FR531265A - Improvements to metal propellers - Google Patents

Improvements to metal propellers

Info

Publication number
FR531265A
FR531265A FR531265DA FR531265A FR 531265 A FR531265 A FR 531265A FR 531265D A FR531265D A FR 531265DA FR 531265 A FR531265 A FR 531265A
Authority
FR
France
Prior art keywords
metal propellers
propellers
metal
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
Henry Leitner
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 filed Critical
Application granted granted Critical
Publication of FR531265A publication Critical patent/FR531265A/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)
FR531265D 1920-10-30 1921-02-23 Improvements to metal propellers Expired FR531265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB531265X 1920-10-30

Publications (1)

Publication Number Publication Date
FR531265A true FR531265A (en) 1922-01-10

Family

ID=10466743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531265D Expired FR531265A (en) 1920-10-30 1921-02-23 Improvements to metal propellers

Country Status (1)

Country Link
FR (1) FR531265A (en)

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