Fire prevention sleeve

US9121527B2 · kind B2 · utility

Assignee

• Hilti Aktiengesellschaft · LI

Inventors

• Herbert Munzenberger · Wiesbaden, DE
• Michael Drexl · Odelzhausen, DE

Key dates

• Filing date: Jun 29, 2012
• Grant date: Sep 1, 2015
• Expiry date: Jan 6, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A62C3/16
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A fire prevention sleeve that may be fastened at a wall or ceiling for sealing lines passing through walls or ceilings with an intumescent fire prevention insert, a wall mount encompassing the fire prevention insert, with the fire prevention insert being arranged at its interior, and at least one fastening part projecting radially outwardly in the area of at least one facial side of the wall mount, characterized in that the intumescent fire prevention insert is formed by an elastically deformable molded body, completely filling out the intumescent insert as a space encompassed by the housing.