JPS6180894U - - Google Patents

Info

Publication number

JPS6180894U

JPS6180894U JP16385484U JP16385484U JPS6180894U JP S6180894 U JPS6180894 U JP S6180894U JP 16385484 U JP16385484 U JP 16385484U JP 16385484 U JP16385484 U JP 16385484U JP S6180894 U JPS6180894 U JP S6180894U

Authority

JP

Japan

Prior art keywords

arm

hydraulic jack

bulkhead

shield body

cutter wheel

Prior art date

1984-10-31

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

• 238000007790 scraping Methods 0.000 claims description 3
• 230000002265 prevention Effects 0.000 claims description 2
• 239000011888 foil Substances 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 239000013049 sediment Substances 0.000 description 1

Cited By (1)