FR448270A - Perfectionnements aux marteaux mécaniques - Google Patents

Perfectionnements aux marteaux mécaniques

Info

Publication number
FR448270A
FR448270A FR448270DA FR448270A FR 448270 A FR448270 A FR 448270A FR 448270D A FR448270D A FR 448270DA FR 448270 A FR448270 A FR 448270A
Authority
FR
France
Prior art keywords
mechanical hammers
hammers
mechanical
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
William Blacker
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 FR448270A publication Critical patent/FR448270A/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
    • B21J7/02—Special design or construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR448270D 1911-12-20 1912-09-12 Perfectionnements aux marteaux mécaniques Expired FR448270A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB448270X 1911-12-20

Publications (1)

Publication Number Publication Date
FR448270A true FR448270A (fr) 1913-01-27

Family

ID=1488896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR448270D Expired FR448270A (fr) 1911-12-20 1912-09-12 Perfectionnements aux marteaux mécaniques

Country Status (1)

Country Link
FR (1) FR448270A (fr)

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