Bracket for a firestop collar and use of this bracket

• US 9,861,843 B2
• Filed: 09/20/2012
• Issued: 01/09/2018
• Est. Priority Date: 10/05/2011
• Status: Active Grant

• Current Assignee: Hilti Aktiengesellschaft (Hilti Martin Family Trust)
• Original Assignee: Hilti Aktiengesellschaft (Hilti Martin Family Trust)
• Inventors: Paetow, Mario, Semler, Rudolf
• Primary Examiner(s): Glessner, Brian
• Assistant Examiner(s): Ihezie, Joshua
• Application Number:
  US13/623,150
• Publication Number:
  US 20130086856A1
• Time in Patent Office: 1,937 Days
• Field of Search: 52232
• CPC Class Codes: A62C 2/065 having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
• CPC Class Codes: F16L 3/123 and extending along the attachment surface
• CPC Class Codes: F16L 5/04 to form a firebreak device
• CPC Class Codes: H02G 3/0412 Heat or fire protective means for fire in electric circuits A62C3/16

Abstract

The anchoring element serves to anchor the bracket to a substrate, and the pressure element is intended to interact with the firestop collar. The pressure element can be moved relative to the anchoring element. An expansion element made of intumescent material is arranged between the anchoring element and the pressure element.

Claims

1. A method for providing a firestop collar comprising:

fastening a firestop collar using a bracket, the bracket comprising;

an anchor for anchoring the bracket to a substrate;

a pressure element intended to interact with the firestop collar, the pressure element movable relative to the anchor; and

an expansion element made of intumescent material arranged between the anchor and the pressure element.