimed as essential to the invention, as far as they are individually or in combination are new to the prior art.

in the The following is the innovation of only one execution way illustrative drawings closer explained. Here are more from the drawings and their description features essential to the invention and advantages of the innovation.

It demonstrate:

1 : a network structure after the innovation in a schematic representation;

2 : schematized a section through the network structure enlarged;

3 : the network structure in a partially disassembled state;

4 : the enlarged representation of the network structure reinforced in the edge area.

The 1 shows an embodiment of a network structure 1 , wherein the better optical clarity because of the network structure 1 is shown exploded.

There will be a series of stitches 10 in the network structure 1 formed, each stitch of at least two weft threads 4 . 5 and the warp thread 7 consists. However, the embodiment shows a total of three weft threads 2 . 4 and 5 ,

Starting with the weft thread 4 , bottom left in the illustration after 1 , It is noted that this is approximately in the form of a horizontal U and a vertical U-legs in the horizontal direction inwards to the first mesh 10 extends there and a (convoluted) operative connection with the parallel extending weft 5 received. This starts in the 1 standing at the bottom right and extends with his vertical U-leg from left to right again in the middle of the network structure, where he with the weft 4 engages a convoluted operative connection.

Right down in the middle of the 1 is the weft 4 or 4 ' arranged, in turn, with a vertical U-leg parallel to the U-leg of the weft thread 5 extends and goes to the right to form there with another weft threads, not shown, another stitch.

The same applies to the weft 5 , which is also from the middle area of the weft 5 ' out to the left with a horizontal thigh he stretches and then extends vertically upward to form another stitch with a further weft not shown.

From this it becomes clear that every stitch 10 from at least two weft threads 4 and 5 consists.

Now it is important that the binding of these weft threads 4 - 5 by means of a warp thread 7 takes place, which extends vertically from top to bottom and the individual, zigzag, vertical structures of the weft threads 4 . 5 connects together in the form of a tangled operative connection.

For optical simplification, this warp thread is 7 only in 1 shown as a straight, dashed line.

In fact, it reproduces the braid structure 2 , Which results in that it binds the individual stitches at the edge in the form of a continuous mesh pot, whereby a particularly firm and secure shift bond results.

It is important that the distance between the meshes 3 a series of weft threads 2 parallel and at a mutual distance through the network structure 1 extend through.

These weft threads are now in the aforementioned binding points in the area of the warp thread 7 with its braid structure 8th and in the area of the binding of the individual weft threads 4 - 5 held shiftable.

This is the value of the invention, because in particular these weft threads 2 in the mesh 9 the warp threads 7 have a particularly shift-secured bond, resulting in increased strength of the network structure 1 leads.

The 3 shows at a partially resolved network structure 1 after 1 the same explanations as given above. There it can be seen that in the lower part of the 3 the braid structure 8th of the warp 7 was resolved and therefore that the weft threads shown in detail 4 and 5 are shown at a mutual distance from each other. In reality, these are due to the braid structure 8th of the warp 7 connected with each other.

Furthermore, the continuous weft threads 2 clearly recognizable and it can also be seen that in the region of the horizontal legs of the respective stitches 10 the weft threads 4 . 5 each performed 2 times. This serves to increase the strength.

The 4 shows an undisturbed network structure 1 from which it can be seen that the network structure 1 at the edge with a rim reinforcement band 11 continues. It is easy to see that the weft threads 2 far into the edge reinforcement band 11 into it and there with a much denser network structure 1 are involved. This shows that no own and strange network reinforcement in the form of a hollow band or other foreign body must be used, because the network structure 1 homogeneous with greater effective density in the edge reinforcement band 11 hineinerstreckt.

With the novel network structure, therefore, far superior retention values are achieved in comparison with the prior art because it is no longer possible for the weft threads to occur 2 in the mesh 10 the network structure 1 move or even break or pull out of the edge reinforcement.

1

network structure

2

By weft

3

mesh

4

weft (yellow)

5

Weft thread (red) 5 '

6

7

warp

8th

Braided structure

9

mesh (Warp)

10

mesh (Network structure)

11

Edge reinforcing tape

Claims (7)

Restraint network for vehicles consisting of a network structure ( 1 ) with intersecting weft and warp threads ( 4 - 7 ), each one mesh ( 7 . 8th . 9 ) whose binding point is in each case determined by a weft thread ( 2 ) is interspersed, wherein the weft threads ( 2 ) are held parallel and at a mutual distance in a peripheral reinforcement, characterized in that each stitch ( 7 . 8th . 9 ) made of at least two weft threads ( 4 . 5 or 4 . 5 ' ), which in the form of a zig-zag structure differs from a mesh ( 7 . 8th . 9 ) extend to a diagonally opposite mesh and that the weft thread ( 2 ) this mesh structure ( 9 ) and, furthermore, any mesh ( 8th . 9 ) at the edge of a warp thread ( 7 ) is enclosed. Restraint system for vehicles according to claim 1, characterized in that the edge-facing of each mesh ( 8th . 9 ) with a warp thread ( 7 ), which has a braid structure ( 8th ). Restraint system for vehicles according to claim 1 or 2, characterized in that the knitted fabric of the network structure ( 1 ) at the edge in an amp kungsband ( 11 ) continues. Restraint system for vehicles according to one of claims 1 to 3, characterized in that a marginal reinforcing band ( 11 ) directly into the knit of the network structure ( 1 ) is incorporated by a higher effective density in the edge region of the network is present, so that the existing network structure ( 1 ) continues with higher weft and warp density in the edge region. Retention net for vehicles according to one of the claims 1 to 4, characterized in that the knitted fabric of the network structure is arranged multiplied in the edge region Restraint system for vehicles according to one of claims 1 to 5, characterized in that the weft threads ( 2 ) at bond points in the region of the warp thread ( 7 ) with its braid structure ( 8th ) and in the area of the binding of the individual weft threads ( 4 - 5 ) held displacement safe. are Restraint system for vehicles according to one of claims 1 to 6, characterized in that a total of three weft threads ( 4 . 5 . 7 ) are involved in the stitch formation.