CH219849A - Process for the production of hollow metallic propeller blades. - Google Patents

Process for the production of hollow metallic propeller blades.

Info

Publication number
CH219849A
CH219849A CH219849DA CH219849A CH 219849 A CH219849 A CH 219849A CH 219849D A CH219849D A CH 219849DA CH 219849 A CH219849 A CH 219849A
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 CH219849A publication Critical patent/CH219849A/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)
CH219849D 1939-07-25 1940-07-24 Process for the production of hollow metallic propeller blades. CH219849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US219849XA 1939-07-25 1939-07-25

Publications (1)

Publication Number Publication Date
CH219849A true CH219849A (en) 1942-02-28

Family

ID=21807216

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219849D CH219849A (en) 1939-07-25 1940-07-24 Process for the production of hollow metallic propeller blades.

Country Status (1)

Country Link
CH (1) CH219849A (en)

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