US 11,808,036 B2
Thermal and acoustic insulating and sealing system for a safing slot in a curtain wall
Manfred Klein, Kaufering (DE); Christian Foerg, Dillishausen (DE); Mario Paetow, Igling (DE); Markus Koegler, Kaufering (DE); and Arndt Andresen, Irving, TX (US)
Assigned to HILTI AKTIENGESELLSCHAFT, Schaan (LI)
Filed by HILTI AKTIENGESELLSCHAFT, Schaan (LI)
Filed on Apr. 16, 2021, as Appl. No. 17/232,518.
Application 17/232,518 is a continuation of application No. 16/303,112, granted, now 11,035,121, previously published as PCT/EP2017/059357, filed on Apr. 20, 2017.
Claims priority of application No. 16170528 (EP), filed on May 20, 2016.
Prior Publication US 2021/0230869 A1, Jul. 29, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. E04B 2/96 (2006.01); E04B 1/66 (2006.01); E04B 1/94 (2006.01)
CPC E04B 2/967 (2013.01) [E04B 1/66 (2013.01); E04B 1/948 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A spandrel panel, comprising:
an exterior wall surface, an interior wall surface, and a
sealing system, the sealing system comprising:
a compartment comprising at least two sides, wherein the at least two sides are external to the interior wall surface:
a cover over an interior space of the compartment; and
a sealing material disposed in the interior space of the compartment,
wherein the sealing material comprises a compressed fire-resistant foam comprising a synthetic rubber foam, a polyethylene foam, a polyurethane foam, a polypropylene foam, a polyvinyl chloride foam, or silicone foam, in the interior space of the compartment when the cover is closed and wherein the foam expands to an uncompressed state when the cover is opened, and
wherein the cover comprises a plastic material or a metal foil.