FR497858A - Perfectionnements aux hélices - Google Patents

Perfectionnements aux hélices

Info

Publication number
FR497858A
FR497858A FR497858A FR497858DA FR497858A FR 497858 A FR497858 A FR 497858A FR 497858 A FR497858 A FR 497858A FR 497858D A FR497858D A FR 497858DA FR 497858 A FR497858 A FR 497858A
Authority
FR
France
Prior art keywords
refinements
propeller
propeller refinements
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
FR497858A
Other languages
English (en)
Inventor
Henry Leitner
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 FR497858A publication Critical patent/FR497858A/fr
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)
FR497858A 1917-12-27 1919-04-05 Perfectionnements aux hélices Expired FR497858A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB497858X 1917-12-27

Publications (1)

Publication Number Publication Date
FR497858A true FR497858A (fr) 1919-12-19

Family

ID=1533148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497858A Expired FR497858A (fr) 1917-12-27 1919-04-05 Perfectionnements aux hélices

Country Status (1)

Country Link
FR (1) FR497858A (fr)

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