FR2176624A1 - - Google Patents

Info

Publication number
FR2176624A1
FR2176624A1 FR7211154A FR7211154A FR2176624A1 FR 2176624 A1 FR2176624 A1 FR 2176624A1 FR 7211154 A FR7211154 A FR 7211154A FR 7211154 A FR7211154 A FR 7211154A FR 2176624 A1 FR2176624 A1 FR 2176624A1
Authority
FR
France
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.)
Granted
Application number
FR7211154A
Other languages
French (fr)
Other versions
FR2176624B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TARDIGLIO JEAN
Original Assignee
TARDIGLIO JEAN
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 TARDIGLIO JEAN filed Critical TARDIGLIO JEAN
Priority to FR7211154A priority Critical patent/FR2176624B1/fr
Publication of FR2176624A1 publication Critical patent/FR2176624A1/fr
Application granted granted Critical
Publication of FR2176624B1 publication Critical patent/FR2176624B1/fr
Expired legal-status Critical Current

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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7211154A 1972-03-24 1972-03-24 Expired FR2176624B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7211154A FR2176624B1 (enExample) 1972-03-24 1972-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7211154A FR2176624B1 (enExample) 1972-03-24 1972-03-24

Publications (2)

Publication Number Publication Date
FR2176624A1 true FR2176624A1 (enExample) 1973-11-02
FR2176624B1 FR2176624B1 (enExample) 1976-10-29

Family

ID=9096050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7211154A Expired FR2176624B1 (enExample) 1972-03-24 1972-03-24

Country Status (1)

Country Link
FR (1) FR2176624B1 (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1574900A (en) * 1923-07-16 1926-03-02 Kellogg M W Co Apparatus and method for making openings in pipes, cylindrical tanks, etc.
FR963103A (enExample) * 1950-06-30
FR1109710A (fr) * 1953-10-21 1956-02-01 Babcock & Wilcox France Dispositif d'extrusion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963103A (enExample) * 1950-06-30
US1574900A (en) * 1923-07-16 1926-03-02 Kellogg M W Co Apparatus and method for making openings in pipes, cylindrical tanks, etc.
FR1109710A (fr) * 1953-10-21 1956-02-01 Babcock & Wilcox France Dispositif d'extrusion

Also Published As

Publication number Publication date
FR2176624B1 (enExample) 1976-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse