US Patent 8188382 Leadthrough for passing conduits through constructional components
Patent 8188382 was granted and assigned to Hilti on May, 2012 by the United States Patent and Trademark Office.
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Patent abstract
A leadthrough for passing conduits (6) through a constructional component (5) includes a circumferentially closed housing (12), an insert (21) of intumescent material located in the housing (12), and a first and second diaphragm-shaped sealing members (31, 36) formed, respectively, of an elastic material, and a textile flat material, each having a through-opening (32, 37) and both located in the housing (12), with the second sealing member (36) having a transition temperature of at least 600° C.
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Patent Inventor Names
Christian Viermann0
Thomas Monden0
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US Patent 08188382 Leadthrough for passing conduits through constructional components US Patent 8188382 Leadthrough for passing conduits through constructional components
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Patent Number
081883820
Patent Number
81883820
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
081883820
Date of Patent
May 29, 2012
0Patent Application Number
123805690
Date Filed
February 26, 2009
0Patent Primary Examiner
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US Patent 08188382 Leadthrough for passing conduits through constructional components
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08188382
Date of patent
May 29, 2012
Patent application number
12380569
Date Filed
February 26, 2009
Patent primary examiner
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