FR2137836A1 - Easily removable foundry cores - of porous carbon - Google Patents

Easily removable foundry cores - of porous carbon

Info

Publication number
FR2137836A1
FR2137836A1 FR7217066A FR7217066A FR2137836A1 FR 2137836 A1 FR2137836 A1 FR 2137836A1 FR 7217066 A FR7217066 A FR 7217066A FR 7217066 A FR7217066 A FR 7217066A FR 2137836 A1 FR2137836 A1 FR 2137836A1
Authority
FR
France
Prior art keywords
porous carbon
easily removable
foundry cores
cores
foundry
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
FR7217066A
Other languages
French (fr)
Other versions
FR2137836B1 (en
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.)
Novelis Deutschland GmbH
Original Assignee
Alcan Aluminiumwerke GmbH
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
Priority claimed from DE19712123632 external-priority patent/DE2123632C/en
Application filed by Alcan Aluminiumwerke GmbH filed Critical Alcan Aluminiumwerke GmbH
Publication of FR2137836A1 publication Critical patent/FR2137836A1/en
Application granted granted Critical
Publication of FR2137836B1 publication Critical patent/FR2137836B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

The cores for use in casting moulds for the foundry industry consist of 80% volume perosity C. The C is made pref. by the carbonisation of plastic foam. They are removed by burning out.
FR7217066A 1971-05-12 1972-05-12 Easily removable foundry cores - of porous carbon Granted FR2137836A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712123632 DE2123632C (en) 1971-05-12 Easily removable molded parts, ms special cores for foundry purposes and processes for their manufacture

Publications (2)

Publication Number Publication Date
FR2137836A1 true FR2137836A1 (en) 1972-12-29
FR2137836B1 FR2137836B1 (en) 1974-09-27

Family

ID=5807687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217066A Granted FR2137836A1 (en) 1971-05-12 1972-05-12 Easily removable foundry cores - of porous carbon

Country Status (2)

Country Link
FR (1) FR2137836A1 (en)
IT (1) IT955226B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416069A1 (en) * 1978-02-07 1979-08-31 Lydmet Ltd PROCESS FOR THE MOLDING OF HOLLOW METAL OBJECTS AND CORES FOR THE APPLICATION OF THIS PROCESS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416069A1 (en) * 1978-02-07 1979-08-31 Lydmet Ltd PROCESS FOR THE MOLDING OF HOLLOW METAL OBJECTS AND CORES FOR THE APPLICATION OF THIS PROCESS

Also Published As

Publication number Publication date
IT955226B (en) 1973-09-29
DE2123632B1 (en) 1972-08-24
FR2137836B1 (en) 1974-09-27

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Legal Events

Date Code Title Description
ST Notification of lapse