DEA0019640MA - - Google Patents

Info

Publication number

DEA0019640MA

DEA0019640MA DEA0019640MA DE A0019640M A DEA0019640M A DE A0019640MA DE A0019640M A DEA0019640M A DE A0019640MA

Authority

DE

Germany

Prior art keywords

plug

front part

recess

face

blasting

Prior art date

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.)

Active

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 239000000463 material Substances 0.000 claims description 6
• 238000005422 blasting Methods 0.000 description 9
• 239000002360 explosive Substances 0.000 description 9
• 238000005474 detonation Methods 0.000 description 3
• 239000004033 plastic Substances 0.000 description 3
• 239000004568 cement Substances 0.000 description 2
• 239000004567 concrete Substances 0.000 description 2
• 238000005553 drilling Methods 0.000 description 2
• 239000002023 wood Substances 0.000 description 2
• 239000011449 brick Substances 0.000 description 1
• 239000004927 clay Substances 0.000 description 1
• 238000004880 explosion Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1