The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 01, 2003

Filed:

Sep. 25, 2001
Applicant:
Inventors:

Frank T. Gay, Twinsburg, OH (US);

Daniel Constantiner, Beachwood, OH (US);

Jeffrey T. Champa, Euclid, OH (US);

Kevin Hutchings, Twinsburg, OH (US);

Daniel G. Millette, Aurora, OH (US);

Assignee:

MBT HoldingAG, Zurich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 3/810 ; C09K 1/740 ; E21B 3/300 ; E21C 4/132 ;
U.S. Cl.
CPC ...
C04B 3/810 ; C09K 1/740 ; E21B 3/300 ; E21C 4/132 ;
Abstract

A method is provided for incorporating a foaming agent into mixtures of particulates and then forming a foam within the mixture to increase the flowability of the particulates. A method is also provided for excavating solid particulates, incorporating a foaming agent into mixtures of solid particulates, and then forming a foam within the mixture to increase the flowability of the particulates. The particulates can be transported through pipelines or boreholes. Examples of particulates include, but are not limited to, mine tailings, ores, sand, coal, soils, clays, silts, aggregates, and mixtures thereof.


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