Improvement in the Construction of Lubricating Dies for Making Bricks, Tiles, or Blocks.
Year: 1898

page_text: Improvement in the Construction of Lubricating Dies for Making
Bricks, Tiles, or Blocks.
be as
WILLIAM WOOD, Engineer, No. 3, Bridlington Street, Armley, Leeds, in the
County of Yorkshire, do hereby declare the nature of this invention to
follows:
J
I provide a very shallow lubricating mouthpiece to attach to the pug mill or brick
machine. I use this shallow mouth-piece to avoid the heating of the whole body of
the die. When being lubricated by steam thus avoiding the shelling off of the slip,
or thin facing of clay formed on the faces of the column of clay before leaving the die.
Also for keeping the quality on the faces of the bricks tiles or blocks when cut. I
provide a shallow lubricating groove all round the mouthpiece.
This groove is
provided with suitable pipes with taps, one as an inlet the other for an exhaust pipe
the exhaust pipe.being used to modify or regulate the pressure on the clay when
lubricated with steam in this case if the exhaust pipe is not used and the steam
pressure is on however light or strong. The irregularity of the clay passing through
the die causes the die to be uncertain of working satisfactorily the exhaust pipe is
also used. for flushing or cleaning the lubricating spaces out with the steam pressure..
When lubricated with oil or water I provide in this mouthpiece so that the clay can
be lubricated on the corners only, or the corners and sides or all round by perforating
the metal into the lubricating groove hereinbefore mentioned without useing loose
plate covers. I make provision to attach a renewal die. This die is provided with a
lubricating groove. but of larger dimensions than the lubricating groove in the mouth-
piece hereinbefore mentioned this groove is provided for useing oil or water as lubricant
steam being used when required for flushing out and cleaning lubricating spaces.
This die is also provided with inlet and outlet pipes and taps for lubricating flushing
and cleaning. This die is also provided to receive renewal plates in the front these
plates are scalloped out for the lubricant to flow on the clay as required.'
Dated this day of September 22nd 1898.

page_text: COMPLETE SPECIFICATION.
Improvement in the Construction of Lubricating Dies for Making
Bricks, Tiles, or Blocks.
I, WILLIAM WOOD, late of No. 3, Bridlington Street, Armley, Leeds, in the
County of Yorkshire, Engineer, and now residing at No. 35, Hero Street, off Hawtborn
Road, Bootle, Liverpool, 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 object of my invention, is to construct an improved die, to have a more
effectual way of treating the clay as it is delivered from the pug mill; or equivalent
of any class of brick making machine, and for it working satisfactorily.
The usual method of arranging the mouthpiece, or die, is to lubricate the body of
clay as it passes through the die, or perforated box covered with fustian, in which
water, or other lubricant is introduced. This method has many disadvantages, that
we will not stop to inquire into.
The principle one has been to cause the clay delivered from the die, to emerge
with edges more or less cracked, and ragged. Besides saturating the clay to such an
extent, that the bricks take more drying, and of course, are liable to get out of shape,
in transit from the cutting table to the stacking, or drying ground.
In order that the improvements in my invention may be better understood,
reference is made to the accompanying drawings.
Fig. 1 is front elevation of an improved shallow lubricating mouthpiece A.
Fig. 2 is side elevation, of a shallow mouthpiece, and a renewable die, half in
section on line A.
Fig. 3 is front elevation.
Fig. 4 is plan of the shallow mouthpiece, and renewable die, half in section on
line A.
My improved die is made as follows:-
I attach to the front of the pug mill, or brick machine, a shallow lubricating
mouthpiece A Fig. 1 which I prefer to construct in one piece. This mouthpiece is
constructed to attach a renewal die B Fig. (2-3-4). The interior of the mouthpiece A;
Fig. 1 is made of peculiar form; and at the place where the angles of the bricks
come, I cause the interior to be made with tapered converging sides and rounded
angles as shown in Fig. 1, which is a view looking through front. This is for the
purpose of allowing the clay to gather to a larger extent, at the corners than the
centre. In this mouthpiece I place my improved lubricating arrangement, which is
made in the following way :-
I provide a shallow passage (c) Fig. (1-2--4) all round the mouthpiece. This
passage is fitted with suitable pipes and taps, (D) Fig. (1-2-3-4) one as an inlet;
the other for an exhaust.
I provide in this mouthpiece, so that the clay can be lubricated through the
slots (E) Fig. (1-2-4) on the corners only, or the corners and sides, or all round, by
perforating the metal into the lubricating passage (c) Fig. (1-2-4), without using
loose plate corners; I attach to the mouthpiece A, Fig. 1, a renewal die (B)
Fig. (2-3-4). This die is provided with a lubricating passage, but of larger
dimensions, than the lubricating passage in the mouthpiece A Fig. (1). This die
is provided with inlet, and outlet pipes, and taps, F Fig. (2-3-4) for lubricating
and exhaust. This die is also provided to receive renewal plates (G) Fig. (2-3—4).
These plates are scalloped for the lubricant to flow on to the clay.

page_text: 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 general construction and arrangement of parts, forming a brick making die,
substantially as herein described and illustrated.
2. A mouthpiece, and die, round about which, is constructed lubricating passages,
substantially as herein described and illustrated.
3. A mouthpiece,, and die, with tapered converging sides and rounded angles,
substantially as herein described and illustrated.
4. A mouthpiece, and die, supplied with regulating, and exhaust taps, substantially
as herein described and illustrated.
Dated this 20th day of Inns 1900
WILLIAM WOOD.
Applicant.