Improvements in the Means or Method of Stamping, Embossing, or "Crimping" Leather or other Materials.
Year: 1891

page_text: Date of Application, 20th Aug., 1891
Complete Specification Left, 20th May, 1892-Accepted, 25th June, 1892
PROVISIONAL SPECIFICATION.
Improvements in the Means or Method of Stamping, Embossing, or
"Crimping" Leather or other Materials.
I, SAMUEL CHAMBERLAIN of Eagle Hotel Yard, North Street, Leeds, in the
County of York, Boot and Shoe Manufacturer, do hereby declare the nature of
this invention, to be as follows:-
The object of my invention is to provide means whereby the stamping or
embossing leather or other materials may be more perfectly accomplished than
hitherto, at the same time to give a better and clearer design thereon or therein
without the danger of cutting through or otherwise damaging such leather or other
materials.
Hitherto such stamping, embossing or "crimping" has been performed by means
of two plates forming he and she dies; and on the leather being placed between
them, such dies are brought together, and by means of pressure the required design
is impressed thereon. It will be readily understood that under this method of
stamping between two plates or dies, the material is frequently cut through or
otherwise damaged, consequently a great waste of material is the result.
Now in my improvements I employ one plate or die, having any required design
or pattern thereon, such design may be either cut out, or a raised pattern may be
employed on the surface of the plate.
The pattern may be impressed or raised on the surface of the material by
placing the die thereon, and submitting it to a hydraulic or other suitable
pressure.
Dated this 19th day of August 1801
J. W. HARDING,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in the Means or Method of Stamping, Embossing, or
"Crimping" Leather or other Materials]
I, SAMUEL CHAMBERLAIN, late of Eagle Hotel Yard, North Street, but now
of Providence Buildings, Cross Stamford Street, both in Leeds, in the County of
York, Boot and Shoe Manufacturer, 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:-
The object of my invention is to provide means whereby the stamping or
embossing of leather or other material may be more efficiently performed than
hitherto, at the same time giving a better and clearer design thereon or therein
without the danger of cutting through or otherwise damaging such leather or other
materials.
Hitherto such stamping, embossing, or "crimping" has been performed by the
employment of two plates forming he and she dies; and on the leather being placed
between them, such dies are brought together, and by means of pressure the
required design is impressed thereon. It will be readily understood that under
this method of stamping between two plates or dies, the material is frequently cut
through or otherwise damaged, consequently a great waste of material is the
result.
According to my invention, I employ one plate or die, having any required
design or pattern thereon; such design may be either cut out, or a raised pattern

page_text: may be employed on the surface of the plate. The pattern may be impressed or
raised on the surface of the material by placing the die thereon and submitting it
to a hydraulic or other suitable pressure.
In order that my invention may be clearly understood, I will proceed to describe
same with reference to the accompanying drawings, in which similar letters refer
to like parts in all the figures.
Figs. 1 and 2 shew apparatus constructed according to my invention, in con-
junction with a press.
Figs. 3, 4, and 5 shew different forms of dies.
A is the die, which may be made of any convenient size or pattern, such as those
shewn at Figs. 3, 4, and 5, and the working surface of said die is indented or raised
in any design to suit the pattern of impression to be obtained. A' are the indenta-
tions. B is the leather or other material to be pressed. C is a block of any
suitable material, having a surface of medium softness. D is the table and E the
press head.
When it is desired to stamp, emboss, or crimp leather or other material, I place
the material B to be pressed on the block C. The die A is then adjusted to the
position required, as shewn at Fig. 1, and the block C supporting the material B
and die A. is slidden on the table D beneath or under the press head E, which is
then brought down upon such die A as shewn at Fig. 2.
The pressure thus exerted causes the projecting parts of the die A to sink into
the material B, whilst the material B rises into the recesses A¹ in the die A, thus
producing a most perfect and smooth design or pattern thereon, corresponding with
that on the die, whilst at the same time the material is not cut through or injured
in any way.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :
1. The employment of a die, having any suitable device therein or thereon,
together with a smooth surfaced block, in combination with a hydraulic or other
suitable press, for stamping, embossing, or crimping leather or other materials,
substantially as herein set forth.
2. The employment of loose or separate dies, which can be readily adjusted on
the material to be pressed, together with an opposite smooth surface, substantially
as and for purposes herein set forth.
3. The general arrangement, construction, and combination of the various parts
forming the means employed for stamping, embossing or crimping leather or other
materials, substantially as herein set forth.
Dated this 20th day of May 1909
BREWER & SON,
Leeds and London, Agents for Applicant.