FR2278430B1 - - Google Patents

Info

Publication number
FR2278430B1
FR2278430B1 FR7518760A FR7518760A FR2278430B1 FR 2278430 B1 FR2278430 B1 FR 2278430B1 FR 7518760 A FR7518760 A FR 7518760A FR 7518760 A FR7518760 A FR 7518760A FR 2278430 B1 FR2278430 B1 FR 2278430B1
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
FR7518760A
Other versions
FR2278430A1 (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.)
Friedrich Kocks GmbH and Co
Original Assignee
Friedrich Kocks GmbH and Co
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 Friedrich Kocks GmbH and Co filed Critical Friedrich Kocks GmbH and Co
Publication of FR2278430A1 publication Critical patent/FR2278430A1/fr
Application granted granted Critical
Publication of FR2278430B1 publication Critical patent/FR2278430B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
    • 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
    • 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
    • B21C45/00—Separating mandrels from work or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Continuous Casting (AREA)
FR7518760A 1974-07-19 1975-06-16 Procede pour la fabrication d'ebauches de tubes Granted FR2278430A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742434850 DE2434850C3 (de) 1974-07-19 1974-07-19 Verfahren zum Herstellen von Rohrluppen

Publications (2)

Publication Number Publication Date
FR2278430A1 FR2278430A1 (fr) 1976-02-13
FR2278430B1 true FR2278430B1 (fr) 1982-08-13

Family

ID=5921031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518760A Granted FR2278430A1 (fr) 1974-07-19 1975-06-16 Procede pour la fabrication d'ebauches de tubes

Country Status (4)

Country Link
JP (1) JPS5137037A (fr)
DE (1) DE2434850C3 (fr)
FR (1) FR2278430A1 (fr)
GB (1) GB1526072A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402497A1 (fr) * 1977-09-12 1979-04-06 Kabel Metallwerke Ghh Procede pour la fabrication de profiles allonges, metalliques, a perforations multiples
JPS5950359A (ja) * 1982-09-14 1984-03-23 Nisshin Flour Milling Co Ltd 粗蛋白定量用錠剤型触媒
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
DE102011111423B4 (de) * 2011-08-23 2020-02-06 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum Herstellen einer Aussparung in einem Gussbauteil
CN105903942A (zh) * 2016-07-02 2016-08-31 徐华林 用于铸造模具浇铸的倾倒装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE329235C (de) * 1918-08-01 1920-11-20 Huettenbetr Abteilung Duesseld Verfahren zur Herstellung gelochter Metallrohrbloecke fuer die Herstellung nahtloserRohre
US3773104A (en) * 1970-06-05 1973-11-20 F Kocks Apparatus for casting metals

Also Published As

Publication number Publication date
DE2434850B2 (de) 1980-09-25
JPS5422180B2 (fr) 1979-08-04
DE2434850A1 (de) 1976-02-05
DE2434850C3 (de) 1981-05-27
GB1526072A (en) 1978-09-27
FR2278430A1 (fr) 1976-02-13
JPS5137037A (ja) 1976-03-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse