FR504925A - Appareil de chauffage ou de refroidissement - Google Patents

Appareil de chauffage ou de refroidissement

Info

Publication number
FR504925A
FR504925A FR504925A FR504925DA FR504925A FR 504925 A FR504925 A FR 504925A FR 504925 A FR504925 A FR 504925A FR 504925D A FR504925D A FR 504925DA FR 504925 A FR504925 A FR 504925A
Authority
FR
France
Prior art keywords
heating
cooling device
cooling
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
FR504925A
Other languages
English (en)
Inventor
Alexandre Bigot
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
Application granted granted Critical
Publication of FR504925A publication Critical patent/FR504925A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
FR504925A 1919-10-15 1919-10-15 Appareil de chauffage ou de refroidissement Expired FR504925A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR504925T 1919-10-15

Publications (1)

Publication Number Publication Date
FR504925A true FR504925A (fr) 1920-07-20

Family

ID=8908129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504925A Expired FR504925A (fr) 1919-10-15 1919-10-15 Appareil de chauffage ou de refroidissement

Country Status (1)

Country Link
FR (1) FR504925A (fr)

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