Elastic Material (suitable for Moulding) from Animal Textures or Leather containing Gelatine.
Year: 1885

page_text: Elastic Material (suitable for Moulding) from Animal Textures
or Leather containing Gelatine.
- I LORENTZ ALBERT GROTH K.G.V. Civil Engineer and Proprietor of the
Patent, Industrial, and Financial Agency 30 Finsbury Pavement London E.O.
do hereby declare the nature of said invention for "A NEW OR IMPROVED METHOD
OF PREPARING ELASTIC LEATHER, AND ELASTIC MATERIAL (SUITABLE FOR MOULDING)
FROM ANIMAL TEXTURES OR LEATHER CONTAINING GELATINE a communication to
me from abroad by Friedrich Wilhelm Grüne, Gentleman of Berlin, in the German
Empire, to be as follows:-
"
The object of this invention is to produce an elastic material or mass from such
animal textures or leather which contain gelatine, in order to facilitate its use for
different purposes, such as pressing, casting &c.
The animal textures, hides, leather, parchment, tawed leather &c containing
gelatine are soaked in a mixture of glycerine or sugar in water and then dried
whereby the water in the mixture evaporates, the glycerine or sugar remaining in
the pores of the material. The textures or leather are then exposed to steam at a
low pressure, or direct heat thereby transforming the gelatine into glue which then
encloses and combines the untransformed fibres.
The glycerine and sugar makes the textures or leather as soft and elastic as may
be required by using a more or less diluted mixture of glycerine or sugar, or by
exposing it for a longer or shorter time to the steam or heat.
The material thus produced is a thick and elastic mass which at different degrees
of temperature and with more or less pressure may be moulded in moulds, or
several small pieces pressed together to form large ones &c.
When the material is required to be coloured, any colour required is mixed and
disolved in the before mentioned mixture of glycerine or sugar and water which
thus colours the material.
•

page_text: A New or Improved Method of Preparing Elastic Leather and
Elastic Material (suitable for Moulding) from Animal Textures
or Leather containing Gelatine.
I LORENTZ ALBERT GROTH K.G.V. Civil Engineer and Proprietor of the
Patent Industrial and Financial Agency 30 Finsbury Pavement London E.C.
do hereby declare the nature of said invention for "A NEW OR IMPROVED METHOD
OF PREPARING ELASTIC LEATHER, AND ELASTIC MATERIAL (SUITABLE FOR MOULDING)
FROM ANIMAL TEXTURES, OR LEATHER CONTAINING GELATINE a communication to
me from abroad by Friedrich Wilhelm Grüne, Gentleman of Berlin in the German
Empire, 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 this invention is to produce an elastic material or mass from such
animal textures or leather which contain gelatine in order to facilitate its use for
different purposes pressing casting or moulding."
The animal textures-hides, leather, parchment tawed leather &c containing
gelatine are steeped in a mixture of glycerine or sugar in water, and then dried,
thus the water evaporates leaving the glycerine or sugar in the pores of the
material. The textures or leather are then exposed to steam at a low pressure, or
direct heat thereby transforming the gelatine into glue which then encloses and
combines the untransformed fibres.
The glycerine or sugar makes the textures or leather as soft and elastic as may
be required by using a more or less diluted mixture of glycerine or sugar, or by a
shorter or longer exposure to the steam or heat.
The material thus produced is a thick and elastic mass, which at different
temperatures, and more or less pressure may be moulded in moulds or several small
pieces pressed together to form large ones, &c.
When the material is to be coloured, the required colour is mixed and disolved
in the before-mentioned solution of glycerine or sugar thus colouring the material.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is
1st The method of preparing elastic leather, and elastic material (suitable for
moulding) consisting of steeping the animal textures, leather or skin in a solution
of glycerine or sugar and water, then drying to evaporate the water, and then
subjecting them to steam at a low pressure, or direct heat.
2nd The production of plain or coloured articles in relief stamped or moulded as
herein before described from the said plastic elastic mass.