Improvements in the Method of and Apparatus for Burning Artistio and other Designs on Wood and other Substances.
Year: 1893

page_text: Date of Application, 3rd Oct., 1893-Accepted, 4th Nov., 1893
COMPLETE SPECIFICATION.
Improvements in the Method of and Apparatus for Burning Artistio
and other Designs on Wood and other Substances.
I, ALFRED CHRISTIE SMART, of Number 11 Elizabeth Street, in the City of
Melbourne in the Colony of Victoria, Architect, 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 :-
An artistic and other design has been burned or scorched on wood, ivory and
other surfaces by tracing with a red hot style. My invention relates to means of
producing burnt or scorched designs of greater freedom and delicacy than can be
produced by a solid style bearing on the surface, and I effect this by using for the
burning or scorching a blast of flame or hot gases issuing from a tubular style,
which is freely moved about at some distance from the surface acted upon, as
shall explain referring to the accompanying drawings illustrating the apparatus
which I employ.
Fig. 1 is an elevation partly in section of the part of the apparatus for supplying
the combustible fluid.
Fig. 2 is a longitudinal section and Fig. 3 is a side elevation of the style and
handle.
The operator holds in his left hand a caoutchouc ball A provided with valves so
as to operate as a pump forcing air into the elastic ball A and thence by pipe A'
and vertical tube C into and through a quantity of benzoline or other volatile
inflammable liquid D contained in a vessel B. From this vessel the air charged
with inflammable vapours passes by a pipe A' through a handle E of wood, cork or
other material which is a bad conductor of heat, to a platinum nozzle F terminating
with an aperture G. The platinum, having in the first place been heated, ignites
the combustible fluid passing through it so that flame and hot products of com-
bustion issue from the aperture G. The operator holding the handle E in his right
hand, while he works the pump A with his left hand, directs the hot fluid over the
surface operated on, keeping the aperture G at such varying distance from the
surface as may best suit the design. It is preferred to provide a number of
nozzles F with apertures of various sizes, one or other of which may be used as
the character of the design may require. Instead of the hand pump A, a pump or
bellows worked by the foot of the operator, as for an ordinary blow pipe, might
obviously be employed.
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 :-
:-
1. The herein described method of burning or scorching designs on the surface of
wood or other suitable material by moving over, but not in contact with the surface,
a nozzle having flame or hot products of combustion issuing from it.
2. For operating in the manner above referred to, apparatus consisting of an
air pump or bellows, a vessel containing combustible more or less volatile fluid
through which the air is passed and a tube with non-conducting handle and nozzle,
substantially as described.
Dated this 3rd day of October 1893.
ABEL & IMRAY,
Agents for Applicant.