FR857742A - Perfectionnements aux pales d'hélice - Google Patents

Perfectionnements aux pales d'hélice

Info

Publication number
FR857742A
FR857742A FR857742DA FR857742A FR 857742 A FR857742 A FR 857742A FR 857742D A FR857742D A FR 857742DA FR 857742 A FR857742 A FR 857742A
Authority
FR
France
Prior art keywords
propeller blades
propeller
blades
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)
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.)
Alcoa Corp
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 FR857742A publication Critical patent/FR857742A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
    • B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR857742D 1938-07-18 1939-07-12 Perfectionnements aux pales d'hélice Expired FR857742A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US857742XA 1938-07-18 1938-07-18

Publications (1)

Publication Number Publication Date
FR857742A true FR857742A (fr) 1940-09-26

Family

ID=22193841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857742D Expired FR857742A (fr) 1938-07-18 1939-07-12 Perfectionnements aux pales d'hélice

Country Status (1)

Country Link
FR (1) FR857742A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006729B (de) * 1952-12-30 1957-04-18 United Aircraft Corp Verfahren zur Herstellung eines Luftschraubenfluegelrohlings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006729B (de) * 1952-12-30 1957-04-18 United Aircraft Corp Verfahren zur Herstellung eines Luftschraubenfluegelrohlings

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