An Improved Apparatus for Pyrography or Poker Work.
Year: 1891

page_text: Date of Application, 24th Nov., 1891
Complete Specification Left, 22nd Aug., 1892-Accepted, 1st Oct., 1892
PROVISIONAL SPECIFICATION.
An Improved Apparatus for Pyrography or Poker Work.
I, WILLIAM HALLAM, of 30 Cannon Street, Manchester, Manufacturer, do
hereby declare the nature of this invention to be as follows:-
The improvements relate to apparatus to be employed in what is known as
pyrography or poker work, for the production of designs on the surfaces of wood,
cork, leather, bone, ivory, and other substances which are capable of having
designs burnt thereon, and have for object an apparatus which has the stylus or
point kept at the required heat, and is simple and effective for the purpose.
To accomplish this. and to effect my improvements, I provide a metal tube
which is closed at one end, and formed or tapered thereat as a point or style.
Near this pointed end of the tube are drilled or otherwise formed therein a number
of fine holes, or it may be gauze covered openings and, at some little distance
therefrom, I prefer to form a guard or shield to protect the handle which covers
the other portions of the tube for a sufficient distance, for convenience of holding,
and which handle or covering for the tube may be of cork, wood, or any other bad
conductor of heat.!
The farther end of the tube is arranged for the inlet of gas and air, or of gas
alone, and is connected by an india rubber or other suitable tube to a convenient
gas supply.
This arrangement forms a compound of gas burner and style, which burner can
be so regulated, by the supply tap of the gas, as to keep the point, at a suitable
heat for pyrographic purposes. By which means a simple and effective apparatus
is provided wherein constant heat is obtainable.
Variations in detail may be made, without departing from the peculiar character
of the invention.
1 1
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WILLIAM GADD, C.E.,
64, Barton Arcade, Manchester, Agent for the Applicant.
COMPLETE SPECIFICATION.
An Improved Apparatus for Pyrography or Poker Work.
I, WILLIAM HALLAM, of 30 Cannon Street, Manchester, 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 improvements relate to apparatus to be employed in what is known as
pyrography or poker work, for the production of designs on the surfaces of wood,
cork, leather, bone, ivory, and other substances which are capable of having
designs burnt thereon, and have for object an apparatus which has the stylus
or point kept at the required heat, and is simple and effective for the purpose.
To accomplish this and to effect my improvements, I provide a metal tube which
is closed at one end, and formed or tapered thereat as a point or style. Near this
pointed end of the tube, are drilled or otherwise formed therein a number of fine
holes, or it may be gauze covered openings, and, at some little distance therefrom,
I prefer to form a guard or shield to protect the handle which covers the other
portions of the tube for a sufficient distance, for convenience of holding, and which
handle or covering for the tube may be of cork, wood, or any other bad conductor
of heat.

page_text: The farther end of the tube is arranged for the inlet of gas and air, or of gas
alone, and is connected by an india-rubber or other suitable tube to a convenient
gas supply.
3
This arrangement forms a compound of gas burner and style, which burner can be
so regulated, by the supply tap of the gas, as to keep the point at a suitable heat
for pyrographic purposes. By which means a simple and effective apparatus is
provided wherein constant heat is obtainable.
But that the invention may be better understood, I will, with the aid of the
accompanying drawings, proceed more fully to describe means employed by me.
DESCRIPTION OF DRAWINGS.
Fig. 1, shows a longitudinal elevation, partly in section, of a form of apparatus
arranged in accordance with my improvements, and Fig. 2, shows an end view
thereof..
The same letters indicate corresponding parts wherever they occur.
a, is the tube of metal, or other suitable material, one end, or the burner portion
of which is tapered to a point or style b.
Near to this point, and arranged around the tube, are the fine holes c from which
the mixture of air and gas, or gas alone, escapes.
d, is the handle of cork, wood, or other bad conductor of heat, while e is the
guard for still more effectually shielding or protecting the hand of the operator
from the heat of the ignited gas issuing from the holes c, although provision may
be made for the guard and handle to be in one piece, if desired.
When a mixture of air and gas is required, which may be preferable to gas alone
for this purpose, the tube a is formed with an opening at any suitable point, as
at g, for the admission of air, the cork or other handle d having an opening or
openings therein to facilitate such admission.
In the drawing a portion of the handle is cut away to show the opening, in
the tube a, for this purpose, but such opening is not needed when gas alone is passed
through the burner. h, is the rubber or other tubing for conveying the gas from
the supply tap, or other source, to the apparatus.
Variations in detail may be made, as, for instance, the burner end of the tube a
may be differently formed, and the whole of the tube may be of metal, or partly of
metal and partly of other material, and further variations in detail may be made
without departing from the peculiar character of the invention.
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
a,
formed
1. In an apparatus to be used for pyrography or poker work, the tube
at one end as a style, and provided with perforations c for the outlet of gas to be
burnt, near such end thereof, the other end being capable of communication with
any convenient gas supply, and arranged for the purpose and in manner substantially
as herein shown and described.
2. In an apparatus to be used for pyrography or poker work, the style tube a,
provided with a perforated burner end, combined with protecting handle and guard,
and whether formed with an inlet for air in addition to an inlet for gas, or with
an inlet for gas only, all arranged for the purpose and in manner substantially as
berein shown and described.
3. In an apparatus to be used for pyrography or poker work, the combination
of parts arranged for the purpose and in manner substantially as herein shown and
described.
Dated this 20th day of du 1800
WILLIAM GADD, C.E.,
64, Barton Arcade, Manchester, Agent for the Applicant.