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.)
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Priority claimed from DEA49780Aexternal-prioritypatent/DE1255395B/de
Application filedfiledCritical
Priority to NL7411017ApriorityCriticalpatent/NL7411017A/xx
Publication of NL7411017ApublicationCriticalpatent/NL7411017A/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
F16B13/002—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose self-cutting
F16B13/004—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose self-cutting with a drilling sleeve driven against a tapered or spherical plug
