Hilti Aktiengesellschaft

Lukas Schwaiger

Chad Stroike

Tamara Sarg

Joshua Vandertook

Herbert Münzenberger

Kejriwal Akhil

A fire-protection apparatus contains a housing with a passage, and an insert containing a plurality of sections made of a flexible material.

Air, acoustic and/or fire sealing sleeve insert and air, acoustic and/or fire sealing device

An air, acoustic and/or fire sealing device comprising an air, acoustic and/or fire sealing insert body comprising molded foam material, the body having a first end and a second end and a bulk continuous with the first end and the second end; wherein the body has an outer diameter, and the body is adapted to allow one or more pipes, fibers and/or cables to pass through the first and second ends and the bulk; and, a flexible hollow sleeve having an inner diameter, a first open end and a second open end, the ends being axially arranged; wherein the outer diameter of the air, acoustic and/or fire sealing insert body is greater than, equal to, or less than, the inner diameter of the flexible hollow sleeve; and, the air, acoustic and/or fire sealing insert body is arranged in the sleeve, is disclosed.

Growing community of inventors

The Colony, TX, United States of America

Lukas Schwaiger