Improvements in the Construction and Manufacture of Metallic Handles or Hafts for Pocket Knives, Sheath Knives, Table Cutlery, and the like Articles.
Year: 1886

page_text: Date of Application, 10th May, 1886.
Complete Left, 5th Feb., 1887.
Complete Accepted, 11th Mar., 1887.
Improvements in the Construction and Manufacture of Metallic
Handles or Hafts for Pocket Knives, Sheath Knives, Table
Cutlery, and the like Articles.
I CHARLES IBBOTSON, of 58 Cambridge Street, Sheffield, in the County of York,
Cutlery Manufacturer, do hereby declare the nature of my Invention, for "IMPROVE-
MENTS IN THE CONSTRUCTION AND MANUFACTURE OF METALLIC HANDLES OR HAFTS
FOR POCKET KNIVES, SHEATH KNIVES, TABLE CUTLERY AND THE LIKE ARTICLES,"
to be as follows:-
With the exception of Pocket Knives, articles as herein described have been
manufactured with hollow metallic scales or handles, and by the present method of
manufacture, the scales or handles of such articles, are stamped out of thin sheets of
metal in two halves and then soldered together.
By the processes hitherto employed in the manufacture of such articles, the cavity
between the two halves of thin material forming the handles, is filled up by Cement,
Composition, or other equivalent substance being poured in whilst in a fluid state,
which afterwards sets hard within the handles, rendering them comparitively firm and
solid; but hitherto, this method of manufacture of handles has not been applicable to
pocket Knives.
The primary object of my present invention is to construct and manufacture the
handles or hafts of Pocket Knives and the like articles out of thin sheets of metal in
two halves in such a manner that each half may have a rounded, and moulded form,
which may be either plain or embossed, and similar in appearance to the metallic
handles of certain classes of Table Cutlery, Dessert Knives and the like articles.
I stamp out of thin sheets of metal two rounded, moulded or embossed scales in a
manner similar to that employed in the manufacture of the metallic handles of certain
classes of Table Cutlery, which is usually effected by stamping the thin sheets into the
required size and form between a pair of dies; and with regard to this portion of the
process I lay no claim as to novelty, but, the essential feature of my Invention is
the means by which I strengthen and stiffen the separate halves of a metallic handle,
so that it may be used as in the case of a Pocket Knife, with a space between each

page_text: half for the reception of the blade when shut, or, so that they may be used for Table
Cutlery or other articles without the whole space or cavity between the two halves
being entirely filled up with Cement composition or other equivalent substance as
herein previously described.
I effect the object of my Invention by running or casting into the innerside of each
half of the stamped scale, white metal or other suitable substance, in such a manner
that it may form a backing of comparatively uniform thickness, except at the blade
end where it may be thickened, it may likewise be thickened at other portions of the
handle where rivets or other means are employed for fastening the two halves
together.
In performing this operation the scale or half handle may be laid in a die or mould,
and a core having been placed inside the scale or half handle, such core being so
formed as to allow of the required space or spaces between it and the inside of the
scale, the white metal or other substance may be cast run or poured into this space or
into these spaces and when set, the core may be removed.
By preparing the inside of the scales with spirit, the white metal or other suitable
substance will be soldered firmly into the position in which it is run or cast.
As a modification of the foregoing, instead of the scale being coated or lined over
the whole of its interior surface with white metal or other suitable substance either in
uniform or in varying thicknesses, the material may be run in or cast in the form of
fillets at intervals as required.
Parts of handles or hafts such as the cap or bolster of a sheath knife or other similar
article may likewise be constructed and manufactured as herein described.
By the means herein described exceedingly thin sheets of metal may be employed
in the construction and manufacture of the handles or hafts of Pocket Knives, Sheath
Knives, Table Cutlery and the like Articles.
Expensive and precious metals may thus be employed, and a lighter handle may be
obtained than by existing processes.
R. HEBER RADFORD,
Agent for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in the Construction and Manufacture of Metallic
Handles or Hafts for Pocket Knives, Sheath Knives, Table
Cutlery, and the like Articles.
I CHARLES IBBOTSON, of 58, Cambridge Street, Sheffield, in the County of York,
Cutlery Manufacturer, do hereby declare the nature of my Invention for IMPROVE-
MENTS IN THE CONSTRUCTION AND MANUFACTURE OF METALLIC HANDLES, OR HAFTS,
FOR POCKET KNIVES, SHEATH KNIVES, TABLE CUTLERY AND THE LIKE ARTICLES,”
and in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement:-
29
With the exception of Pocket Knives, articles as herein described, have been
manufactured with hollow metallic scales, or handles, and by the present method of
manufacture, the scales, or handles, of such articles are stamped out of thin sheets
of metal in two halves, and then soldered together.
By the processes hitherto employed in the manufacture of such articles, the cavity
between the two halves of thin material forming the landles, is filled up by Cement,
Composition or, other equivalent substance, being poured in whilst in a fluid state,
which afterwards sets hard within the handle, rendering them comparatively firm and
solid; but hitherto, this method of manufacture of handles has not been applicable to
Pocket Knives.
The primary object of my present invention is to construct and manufacture the
handles, or hafts, of Pocket Knives, and the like articles out of thin sheets of metal in
two halves in such a manner that each half may have a rounded, and moulded form,
which may be either plain or embossed, and similar in appearance to the metallic
handles of certain classes of Table Cutlery, Dessert Knives, and the like articles.
I stamp out of thin sheets of metal two rounded, moulded, or embossed scales, in a
manner similar to that employed in the manufacture of the metallic handles of certain
classes of Table Cutlery, which is usually effected by stamping the thin sheets into the
required size and form, between a pair of dies, and with regard to this portion of the
process I lay no claim as to novelty, but, the essential feature of my Invention is
the means by which I strengthen and stiffen the separate halves of a metallic handle,
so that they may be used as in the case of a Pocket Knife, with a space between each
for the reception of the blade, or, so that they may be used for Table Cutlery or other
articles without the whole space or cavity between the two halves being entirely filled
up with cement, .composition or other equivalent substance as herein previously
described.
I effect the object of my Invention by running or casting into the innerside of each
half of the stamped scale, white metal or other suitable substance, in such a manner
that it may form a backing of comparatively uniform thickness, except at the blade
end, where it may be thickened, it may likewise be thickened at other portions of
the handle, where rivets or other means are employed for fastening the two halves
together.

page_text: In performing this operation the scale or half handle may be laid in a die or mould,
and a core having been placed inside the scale or handle, such core being so formed as
to allow of the required space or spaces between it and the inside of the scale, in this
space or in these spaces, the white metal or other substance may be cast and when set,
the core may be removed.
By preparing the inside of the scales with spirit, the white metal, or other suitable
substance will be soldered firmly into the position, in which it is run, or cast.
As a modification of the foregoing instead of the scale being coated or lined over
the whole of its interior surface with white metal or other suitable substance either in
uniform or in varying thicknesses, the material may be run in or cast in the form of 1
fillets at intervals as required.
Parts of handles or hafts such as the cap or bolster of a sheath Knife or other
similar article may likewise be constructed and manufactured as herein described.
By the means herein described exceedingly thin sheets of metal may be employed
in the construction and manufacture of the handles or hafts of Pocket Knives, Sheath 1
Knives, Table Cutlery and the like articles.
Expensive and precious metals may thus be employed, and a lighter handle may be
obtained.
The object of my Invention will be better understood on reference to the accom-
panying sheet of drawings in which,
2
Fig. 1, represents the half of a scale for a table Knife as stamped out of a thin
sheet of metal.
Fig. 2, Is a section of the same through the line A, B.
Fig. 3, Is a side or edge view of Fig. 1.
Fig. 4, Represents the half scale as shewn in Fig. 1, after the fillets of white metal 2
or other suitable substance have been run or cast in.
Fig. 5, Being a section of the same through the line A. B.
Fig. 6, Is a section shewing the white metal run or cast into the half scale in the
form of a backing with the core in position.
Fig. 7, Is a view of the haft with the tang and part of the blade of a table knife 3
constructed and manufactured as herein described.
Fig. 8, Is a side or edge view of the same.
Fig. 9, Represents the half of a scale for a pocket Knife (which has been first
stamped out of a thin sheet of metal in the same manner as is illustrated for a table
knife in Fig. 1), after the fillets of white metal or other suitable substance have been 3
run or cast in.
Fig. 10, Is a section of the same through the line A, B.
Fig. 11 Is a section through the line C. D. shewing the white metal run or cast
into the half scale in the form of a backing, in addition to the fillets, and also shewing
the core in position, The dotted lines representing the core in this view and likewise 4
in Fig. 6, would also represent the filling of plaster of paris, cement, or other suitable
substance which is sometimes used for filling the spaces between the scales and the
fillets and the tang as the case may be.
Fig. 12, Is a view of a pocket knife (with the blade in position as closed) con-
structed and manufactured as herein described.
Fig. 13, Is a side or edge view of the same.
The same letters refer to similar parts throughout the several views.
a, is the scale stamped out of a thin sheet of metal.
, is the fillet or fillets of white metal or other suitable substance. .
c, is the backing of white metal or other suitable substance.
d, is the blade of the knife.
e, is the tang of the blade.
is the spring of the knife.
9, 9, 9, are the rivets.
4
5
h, represents the core where a backing is used in addition to the fillets, or h, may 5
represent the filling of plaster of paris, cement, or other suitable substance which is

page_text: sometimes used for filling up the spaces between the backing and the fillets or where
a backing is not used between the inner side of the scale and the fillets.
The description and illustrations herein given represent the principle features of my
Invention as applied to a table knife and to a pocket knife, the same principle being
equally applicable to other forms of pocket Knives, sheath Knives, table cutlery and the
like articles, and the manner of carrying the same into effect may be somewhat varied
without departing from the principles of my Invention.
Having now particularly described and ascertained the nature of my Invention and
in what manner the same is to be performed I declare that what I claim is :-
1. Improvements in the construction and manufacture of pocket Knives, Sheath
Knives, table Cutlery and the like articles by strengthening and stiffening the
separate halves of a metallic handle or handles (which have been previously stamped
out of a thin sheet or sheets of metal in the form of a plain, moulded or embossed
scale or scales,) by running or casting into the inner side or sides of each half of the
stamped scale or scales, white metal or other suitable substance, in such a manner,
that it may form a backing of comparatively uniform thickness except at the blade
end or other portions of the handle (where rivets or other means are employed for
fastening the two halves together) which may be made thicker.
2. Improvements in the construction and manufacture of pocket Knives, Sheath
Knives, table Cutlery and the like articles by strengthening and stiffening the
separate halves of a metallic handle or handles, which have been previously stamped
out of a thin sheet or sheets of metal, in the form of a plain, moulded or embossed
scale or scales, by running, or casting into the inner side, or sides, of each half of the
stamped scale, or scales, white metal, or other suitable substance, in such a manner
that it may form a fillet, or fillets, at the blade end, or other portion of the handle, at
intervals where rivets, or other means are employed for fastening the two halves
together without coating, or lining the whole surface of the interior of the scale, or
scales, with white metal, or other suitable substance so as to form a backing as herein
previously described.
3. Improvements in the construction and manufacture of metallic handles or hafts
for Pocket Knives, Sheath Knives, Table Cutlery and the like purposes, substantially
as herein described and illustrated.
R. HEBER RADFORD,
Agent for the Applicant.