FR491251A - Hot-drilling process for slips - Google Patents

Hot-drilling process for slips

Info

Publication number
FR491251A
FR491251A FR491251DA FR491251A FR 491251 A FR491251 A FR 491251A FR 491251D A FR491251D A FR 491251DA FR 491251 A FR491251 A FR 491251A
Authority
FR
France
Prior art keywords
slips
hot
drilling process
drilling
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
Louis Renault
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 FR491251A publication Critical patent/FR491251A/en
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
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR491251D 1915-10-14 1915-10-14 Hot-drilling process for slips Expired FR491251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR491251T 1915-10-14

Publications (1)

Publication Number Publication Date
FR491251A true FR491251A (en) 1919-05-28

Family

ID=1527274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491251D Expired FR491251A (en) 1915-10-14 1915-10-14 Hot-drilling process for slips

Country Status (1)

Country Link
FR (1) FR491251A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605236A1 (en) * 1976-02-11 1977-08-25 Maximilianshuette Eisenwerk HOLE PIECE WITH CIRCULAR CROSS SECTION
FR2481962A1 (en) * 1980-05-08 1981-11-13 Mannesmann Ag DEVICE FOR GUIDING THE PUNCH IN PRESSES FOR PUNCHING AND SPINNING, IN PARTICULAR FOR REVERSE SPINNING OF HOLLOW BODIES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605236A1 (en) * 1976-02-11 1977-08-25 Maximilianshuette Eisenwerk HOLE PIECE WITH CIRCULAR CROSS SECTION
FR2481962A1 (en) * 1980-05-08 1981-11-13 Mannesmann Ag DEVICE FOR GUIDING THE PUNCH IN PRESSES FOR PUNCHING AND SPINNING, IN PARTICULAR FOR REVERSE SPINNING OF HOLLOW BODIES

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