FR708416A - Improvement in the process and device for the manufacture of lead pipes - Google Patents

Improvement in the process and device for the manufacture of lead pipes

Info

Publication number
FR708416A
FR708416A FR708416DA FR708416A FR 708416 A FR708416 A FR 708416A FR 708416D A FR708416D A FR 708416DA FR 708416 A FR708416 A FR 708416A
Authority
FR
France
Prior art keywords
improvement
manufacture
lead pipes
pipes
lead
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
Robert-Edward Roberts
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 FR708416A publication Critical patent/FR708416A/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
    • B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR708416D 1930-12-27 1930-12-27 Improvement in the process and device for the manufacture of lead pipes Expired FR708416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR708416T 1930-12-27

Publications (1)

Publication Number Publication Date
FR708416A true FR708416A (en) 1931-07-23

Family

ID=9068889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708416D Expired FR708416A (en) 1930-12-27 1930-12-27 Improvement in the process and device for the manufacture of lead pipes

Country Status (1)

Country Link
FR (1) FR708416A (en)

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