Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 22, 2015
Patent Application Number
13622728
Date Filed
September 19, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A firestop collar including a support band made of sheet metal and an intumescent strip that runs along the support band and is connected to it. The support band is provided with several pre-defined cutting zones which are at a distance from each other in the lengthwise direction and which run crosswise to the lengthwise direction. The intumescent strip has cutting areas that are oriented in the same manner and in which the intumescent strip is thinner than it is in the adjacent areas in the lengthwise direction. The cutting areas coincide with the cutting zones of the support band.
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