Improvements in and relating to the Manufacture and Embossing of Metal Foil, applicable for Wrappers used for Cocoa, Chocolate, Sweets, Tobacco, and other suitable purposes, and in Machinery or Apparatus therefor.
Year: 1893

page_text: Date of Application, 20th Sept., 1893
Complete Specification Left, 20th June, 1894-Accepted, 4th Aug., 1894
PROVISIONAL SPECIFICATION.
Improvements in and relating to the Manufacture and Embossing
of Metal Foil, applicable for Wrappers used for Cocoa, Chocolate,
Sweets, Tobacco, and other suitable purposes, and in Machinery
or Apparatus therefor.
We GEORGE JOHNSON and EDWARD COPE GEM trading under the style of
George Johnson & Co. of Montgomery Street Birmingham in the County of
Warwick, Metal Rollers, and Manufacturers, do hereby declare the nature of this
invention to be as follows:-
This invention has for its object improved means for manufacturing & finishing
lead and tin foil or the amalgamation of each metal, or such like substance, or the
amalgamation of metals of any suitable kind for our purpose and the improvements
relate firstly in the construction of the machinery or apparatus, and secondly in
the product.
The machine is built up having two uprights or standards which carry a pair of
rolls, the one above the other these are journalled in suitable bearings, screw handles
are provided at the top of the standards for the purpose of regulating the rolls,
below the rolls a tank for containing water is situated which is of iron or other
material, the walls of which rise to within say half an inch of the lower roll, more
or less. At the base of the tank and leading into same is an inlet steam pipe, passing
through the top roll first and then into the cistern, having a regulating tap for
turning the steam on or off at will this pipe is in connection with a boiler, the other
side of the tank has an outlet or escape pipe and tap which is always open when the
rolls are working and the steam turned on.
When the steam is turned on from the boiler it is injected into the water tank by
means of the before named steam pipe, and as it rises from the tank around the
rolls, it thoroughly cleanses them, and the metallic foil, when being reduced from
the ingot as it passes through the rolls, the foil may then if necessary be dried
in a stove.
The rolls are burnished from time to time during the process of manufacturing
the foil, with eucalyptus oil or other oils, or product, and cleansed with solution of
any suitable kind.
The result of the above described process as effected by our improved machinery
& treatment of the foil in its manufacture is that the rolls are easily & effectually
cleansed, also any oil grease or dirt is removed which may have become attached to
the foil during previous stages when being rolled down, thus rendering it perfectly
clean and bright, whereby a more attractive appearance is given.
Dated this 18th day of Santambor AD 1802
EDWD. J. PAYNE & SON,
104, Colmore Row, Birmingham, Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in and relating to the Manufacture and Embossing
of Metal Foil, applicable for Wrappers used for Cocoa, Chocolate,
Sweets, Tobacco, and other suitable purposes, and in Machinery
or Apparatus therefor.
We GEORGE JOHNSON and EDWARD COPE GEM, trading under the style of
George Johnson and Company, of Montgomery Street Sparkbrook Birmingham
D
037

page_text: in the County of Warwick Metal Rollers and Manufacturers, 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,
reference being had to the accompanying drawings and to the figures and letters
corresponding with this Specification:-
This invention has for its object improved means for manufacturing, embossing
and finishing lead and tin foil or the amalgamation of each metal, or such like
substance, or the amalgamation of metals of any suitable kind for our purpose and
our improvements relate firstly to the construction of the machinery or apparatus
and secondly to the product.
Figure 1. is a frout elevation of the machine and its attachments.
Figure 2. a side view of the tank or steam chest with its pipes.
.
The machine or apparatus is built up in the usual or other convenient manner
having two standards or supports A, which carry a pair of rolls B, and C, the one
above the other, journalled in suitable bearings the upper roll B, has the required
pattern thereon for embossing the foil, the lower one C, has the cotton or similar
surface upon same.
Upon the spindle carrying the roll B, is a cog wheel D, meshing with a smaller
cog wheel E, upon a shaft F, upon the other end of which are fast and loose
pulleys G, G, counccted by a driving band to the motive power for driving the
machine or apparatus, the usual lever arrangement is attached to the machine for
the purpose of controlling the action of the fast and loose pulleys, screw handles H,
are provided at the top of the standards or supports for regulating the position of
the rolls, steam pipes I, in connection with a boiler situated in any convenient
position pass as shewn through the upper roll B, which is cylindrical, the steam
pipe is carried down to the base of the machine as at I' and is returned to about
mid-way of the width of the machine, it is then carried up a certain height so that
it shall lead into a water tank or steam chest J, situated beneath the lower
roll C, thus providing an inlet steam pipe, and having a regulating tap K, for
turning the steam on and off according to the required amount of pressure, an
outlet or escape pipe L and tap M, is also in connection with the water
tank or steam chest J which tap is always open when the rolls are working, and
steam turned on, in order to allow of the water made by the condensed steam
running off from the tank or steam chest when it has risen to a level with the
outlet pipe.
The sides or walls of the tank or steam chest J rise to, say, within about one half
of an inch (more or less) of the lower roll C, and are brought together in such a
manner that they nearly meet, leaving merely a narrow horizontal aperture J¹
extending the full width of the steam chest for the steam to ascend.
The usual tables are upon the front and back of the machine for the reception of
the metal foil before and after it has been embossed.
We have shewn and described the steam pipe as passing through the upper roll B,
if preferred however it need not do so, but may be arranged to pass exterior to
the same.
OPERATION.
The water tank or steam chest J, has always a certain quantity of water in its
lower part and when the steam is turned on from the boiler, according to the
method described and illustrated it passes through the steam pipes I, and roll B,
and steam pipe I and is injected into the tank or steam chest J, whence it rises
through the water which thus becomes thoroughly heated, the injected steam and
that from the water rises up through the horizontal aperture and passes around the
rolls as they are working and thoroughly cleanses them, and the metal foil, as it is
passed between the rolls to be embossed, the foil may then if necessary be after-
wards dried in a stove, though this may not be required by reason of the heat
imparted to the upper roll B, by the steam in the first place passing through it,
furthermore the fact of the roll being so heated the metal foil is brightened.

page_text: The rolls are burnished i.e. rubbed over (from time to time during the process of
manufacturing the foil), with eucalyptus oil, or other oils, or other product, and
cleansed with solution of any suitable kind.
The result of the above described process as effected by our improved arrange-
ment of machinery or apparatus and method of treatment of the foil in its
manufacture, is, that the rolls are easily and effectually cleansed, by reason of the
introduction of steam for the purpose, whereby any grease, oil, dirt, or other
impurities which may have become attached to the rolls, or the foil (during previous
stages of manufacture) is removed thus rendering the foil perfectly clean and
bright whereby a more attractive appearance is given which is an important feature.
In carrying our improvements into effect we wish it to be understood that we do
not limit ourselves to the precise construction and arrangement of machinery or
apparatus for producing the result described as we may vary the same without
departing from the essential particulars of this our invention.
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
Firstly. The improved process of introducing steam as a cleansing medium in
the manufacture of metal foil and the method of applying the same as herein
described, or by other similar acting means for the purpose set forth.
Secondly. In machinery or apparatus for manufacturing, embossing, and finishing
metal foil the application and arrangement of the several parts comprising our
invention, consisting of the arrangement of the steam pipe or pipes in connection
with a boiler, the cylindrical roll through which a steam pipe passes, leading to the
water tank or steam chest for condensing the steam, the outlet or escape pipe
therefrom, all in combination with the other working parts, for the purpose
substantially as set forth described and illustrated.
Thirdly. In machinery or apparatus for manufacturing metal foil, the alternative
method whereby the steam pipe or pipes leading from a boiler may pass exterior to
the rolls (instead of through a cylindrical roll) in connection with the tank or steam
chest for the purpose substantially as set forth.
Fourthly. We claim the improved metal foil as produced in the manner above
described.
.הני.
101
A
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1001
EDWD. J. PAYNE & SON,
104, Colmore Row, Birmingham, Agents for the Applicants.