DE2614532C3 - - Google Patents

Info

Publication number

DE2614532C3

DE2614532C3 DE2614532C3 DE 2614532 C3 DE2614532 C3 DE 2614532C3 DE 2614532 C3 DE2614532 C3 DE 2614532C3

Authority

DE

Germany

Prior art keywords

drill

locking

chuck

spiral

pressure

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.)

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Links

• Espacenet
• Global Dossier
• DPMA
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• 238000005553 drilling Methods 0.000 claims description 13
• 230000008878 coupling Effects 0.000 claims description 8
• 238000010168 coupling process Methods 0.000 claims description 8
• 238000005859 coupling reaction Methods 0.000 claims description 8
• 238000006073 displacement reaction Methods 0.000 claims description 3
• 238000004804 winding Methods 0.000 description 2
• 238000005516 engineering process Methods 0.000 description 1
• 230000002349 favourable effect Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000001105 regulatory effect Effects 0.000 description 1