JPH0346745Y2 - - Google Patents

Info

Publication number

JPH0346745Y2

JPH0346745Y2 JP14139186U JP14139186U JPH0346745Y2 JP H0346745 Y2 JPH0346745 Y2 JP H0346745Y2 JP 14139186 U JP14139186 U JP 14139186U JP 14139186 U JP14139186 U JP 14139186U JP H0346745 Y2 JPH0346745 Y2 JP H0346745Y2

Authority

JP

Japan

Prior art keywords

drill

drilling machine

vertical movement

dental model

movement cylinder

Prior art date

1986-09-17

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

• 238000005520 cutting process Methods 0.000 claims description 42
• 238000005553 drilling Methods 0.000 claims description 40
• 239000011505 plaster Substances 0.000 claims description 29
• 239000000843 powder Substances 0.000 claims description 22
• 238000004080 punching Methods 0.000 claims description 12
• 238000003780 insertion Methods 0.000 claims description 9
• 230000037431 insertion Effects 0.000 claims description 9
• 229910052602 gypsum Inorganic materials 0.000 description 12
• 239000010440 gypsum Substances 0.000 description 12
• 239000000428 dust Substances 0.000 description 4
• 238000005516 engineering process Methods 0.000 description 3
• 230000002093 peripheral effect Effects 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 230000008674 spewing Effects 0.000 description 2
• 238000010276 construction Methods 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 230000002542 deteriorative effect Effects 0.000 description 1
• 230000003028 elevating effect Effects 0.000 description 1
• 239000002184 metal Substances 0.000 description 1