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Application filed by Herold Haaning HoejfiledCriticalHerold Haaning Hoej
Priority to DK59186ApriorityCriticalpatent/DK155754C/en
Publication of DK59186D0publicationCriticalpatent/DK59186D0/en
Publication of DK59186ApublicationCriticalpatent/DK59186A/en
Publication of DK155754BpublicationCriticalpatent/DK155754B/en
Application grantedgrantedCritical
Publication of DK155754CpublicationCriticalpatent/DK155754C/en
A cover 1 for an opening in a sewage pipe 2, preferably a rat-blocking device 3, is configured such that the rim 4 of the cover is uniformly bevelled all the way round and such that the rim 7 of the hole has a corresponding uniform bevel, in which both bevels are realized with the same angle. The cover and the sewage pipe are provided with means by which the cover can be secured in the hole. A cover 1 is hereby obtained which seals off the sewage pipe without transition edges of any type whatsoever being formed on the inner side. <IMAGE>
DK59186A1986-02-061986-02-06
OPEN COVER OPEN IN DRAINAGE DRAINAGE PIPES AND USE THEREOF
DK155754C
(en)