FR411903A - Perfectionnements apportés aux perforateurs et marteaux, ou autres outils et machines à percussion - Google Patents

Perfectionnements apportés aux perforateurs et marteaux, ou autres outils et machines à percussion

Info

Publication number
FR411903A
FR411903A FR411903DA FR411903A FR 411903 A FR411903 A FR 411903A FR 411903D A FR411903D A FR 411903DA FR 411903 A FR411903 A FR 411903A
Authority
FR
France
Prior art keywords
perforators
hammers
machines
percussion tools
percussion
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
Alfred Sykes
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 FR411903A publication Critical patent/FR411903A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR411903D 1909-01-27 1910-01-24 Perfectionnements apportés aux perforateurs et marteaux, ou autres outils et machines à percussion Expired FR411903A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB411903X 1909-01-27

Publications (1)

Publication Number Publication Date
FR411903A true FR411903A (fr) 1910-06-29

Family

ID=1455812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR411903D Expired FR411903A (fr) 1909-01-27 1910-01-24 Perfectionnements apportés aux perforateurs et marteaux, ou autres outils et machines à percussion

Country Status (1)

Country Link
FR (1) FR411903A (fr)

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