Improved Stiffened and Perforated Lining Material for Garments.
Year: 1899

page_text: Date of Application, 2nd Mar., 1899
Complete Specification Left, 30th June, 1899-Accepted, 2nd Sept., 1899
PROVISIONAL SPECIFICATION.
Improved Stiffened and Perforated Lining Material for Garments.
I, CHRISTIAN WILHELM SCHWAMM, of No. 23, Gaisburger Strasse, Stuttgart,
Germany, Merchant, do hereby declare the nature of this invention to be as
follows:-
My invention relates to a novelty in lining material.
The materials hitherto usually impregnated with indiarubber, nitrocellulose,
celluloid or the like form an impervious surface being merely intended to prevent
moisture penetrating through the tissue. The preseent invention relating to an
impregnated lining material, however, is intended not so much to waterproof the
material but to give it stiffness and elasticity by increased porousness, so that
the material can be used generally as stiff linings for clothing. Unlike other
materials used for similar purposes, such as canvas and buckram, the stiffness
or elasticity is obtained by impregnating it with indiarubber solution, celluloid
and the like, and by providing the material with a larger or small number of
holes. The pores or holes penetrate both layers. By means of these holes a high
degree of porousness or ventilation in the material is attained which is absolutely
necessary in linings on account of the perspiration of the body.
The impregnation of the material, which need only be applied to one side, also
maintains the stiffness or elasticity of the material in the greatest moisture that
impregnating substances such as rubber solution, celluloid and the like are
capable of resisting which was not always the case in the stiff linings hitherto
employed.
In the manufacture of a lining material of this kind it is also unnecessary for
the stuff to be impregnated after the weaving, an equally good porous material being
obtained if the single threads are impregnated before or during the weaving. In
this manner mixed, coloured, and pattern materials can also be produced.
Dated the 2nd day of March 1899
W. P. THOMPSON & Co.,
322, High Holborn, London, W.C., Patent Agents for the Applicant.
Improved Stiffened and Perforated Lining Material for Garments.
I, CHRISTIAN WILHELM SCHWAMM, of No. 23, Gaisburger Strasse, Stuttgart,
Germany, Merchant, 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:-
My invention relates to a novelty in lining materials.
The materials impregnated with india rubber, celluloid and the like which

page_text: have been used hitherto form an impermeable surface and are intended to pre-
vent moisture penetrating through the material.
The present invention which relates to an impregnated material, is on the
contrary not intended for waterproofing the stuff itself only, but in addition,
to make it stiff and resilient with a higher degree of porosity.
In the accompanying drawing a piece of such material is illustrated.
Figure 1 is a plan view of the material.
Figures 2 to 4 are sections of three constructional modifications.
Figure 5 illustrates in plan view a fourth constructional form.
a is the material which can be woven of any preferred kind of yarn, cotton,
wool or the like, and must not be too narrow. is the layer of impregnating
substance which covers the woven stuff either on one side of the material
(Figure 2) or on both sides (Figure 3) or it can also completely sink into the
woven stuff (Figure 4). Apertures c are pierced or stamped or cut in the material.
In each constructional form the layer of impregnating material merely covers
the woven threads without covering up the apertures so that these remain in
the material.
In the modification illustrated in Figure 5 the material is left porous over its
greatest portion, the impregnating substance forming a crossed pattern (e) which
leaves certain places (7) of the porous stuff uncovered.
A water proof substance, elastic, and as little as possible extensible, such as
celluloid, hardened rubber and the like, is to be employed to impregnate the
material.
The threads may be impregnated either before they are woven or afterwards.
In the first case the material can be woven out of impregnated yarn and of course
both the impregnating substance and the material admit of the most various
colours.
A porous impregnated material of this kind is very suitable for replacing the
stiff linings hitherto used for wearing apparel, for instance as a substitute for
stiff linen, canvas and the like. It has the advantage over such linings that it
does not lose its stiffness by being wetted, or through moisture and nevertheless
does not impede the perspiration of the body.
It can be suitably employed in the manufacture of hats, for instance, as a
substitute for straw hats and ladies' hat shapes, and can easily be pressed into
suitable shapes.
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:
1. Impregnated material consisting of a tissue impregnated in such a way
with a waterproof elastic substance such as celluloid or the like that the material
remains porous in parts substantially as described.
2. A material as characterized in Claim 1 in which the impregnating sub-
stance () covers the special woven threads (a) without stopping up the pores (e)
of the material.
3. A material as characterized in Claim 1 in which the impregnating material
forms a pattern leaving uncoated certain portions of the material, substantially
as described.
1000
W. P. THOMPSON & Co.,
Of London, Liverpool, Manchester, and Birmingham.

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