FR703989A - Improvements to metal propellers and their manufacture - Google Patents

Improvements to metal propellers and their manufacture

Info

Publication number
FR703989A
FR703989A FR703989DA FR703989A FR 703989 A FR703989 A FR 703989A FR 703989D A FR703989D A FR 703989DA FR 703989 A FR703989 A FR 703989A
Authority
FR
France
Prior art keywords
manufacture
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)
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.)
ALUMINIUM Ltd
Original Assignee
ALUMINIUM Ltd
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 ALUMINIUM Ltd filed Critical ALUMINIUM Ltd
Application granted granted Critical
Publication of FR703989A publication Critical patent/FR703989A/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)
FR703989D 1929-08-19 1930-08-18 Improvements to metal propellers and their manufacture Expired FR703989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US703989XA 1929-08-19 1929-08-19

Publications (1)

Publication Number Publication Date
FR703989A true FR703989A (en) 1931-05-08

Family

ID=22095061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703989D Expired FR703989A (en) 1929-08-19 1930-08-18 Improvements to metal propellers and their manufacture

Country Status (1)

Country Link
FR (1) FR703989A (en)

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