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Priority claimed from US07/490,714external-prioritypatent/US4991006A/en
Application filed by Insituform Group LtdfiledCriticalInsituform Group Ltd
Publication of NO923418D0publicationCriticalpatent/NO923418D0/en
Publication of NO923418LpublicationCriticalpatent/NO923418L/en
Anordning for besikting av en grenledning (16) som utgår fra en hovedrørledning (10) ved anvendelse av en vrengbar slange (58) som innledningsvis er anbrakt i hovedrørledningen for fremføring av et TV-kamera (20), et rensehode eller en annen innretning inn i og langs grenledningen.Apparatus for inspecting a branch line (16) starting from a main pipeline (10) using a pivotal hose (58) initially arranged in the main pipeline for feeding a TV camera (20), a cleaning head or other device in and along the branch line.
NO92923418A1990-03-081992-09-02
DEVICE FOR VIEWING THE INTERNAL OF A BRANCH PIPE
NO923418L
(en)