IMPROVEMENTS IN THE MANUFACTURE AND PREPARATION OF PLATES FOR ELECTRIC ACCUMULATORS
Year: 1882

page_text: LETTERS PATENT to Thomas Sexton Sarney of Camberwell in the County of
Surrey and John Montague Alprovidge of Herne Hill in said County for an
Invention of "IMPROVEMENTS IN THE MANUFACTURE AND PREPARATION OF
PLATES FOR ELECTRIC ACCUMULATORS"-
PROVISIONAL SPECIFICATION left by the said Thomas Sexton Sarney.
& John Montague Alprovidge at the Office of the Commissioners of Patents'
on the 8th July 1882.
THOMAS SEXTON SARNEY of Camberwell in the County of Surrey and JOHN
MONTAGUE ALPROVIDGE of Herne Hill in said County IMPROVEMENTS IN THE
MANUFACTURE AND PREPARATION OF PLATES FOR ELECTRIC ACCUMULATORS.
This invention relates to the manufacture and formation of plates which are
suitable for use in electric accumulators or secondary batteries The invention
consists in making said plates of thin laminated metallic sheets in or with which
are intimately commingled, amalgamated or impregnated lead or other suitable
metallic oxides, peroxides or sulphates or other suitable substances all as herein-
after described.
The object being to expose the largest possible amount of surface (with a given
weight of material) to the action of the bath Various methods may be employed
for carrying this invention into effect as for example by rolling down to a thin
sheet, a thick metal plate which has been previously coated with a paste or mixture
of lead or other metallic oxides peroxides or sulphates after which the plate is
again coated with the paste or mixture and is doubled back on itself passed
through the rolls, again coated, doubled and rolled until the size, quantity and
degree of impregnation required has been obtained Instead of rolling the plates,
they may be beaten out as is now customary with the gold plates used in the arts
and sciences or the plates may be made by puddling the molten metal with the
metallic oxides, peroxides, sulphates or other suitable material such as carbon coke
or manganese The mixture being subsequently cast or moulded coated rolled and
laminated as above described Instead of puddling the ingredients may be blown

page_text: into or upon the molten metal in a manner analagous to that which has been
proposed for the treatment of steel in the Bessemer or other converter or furnace
Or the molten metal may be caused to fall through space (as in shot making)
where it will meet with a current of air or gases carrying the oxides or other
substances employed which will be gathered up by the falling metal. Or the
metal may be in the form of wire which is coated with the chosen substance or
substances Whatever the method employed, it is intended that the metal should
be coated and laminated by rolling hammering or other suitable methods until a
large amount of surface is exposed with but comparatively a small weight of
combined and thoroughly impregnated material In order to keep the thin sheets
from absolutely touching paper, felt or other suitable porous material may be
interposed The laminated plates or masses described may be formed into electric
accumulators or secondary batteries either alone or in combination with plain
plates such as now employed
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Thomas Sexton Sarney & John Montague Alprovidge in the Great
Seal Patent Office on the 5th January 1883.
THOMAS SEXTON SARNEY of Camberwell in the County of Surrey and JOHN
MONTAGUE ALPROVIDGE of Herne Hill in said County IMPROVEMENTS IN THE
MANUFACTURE AND PREPARATION OF PLATES FOR ELECTRIC ACCUMULATORS
1.
$
135
This Invention relates to the manufacture and formation of, plates, which are
suitable for use in electric accumulators or secondary batteries The invention
consists in making said plates of thin laminated metallic sheets in or with which,
are intimately commingled, amalgamated or impregnated lead or other suitable
metallic oxides, peroxides or sulphates, or other suitable substances all as herein-
after described The object being to expose the largest possible amount of surface
(with a given weight of material) to the action of the bath Various methods may
be employed for carrying this invention into effect, as for example by rolling down
to a thin sheet, a thick metal plate which has been previously coated with a paste
or mixture of lead, or other, metallic oxides, peroxides or sulphates, after which the
plate is again coated with the paste or mixture and is doubled back on itself,
passed through the rolls, again coated, doubled and rolled until the size, quantity
and degree of impregnation required has been obtained .Instead of rolling the
plates they may be beaten out as is now, customary with the gold plates used in
the arts and sciences, or the plates may be made by puddling the molten metal
with the metallic oxides, peroxides sulphates or other suitable material, such as
carbon, coke, or manganese The mixture being subsequently cast or moulded,
coated, rolled and laminated as above described Instead of puddling, the ingredients
may be blown into or upon the molten metal in a manner analogous to that which

page_text: has been proposed for the treatment of steel, in the Bessemer or other converter or
furnace Or the molten metal may be caused to fall through space (as in shot
making) where it will meet with a current of air or gases, carrying the oxides or
other substances employed, which will be gathered up by the falling metal Or
the metal may be in the form of wire which is coated with the chosen substance
or substances Whatever the method employed it is intended that the metal should
be coated and laminated by rolling, hammering, or other suitable methods until a
large amount of surface is exposed, with but comparatively a small weight of
combined and thoroughly impregnated material In order to keep the thin sheets
from absolutely touching, paper, felt, or other suitable porous material may be
interposed The laminated plates or masses described may be formed into electric
accumulators or secondary batteries either alone or in combination with plain
plates such as are now employed
Having thus fully described our invention, What we claim and desire to secure
by Letters Patent-is
The manufacture and preparation of electric accumulator or secondary battery
plates substantially as and for the purposes set forth
In Witness whereof we the said Thomas Sexton Sarney and John Montague
Alprovidge have hereunto set our hands and seals this Fifth day of January
in the year of Our Lord one thousand, eight hundred and eighty three
5
Signed, sealed and delivered
by the said Thomas Sexton
Sarney and John Montague
Alprovidge in the presence of
ALLEN P. JONES
53 Chancery Lane
London W.C.
THU D. DAKNEY. (L.8.)
J. M. ALPROVIDGE (LS)