FR447880A - Closure for hollow ceiling bricks - Google Patents

Closure for hollow ceiling bricks

Info

Publication number
FR447880A
FR447880A FR447880DA FR447880A FR 447880 A FR447880 A FR 447880A FR 447880D A FR447880D A FR 447880DA FR 447880 A FR447880 A FR 447880A
Authority
FR
France
Prior art keywords
closure
hollow ceiling
ceiling bricks
bricks
hollow
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
Franz Nentwich
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.)
FRANZ NENTWICH
Original Assignee
FRANZ NENTWICH
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 FRANZ NENTWICH filed Critical FRANZ NENTWICH
Application granted granted Critical
Publication of FR447880A publication Critical patent/FR447880A/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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/003—Apparatus or processes for treating or working the shaped or preshaped articles the shaping of preshaped articles, e.g. by bending
    • B28B11/006—Making hollow articles or partly closed articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR447880D 1912-09-02 1912-09-02 Closure for hollow ceiling bricks Expired FR447880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447880T 1912-09-02

Publications (1)

Publication Number Publication Date
FR447880A true FR447880A (en) 1913-01-17

Family

ID=1488538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447880D Expired FR447880A (en) 1912-09-02 1912-09-02 Closure for hollow ceiling bricks

Country Status (1)

Country Link
FR (1) FR447880A (en)

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