FR2326993B1 - - Google Patents

Info

Publication number
FR2326993B1
FR2326993B1 FR7531135A FR7531135A FR2326993B1 FR 2326993 B1 FR2326993 B1 FR 2326993B1 FR 7531135 A FR7531135 A FR 7531135A FR 7531135 A FR7531135 A FR 7531135A FR 2326993 B1 FR2326993 B1 FR 2326993B1
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.)
Expired
Application number
FR7531135A
Other languages
French (fr)
Other versions
FR2326993A1 (fr
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.)
Degond SA Ets J
Original Assignee
Degond SA Ets J
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 Degond SA Ets J filed Critical Degond SA Ets J
Priority to FR7531135A priority Critical patent/FR2326993A1/fr
Publication of FR2326993A1 publication Critical patent/FR2326993A1/fr
Application granted granted Critical
Publication of FR2326993B1 publication Critical patent/FR2326993B1/fr
Granted 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • 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
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
    • 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
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02—Dies; Selection of material therefor; Cleaning thereof
    • B21C3/06—Dies; Selection of material therefor; Cleaning thereof with adjustable section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
FR7531135A 1975-10-10 1975-10-10 Procede et dispositif pour l'etirage d'un tube a epaisseur variable Granted FR2326993A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7531135A FR2326993A1 (fr) 1975-10-10 1975-10-10 Procede et dispositif pour l'etirage d'un tube a epaisseur variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7531135A FR2326993A1 (fr) 1975-10-10 1975-10-10 Procede et dispositif pour l'etirage d'un tube a epaisseur variable

Publications (2)

Publication Number Publication Date
FR2326993A1 FR2326993A1 (fr) 1977-05-06
FR2326993B1 true FR2326993B1 (zh) 1979-06-15

Family

ID=9161075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7531135A Granted FR2326993A1 (fr) 1975-10-10 1975-10-10 Procede et dispositif pour l'etirage d'un tube a epaisseur variable

Country Status (1)

Country Link
FR (1) FR2326993A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016135C2 (de) * 1980-04-24 1983-04-14 Mannesmann AG, 4000 Düsseldorf Zieheinrichtung
US4726211A (en) * 1984-04-16 1988-02-23 Sanwa Kokan Kabushiki Kaishas Method of cold drawing seamless metal tubes each having an upset portion on each end
US5119662A (en) * 1984-04-16 1992-06-09 Sanwa Kokan Co., Ltd. Methods for cold drawing seamless metal tubes each having an upset portion on each end
US5337476A (en) * 1992-07-13 1994-08-16 The Torrington Company Method of making a camshaft
FR2697764B1 (fr) * 1992-11-09 1995-03-03 New Conimast International Procédé de fabrication de poteaux de diamètre variable.
US5989133A (en) * 1996-05-03 1999-11-23 True Temper Sports, Inc. Golf club and shaft therefor and method of making same
GB2529844B (en) * 2014-09-03 2017-03-08 Reynolds Tech Ltd Forming butted tubes
CN109877594A (zh) * 2019-04-19 2019-06-14 东莞市方荣精机工业有限公司 一种矩形拉拔机

Also Published As

Publication number Publication date
FR2326993A1 (fr) 1977-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse