IMPROVEMENTS IN THE PREPARATION OF MINERAL OILS FOR WOOLLEN MANUFACTURING AND OTHER PURPOSES
Year: 1884

page_text: PROVISIONAL SPECIFICATION.
I JOSHUA SWALLOW of Cedar Avenue, Carrcroft, Armley in the County of York,
Agent do hereby declare the nature of said invention for "IMPROVEMENTS IN THE
PREPARATION OF MINERAL OILS FOR WOOLLEN MANUFACTURING AND OTHER
PURPOSES" to be as follows:-
The object of my invention is to extract those substances and destroy those
properties in mineral oil which are injurious when such oil is used for "rag-pulling"
scribbling and other operations in woollen manufacture, moreover the oil is rendered
less inflammable avoiding thereby the danger of firing or explosion when heated
by friction or otherwise, and also a portion of the oil is rendered more useful for
lubricating purposes.
In order to effect the above objects, I treat a charge (say of 1 ton of oil) with
crystal borax (11 lbs) and common soda (17 lbs) in the following manner.
The borax and soda are put into water which has been already heated to boiling
point, and in order to dissolve the borax and soda, the whole is boiled for about
5 to 7 minutes longer. The 1 ton charge of oil is now added to the solution and
well stirred and afterwards the whole is boiled together a few minutes; the time
depending however to a considerable extent on the quality of the mineral oil. The
mixture is next allowed to cool, and the water drawn off from the bottom, or the
oil is ladled out into a separate vessel. The oil has now lost its non-scouring and
very inflammable properties but in order to clear it from injurious substances
which it still contains, it is poured into a vessel containing a solution or mixture of
water and fullers earth, and well stirred. After that it is allowed to remain still,
when the water and fullers earth and the impurities settle to the bottom, and the
oil may be ladled out or run off from the top. The oil is then ready for use.

page_text: COMPLETE SPECIFICATION.
I, JOSHUA SWALLOW of Cedar Avenue Carrcroft, Armley in the County of York,
Agent, do hereby declare the nature of said invention for "IMPROVEMENTS IN THE
PREPARATION OF MINERAL OILS FOR WOOLLEN MANUFACTURING AND OTHER
و"
PURPOSES and in what manner the same is to be performed to be particularly
described and ascertained in and by the following statement :-
The object of my improvements is to extract those substances and destroy those
properties in mineral oil which are injurious when such oil is used for "rag-pulling"
scribbling and other operations in woollen manufacture, moreover the oil is rendered
Jess inflammable avoiding thereby the danger of firing or explosion when heated
by friction or otherwise, and also a portion of the oil is rendered more useful for
lubricating purposes.
In order to effect the above objects I treat a charge (say of 1 ton of oil with
crystal borax (11 lbs) and common soda (17 lbs) in the following manner.
The borax and soda are put into water which has been already heated to boiling
point, and in order to dissolve the borax and soda, the whole is boiled for about
5 to 7 minutes longer. The 1 ton charge of oil is now added to the solution and
well stirred and afterwards the whole is boiled together a few minutes; the time
depending however to a considerable extent on the quality of the mineral oil.
The mixture is next allowed to cool, and the water drawn off from the bottom, or
the oil is ladled out into a separate vessel. The oil has now lost its non-scouring
and very inflammable properties, but in order to clear it from injurious substances
which it still contains it is poured into a vessel containing a solution or mixture of
water and fullers earth, and well stirred. After that it is allowed to remain still,
when the water and fullers earth and the impurities settle to the bottom, and the
oil may be ladled out or run off from the top. The oil is then ready for use.
Having now particularly described the nature of my said invention and in
what manner the same is to be performed I declare that what I claim is
The preparation of mineral oils whereby aro extracted and destroyed substances
that would be injurious when such oils are used for "rag-pulling scribbling and
other operations in woollen manufacturo also by such preparation the oils are
rendered less inflammable substantially as herein set forth.