US131690A - Improvement in combining bitumen and clay - Google Patents

Improvement in combining bitumen and clay Download PDF

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Publication number
US131690A
US131690A US131690DA US131690A US 131690 A US131690 A US 131690A US 131690D A US131690D A US 131690DA US 131690 A US131690 A US 131690A
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bitumen
clay
improvement
combining
combining bitumen
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00Compositions of bituminous materials, e.g. asphalt, tar, pitch

Description

UNITED STATES PRYOR LEA, OF GOLIAD, TEXAS.

IMPROVEMENT IN COMBlNlNG B ITUMEN AND CLAY.

Specification forming part of Letters Patent No. 131,690, dated September 24, 1872.

To all whom it may concern:

Be it known that I, PRYOR LEA, of Goliad, in the county of Goliad and State of Texas,

have invented a new and useful Mode of Procedure for Bituminating Clay; and I do hereby declare that the following is a full, clear, and exact description thereof.

The first step is to prepare a very fluid composition, consisting of bitumen and water, as a medium or receptacle of the firm material. The proportion of bitumen to the firm material, hereinafter named, depends on the kind of bitumen used and the; object for which the compound is desired, while the proportions of bitumen and water regulate the percentage of bitumen to be used in connection with the firm material, the former not exceeding ten per cent. of the proposed amount of finished composition, and the latter being sufficient to approximate saturation of the fluid. The bitumen and the water are thoroughly mixed by stirring immediately preceding the introduction of the firm material, to secure diffusion of the bitumen with uniformity throughout the composition. The second step is to prepare the firm material. This must be clay with its incidents as found in natural deposit, and it must be dried and pulverized. Another step is to embed the pulverized material in the fluid composition above described until a homogeneons mixture is obtained and every particle 'of the powder isthoroughly immersed. An-

other step is to exclude the watery component and to compact the remainder, which twofold object is attained partly by evaporation and partly by the application of considerable pressure, these operations being alternate and progressive until the permanent ingredients, as a mass, shall have become dense, as desired.

The mechanical procedure having been thus completed, subsequent change in the product sustains the mechanical combination and matures the mass, partly from affinity of the per- Witnesses: t

A. M. WIGGINTON, Six, WM. KOEHLER.

PATENT OFFICE.

US131690D Improvement in combining bitumen and clay Expired - Lifetime US131690A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290123A (en) * 1991-04-24 1994-03-01 Barnes James L Method for processing and applying pavement material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290123A (en) * 1991-04-24 1994-03-01 Barnes James L Method for processing and applying pavement material

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