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Application filed by Kauko Ahonen, Hannu SaloheimofiledCriticalKauko Ahonen
Priority to FI954564ApriorityCriticalpatent/FI100900B/en
Publication of FI954564A0publicationCriticalpatent/FI954564A0/en
Publication of FI954564ApublicationCriticalpatent/FI954564A/en
Application grantedgrantedCritical
Publication of FI100900BpublicationCriticalpatent/FI100900B/en
The invention relates to a method of checking the bottom of a basin. A net 1 is drawn along the bottom by making its foot rope 3 trail along the bottom, any obstacle being indicated by the net 1 catching and the head rope showing the point at which the net has caught. The method can be implemented using a net in which the foot rope is heavy, having a weight of 10-30 kg per 100 metres. <IMAGE>
FI954564A1995-09-271995-09-27
Method and network for checking the bottom of a water body
FI100900B
(en)