A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To provide a bit capable of reducing a cost in a boring work.SOLUTION: A bit 2 includes a head 21 and a seat portion 22. The head 21 is made of a member different from the seat portion 22, is connected to the seat portion 22, and is removable from the seat portion 22.SELECTED DRAWING: Figure 2
【課題】穿孔工事におけるコストを低減可能なビットを提供する。【解決手段】ビット２は、ヘッド２１と、座部２２とを備える。ヘッド２１は座部２２とは別部材から成り、座部２２に接続されると共に座部２２から取り外し可能である。【選択図】図２
To provide a bit capable of reducing a cost in a boring work.SOLUTION: A bit 2 includes a head 21 and a seat portion 22. The head 21 is made of a member different from the seat portion 22, is connected to the seat portion 22, and is removable from the seat portion 22.SELECTED DRAWING: Figure 2
【課題】穿孔工事におけるコストを低減可能なビットを提供する。【解決手段】ビット２は、ヘッド２１と、座部２２とを備える。ヘッド２１は座部２２とは別部材から成り、座部２２に接続されると共に座部２２から取り外し可能である。【選択図】図２
BIT AND BORING APPARATUS
ビット及び穿孔装置
NINOMIYA KEIJI (author)
2021-02-04
Patent
Electronic Resource
Japanese