FR456045A - Perfectionnements aux perforatrices de roches - Google Patents

Perfectionnements aux perforatrices de roches

Info

Publication number
FR456045A
FR456045A FR456045DA FR456045A FR 456045 A FR456045 A FR 456045A FR 456045D A FR456045D A FR 456045DA FR 456045 A FR456045 A FR 456045A
Authority
FR
France
Prior art keywords
drilling machine
rock drilling
machine improvements
rock
machine
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
English (en)
Inventor
Edward Francis Winkelmeyer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR456045A publication Critical patent/FR456045A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR456045D 1913-03-27 1913-03-27 Perfectionnements aux perforatrices de roches Expired FR456045A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR456045T 1913-03-27

Publications (1)

Publication Number Publication Date
FR456045A true FR456045A (fr) 1913-08-14

Family

ID=1495873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456045D Expired FR456045A (fr) 1913-03-27 1913-03-27 Perfectionnements aux perforatrices de roches

Country Status (1)

Country Link
FR (1) FR456045A (fr)

Similar Documents

Publication Publication Date Title
FR456045A (fr) Perfectionnements aux perforatrices de roches
FR435398A (fr) Perfectionnements aux perforatrices de roches
FR466180A (fr) Perfectionnements aux machines à forer
FR427828A (fr) Perfectionnements apportés aux forets à percussion
FR411242A (fr) Perfectionnements aux mèches-forets
CA148175A (fr) Foret a roc
CA153619A (fr) Foret a roc
CA153634A (fr) Foret a roc
CA154553A (fr) Foret a roc
CA159670A (fr) Foret a roc
FR422982A (fr) Perforateur de roche
DK16857C (da) Boreredskab.
FR456503A (fr) Machine à percer
CA151332A (fr) Machine a forer
CH53189A (de) Tunnelbohrmaschine
FI5569A (fi) Kolmivaihteinen porasorkka
FR466098A (fr) Semoir
DK14700C (da) Tunnelboremaskine.
CA135333A (fr) Foret a roc
CA141782A (fr) Foret a roc
CA142463A (fr) Foret a roc
CA142266A (fr) Foret a roc
CA131021A (fr) Foret a roc
CA135833A (fr) Foret a roc
CA138357A (fr) Foret a roc