Abrasion-resistant belt
AssigneeHabasit AG
InventorsEric Josserond, Gregor Sieben, Urs Gsponer, Felix Rolle
Life of this patent
Estimating the term…
Abstract
A belt having a first cover layer with a first top surface and preferably also a second cover layer with a second top surface, wherein the first cover layer and, if present, the second cover layer are made of a foam having a thermoplastic or thermoplastic elastomer, in particular a TPU or PEBA. The belt is suitable e.g. as a machine tape in mail sorting machines and for power transmission.
Claims19
A belt comprising a first cover layer with a first top surface, a second cover layer with a second top surface and a central traction layer comprising a fabric or consisting of a fabric, said fabric having warps and wefts;
- characterised in that the first cover layer consists of a foam comprising a first thermoplastic or first thermoplastic elastomer, wherein the foam of the first cover layer is a closed cell foam and the first cover layer is devoid of a skin;
- in that the second cover layer consists of a foam comprising a second thermoplastic or second thermoplastic elastomer, wherein the foam of the second cover layer is a closed cell foam and the second cover layer is devoid of a skin;
- and in that the belt does not have laterally projecting support strips in, at or near its neutral plane, in the form of projections extending laterally from the lateral sides of the belt by a distance long enough and being sufficiently rigid such as that the belt could be supported by such lateral supports on a pulley.
Dependencies are inferred from the claim text.