Artificial Stone (Patent No: 163639)

Inventor: Cavanagh, Willard F.

Location: Edmonton

Comments: N/A

Description: Pierre artificielle.

Willard F. Cavanagh, Edmonton, Alberta, Canada, 6th July, 1915; 6 years. Filed 10th March, 1915. Receipt No. 248,932.

Claim.—1. A composition of matter comprising silicate soda, sodium chloride, alum, sulphuric acid, plumbic oxide, magnesium chloride, magnesium carbonate, Keen's cement and water with an "aggregate" of sand or gravel.

2. A composition of matter producing an artificial stone, said composition comprising the following ingredients in substantially the proportions by weight given: sodium chloride two pans, alum three parts, silicate of soda four parts, sulphuric acid one part, plumbic oxide two parts, magnesium chloride one hundred and sixty-nine parts, magnesium carbonate one hundred parts, Keen's cement one hundred and twenty-six parts, an "aggregate" of sand, broken rock or gravel three hundred and seventy-four parts, and water two hundred and twenty-eight parts, mixed in accordance with the foregoing specification.

3. A composition of matter producing an artificial stone, said composition comprising the following ingredients mixed in substantially the proportions by weight as follows: sodium chloride two parts, alum three parts, and silicate of soda four parts, the same dissolved and well mixed in water and thereafter one part of sulphuric acid and two parts of plumbic oxide ore added and well stirred in for three or four minutes, simultaneously one hundred and sixty-nine parts of magnesium chloride are dissolved in water to an acid strength of twenty degrees, Baume, magnesium carbonate one hundred parts, Keen's cement one hundred and twenty-six parts, and an "aggregate" of three hundred and seventy-four parts of sand and broken rock or gravel are mixed together dry, and to this dry mixture the solution of magnesium chloride is added, the first solution of sodium chloride, is then added and the whole is well stirred for five or six minutes and is poured into moulds after it has cooled to a temperature of about sixty-five degrees Fahrenheit.