FR491414A - Improvements made to propellers and their manufacturing method - Google Patents

Improvements made to propellers and their manufacturing method

Info

Publication number
FR491414A
FR491414A FR491414DA FR491414A FR 491414 A FR491414 A FR 491414A FR 491414D A FR491414D A FR 491414DA FR 491414 A FR491414 A FR 491414A
Authority
FR
France
Prior art keywords
propellers
manufacturing
improvements made
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
Thomas Andrew Dicks
James Beecher Luttrell
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.)
JAMES BEECHER LUTTRELL
Original Assignee
JAMES BEECHER LUTTRELL
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 JAMES BEECHER LUTTRELL filed Critical JAMES BEECHER LUTTRELL
Application granted granted Critical
Publication of FR491414A publication Critical patent/FR491414A/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)
FR491414D 1918-08-22 1918-08-22 Improvements made to propellers and their manufacturing method Expired FR491414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR491414T 1918-08-22

Publications (1)

Publication Number Publication Date
FR491414A true FR491414A (en) 1919-06-03

Family

ID=1527422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491414D Expired FR491414A (en) 1918-08-22 1918-08-22 Improvements made to propellers and their manufacturing method

Country Status (1)

Country Link
FR (1) FR491414A (en)

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