Article, particularly an air spring bellows, a metal-rubber element, or a vibration damper

Abstract

The invention relates to an article comprising a main body (6, 7, 8) that consists of a polymer material having elastic properties, particularly an air spring bellows (2), a metal-rubber element or a vibration damper. In order for fire-retardant properties to be improved, the article is provided, partially or fully, with a cover (9) formed from at least one flat textile structure and/or at least one three-dimensional textile structure and/or at least one shrink film. The cover can be fire-retardant itself or can be equipped to be fire-retardant.

Claims

1. An air spring bellows comprising a polymeric material having elastic properties, wherein the air spring bellows has a surface which is at least partially covered with at least one cover, and wherein the cover is formed from a shrink film comprising EPDM or silicone.

2. The air spring bellows as claimed in claim 1, wherein the shrink film is configured as a shrink tube.

Description

(1) The invention is now more particularly described by means of exemplary embodiments with reference to schematic drawings, where:

(2) FIG. 1 shows an air spring arrangement;

(3) FIG. 2 shows the layered construction of an air spring bellows comprising a cover composed of a weave having a flame-retardant finish.

(4) FIG. 1 shows an air spring arrangement 1 comprising an air spring bellows 2 and also the two connection components in the form of lid 3 and rolling piston 4, to form an elastic-volume air chamber 5.

(5) FIG. 2 then shows the layered construction of a finalized air spring bellows 2. This air spring bellows consists of an inner layer 6 and an outer layer 7 as elastic main body, for example composed of a vulcanized mixture of rubber based on NR, a strength member layer 8, for example in the form of a polyamide weave, embedded between the inner layer 6 and the outer layer 7, and also of a cover 9, which is in direct contact with the outer layer 8. The cover 9 in the form of a weave has a finish with at least one flame-retardant agent.

LIST OF REFERENCE SIGNS

Part of the Description

(6) 1 air spring arrangement 2 air spring bellows 3 lid 4 rolling piston 5 elastic-volume air chamber 6 inner layer of an air spring bellows 7 outer layer of an air spring bellows 8 strength member layer of an air spring bellows 9 cover