GEP19970790BGEAP1993575AGEAP1993000575AGEP19970790BGE P19970790 BGEP19970790 BGE P19970790BGE AP1993575 AGEAP1993575 AGE AP1993575AGE AP1993000575 AGEAP1993000575 AGE AP1993000575AGE P19970790 BGEP19970790 BGE P19970790B
Authority
GE
Georgia
Prior art keywords
concrete
pipe
fibre
reinforced
outer layer
Prior art date
Application number
GEAP1993575A
Inventor
Zhan-Klod For
Original Assignee
Sobeatube
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 SobeatubefiledCriticalSobeatube
Priority to GEAP1993575ApriorityCriticalpatent/GEP19970790B/en
Publication of GEP19970790BpublicationCriticalpatent/GEP19970790B/en
Pipe 10 comprising a cylindrical metal sheath 1 surrounded by a layer of insulating breeze concrete 2, comprising in combination an outer layer of fibre-reinforced centrifuged concrete 4 and a complementary sealed barrier 5 placed on the outer layer of fibre-reinforced centrifuged concrete 4. Application to transport, especially of hot water.