The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Nov. 13, 2017
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Christian Förg, Lamerdingen, DE;
Herbert Münzenberger, Wiesbaden, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C 2/06 (2006.01); F16L 5/04 (2006.01); H02G 3/04 (2006.01); H02G 3/22 (2006.01); E04B 1/94 (2006.01);
U.S. Cl.
CPC ...
A62C 2/065 (2013.01); E04B 1/947 (2013.01); F16L 5/04 (2013.01); H02G 3/0412 (2013.01); H02G 3/22 (2013.01);
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.