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Application filed by Paalutuspalvelu KyfiledCriticalPaalutuspalvelu Ky
Priority to FI880707ApriorityCriticalpatent/FI80924C/en
Publication of FI880707A0publicationCriticalpatent/FI880707A0/en
Publication of FI880707LpublicationCriticalpatent/FI880707L/en
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Publication of FI80924BpublicationCriticalpatent/FI80924B/en
Publication of FI80924CpublicationCriticalpatent/FI80924C/en
Protection Of Pipes Against Damage, Friction, And Corrosion
(AREA)
Abstract
Procedure for installing a protective pipe 1 through an embankment 2, road or similar under it, wherein an opening is drilled through the embankment, a working pipe 4 is fitted in the opening, and the protective pipe is drawn into the opening from the working pipe. <IMAGE>
FI880707A1988-02-151988-02-15
Procedure for mounting a protective tube
FI80924C
(en)
EXCAVATION PROCEDURE AND EQUIPMENT FOR ACCESS, FOR THE PURPOSE OF MAINTENANCE AND/OR REGENERATION, TO BURIED PIPELINES OF OIL, GAS PIPELINES AND SIMILAR.