US1015426A - Process of producing fire and water proof articles. - Google Patents

Description

UNITED STATES PATENT OFFICE.

GEORGE S. IDONAHEY, OE PITTSBURG, KANSAS.

PROCESS OF PRGDUC ING FIRE AND WATER PROOF ARTICLES.

orenzo.

No Drawing.

. Producing Fire and Water Proof Articles;

and I do declare the following to be a full, clear, and exact description'of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to a rocess for producing a strong, durable, lasting and inexpensive fire and Water proof article such as railway ties, fence posts, telegraph poles, building blocks and the like.

The process consists in thoroughly com.- iningling by agitation or otherwise by weight /100 off-coal clay; 60/100 of coal shale; 10/100 of sand and 5/100 of crude Kansas petroleum; then molding the composition so formed into the desired shape, and finally baking the article until a glazed or japanned surface is obtained.

I wish it to be understood that by using crude Kansas petroleum as one of the ingredients of my composition the efl'ect of baking after molding is to drive off the volatile constituents of this andleave behind a binder consisting principally of the more refractory residua, which in Kansas petroleum consist largely of hard resistant asphaltic materials and coke that form a coat ing highly resistant to weather influences,

Specification 0! Letters Patent.

Patented Jan. 23, 1912.

Application filed September 8, 1908. Serial No. 452,032.

as well as a like coating. used in the efficient. It

quite ornamental black japan The shale, particularly when proportions specified, is very seems to have a considerable aflinity on the one hand for the crude'p'etrd' lelnnand on the other it mixes well with the clay.- The sand in the proportion indicated,

is just about enough to keep an object from cracking during burning. The burning must be continued until the clays and sand are thoroughly burned together but must not be continued long enough to efiect the oxidation or evaporation of the petroleum residua and coke.

What I claim is:

The process of producing a fire and water proof article as described consisting in mixing together thoroughly in proportion 25 pounds of coal clay, 60 pounds of coal shale, 10 pounds of sand and 5 pounds of crude petroleum, then molding this mixture into the article desired, and'finally baking the same to drive off the volatile constituents, and to burn together the clays and sand, the burning being stopped before the petroleum residua and coke are all burned or evaporated and at a point where a black or japan like coating will be left on the article.

In testimony whereof I have hereunto set my hand in presence of two'subscribing witnesses.

enonen s. DONAHEY. Witnesses:

T. H. SHANKs,

Gr. A. HENNEY.