Patent · US Active

Intumescent fire resistance device and breach in a wall

US10729923B2 · kind B2 · utility

1Cited by

1References

19Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Christian Förg · Buchloe, DE
Herbert Munzenberger · Wiesbaden, DE

Key dates

Filing date	Nov 13, 2017
Grant date	Aug 4, 2020
Priority date	—
Expiry date	Nov 13, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH02G3/22
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An intumescent fire resistance device for closing breaches in walls or ceilings, contains a plurality of planar carriers which are provided with an intumescent coating on at least one side. The carriers are secured to one another at least partially overlapping in an overlap region such that a strip or ring is produced the length of which is longer than the length of an individual carrier.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.