Apparatus for Use in Steam Boilers and in other Situations for Cleaning and Rivetting Purposes.
Year: 1887

page_text: Date of Application, 26th Oct., 1887
Complete Left, 25th Jan., 1888
Complete Accepted, 2nd Mar., 1888
PROVISIONAL SPECIFICATION.
Apparatus for Use in Steam Boilers and in other Situations for
Cleaning and Rivetting Purposes.
We, JOHN THOMAS BILLSON, of 124, Linskill Street, North Shields, in the County
of Durham, Marine Engineer, and WILLIAM COOPER, of Baltic Chambers, Newcastle-
on-Tyne, in the County of Northumberland, Consulting Engineer, do hereby declare
the nature of this invention to be as follows:-
As is well known the interiors of steam boilers are liable to become coated with
incrustation that greatly impairs their efficiency besides often causing parts to be
injured by the action of fire; and in the case of tubular boilers parts that are
liable to become so coated are difficult of access so that it becomes necessary
to employ boys within the boilers, an occupation that is sometimes attended
with danger. Similar difficulties arise also in some cases in rivetting parts of
boilers. Now this invention has reference to apparatus to obviate or mitigate these
difficulties, for which purpose the chipping hammer head or tool used for removing
scale, or the rivet head holder in the case of its being required to rivet, is carried by
a rod or lever that is supported by a universal joint carried by a bracket stand or
frame that can be readily fixed within the boiler. An arrangement for this purpose
comprises a slotted bar to which the bracket stand or frame can be secured by bolt
and nut; and bolts having heads of suitable form, such as a kind of T head, that can
be let down between two tubes, or stays, then rotated through about 90° so as to
bring each branch of the head under a tube or stay, and then the stem of the bolt
being through the slot of the before mentioned bar, a nut is screwed on so as to
secure the said bar, in readiness to receive at any required part of its length the
bracket or equivalent that carries the universal joint. In order that the distance of
the hammer head or operating tool from the universal joint may be readily adjusted,
it is convenient to form the rod or lever with a screw thread and to provide thereon
a nut or any equivalent arrangement may be substituted.
Apparatus such as described can be used also with advantage for cleaning parts of
the exteriors of vessels, and for other purposes of a similar nature.
Datad this Ofth dow of October 1887
W. LLOYD WISE,
46, Lincoln's Inn Fields, London, W.C.,
Agent for the Applicants.

page_text: COMPLETE SPECIFICATION.
Apparatus for Use in Steam Boilers and in other Situations for
Cleaning and Rivetting Purposes.
We, JOHN THOMAS BILLSON, of 124 Linskill Street, North Shields, in the County
of Northumberland, Marine Engineer, and WILLIAM COOPER of Baltic Chambers,
Newcastle-on-Tyne, in the County of Northumberland, Consulting 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:—
As is well known, the interiors of steam boilers are liable to become coated with
incrustation which greatly impairs their efficiency besides rendering them liable to
be injured in parts by overheating; and in the case of tubular boilers the parts which
are more particularly liable to become so coated are difficult of access for cleaning
purposes. Similar difficulties arise also in some cases in rivetting parts of boilers.
Now this invention has reference to apparatus designed to facilitate the removal of
incrustation from those parts of boilers which cannot readily be reached. The same
or similar apparatus is also applicable to cleaning other structures than steam boilers,
such for instance as navigable vessels, and also for holding up rivets which are being
fixed in rivetted structures. To this end the chipping hammer head or tool used for
removing scale, or the rivet head holder or dolly in the case of the apparatus being
applied to rivetting, is carried by a rod or. lever which is supported by a universal
joint mounted on a bracket stand or frame that can be readily fixed within the boiler.
An arrangement for carrying the bracket, stand or frame comprises a slotted bar to
which the said bracket stand or frame can be secured by bolt and nut or equivalent
contrivance and a cramp or clip (or cramps or clips) such for example as a kind
of T headed bolt, that can be let down between the tubes, or stays, to secure the bar
firmly in readiness to receive at any required part of its length, the bracket or equi-
valent that carries the universal joint. In order that the distance of the hammer head
or operating tool from the universal joint may be readily adjusted, it is convenient to
form the rod or lever with a screw thread, and to provide thereon a nut, or any
equivalent arrangement may be substituted.
÷
In the accompanying sheet of illustrative drawings-
Figs. 1 and 2 are elevations at right angles to each other and
Fig. 3 is a plan or top view of an apparatus according to this invention.
It is
shown provided with a chipping hammer or tool suitable for removing the incrus-
tition from the interior of a steam boiler but it will serve to hold any other
required tool.
Fig. 4 shows in elevation part of the rod or lever fitted with a holding up tool for
rivetting purposes.
Fig. 5 illustrates the application of the apparatus in a steam boiler part of which is
shown in longitudinal vertical section.
Fig. 6 is a detail of the apparatus.
Referring to Figs. 1 to 3-1 is a chipping hammer head or tool for removing scale
or incrustation; it is formed with a chisel edge at each end, the two chisel edges

page_text: being arranged at right angles to each other. The handle or shank 2 of the tool is
secured by screws 2* to a lever or rod 3 which has at one end a suitable device such
as a socket for securing a hammer head or other tool. The said rod or lever is also
formed with a screw thread around it for a portion of its length, and on this thread is
a nut 4-5 is a ring pivotted at two opposite parts of its circumference to a fork 7
which is pivotted to a bracket 8. The ring 5 and fork 7 together form a gimbal or
universal joint adapted to suspend the rod or lever 3 by means of the nut 4 which
partly enters and partly rests upon the ring 5 (see Fig. 6). 9 is a slotted bar to
which the bracket 8 is, when required, connected by a bolt 10 and nut 11. This
bolt. 10 is formed with a squared or equivalent part 12 which can be slidden in the
slot of said bar 9 when the nut 11 is loosened, to adjust the position of the bracket 8.
When it is required to use the apparatus as for example, in cleaning a boiler, the
slotted bar 9 is fixed in the boiler in any suitable manner, such as that illustrated, in
which 13 is a bolt formed with a kind of T head 13 that can he let down between
the stays or tubes 14 (shown in dotted lines in Fig. 1) and then partially rotated
(through about 90°) so as to bring each branch of said T head under one of the tubes
or stays. The bar 9 can then be placed over the stem of the bolt 13 and the two be
secured to the stays or tubes by a nut 15 being screwed on to the bolt. The bar 9
will then be ready to receive the bracket at any required part of its length.
After the apparatus has been fixed in place the chipping hammer or tool can be
operated by hand through the rod or lever 3 which by reason of its heing suspended
from a universal joint can be moved in any desired vertical planes according to the
locality of the part of the boiler to be operated upon. Dy providing the rod or lever 3
with screw thread and a nut as in the example shown (or the equivalent thereof)
the distance of the tool from the universal joint can be readily adjusted according to
requirement.
In Fig. 4, 1 is a holding up tool for rivetting purposes; it is held up to its work
by pressure applied to the upper part of its rod or lever 3.
In Fig. 5 the slotted bar 9 is secured to two of the screw stays of the boiler with
the tool 1 between the inside of the shell of the boiler and the combustion chamber
back in position for cleaning the latter.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim in apparatus for use in steam boilers and in other situations for cleaning and
rivetting purposes, is :-
1. A rod or lever holding a tool and supported by a universal joint carried by a
bracket stand or frame that can be readily fixed in position substantially as herein-
before described.
2. The combination of a rod or lever carrying a tool and supported by a universal
joint, a bracket stand or frame carrying the said universal joint, a slotted bar, and
a cramp or clip for fixing the said bar to the structure substantially as described.
3. We also claim the improved apparatus for use in cleaning and rivetting steam
boilers and other structures substantially as herein before described with reference to
and shown in the drawings annexed.
Dated this 23rd day of January 1888.