BORING EQUIPMENT

PURPOSE:To obtain boring equipment which makes it possible to hold a core drill device in a state wherein a boring operation can be executed, even when a porous material or a tile is laid and stuck on a floor surface. CONSTITUTION:Flat-plate-shaped weighty substances 3 and 4 are provided on a floor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUBOKURA KUNIAKI, SHIGETOMI NAGAMICHI, OKADA KUNIO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE:To obtain boring equipment which makes it possible to hold a core drill device in a state wherein a boring operation can be executed, even when a porous material or a tile is laid and stuck on a floor surface. CONSTITUTION:Flat-plate-shaped weighty substances 3 and 4 are provided on a floor surface 2a whereon a porous material or a tile is laid and stuck, and a suction-type fixing device 5 is fixed by vacuum suction on these weighty substances 3 and 4. On a first support 6 erected on this suction-type fixing device 5, a second support 8 extending toward a surface 7a to be bored of a concrete structural substance 7 and a core drill device 9 provided movably on this second support 8 are supported movably.