FR482697A - Mechanical hammer drill - Google Patents

Mechanical hammer drill

Info

Publication number
FR482697A
FR482697A FR482697DA FR482697A FR 482697 A FR482697 A FR 482697A FR 482697D A FR482697D A FR 482697DA FR 482697 A FR482697 A FR 482697A
Authority
FR
France
Prior art keywords
hammer drill
mechanical hammer
mechanical
drill
hammer
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Hugues-Emile-Joseph-Augustin Roche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUGUES EMILE JOSEPH AUGUSTIN R
Original Assignee
HUGUES EMILE JOSEPH AUGUSTIN R
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUGUES EMILE JOSEPH AUGUSTIN R filed Critical HUGUES EMILE JOSEPH AUGUSTIN R
Application granted granted Critical
Publication of FR482697A publication Critical patent/FR482697A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02Special design or construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02Special design or construction
    • B21J7/14Forging machines working with several hammers
    • B21J7/16Forging machines working with several hammers in rotary arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR482697D 1915-10-21 1915-10-21 Mechanical hammer drill Expired FR482697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR482697T 1915-10-21

Publications (1)

Publication Number Publication Date
FR482697A true FR482697A (en) 1917-04-12

Family

ID=1519677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR482697D Expired FR482697A (en) 1915-10-21 1915-10-21 Mechanical hammer drill

Country Status (1)

Country Link
FR (1) FR482697A (en)

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