Improvements in Heating, Principally for Welding or Uniting Plates, Tubes, or other Forms of Iron or Steel or other Metals, and in Apparatus Employed therein.
Year: 1888

page_text: Date of Application, 7th Feb., 1888
Complete Specification Left, 7th Nov., 1888
Complete Specification Accepted, 31st Dec., 1888
Improvements in Heating, Principally for Welding or Uniting
Plates, Tubes, or other Forms of Iron or Steel or other Metals,
and in Apparatus Employed therein.
I WILLIAM SEDDON SUTHERLAND of Richmond House Poplar Avenue Sandon
Road Birmingham in the county of Warwick Engineer do hereby declare the nature
of this invention to be as follows:-
First. Heretofore in applying heat to the edges or seams of plates or tubes to be
welded or other parts to be heated I have applied heat to as great a length of the
seam to be welded or parts to be heated as possible at one time. In this invention
I obtain as intense a heat as 1 can in a comparatively small space and cause the
heat or the seam to be welded or parts to be heated or both to move backwards
and forwards in contact with each other until a given continuous length of the
seam to be welded or parts to be heated has attained to the required temperature.
Second. The intense heat is obtained by the combustion of liquid or gaseous fuel
with air or oxygen within a space enclosed by refractory material and the seam to
be welded or parts to be heated; or the said intense heat may be obtained by
electricity; or in case the heat produced by combustion of liquid or gaseous fuel
be not sufficiently intense additional heat is produced by the employment of elec-
tricity. Motion is given to the refractory material and seam to be welded or either
of them by suitable reciprocating or equivalent mechanism.
Third. I protect the side of the seam to be welded or parts to be heated which
is opposite to the source of heat by a hearth of refractory material and I make this
hearth of greater length than the part of the seam to be welded or parts to be
heated which at any one time is or are caused to move backwards and forwards
and be exposed to the intense heat. I also extend the walls of refractory material
of the heated space on each side and in line with the hearth and I make both the
hearth and the said extensions of the refractory walls of the heated space sufficiently

page_text: long to always cover the part of the seam to be welded or parts to be heated which
at any one time is or are being raised to the required temperature whilst being
moved backwards and forwards. In some cases I move the hearth along with the
seam to be welded or parts to be heated.
Fourth. The heated atmosphere or vapour or gases produced by the means specified. 5
under the second head or part of such atmosphere vapour or gases so produced is
allowed to pass away along the seam to be welded or parts to be heated into the
atmosphere or into a flue or flues.
Fifth. I cover the hearth with carbonaceous matter such as coke breeze or charcoal
to prevent oxidation and to assist the heating of the seam to be welded or parts to be 1
heated.
Per pro J. T. KING,
J. Johnson,
Agent.

page_text: Improvements in Heating, Principally for Welding or Uniting
Plates, Tubes, or other Forms of Iron or Steel or other Metals,
and in Apparatus Employed therein.
I, WILLIAM SEDDON SUTHERLAND of Richmond House Poplar Avenue Sandon
Road Birmingham in the County of Warwick Engineer, 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 :—
First. Heretofore in applying heat to the edges or seams of plates or tubes to be
welded or other parts to be heated I have applied heat to as great a length of the seam
to be welded or parts to be heated as possible at one time. In this invention I obtain
as intense a heat as I can in a comparatively small space and cause the heat or the
seam to be welded or parts to be heated or both to move backwards and forwards in
contact with each other until a given continuous length of the seam to be welded or
parts to be heated has attained to the required temperature.
Second. The intense heat is obtained by the combustion of liquid or gaseous fuel
with air or oxygen within a space enclosed by refractory material and the seam to be
welded or parts to be heated ;.or the said intense heat may be obtained by electricity;
or in case the heat produced by the combustion of liquid or gaseous fuel be not
sufficiently intense additional heat is produced by the employment of electricity.
Motion is given to the refractory material and seam to be welded or either of them
by suitable reciprocating or equivalent mechanism.
Third. I protect the side of the seam to be welded or parts to be heated which is
opposite to the source of heat by a bearth of refractory material and I make this
hearth of greater length than the part of the seam to be welded or parts to be heated
which at any one time is or are caused to move backwards and forwards and be
exposed to the intense heat. I also extend the walls of refractory material of the
heated space on each side and in line with the hearth, and I make both the hearth and
the said extensions of the refractory walls of the heated space sufficiently long to
always cover the part of the seam to be welded or parts to be heated which at any one
time is or are being raised to the required temperature whilst being moved backwards
and forwards. In some cases I move the hearth along with the seam to be welded or
parts to be heated.
Fourth. The heated atmosphere or vapour or gases produced by the means specified
under the second head or part of such atmosphere vapour or gases so produced is
allowed to pass away along the seam to be welded or parts to be heated into the
atmosphere or into a flue or flues.
Fifth. I cover the hearth with carbonaceous matter such as coke, breeze or charcoal
to prevent oxidation, and to assist the heating of the seam to be welded or parts to be
L

page_text: DESCRIPTION OF THE DRAWINGS.
i water
Fig. 1 is a longitudinal vertical section of apparatus for heating under my invention.
a-anvil-beak. b-standard._c_platform_and_rails.. d. carriage free to be moved to and
from the rails c. e tube or metal the edges of which are to be welded together.
fanvil secured to the beak a. g hearth of refractory material carried by the beak a.
pipe connected to gaseous fuel and air supply by flexible connections.
cooled tuyere. ; combustion chamber or space enclosed by refractory material k.
The parts h. i. j. k are connected together by a suitable metal frame, and are free to
move to and fro on guides l. m driving wheel carried in bearings in the standard b.
n connecting rod coupling the parts h. i. j. k to a crank pin on the driving wheel m.
The action is as follows. The gaseous fuel and air are admitted into the space j and
ignited, the tube e is placed in position and the wheel m is set in motion so that the
combustion chamber is moved back and forth along the edges of the metal to be
welded until the required temperature is obtained. The tube is then moved forward
until the heated edges are over the anvil when they are welded together. Instead
of moving the combustion chamber to and fro, motion may be given to the tube,
or both combustion chamber and tube may have motion imparted to them liquid
fuel may be used instead of or in combination with gaseous fuel.
Fig. 2 is a sectional view of apparatus under my invention in which electricity is
employed instead of or in addition to gaseous or liquid fuel for obtaining the desired
heat. o electrodes. p conductors to dynamo or electric generator. Parts like those
in fig. 1 are denoted by the same letters.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed I declare that what I
claim is,
First. Heating metal substantially as setforth under the first part.
Second. The combination of a combustion chamber surrounded with refractory
material with apparatus for giving motion to the combustion chamber or to the metal
to be heated or both substantially as setforth.
Third. Constructing apparatus for heating with an extended hearth and with walls
of refractory material substantially in the manner and for the purpose setforth.
Fourth. Constructing apparatus for heating metal under iny invention so that the
products of combustion pass along the metal to be heated substantially as setforth.
Fifth. In apparatus for heating under my invention covering the hearth with
carbonaceous material for the purpose setforth.
Sixth. The combination of the beak a anvil f, hearth g, tuyere i, combustion
chamber j, walls k, and tube or metal e with apparatus for giving motion to the
parts i, j, or to the tube or metal e or both for the purpose setforth.
Dated this Sixth day of November 1888.