DE1248576B - Elastic belt fabric - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Int. CI .:

D03d

German KI .: 86 c-1/33

Number: 1248 576

File number: K 45124 VII a / 86 c

Filing date: November 4, 1961

Opened on: August 24, 1967

The invention relates to an elastic belt fabric For seating and reclining furniture as a support surface for upholstery that can be placed on top or as an immediate seat or seat. Lying area in which inelastic warp and weft threads are assigned elastic warp threads are.

In the past, the belts for such coverings were woven from hemp, which is why they were unsatisfactory are because their durability is limited and because they are not stretchable.

Therefore, and because the desire for the most elastic possible padding for upholstered cushions was expressed, Later on, spring cores were often incorporated into upholstered furniture, which were made next to each other arranged and usually interlocked coil springs exist.

In this way, upholstered furniture with great elasticity of the seat can be achieved. Is disadvantageous However, the increase in price due to the spring cores and in particular that the upholstery structure (spring core and Cushion) has a considerable height. Nowadays, however, there is a lot of emphasis on low upholstered furniture placed.

It has therefore been switched to allow a lighter and flatter upholstery construction, to use elastic upholstery straps and the upholstery cushion on the covering formed by them hang up.

The belt fabric used for this purpose (German utility model 1 820 796) consists of inelastic Warp and weft threads in which elastic warp threads are incorporated. The elastic chain threads are made of braided rubber threads, so they have a comparatively rough surface. Since the inelastic textile threads in the warp and weft are also rough on the surface, there is both between these and the wrapping of the rubber threads as well as between those and the on the belt fabric The upholstered cushions placed on top of the cushion increase considerably due to the constantly changing stresses in use Friction, which inevitably leads to rapid wear of the belt fabric.

The invention is based on the object of remedying this. This is done with an elastic Belt fabric of the type described at the beginning and last essentially achieved in that the inelastic Warp threads and the inelastic weft threads from a highly tear-resistant core and from one Sheath made of weldable plastic and fixed at their binding points by welding are.

In this way an unyielding framework becomes elastic belt fabric

Applicant:

Fa. Hch. Calf's head, Münchberg (Ofr.)

Formed from solid warp and weft threads, in which the elastic warp threads are embedded, so that they practically do not come into contact with the upholstery cushion to be applied to the belt fabric, consequently not subject to friction, which is equally advantageous for the upholstery cover expresses. By sheathing the inelastic warp and weft threads with a plastic, they are given a comparatively smooth surface, so that the internal friction of the fabric is also reduced to a minimum. This has the further progressive consequence that the rubber threads have the necessary play when stretching and contracting the fabric, in that they can slide freely between the warp and weft threads. The plastic wrap gives further a high degree of insensitivity to moisture, and therefore an extraordinary resistance to \ ^r errottung.

It has proven to be advantageous to use the core of the inelastic warp and weft threads made of polyester to manufacture, so that there is a particularly good stability. Finally, the invention seeks to increase the elasticity of the belt fabric that between two inelastic warp threads several elastic Warp threads are woven in in the form of well-known covered rubber threads.

Element protection does not apply to the features of the main claim.

In the drawing, the subject matter of the invention is illustrated in a schematic representation using an exemplary embodiment. It shows

F i g. 1 shows a cross section through a woven belt and

F i g. 2 shows a partial plan view of FIG. 1.

In the warp there are elastic threads α and inelastic threads δ. The former are advantageously covered rubber threads known per se. The latter consist of a highly tear-resistant core c, z. B. made of polyester, and in a known manner from an envelope d made of weldable plastic, preferably PVC.

709 638/174

Claims (3)

Threads of the same design, ie consisting of a core c and a covering d, form the weft threads e. The finished fabric is exposed to a brief superficial exposure to heat, e.g. B. by being passed through a drying oven, with the result that the warp threads b and the weft threads e weld to one another at the binding points / in a manner known per se. The threads b and e therefore form a framework with the fixed points /. In this framework, the rubber threads α are protected, on the one hand, because the binding points f are higher, and, on the other hand, with unimpeded free play, since the framework, as it were, forms channels for the rubber thread α. The drawing shows a simple structure. It is of course possible to deviate therefrom in several respects, e.g. B. in that between two adjacent warp threads b several, z. B. two or three rubber threads α are woven in. It is also possible to insert ordinary textile threads both in the warp and in the weft. The fact that colored threads, especially colored warp threads b and weft threads e are incorporated, can give the belt a lively, color-laxed appearance, which is particularly beneficial when the belts form a covering that directly serves as a sitting or lying surface , e.g. B. for garden furniture and similar claims: 1. Elastic belt fabric for seating and reclining furniture as a support surface for upholstery that can be placed on top or as an immediate seating or lying surface, in which inelastic warp and weft threads are assigned elastic warp threads, characterized in that the inelastic warp threads (b) and the inelastic weft threads ( e) consist of a highly tear-resistant core (c) and a casing {d) made of weldable plastic and are fixed at their connection points by welding. 2. Belt fabric according to claim 1, characterized in that the core (c) made of polyester consists. 3. Belt fabric according to claim 1, characterized in that between two adjacent inelastic warp threads (b) several elastic warp threads (d) are woven in the form of braided rubber threads known per se. Considered publications:
German utility model No. 1 820 796;
U.S. Patent Nos. 2,769,222, 2,771,659. 1 sheet of drawings 709 638Π74 8. 67 © Bundesdruckerei Berlin