US Patent 6948716 Waterstop having improved water and moisture sealing features
Patent 6948716 was granted and assigned to LG on September, 2005 by the United States Patent and Trademark Office.
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Patent abstract
An improved waterstop having the important added feature of a hydro expansive compound which expands when subjected to water. By expanding, the hydro expansive compound effectively blocks the passage of water that leaks into the gaps created during the shrinkage of the concrete surrounding the improved waterstop. All that is required are narrow strips of judiciously positioned hydro expansive compound at opposite ends of the improved waterstop.
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Patent Inventor Names
Gérard Drouin0
Date of Patent
September 27, 2005
0Patent Application Number
103788080
Date Filed
March 3, 2003
0Patent Primary Examiner
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US Patent 6948716 Waterstop having improved water and moisture sealing features
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