Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coopetanche SA
Original Assignee
Coopetanche SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coopetanche SAfiledCriticalCoopetanche SA
Priority to ES556810ApriorityCriticalpatent/ES8704359A3/en
Publication of ES556810A0publicationCriticalpatent/ES556810A0/en
Publication of ES8704359A3publicationCriticalpatent/ES8704359A3/en
The system uses a collar of metal or synthetic material, e.g. PVC, opt. reinforced, with sufficient mechanical strength in the wall to prevent collapse when external pressure is applied, but with enough flexibility to adapt to the pipe curvature; and a rigid structure consisting of a solid or ring-shaped plate in each end of the collar.
ES556810A1986-06-251986-06-25Internal coating system for pipes
ExpiredES8704359A3
(en)