GB228233A - Improved manufacture of ceramic products - Google Patents

Improved manufacture of ceramic products

Info

Publication number
GB228233A
GB228233A GB2662023A GB2662023A GB228233A GB 228233 A GB228233 A GB 228233A GB 2662023 A GB2662023 A GB 2662023A GB 2662023 A GB2662023 A GB 2662023A GB 228233 A GB228233 A GB 228233A
Authority
GB
United Kingdom
Prior art keywords
fluoride
per cent
clay
lime
carbonate
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
GB2662023A
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 GB2662023A priority Critical patent/GB228233A/en
Publication of GB228233A publication Critical patent/GB228233A/en
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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/1315—Non-ceramic binders
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

228,233. Vershofen, W. Oct. 24, 1923. Clay, porcelain, and like plastic compositions.- In producing ceramic ware by partially converting the clay into a cement by the addition of carbonate of lime, fluoride compounds soluble in water are usually added to start the chemical action. According to the present invention, silica is first added to clays in which the reaction with the fluoride is weak. The moulded articles are first air dried and then baked at a low heat, for example under 1000‹ C. Suitable proportions may be 30 per cent alumina, 5 per cent sodium fluoride, 60 per cent quartz, and about 5 per cent carbonate of lime. Higher percentages of fluoride produce a non-separable glazed surface; by adding calcium salts to the charge, the complete vitrification of the baked product by the fluoride is prevented and the clay bakes white and free from iron spots.
GB2662023A 1923-10-24 1923-10-24 Improved manufacture of ceramic products Expired GB228233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2662023A GB228233A (en) 1923-10-24 1923-10-24 Improved manufacture of ceramic products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2662023A GB228233A (en) 1923-10-24 1923-10-24 Improved manufacture of ceramic products

Publications (1)

Publication Number Publication Date
GB228233A true GB228233A (en) 1925-01-26

Family

ID=10246485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2662023A Expired GB228233A (en) 1923-10-24 1923-10-24 Improved manufacture of ceramic products

Country Status (1)

Country Link
GB (1) GB228233A (en)

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