Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bjarte Langeland0
Date of Patent
November 11, 2008
0Patent Application Number
105501060
Date Filed
March 18, 2004
0Patent Primary Examiner
Patent abstract
A rigid pipe (1) is achieved according to the invention in that half-cylinder shaped elements (2) are joined/hinged (3) to each other and where to a such chains are connected together with their concave sides in a zipper-like motion. The two half-cylindrical chains are spooled (13) up individually on each side of a housing (12). This result in a particularly rigid pipe of varying length with a wide area of use.
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