FR868275A - Improvements made to the manufacture of hollow metal objects and more particularly to hollow metal propeller blades - Google Patents

Improvements made to the manufacture of hollow metal objects and more particularly to hollow metal propeller blades

Info

Publication number
FR868275A
FR868275A FR868275DA FR868275A FR 868275 A FR868275 A FR 868275A FR 868275D A FR868275D A FR 868275DA FR 868275 A FR868275 A FR 868275A
Authority
FR
France
Prior art keywords
hollow metal
manufacture
improvements made
propeller blades
objects
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)
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Application granted granted Critical
Publication of FR868275A publication Critical patent/FR868275A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/78—Making other particular articles propeller blades; turbine blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR868275D 1939-07-25 1940-08-29 Improvements made to the manufacture of hollow metal objects and more particularly to hollow metal propeller blades Expired FR868275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US868275XA 1939-07-25 1939-07-25

Publications (1)

Publication Number Publication Date
FR868275A true FR868275A (en) 1941-12-26

Family

ID=22201177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868275D Expired FR868275A (en) 1939-07-25 1940-08-29 Improvements made to the manufacture of hollow metal objects and more particularly to hollow metal propeller blades

Country Status (1)

Country Link
FR (1) FR868275A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944527C (en) * 1952-08-02 1956-06-14 Canadian Patents Dev Method and device for shaping hollow bodies closed at one end, such as hollow turbine blades
DE1025701B (en) * 1952-07-29 1958-03-06 Snecma Filler core for forging thin-walled hollow bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025701B (en) * 1952-07-29 1958-03-06 Snecma Filler core for forging thin-walled hollow bodies
DE944527C (en) * 1952-08-02 1956-06-14 Canadian Patents Dev Method and device for shaping hollow bodies closed at one end, such as hollow turbine blades

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