IMPROVEMENTS IN THE MANUFACTURE OF DOOR AND OTHER MATS, TREADS OF STAIRCASES FLOORING AND OTHER SIMILAR WEARING SURFACES to bo as follows:
Year: 1884

page_text: PROVISIONAL SPECIFICATION.
I JOSEPH WHITELEY of Clowes Street Works, Chapel Street, Salford, in the
County of Lancaster, General Pattern Maker do hereby declare the nature of my
said invention of "IMPROVEMENTS IN THE MANUFACTURE OF DOOR AND OTHER
MATS, TREADS OF STAIRCASES FLOORING AND OTHER SIMILAR WEARING SURFACES
to bo as follows:
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The object of this invention is to construct mats, treads of staircases flooring and
other similar rubbing, and wearing surfaces by a combination of metal and india-
rubber or other suitable elastic or wearing material whereby, a cheaper, wearing
surface than and possessing all the properties of the india rubber mats now in use
can be produced.
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In carrying out my invention I employ a grating of malleable-cast-iron, cast-iron
brass or other suitable metal and I fill in the perforations with india-rubber in the
plastic state after which the metallic plate is placed in the vulcanising pan when
the expansion of the india-rubber-during the vulcanising process serves to secure
the blocks in position. I find it convenient in practice to place or lay two of the
perforated metallic plates' together and to fill in the perforations in both plates
(which are of any desired pattern and suitably undercut or bevelled) with plastic
india-rubber-the top plate being then removed the projecting india-rubber sections
so produced in and, upon the lower plate are vulcanised and so become secured in
position and are all of one length or height from the metal-or I employ india-
rubber blocks or utilise the waste india-rubber punchings produced in the manu-
facture of ordinary india-rubber mats. These india rubber blocks are forced into
position by means of a suitable press consisting of a thin métal hopper into which
the block is first introduced and then by means of screw or other pressure is forced
through into the perforation in the metal grating below and 'thus is secured in
position, but so as to project a suitable distance on one or both sides of 'the grating
to serve as the wearing surface. The india-rubber may project more or less over
the surface of the grating so as to give a better rubbing action. The grating which
is capable of being made of any design can also be jointed, dove-tailed.or laid
together in sections and may be screwed down if required.
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page_text: As a modification of my invention I also take india-rubber strips and bind them
in parallel rows by inserting between them intervening pieces of wood or other
material suitably grooved for the purpose and screwing or hinging the whole
together the india-rubber strips in this case project above the wood or other
material and thus constitute the wearing surface or metallic rods or tubes may be
employed as the intervening media.
I JOSEPH WHITELEY of Clowes Street Works, Chapel Street, Salford in the
county of Lancaster, General Pattern Maker, do hereby declare ithe nature of my
invention of "IMPROVEMENTS IN THE MANUFACTURE OF DOOR AND OTHER MATS,
TREADS OF STAIRCASES, FLOORING AND OTHER SIMILAR WEARING SURFACES, and
in what 'manner the same is to be performed to be particularly described and
ascertained in and by. the following statement:-
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The object of this invention is to construct'mats treads of staircases flooring and
other similar rubbing and wearing surfaces by a combination of Metal and India-
rubber blocks as hereinbefore described whereby a cheaper wearing surface than
and possessing all the properties of the India-rubber mats now in use can be
produced. On the accompaning drawing Fig 1 represents a plan view and Fig 2
a sectional view of my improved mat or wearing surface of combined metal and
india-rubber or other similar Elastic material.
In carrying out my invention I employ a grating a of malleable-cast-iron, cast-
iron, brass or other suitable metal as seen separately in sectional view Fig 3, and in
which grating perforations or holes b are cast or otherwise formed I fill in these
perforations, or holes with india-rubber-blocks.c after which the grating is placed
in the vulcanizing pan and subjected to the vulcanizing process-the expansion of
the india-rubber during the process, serving to secure the said blocks c in position.
I find it convenient in practice to place or lay two of the perforated metallic
plates or grating a together as seen in sectional view Fig 4 and to fill in the per-
forations or orifices 6 which come opposite each other (and which may be of any
desired, pattern and be undercut or suitably bevilled) with plastic india-rubber.
The top plate being then removed the india-rubber sections or blocks so moulded
and produced in the lower grating (and which blocks project beyond the surface by
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page_text: virtue of the removal of the top grating) are then vulcanized and so become secured
in position and are then all of one height or projection above the surface of the
metal.
The india-rubber may project more or less over the surface of the grating so as
to give a better rubbing action and may project on both sides of the grating if it
be desired to make the same reversible. The grating which it is apparent is
capable of being made of any design and with various forms of perforation can also
be jointed, dovetailed, or laid together in sections and may be screwed down if
required.
In my Provisional Specification I described other modes of securing the india-
rubber blocks in position in the grating and also a mode of securing india-rubber
strips between intervening pieces of wood but as these are included in the Specifi-
cation of Letters Patent No 9207 granted to me on the 19th day of June 1884
I hereby disclaim the same in my present application.
Having thus particularly described and ascertained the nature of my inven-
tion and in what manner the same is to be performed I declare that what
I claim is
1 The improved manufacture of door or other mats, treads of stair-cases, flooring
and other similar wearing surfaces substantially as hereinbefore described.
2nd The improved combination of perforated metal plates or gratings and india-
rubber or other suitable blocks and mode of securing the same in position by the
vulcanizing process substantially as and for the purposes hereinbefore described. .
100K
JOHN G. WILSON,
Agent for Applicant,