FR2256808B1 - - Google Patents

Info

Publication number
FR2256808B1
FR2256808B1 FR7400571A FR7400571A FR2256808B1 FR 2256808 B1 FR2256808 B1 FR 2256808B1 FR 7400571 A FR7400571 A FR 7400571A FR 7400571 A FR7400571 A FR 7400571A FR 2256808 B1 FR2256808 B1 FR 2256808B1
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
FR7400571A
Other languages
French (fr)
Other versions
FR2256808A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7400571A priority Critical patent/FR2256808A1/fr
Publication of FR2256808A1 publication Critical patent/FR2256808A1/fr
Application granted granted Critical
Publication of FR2256808B1 publication Critical patent/FR2256808B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/342—Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
FR7400571A 1974-01-08 1974-01-08 Method of forming hollow wall panels - uses blocks of ice cast in panels and melting to leave spaces Granted FR2256808A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7400571A FR2256808A1 (en) 1974-01-08 1974-01-08 Method of forming hollow wall panels - uses blocks of ice cast in panels and melting to leave spaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400571A FR2256808A1 (en) 1974-01-08 1974-01-08 Method of forming hollow wall panels - uses blocks of ice cast in panels and melting to leave spaces

Publications (2)

Publication Number Publication Date
FR2256808A1 FR2256808A1 (en) 1975-08-01
FR2256808B1 true FR2256808B1 (enrdf_load_html_response) 1976-11-26

Family

ID=9133215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400571A Granted FR2256808A1 (en) 1974-01-08 1974-01-08 Method of forming hollow wall panels - uses blocks of ice cast in panels and melting to leave spaces

Country Status (1)

Country Link
FR (1) FR2256808A1 (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466898B (sv) * 1990-10-24 1992-04-27 Concrete Building Tech Foerfarande foer framstaellning av betongelement

Also Published As

Publication number Publication date
FR2256808A1 (en) 1975-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse