FR554770A - Improvements to a process and apparatus for making pipes, tubes and the like of lead or similar material - Google Patents

Improvements to a process and apparatus for making pipes, tubes and the like of lead or similar material

Info

Publication number
FR554770A
FR554770A FR554770DA FR554770A FR 554770 A FR554770 A FR 554770A FR 554770D A FR554770D A FR 554770DA FR 554770 A FR554770 A FR 554770A
Authority
FR
France
Prior art keywords
tubes
lead
similar material
making pipes
pipes
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
John Burr Lane
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 FR554770A publication Critical patent/FR554770A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR554770D 1921-08-22 1922-08-04 Improvements to a process and apparatus for making pipes, tubes and the like of lead or similar material Expired FR554770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB554770X 1921-08-22

Publications (1)

Publication Number Publication Date
FR554770A true FR554770A (en) 1923-06-16

Family

ID=10474035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR554770D Expired FR554770A (en) 1921-08-22 1922-08-04 Improvements to a process and apparatus for making pipes, tubes and the like of lead or similar material

Country Status (1)

Country Link
FR (1) FR554770A (en)

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