FR76222E - Ribbed tube for enamel support - Google Patents

Ribbed tube for enamel support

Info

Publication number
FR76222E
FR76222E FR800245A FR800245A FR76222E FR 76222 E FR76222 E FR 76222E FR 800245 A FR800245 A FR 800245A FR 800245 A FR800245 A FR 800245A FR 76222 E FR76222 E FR 76222E
Authority
FR
France
Prior art keywords
ribbed tube
enamel
support
enamel support
ribbed
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
FR800245A
Other languages
French (fr)
Inventor
Ferdinand Friess
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
Priority to FR800245A priority Critical patent/FR76222E/en
Application granted granted Critical
Publication of FR76222E publication Critical patent/FR76222E/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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR800245A 1959-07-16 1959-07-16 Ribbed tube for enamel support Expired FR76222E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR800245A FR76222E (en) 1959-07-16 1959-07-16 Ribbed tube for enamel support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR800245A FR76222E (en) 1959-07-16 1959-07-16 Ribbed tube for enamel support

Publications (1)

Publication Number Publication Date
FR76222E true FR76222E (en) 1961-09-29

Family

ID=8717214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800245A Expired FR76222E (en) 1959-07-16 1959-07-16 Ribbed tube for enamel support

Country Status (1)

Country Link
FR (1) FR76222E (en)

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