Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 14, 2008
0Patent Application Number
114525710
Date Filed
June 14, 2006
0Patent Primary Examiner
Patent abstract
A small diameter shock tube of unique internal surface configuration such that the powder loading per meter of tubing can be higher than achieved with conventional shock tube. The outside diameter of the tube is less than 0.10″, preferably 0.085″ with inner and outer layers of different polymeric material bonded together in a coextrusion process. The inside surface of the shock tube has radially inwardly projecting ribs or protuberances that result in an increase of the internal perphi of the inner surface cross section achieving a 30% increase so that powder loading per meter of the tube can be kept in a safe range.
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