JPH01124899U - - Google Patents

Info

Publication number

JPH01124899U

JPH01124899U JP1756288U JP1756288U JPH01124899U JP H01124899 U JPH01124899 U JP H01124899U JP 1756288 U JP1756288 U JP 1756288U JP 1756288 U JP1756288 U JP 1756288U JP H01124899 U JPH01124899 U JP H01124899U

Authority

JP

Japan

Prior art keywords

tip

outer shell

shell member

cut

cutter head

Prior art date

1988-02-15

Legal status (The legal status 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 status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
• 229910052742 iron Inorganic materials 0.000 claims description 2
• 238000000465 moulding Methods 0.000 claims description 2
• 230000005611 electricity Effects 0.000 claims 1
• -1 electricity Substances 0.000 claims 1
• 238000000034 method Methods 0.000 claims 1
• 239000010865 sewage Substances 0.000 claims 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
• 238000009412 basement excavation Methods 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1