Pirelli Tyre S.p.a.

Textilma Ag

Technische Universitát Dresden

Olaf Diestel

Diego Tirelli

Chokri Cherif

Barbara Rampana

Udo Kuhlmann

Gerd Franzke

Christian Paul

Refah Ahmet Torun

Wolfram Schinkoreit

Wolfgang TRÜMPER

Regah Ahmet Torun

A tire includes at least one structural element which includes at least one reinforcing element which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarn including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. The tire may be a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests such as track motor races, or a tire suitable for sports utility vehicles.

Tire having a structural element reinforced with a hybrid yarn

A tire includes at least one structural element which includes at least one reinforcing element, which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarns including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. Preferably, the tire is a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests, such as, track motor races, or a tire suitable for sports utility vehicles.

The invention is directed to a process and a device for the production of textile net-like fabrics by various bonding processes, e.g., the warp knitting process or stitch bonding process. Based on the object of the invention--to provide a process and a device for carrying out the process for producing textile net-like fabrics with threads which are continuous in the working direction and transversely thereto and which form mesh sides of the net, with large mesh widths, a high variability of structure, and product widths extending beyond the working width --a plurality of adjacent groups (4) of mesh side threads forming the mesh sides in the working direction are produced, a function thread (12) is guided from one longitudinal side of the fabric to be produced to the opposite longitudinal side of the fabric to be produced in order to form the other mesh side lying transversely to the working direction, the function thread is temporarily set in its position transversely to the working direction at least at two setting points arranged adjacent to one another transversely to the working direction, the function thread is formed into at least one loop in order to form function thread reserves (13) between two setting points arranged transversely to the working direction, the function thread which is provided with at least one function thread reserve and is temporarily set transversely to the working direction is tied on or tied in at the same time at least at two adjacent groups of mesh side threads, and the temporary setting of the function thread is canceled.

Process and installation for producing textile net-like fabrics

Growing community of inventors

Dresden, Germany

Olaf Diestel