Hilti Aktiengesellschaft

Hans Henning Artmann

Herbert Muenzenberger

Markus Koegler

Herbert Munzenberger

Herbert Münzenberger

Egon Berghofer

Markus Kogler

Markus KÖGLER

A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein, and is characterized in that the frame is of modular construction.

Firestop collar

A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein.

A firestop collar () for sealing of an opening, especially of a line penetration (), that passes through a wall () or ceiling, has a frame () and a block () of optionally intumescent material disposed therein, and is characterized in that the frame () is of modular construction.

A firestop collar () for sealing of openings, especially of line penetrations (), that pass through walls () or ceilings, has a frame () and a block () of optionally intumescent material disposed therein, and is characterized in that the frame () is of modular construction.

Growing community of inventors

Munich, Germany

Hans Henning Artmann