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A new solution for an old problem…. Does your mine have this problem? If it does, you need to get the Ker <>< Thob implemented into your roof control plan!. Ker <>< Thobs can be put directly over beltlines. Ker <>< Thob Application & Installation Process.

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A new solution for an old problem

A new solution

for an old problem…


Does your mine have

this problem? If it

does, you need to get

the Ker<><Thob

implemented into

your roof control

plan!


Ker<><Thobs can be put directly over beltlines.


Ker<><Thob

Application

&

Installation Process


Any steel pipe, stronger than the roof bolt can be used with the Ker<><Thob, as long as it’s inside diameter is between (2.125 to 2.6 inches for our 2 1/8 inch unit) or (2.25 to 3 inches for our 2 1/4 inch unit).


One miner can carry a temporary roof jack, a shoulder bag containing a few Ker<><Thobs, two channel locks, and a selection of pipe cut to different lengths. This is all that is needed to allow one man to repair several loosened roof bolt plates.


Make the area containing a few Ker

safe before

proceeding to

install the

Ker<><Thob.



Raise the loosened unsupported roof.

roof plate up to

the roof and

measure the

distance from the

plate to the flange

of the bolt head.


Subtract two inches from the measurement to get the correct length of pipe needed to be used with the Ker<><Thob. (5”– 2” = 3”) pipe length needed


Select the length of pipe needed to be used with the Ker

precut pipe

from the

shoulder bag.


Set the split halves of the length of pipe needed to be used with the Ker

Ker<><Thob onto the flange of the bolt head.


Make sure that the notched ends of the split halves are resting on the flange of the bolt head!


Slide the spacer resting on the flange of the bolt head!

pipe over the

bolt head and

the split halves.





Two Channellock Pliers (one 420 and one 460), and a tape measure are the only tools needed for the installation of a Ker<><Thob!


The Ker measure are the only tools needed for the installation of a Ker<><Thob was tested by MSHA on 10/3/96 and 9/3/97. Both times it was subjected up to 60,800 pounds of pressure with no failure.


Phones: 618-599-7447 or 618-375-7503 measure are the only tools needed for the installation of a Ker

Fax: 618-378-2002

Mailing Address: Ker<><Thob Inc.

P.O. Box 317

Norris City, IL 62869


Ker measure are the only tools needed for the installation of a Ker<><Thob’s Users List:

CONSOLIDATION COAL CO. (REND LAKE, 2186 NORTH KEYSTONE LANE / NASON, IL. 62886)

DAKOTA MINE (Rt 85 / BOBWHITE, WV. 25028)

EASTERN ASSOCIATED COAL CORP. (HARRIS MINE ,ROUTE 85 / BALD KNOB, WV. 25010-0085)

PINE RIDGE COAL COMPANY (PO BOX 104, STATE RT. 5 / PRENTER, WV. 25181-0104)

TRIAD MINING (RT 1-HC70, LAUREL LAKE ROAD / LENORE, WV 25676)

TRIUNE INC. (2328 I-70 FRONTAGE ROAD / GRAND JUNCTION, CO. 81505)

UNITED CENTRAL SUPPLY (1800 SUPPLY ROAD / CARTERVILLE, IL. 62918)

WABASH MINE HOLDING CO. (7534 N. 900 BLVD. / KEENSBURG, IL. 62852-0144)

ARCH IL, CONAN MINE (PICKNEYVILLE, IL)

BANKS MILLER SUPPLY CO. (14731 HWY 40 W. / TOMAHAWK, KY)

BLACK BEAUTY UNDERGROUND, INC. (AIR QUALITY #1, P.O. BOX 176 / WHEATLAND, IN)


Ker measure are the only tools needed for the installation of a Ker<><Thob’s Users List Continued:

PEN COAL CORP. (ROUTE 1, McCOMAS ROAD / DUNLOW, WV 25511)

MARFORK COAL CO. (ROUTE 3, MARFORK ROAD / PETTUS, WV 25209)

NATIONAL MINE SUPPLY (451 RAGLAND ROAD / BECKLEY, WV 25801)

PHILLIPI DEVELOPMET CO. (RT. 3, BOX 146 / PHILLIPI, WV 26416)

TALL TIMBER COAL CO. (P.O. BOX 722 / MATEWAN, WV 25678)

TURRIS COAL CO. (P.O. BOX 21 / ELKHART, IL 62634)

WHITE COUNTY COAL CORP. (P.O. BOX 457 / CARMI, IL 62821)

BILL MOORE ASSOCIATES (6246 CAROLYN DR. / MENTOR, OH 44060)

SOLAR SOURCES, MONROE CITY MINE (P.O. BOX 325 / MONROE CITY, IN 47577)

ELK RUN COAL CO., WHITE KNIGHT MINE (P.O. BOX 497 / SYLVESTER, WV 25193)

BOONES RESOURCES, INC (P.O. BOX 1056 / PELHAM, AL 35124)

FREEMAN UNITED (P.O. BOX 347, IL RT. 4 / VIRDEN, IL 62960)

THE AMERICAN COAL CO. (9085 HIGHWAY 34 NORTH / GALATIA, IL 62935)


Thank you for your measure are the only tools needed for the installation of a Ker

interest in

Ker<><Thobs!


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