US1275354A - Refractory material. - Google Patents

Refractory material. Download PDF

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Publication number
US1275354A
US1275354A US20125017A US20125017A US1275354A US 1275354 A US1275354 A US 1275354A US 20125017 A US20125017 A US 20125017A US 20125017 A US20125017 A US 20125017A US 1275354 A US1275354 A US 1275354A
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US
United States
Prior art keywords
refractory material
heat
coal
clay
galena
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 - Lifetime
Application number
US20125017A
Inventor
James M Allen
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.)
FELLHAUER-ALLEN MANUFACTURING Co
FELLHAUER ALLEN Manufacturing Co
Original Assignee
FELLHAUER ALLEN Manufacturing Co
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Publication date
Application filed by FELLHAUER ALLEN Manufacturing Co filed Critical FELLHAUER ALLEN Manufacturing Co
Priority to US20125017A priority Critical patent/US1275354A/en
Application granted granted Critical
Publication of US1275354A publication Critical patent/US1275354A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay

Definitions

  • the object of my invention is to produce a comparatively simlple and inexpensive refractory material w ich is particularly applicable for making crucibles, retorts, fire brick and tile, furnace linings and like articles and products which are necessarily subjected to comparative high degrees of heat.
  • My composition consists of a mixture of two or more varieties of fire clay, a carbonaceous material such as anthracite coal and a glazing material, such as galena or lead oxid.
  • ingredients in about the folowing proportions: pulverized fire clays 48%%, pulverized anthracite coal 48. ⁇ %, and pulverized galena, or lead oxid 3%.
  • SIIbJGCtGd After the articles have been properly formed and air-dried they are SIIbJGCtGd to heat from 1,400 to 2,500 degrees Fahrenheit and the resultant product is very hard, having a glazed or seml-glazed surface, and is refractory to a high degree.
  • the galena or lead oxid material ly assists in bonding the clay and coal together and provides the finished material with a comparatively smooth glazed or semi-glazedsurface.
  • Refractoiymaterial of my improved -constructionis particularly adapted for use in the formation of crucibles and retorts, and saidmaterial can be subjected to great heat without flaking or cracking.
  • I claim- 1 The herein described refractory material composed of twp or more varieties of signature, this thirtieth day of October, 1917. 7

Description

UNITED STATES PATENT OFFICE.
JAMES M. ALLEN, OF ST. LOUIS, MISSOURI, ASSIGNOR TO FELLHAUER-ALLEN MANUFAC- TURING COMPANY, OF ST. LOUIS, MISSOURLA. CORPORATION OF MISSOURI.
REFRACTORY MATERIAL.
1,275,354. No Drawing.
To all whom it may concern:
Be it known that I, Jams M. ALLEN, a
- citizen of th'e l'lfii'tefstateffd a resident mineral cementing and of St. Louis, State of Missouri, have invented a new and useful Refractory Material, of which, the following is a specificatio The object of my invention is to produce a comparatively simlple and inexpensive refractory material w ich is particularly applicable for making crucibles, retorts, fire brick and tile, furnace linings and like articles and products which are necessarily subjected to comparative high degrees of heat.
My composition consists of a mixture of two or more varieties of fire clay, a carbonaceous material such as anthracite coal and a glazing material, such as galena or lead oxid.
In preparing the composition to manufacture my improved refractory material, I
prefer to use the ingredients in about the folowing proportions: pulverized fire clays 48%%, pulverized anthracite coal 48.}%, and pulverized galena, or lead oxid 3%.
Satisfactory results may be obtained, how-- ever, when the ingredients are varied within the following limitsfrom. 40 to 58 per cent. fire clay, an from 40 to 58 per cent. anthracitedcoal, the remainder being galena, or lead on These ingredients are thoroughly mixed with each other and with a quantity of water sufiicient to form a comparatively stifi' paste, which can be readily worked with the hands or molded in suitable forms.
After the articles have been properly formed and air-dried they are SIIbJGCtGd to heat from 1,400 to 2,500 degrees Fahrenheit and the resultant product is very hard, having a glazed or seml-glazed surface, and is refractory to a high degree.
Specification of Letters Patent. Patented Aug. 13, 1918. Application filed November 10, 1917. Serial No. 201,250.
In my improved material I prefer to use two or more different varieties of'fire clay in order to form a perfect bond and readily workable material while being mixed. Further, by using two or more varieties of fire clay the finished product has a body which is of the same density throughout its walls or dimensions. The coal in the finished product provides the necessary expansive-element and it will be understood that when the product is first subjected to heat, certain volatile gases will be given off from the coal and the resulting ash is bonded to the surrounding clay so that when the material is later sub ected to heat it will readily expand and contract as a result of varying temperatures. 7
The galena or lead oxid materially assists in bonding the clay and coal together and provides the finished material with a comparatively smooth glazed or semi-glazedsurface. Refractoiymaterial of my improved -constructionis particularly adapted for use in the formation of crucibles and retorts, and saidmaterial can be subjected to great heat without flaking or cracking.
I claim- 1. The herein described refractory material composed of twp or more varieties of signature, this thirtieth day of October, 1917. 7
JAMES M. ALLEN.
US20125017A 1917-11-10 1917-11-10 Refractory material. Expired - Lifetime US1275354A (en)

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US20125017A US1275354A (en) 1917-11-10 1917-11-10 Refractory material.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189512A (en) * 1962-01-08 1965-06-15 Cording Glass Works Ceramic cements, laminates and methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189512A (en) * 1962-01-08 1965-06-15 Cording Glass Works Ceramic cements, laminates and methods

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