4. Tool driving or impacting
  5. Impacting devices
  6. Impact transmitting anvil

Gunnar V. R. Romell

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Device for damping the recoil of a work tool connected to a perc

Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent

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Method of rock bolting and tube-formed expansion bolt

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent

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Method of rock bolting and tube-formed expansion bolt

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Fluent pressure actuated
Patent

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Method of rock bolting and tube-formed expansion bolt

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-750553

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