JPH0434205Y2 - - Google Patents

Info

Publication number

JPH0434205Y2

JPH0434205Y2 JP7250989U JP7250989U JPH0434205Y2 JP H0434205 Y2 JPH0434205 Y2 JP H0434205Y2 JP 7250989 U JP7250989 U JP 7250989U JP 7250989 U JP7250989 U JP 7250989U JP H0434205 Y2 JPH0434205 Y2 JP H0434205Y2

Authority

JP

Japan

Prior art keywords

excavation

plow

stirring

claws

walls

Prior art date

1989-06-21

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009412 basement excavation Methods 0.000 claims description 72
• 210000000078 claw Anatomy 0.000 claims description 69
• 238000003756 stirring Methods 0.000 claims description 54
• 229910000831 Steel Inorganic materials 0.000 claims description 39
• 239000010959 steel Substances 0.000 claims description 39
• 239000002689 soil Substances 0.000 claims description 36
• 239000000463 material Substances 0.000 claims description 34
• 239000002184 metal Substances 0.000 claims description 34
• 239000004568 cement Substances 0.000 claims description 33
• 238000013019 agitation Methods 0.000 claims description 25
• 239000008267 milk Substances 0.000 claims description 21
• 210000004080 milk Anatomy 0.000 claims description 21
• 235000013336 milk Nutrition 0.000 claims description 21
• 230000007246 mechanism Effects 0.000 claims description 9
• 210000000988 bone and bone Anatomy 0.000 claims description 8
• 238000010276 construction Methods 0.000 description 6
• 238000003780 insertion Methods 0.000 description 6
• 230000037431 insertion Effects 0.000 description 6
• 238000000034 method Methods 0.000 description 4
• 238000004898 kneading Methods 0.000 description 2
• 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
• 230000008901 benefit Effects 0.000 description 1
• 230000008094 contradictory effect Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000006872 improvement Effects 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1
• 230000008569 process Effects 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1
• 238000007790 scraping Methods 0.000 description 1
• 230000007704 transition Effects 0.000 description 1