CH219850A - Process for the production of hollow metallic propeller blades. - Google Patents

Process for the production of hollow metallic propeller blades.

Info

Publication number
CH219850A
CH219850A CH219850DA CH219850A CH 219850 A CH219850 A CH 219850A CH 219850D A CH219850D A CH 219850DA CH 219850 A CH219850 A CH 219850A
Authority
CH
Switzerland
Prior art keywords
production
propeller blades
hollow metallic
metallic propeller
hollow
Prior art date
Application number
Other languages
German (de)
Inventor
America Aluminium Company Of
Original Assignee
Aluminum Co 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 Co Of America filed Critical Aluminum Co Of America
Publication of CH219850A publication Critical patent/CH219850A/en

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)
CH219850D 1939-07-25 1940-07-24 Process for the production of hollow metallic propeller blades. CH219850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US219850XA 1939-07-25 1939-07-25

Publications (1)

Publication Number Publication Date
CH219850A true CH219850A (en) 1942-02-28

Family

ID=21807218

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219850D CH219850A (en) 1939-07-25 1940-07-24 Process for the production of hollow metallic propeller blades.

Country Status (1)

Country Link
CH (1) CH219850A (en)

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