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:
Dec. 19, 2000
Filed:
Feb. 16, 1999
Herbert Munzenberger, Wiesbaden, DE;
Arndt Andresen, Landsberg/Lech, DE;
Jean-Louis Milhes, Feldkirch, AT;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A masonry lead-in fixture having a housing (2; 102) including an axially extending through bore (10; 110), a radially protruding attachment flange (4; 104) provided at least at one end of the housing (2; 102), and a mass (11; 111) intumescible in case of a fire, with the mass (11, 111) limiting the bore (10; 110) at least regionwise and closing the bore (10; 110) upon being intumesced, and a substantially disc-shaped partition (12; 112) located in the housing (2; 102) and which elastically and springy extends over an entire inner diameter of the bore (10, 110) and has a predetermined breaking area which is broken through upon pipe cable or the like being pushed therethrough.