4. Boring or penetrating the earth
  5. Tool shaft advanced relative to guide insertable in...

Karl Eischeid

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Drill bit for undercutting a blind bore

Boring or penetrating the earth – Tool shaft advanced relative to guide insertable in...
Patent

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Drilling apparatus for producing drilled holes with undercuts

Cutting by use of rotating axially moving tool – Tool-support with means to move tool relative to tool-support – To move radially
Patent

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Hard metal drill bit for use on a drill

Cutting by use of rotating axially moving tool – Tool or tool with support – Having peripherally spaced cutting edges
Reexamination Certificate

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Mounting for facing panels

Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Discrete dissimilar tie between stonelike components
Patent

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Securing device for a blind undercut bore

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent

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Profile ID: LFUS-PAI-P-1565347

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