Improvements in the Treatment of Cotton Seed to Obtain Oil, Feeding Cake, and Resin like Matter.
Year: 1887

page_text: Date of Application, 24th Jan., 1887
Complete Left, 24th Nov., 1887
Complete Accepted, 27th Dec., 1887
Improvements in the Treatment of Cotton Seed to Obtain Oil,
Feeding Cake, and Resin like Matter.
We RICHARD HUNT of 19 Old Hall Street Liverpool in the County of Lancaster
Gentleman and EDGAR SIDDONS WILSON of the same place Chemist, do hereby declare
the nature of this invention to be as follows:-
We have found that the kernels of cotton seeds contain considerable numbers of
globules or corpuscules containing resin like matter in a more or less liquid condition :
we have further discovered that in consequence of the admixture of the said globules
or corpuscules with the kernels during pressing the resulting oil and cake and
particularly the former are of a dark and undesirable colour.
Now the object of our invention is to separate the said globules or corpuscules from
the kernels and obtain the products above named of superior quality.
The invention consists in heating the seeds at a comparatively low temperature to
drive off volatile matter and solidify the globules or corpuscules, in disintegrating the
dried seeds and in separating the solidified corpuscules therefrom by mechanical
appliances such as sieves, or centrifugal or gravity separators, or currents of air, or
other means.
The meal is now ready for treatment in any usual way to yield oil and feeding
cake. The resin like matter is utilized as may be found desirable.
Datod h: 531)

page_text: Feeding Cake, and Resin like Matter.
We RICHARD HUNT of 19 Old Hall Street Liverpool in the county of Lancaster
Gentleman and EDGAR SIDDONS WILSON of the same place Chemist do hereby
declare the nature of this invention and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:
We have found that the kernels of cotton sceds contain considerable numbers of
We
globules or corpuscules of resin like matter in a more or less liquid condition.
have further discovered that in consequence of the admixture of the said globules or
corpuscules with the kernels during pressing the resulting oil and cake and particularly
the former are of a dark and undesirable colour.
Now the object of our invention is to separate tho said globules or corpuscules
from the kernels and to obtain the products above named of superior quality.
The invention consists in heating the seeds at a comparatively low temperature to
drive off volatile matter and solidify the globules or corpuscules, in disintegrating
the dryed seeds and in separating the solidified corpuscules therefrom by mechanical
appliances such as sieves or centrifugal or gravity separators or currents of air or
other means.
The heating of the seed is effected in any suitable apparatus and we find that the
volatile matter when efficient apparatus is used is effectually driven off by exposing
the said seed to heated air at a temperature between 200 and 300 F for from 15
to 25 minutes. Care must be taken not to raise the temperature so high nor to
submit the seed to the action of heat a sufficient length of time to char or injure the
kernels. The seeds are decorticated in any usual way and are reduced to meal or
flour between stones or rollers or in a disintegrator or by any suitable apparatus.
The fineness of the meal or flour is regulated by the size of the corpuscules which
vary in different classes of seed care being taken not to grind or reduce so low that
the corpuscules are broken. A large quantity of fine meal or flour may be easily
separated from the corpuscules by sieving; the tailings which contain the said
corpuscules may then be graded after which they may be dispersed in a chamber
through which a current of air is caused to pass so as to carry off the meal and flour.
As the globules or corpuscules are of greater specific gravity than the meal apparatus
capable of separating bodies of different specific gravities from each other may
advantageously be used.
The meal or flour free from the globules or corpuscules is pressed and the oil
extracted in the usual manner. The oil will be found to be clear pure and sweet and
the cake will be of superior quality and colour to that heretoforo made. The resin
like globules or corpuscules are utilized in any convenient manner and may be
dissolved and used as a dye.

page_text: Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed, we declare that what
we claim is :-
First. Heating cotton seed and subsequently separating the globules or corpuscules
substantially as herein described.
Second. Obtaining pure oil feeding cake and resin like matter as herein set
forth.
Third. Subjecting cotton seed to the action of heat decorticating the heated seeds
reducing the decorticated seeds into meal or flour and separating from the meal or
flour resin like matter substantially as set forth.
Dated November 23rd 1887.
JAMES JOHNSON,
Patent Office, 4, Clayton Square, Liverpool,
Agent.