Improvements in Leather Compositions Applicable to Various Useful Purposes.
Year: 1887

page_text: PROVISIONAL SPECIFICATION.
Improvements in Leather Compositions Applicable to Various
Useful Purposes.
We EMIL TUTEUR of 72 Mark Lane in the City of London, Merchant and WILLIAM
JOSEPH GOULBORNE of 2 Croydon Street, Edgware Road, in the County of Middlesex,
Mechanical Engineer do hereby declare the nature of this invention to be as
follows:--
70
According to this invention waste leather is utilised all as hereinafter described for
compounding with other substances thus producing compositions which shall be
applicable for various useful purposes and objects. The waste leather for instance the
scrap leather cuttings from brown sole leather, buff leather, kid or other thin cuttings,
chamois and curriers' cuttings, having first been dried is ground up in a disintegrating
machine and thus producing a shreddy fibrous or flocky material. I then lay the
leather flock in one of the compositions presently to be enumerated and steep the
flock therein after which the pulp is pressed into moulds, or otherwise by roller or
other pressure formed into the article or material required.
For some purposes such as for making soles and heels, cricket balls, work boxes,
writing desks, wall and ceiling decoration material or wall "paper" (and doing away
with the use of plaster if desired), cornices, cornice pole ends, looking glass and picture
frames, various pieces or parts of furniture, door mats, tea and other trays and mats,
door furniture or fittings, book covers, waiters, knife handles, card cases and numerous
other similar objects 1 employ for compounding with the ground up leather marine
glue dissolved in mineral naphtha, isinglass or gelatine, ammonia and mastic or India
rubber dissolved in mineral naphtha, some or all of them according to the hardness
required and according to water resisting property desired, and mixed..
For other objects where water resisting property is of no importance I compound
the ground leather with gelatine dissolved in hot water.
For making floor cloth, wall and ceiling decorations ("wall paper" embossed or
not) and the like 1 may compound the ground leather with mastic dissolved in mineral
naphtha and with India rubber.

page_text: I may also compound the leather flock with gelatine solution and asphaltum for
electric insulating purposes.
As a binding material in the aforesaid leather flock compositions I may also use kid
cuttings boiled down to a suitable paste, either in naphtha or in water according as I
want to use it for flexible or for hard substances, in the former case adding more or
less India rubber waste before mixing with the leather flock, according to the flexibility
desired.
Loading material such as chalk to make up bulk, and colouring matter, may be
added to the aforesaid compounds as required.
The aforesaid compounds are made into the required objects or articles by pressing
or rolling and the articles thus made may be varnished or coated.
EMIL TUTEUR.
WILLIAM JOSEPH GOULBORNE.
By Jensen & Son,
77, Chancery Lane, London, W.C.,
Patent Agents.
COMPLETE SPECIFICATION.
.
.
Improvements in Leather Compositions Applicable to Various
Useful Purposes.
We, EMIL TUTEUR of 72 Mark Lane in the City of London Merchant and WILLIAM
JOSEPH GOULBORNE of 2 Croydon Street Edgware Road in the County of Middlesex
Mechanical Engineer 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:—
According to this invention waste leather is utilised all as hereinafter described for
compounding with other substances thus producing compositions which shall be
applicable for various useful purposes and objects. The waste leather, for instance
the scrap leather cuttings from brown sole leather buff leather kid or other thin
cuttings, chamois and curriers cuttings, having first been dried is ground up in a
disintegrating machine thus producing a shreddy, fibrous or flocky material which
may then be passed through sieves of different fineness for effecting separation of the
coarser and finer particles according to the purposes for which the material is to be
used. The meshes of the sieve may be from 12 to 20 per linear inch. We find
however also that fine leather flock suitable for our purpose can now be bought in the

page_text: market. We lay the leather flock in one of the compositions presently to be enumerated
and steep the flock, therein after which the pulp is pressed into moulds of gun metal
or other metal or other suitable material or otherwise by roller or other pressure
formed into the article or material required. The leather parings as they come from
the boot finishers machines may also be used and are in some cases as good as or better
than the leather flock.
For some purposes such as for making soles and heels cricket balls work boxes
writing desks wall decoration material (taking the place of wood panelling) and ceiling
decoration material (taking the place of wood panelling or Plaster of Paris) or wall
<1 paper," cornices, cornice pole ends, clock cases, lamps, tobacco and other pipes
telephone boxes, instrument cases snuff and tobacco hoxes, looking glass and picture
frames various pieces or parts of furniture, door mats, tea and other trays and mats,
door furniture or fittings, book covers, waiters, knife handles, card cases and numerous
other objects that will suggest themselves more or less readily we employ for com-
pounding with the ground up leather, marine glue dissolved in mineral naphtha or
creosote or india rubber dissolved in mineral naphtha.
A suitable mode of carrying this part of our invention into effect is as follows:
We take one pound of Jeffery's Marine glue and dissolve same by heat with half
pint of mineral naphtha or creosote adding about two pounds of leather flock. This
will give a flexible substance suitable for the soles of boots wall paper and other
decorations. By using more leather flock we may reduce the flexibility. But if it be
required to produce a harder and inflexible substance, like ebony, we vulcanize the
compound by adding one ounce of sulphur and baking for about 30 minutes or more
and then allowing the product to cool. The said substances or products may then be
pressed or sent through rolls. The finished substances or products whether flexible
or not are oil and waterproof.
For other objects where water resisting property is of less importance we compound
one pound of the ground leather with about half pound of Tuteur's so called belting
glue dissolved in turpentine. This belting glue is well known in the trade and can be
bought at Mr. Tuteurs 72 Mark Lane City of London. Or we take one pound of
leather flock (preferably made from kid cuttings) and one pound of pig skin cuttings
and stew same in water for about 8 hours we then add 4 ounces of the aforesaid
Tuteur's Belting glue dissolved in turpentine and mix the whole with 3 pounds of
leather flock. The compound is rolled or pressed into moulds of the desired forms.
The material thus produced is not quite waterproof.
In the case of the compositions named we may apply mother of pearl or other inlaid
work in any suitable pattern or design after rolling or moulding and after being again
rolled or moulded the articles are dried and may then be turned planed or otherwise
tooled and pumice stoned or sand papered like inlaid furniture and then French
polished.
"embossed or
For making floor cloth wall and ceiling decorations ("wall paper
not) and the like we may compound the ground leather with india rubber and other
materials. We take as an example one pound of kid cuttings, half pound of India
rubber waste and one quart of naphtha, and steam same in a steam jacketted pan for
8 hours or more. We then mix with two pounds of leather flock and add 2 ounces of
the aforesaid Tuteur's Belting Glue and roll or press the product into moulds, any
desired pattern or design being thereby imparted to the surface of the sheet or
article.
For wallpaper and the like flexible materials I take one pound of caoutchouc or
one pound of India rubber waste, dissolve same by 1½ pints of oil of turpentine or
mineral naphtha and mix with one pound of a compound of leather flock and kid
cuttings treated as described. We then spread the composition onto a canvas backing
and pass the same through one or more pairs of rollers the upper or lower roller or
both rollers being embossed with the required pattern. Or instead of the rubber
waste we may use half pound of kourie gum or copal (commonly called copal gum)
and 1 pound of sandaric, dissolving them in pint of oil of turpentine and pint of
bisulphide of carbon.

page_text: We may also compound the leather flock with the aforesaid Tuteur's belting glue
and asphaltum for electric insulating purposes.
As a binding material in all the aforesaid leather flock compositions except the
first we may instead of a certain part of the leather flock use kid cuttings boiled down
to a suitable paste either in naptha or in water according as we want to use it for
flexible or for hard substances, in the former case adding more or less India rubber
waste before mixing with the leather flock, according to the flexibility desired.
Loading material such as chalk or cork shavings or cork dust or cotton waste to
make up bulk and for varying the qualities of the leather flock compound-may be
added to the aforesaid compounds as required. We may thus for instance produce a
hard and fireproof substance by mixing 4 pounds of leather flock and pound of the
aforesaid Tuteur's Belting Glue with one pound of asbestos cement half pound of
asbestos powder and quarter pound of Plaster of Paris or Parian cement.
Colouring matter may also in all or any of the above cases be added say about
4 ounces or more of colour per pound of composition.
The aforesaid compounds are made into the required objects or articles by pressing
or rolling as stated and the articles thus made may in some cases be varnished or
coated.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-.
The manufacture and application of the various compositions of leather waste and
other substances substantially in the manner herein described.
EMIL TUTEUR.
WILLIAM JOSEPH GOULBORNE.
By Jensen & Son,
77, Chancery Lane, London, W.C.,
Patent Agents.