Improvements in Building Blocks.
Year: 1896

page_text: Date of Application, 30th Mar., 1896
a
4000
6th Cob
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PROVISIONAL SPECIFICATION.
Improvements in Building Blocks.
CHARLES WALL, Builder and Contractor, Ashburnham Works, Lots Road,
Chelsea, London, S.W. do hereby declare the nature of this invention to be
An Ashlar Block for Walling constructed as follows:-
A box or mold is made of a size and shape as desired and as suitable for the
special requirements of each building. My facing blocks with grooves on the top
and bottom edges are of different thickness in alternate courses say for example
one inch thick in one course and two inches thick in the courses immediately above
and below it, however I do not bind myself to these thicknesses, but the blocks
may be of any face size or thickness desirable.
Special blocks may be made for quoins and molding and other ornamentation.
These blocks are placed in their proper positions face downward in the box and
stock bricks or other suitable backing material placed in the box on top. Cement
and sand mixed with water to a weak consistency is theu poured in to fill up all
the interstices and the whole is immersed in water aud allowed to set.
The block is then removed from the mold and is ready for building purposes.
Dated this Twenty-eighth day of March 1896.
CHARLES WALL Builder and Contractor Ashburnham Works Lots Road
Chelsea London S.W. 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 :-
My invention consists of a block for building purposes constructed as follows:-
A box or mold is made of a size and shape as desired and as suitable for forming
the blocks in accordance with the ordinary and special requirements of various
portions of buildings such as tunnels, bridges arches, retaining walls, parapets,
culverts sewers, window & door reveals, pilasters friezes, cornices, strings, molded
work generally and the like.
My facing fractions, of which examples are shewn on the drawing A, B, C & D
and which may be of any material such as stone, bricks tiles cements and the like
and having grooves (a) either stopped or continued on the top and bottom edges
are of different bed thicknesses in alternate courses say for example one inch thick
in one course (fraction A) and two inches thick in the courses immediately above
and below it (fraction B) and I find that 7 inches by 3 inches would be a
convenient face size for these fractions however I do not bind myself to these
thicknesses and sizes but the facing fractions may be of any face size thickness or
Cu
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page_text: shape desirable, special fractions may be made for quoins (fraction C), moldings
and other ornamention and the like.
The facing fractions are placed in their proper positions face downwards in the
box or mold and bricks of a quality to insure solidity and weather exclusion or any
other backing material (E in drawing) suitable for taking intended load or pressure
placed in the box as backing to make out the block to the desired bed thickness.
Cement and sand mixed with water to a proper consistency (F in drawing) are
then poured in to fill up all the interstices. The back surface of the block is then
finished off smooth or if preferred may be left rough to receive a setting coat of
plaster or of any description of cement and the like. The whole is then immersed
in water and allowed to set, after which the block may be removed from the mold
and is ready for building purposes.
In the accompanying drawing
Fig. 1 shews an isometrical projection of a portion of a wall built of my building
blocks. The thick black lines shew the mortar joints where two blocks abut on one
another in the built up wall.
Figure 2 is a section of a block for a wall 4 inches thick.
Figure 3 is a section of a block for a wall 9 inches thick and
Figure 4 is a section of blocks for a wall 134 inches thick and faced both sides
with my facing fractions A and B.
On an enlarged scale I shew plans and vertical sections of examples of my facing
fractions A, B, C, and a bullnose fraction D. These are used as shewn by the
reference letters A, B and C in Figures 1, 2, 3 and 4. E is the backing material
and F is the matrix of cement and sand mixed with water.
(a) are the grooves on the top and bottom edges of the fractions which can be
either stopped as shewn or continued if desired.
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 block for building purposes with a face made up of special fractions made of
brick, stone, tiles, cement and the like and a backing of bricks or other suitable
material and with a matrix of cement and sand mixed with water to a proper
consistency.
Dated this 24th day of November 1896.
CHARLES WALL,
Ashburnham Works, Lots Road, Chelsea, S. W.