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FR967438A - Manufacturing process for hollow objects - Google Patents

Manufacturing process for hollow objects

Info

Publication number
FR967438A
FR967438A FR967438DA FR967438A FR 967438 A FR967438 A FR 967438A FR 967438D A FR967438D A FR 967438DA FR 967438 A FR967438 A FR 967438A
Authority
FR
France
Prior art keywords
manufacturing process
hollow objects
hollow
objects
manufacturing
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Robert Roussin
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 filed Critical
Application granted granted Critical
Publication of FR967438A publication Critical patent/FR967438A/en
Expired 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/44—Producing shaped prefabricated articles from the material by forcing cores into filled moulds for forming hollow articles
    • 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
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0008—Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR967438D 1948-06-08 1948-06-08 Manufacturing process for hollow objects Expired FR967438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967438T 1948-06-08

Publications (1)

Publication Number Publication Date
FR967438A true FR967438A (en) 1950-11-03

Family

ID=9500642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967438D Expired FR967438A (en) 1948-06-08 1948-06-08 Manufacturing process for hollow objects

Country Status (1)

Country Link
FR (1) FR967438A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381345A (en) * 1965-04-13 1968-05-07 Charles L. Williams Apparatus for producing concrete blocks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381345A (en) * 1965-04-13 1968-05-07 Charles L. Williams Apparatus for producing concrete blocks

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