US1604395A - Production and composition of porcelain - Google Patents

Production and composition of porcelain Download PDF

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Publication number
US1604395A
US1604395A US722713A US72271324A US1604395A US 1604395 A US1604395 A US 1604395A US 722713 A US722713 A US 722713A US 72271324 A US72271324 A US 72271324A US 1604395 A US1604395 A US 1604395A
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Prior art keywords
porcelain
composition
production
feldspar
silica
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US722713A
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Fred M Ekert
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches

Definitions

  • the object of the present invention is a process of producinga diflicultlyfusible porcelain.
  • porcelain masses known consisting of kaolin, clay, silica and feldspar as a Flux, but these masses have a relatively low melting point on account of the large proportions of alkalis contained in the feldspar. w
  • the resent process refers. to a metho of producing a new porcelain mass possessing increasing resistance to heat. replace the feldspar. of the known mixtures by a flux consisting essentially of alum num fluosilicate. This porcelain being iformod to thedesired shape, dried and burned.
  • the chemical formulae are as follows:
  • the known mixture consists of clay 1 (kaolin) :Al O QSiO QH O and silica-:SiO and feldsparzK OAl O tiiiiiO Na 0Al 0 6SiO Accordin to my invention the feldspar is replaced by a flux consisting essentially of aluminum fiuosilicatezAl FfiSiF To accomplish this end, I
  • Tclaiin The process of producing a difficultly fusible porcelain comprising mixing clay silica, and a flux consisting essentially of aluminum fluosilicate and forming to desired shape, drying and burning.

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  • 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)

Description

Get. 26,
atente 1926.
FRED M. EKERE, OF DRESDEN, GERMANY.
JPRODUCTION AND COMPOSITIGN F POfiOELAlEN.
No Drawing. Application flied June 27, 1924, Serial NOJ'YQQJFIS, and in Germany June as, 1923.
The object of the present invention is a process of producinga diflicultlyfusible porcelain. There are porcelain masses known consisting of kaolin, clay, silica and feldspar as a Flux, but these masses have a relatively low melting point on account of the large proportions of alkalis contained in the feldspar. w The resent process, however, refers. to a metho of producing a new porcelain mass possessing increasing resistance to heat. replace the feldspar. of the known mixtures by a flux consisting essentially of alum num fluosilicate. This porcelain being iformod to thedesired shape, dried and burned. The chemical formulae are as follows:
' The known mixture consists of clay 1 (kaolin) :Al O QSiO QH O and silica-:SiO and feldsparzK OAl O tiiiiiO Na 0Al 0 6SiO Accordin to my invention the feldspar is replaced by a flux consisting essentially of aluminum fiuosilicatezAl FfiSiF To accomplish this end, I
These porcelain substances are mixed with Water and kneaded into a plastic paste as required in porcelain manufacture. Out of this paste the ware of any desired shape is formed, allowed to dry and then baked in an ordinary porcelain furnace at a temperature of approximately 23702540 Fahrenheit. During the baking process the fillOIa M ine, hydrogen (and the hydrocarbon parts of the carbon) evaporate so as to leave only alumina-silica. On account of the absence of alkalis this material possesses a very high melting point exceeding 330d F. and is therefore far superior to all feldspar: porcelains in resistance to heat and, as in- 40 sulator to electric. current. i
Tclaiin: The process of producing a difficultly fusible porcelain comprising mixing clay silica, and a flux consisting essentially of aluminum fluosilicate and forming to desired shape, drying and burning.
In testimony whereof T have afiined my signature. 7 M EKERT.
US722713A 1923-06-28 1924-06-27 Production and composition of porcelain Expired - Lifetime US1604395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1604395X 1923-06-28

Publications (1)

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US1604395A true US1604395A (en) 1926-10-26

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ID=7736967

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US722713A Expired - Lifetime US1604395A (en) 1923-06-28 1924-06-27 Production and composition of porcelain

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285334A (en) * 1978-02-13 1981-08-25 State Industries, Inc. Solar heating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285334A (en) * 1978-02-13 1981-08-25 State Industries, Inc. Solar heating system

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