DE185594C - - Google Patents

Info

Publication number

DE185594C

DE185594C DENDAT185594D DE185594DA DE185594C DE 185594 C DE185594 C DE 185594C DE NDAT185594 D DENDAT185594 D DE NDAT185594D DE 185594D A DE185594D A DE 185594DA DE 185594 C DE185594 C DE 185594C

Authority

DE

Germany

Prior art keywords

drill

machine

protective

piston

parts

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

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• 230000001681 protective effect Effects 0.000 claims description 21
• 230000006378 damage Effects 0.000 claims description 9
• 239000000463 material Substances 0.000 description 3
• 238000010276 construction Methods 0.000 description 2
• 239000011435 rock Substances 0.000 description 2
• 229910000906 Bronze Inorganic materials 0.000 description 1
• 239000010974 bronze Substances 0.000 description 1
• 230000006835 compression Effects 0.000 description 1
• 238000007906 compression Methods 0.000 description 1
• KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000000763 evoking effect Effects 0.000 description 1
• 238000011835 investigation Methods 0.000 description 1
• 239000010985 leather Substances 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000001404 mediated effect Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 238000005096 rolling process Methods 0.000 description 1
• 239000004575 stone Substances 0.000 description 1
• 230000003313 weakening effect Effects 0.000 description 1