FR2303621A1 - Pieces etanches en demi-coquilles, et leur procede de fabrication - Google Patents

Pieces etanches en demi-coquilles, et leur procede de fabrication

Info

Publication number
FR2303621A1
FR2303621A1 FR7507678A FR7507678A FR2303621A1 FR 2303621 A1 FR2303621 A1 FR 2303621A1 FR 7507678 A FR7507678 A FR 7507678A FR 7507678 A FR7507678 A FR 7507678A FR 2303621 A1 FR2303621 A1 FR 2303621A1
Authority
FR
France
Prior art keywords
joined
guttering
semicylindrical
form complete
complete cylinder
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.)
Granted
Application number
FR7507678A
Other languages
English (en)
French (fr)
Other versions
FR2303621B3 (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.)
Laminoirs de Strasbourg
Original Assignee
Laminoirs de Strasbourg
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 Laminoirs de Strasbourg filed Critical Laminoirs de Strasbourg
Priority to FR7507678A priority Critical patent/FR2303621A1/fr
Publication of FR2303621A1 publication Critical patent/FR2303621A1/fr
Application granted granted Critical
Publication of FR2303621B3 publication Critical patent/FR2303621B3/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00—Bends; Siphons
    • F16L43/001—Bends; Siphons made of metal
    • F16L43/002—Bends; Siphons made of metal and formed from sheet having a circular passage
    • 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
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material
    • 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
    • B21C37/296—Making branched pieces starting from strip material; Making branched tubes by securing a secondary tube in an opening in the undeformed wall of a principal tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
FR7507678A 1975-03-12 1975-03-12 Pieces etanches en demi-coquilles, et leur procede de fabrication Granted FR2303621A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7507678A FR2303621A1 (fr) 1975-03-12 1975-03-12 Pieces etanches en demi-coquilles, et leur procede de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7507678A FR2303621A1 (fr) 1975-03-12 1975-03-12 Pieces etanches en demi-coquilles, et leur procede de fabrication

Publications (2)

Publication Number Publication Date
FR2303621A1 true FR2303621A1 (fr) 1976-10-08
FR2303621B3 FR2303621B3 (enExample) 1977-11-18

Family

ID=9152452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507678A Granted FR2303621A1 (fr) 1975-03-12 1975-03-12 Pieces etanches en demi-coquilles, et leur procede de fabrication

Country Status (1)

Country Link
FR (1) FR2303621A1 (enExample)

Also Published As

Publication number Publication date
FR2303621B3 (enExample) 1977-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse