Improvements in Picking Buffers or Blocks Employed in Looms for Weaving.
Year: 1899

page_text: Date of Application, 11th
July
1000
Complete Specification Left, 11th Apr., 1900- Accepted, 12th May, 1900
Complete Specification Left, 11th Apr., 1900-Accepted, 12th May, 1900
PROVISIONAL SPECIFICATION.
Improvements in Picking Buffers or Blocks Employed in Looms
for Weaving.
We, LEWIS BROOK and MICHAEL FRANCE, of the Firm of Brook and France,
of Island Works, Milnsbridge, near Huddersfield, in the County of York, Pack-
inig Makers, do hereby declare the nature of this invention to be as follows:
This invention refers to buffers or cushions, or blocks employed in looms for
weaving for arresting the motion of the picking sticks after picking the shuttles
out of the shuttle, boxes. These buffers or cushions are secured to the loom.
side in a position to receive the impact of the picking sticks after performing
their duty and, heretofore, they have been made of india rubber wliose elasticity
or yielding property deadens the blows and reduces the force of concussion by
absorption. The use of blocks of india rubber is however disadvantageous by
reason of the rapid wear or crumbling away of the rubber under the repeated
blows of the picking sticks and consequently, after a very short time the blocks
are rendered worthless and have to be removed and new ones substituted therefor,
this entailing considerable expense in maintenance and cost of renewals.
The primary object of our present invention is to provide a buffer or cushion
which, while possessing the qualities of india rubber in respect of absorption
of concussion and elasticity, will withstand for a much longer period the blows
of the picking stick thereon and therefore outlast in life and usefulness several
of the present india rubber blocks.
For the purpose of our invention we preferably wrap or roll tightly around
a core of india rubber a length or lengths of canvas or other suitable fibrous.
material solutioned on one or both sides. After the block has been built up to
the size and shape required it is vulcanised in the ordinary method of vulcanisa-
tion and, when properly cured, forms a solid or integral elastic or yielding buffer
or cushion which, being to a given extent, or wholly, built up of canvas or the
like offers stout resistance to wear under the blows of the picking stick and yet
absorbs concussion quite as readily and as effectually as a plain india rubber
block and answers the purpose equally as well. The block or buffer may be built
up of layers of canvas or the like either with or without a core or base of india
rubber and subsequently vulcanised. The amount of solution applied to the
canvas or fibrous material may be varied, if required, to any suitable extent
to give varying thicknesses or layers of rubber between the layers or folds of
fabric.

page_text: .
· Improvements in Picking Buffers or Blocks Employed in Looms
for Weaving.
We, LEWIS BROOK and MICHAEL FRANCE, of the Firm of Brook and France,
of Island Works, Milnsbridge, near Huddersfield, in the County of York, Pack-
ing Makers, 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:-
This invention refers to buffers or cushions or blocks, employed in looms
for weaving for arresting the motion of the picking sticks after picking the
shuttles out of the shuttle boxes. These buffers or cushions are secured to the
sides of the loom in a position to receive the impact of the picking sticks after
performing their duty, and, heretofore, they have usually been made of india
rubber whose elasticity or yielding property deadens the blows and reduces the
force of concussion by absorption. The use of blocks of india rubber is, however,
disadvantageous by reason of the rapid wear or crumbling away and splitting of
the rubber under the repeated blows of the picking sticks and consequently,
after a short time, the blocks are rendered worthless and have to be removed and
new ones substituted therefor, this entailing considerable expense in maintenance
and cost of renewals.
The object of our invention is to provide a buffer or cushion which, while
possessing the qualities of india rubber in respect of absorption of concussion
or vibration and elasticity, will withstand for a much longer period the blows
of the picking stick thereon, and therefore, outlast in life and usefulness several
of the present india rubber blocks.
For the purpose of our invention, we preferably wrap or roll tightly around
a core or base of india rubber a length or lengths of canvas or other suitable
fibrous material solutioned on one or both sides. After the block has been
built up to the size and shape required it is vulcanised in the ordinary method
of vulcanisation and, when properly cured, forms a solid or integral block or
cushion of india rubber and canvas, equally as elastic or yielding as the ordinary
india rubber blocks and capable of offering, stout resistance to wear and tear
under tlie blows of the picking stick.
i
Referring to the accompanying drawings illustrating our invention ; —
Fig. 1 is a perspective view of a picking stick buffer or cushion made according
to our invention, and;
Fig. 2 is end elevation of same.
In the drawings letter a represents the core or base of india
rubber, and the canvas or other like suitable material
covered' on
or
:
one ог both sides with
coated
which, after being
elastic composition
ΟΙ rubber solution to any desired
thickness, is rolled or wrapped
around the base or core a in any convenient manner to give a depth
or thickness of section on all sides suited to the size and shape of block required
when completely finished. The block or buffer thus built up is then subjected
to pressure and vulcanised or cured in the ordinary way of vulcanising or curing
rubber. Finally we apply to all four sides of the block, a thin level solution
of rubber which is subsequently vulcanised and gives an entire outer covering or
casing of india rubber and a neat finish to the block. The block is made in one
long length from which several buffers or cushions can be cut off.
In combining canvas or equivalent material with india rubber in a plastic
state or solution and then vulcanising or properly curing the rubber to unite the

page_text: whole in one solid or integral block, a cushion or buffer is obtained which, we
find, offers stout resistance to wear and tear under the repeated blows of the
picking stick and yet absorbs concussion or vibration quite as readily and as
effectually as a plain solid india. rubber block.
The buffer or cushion may be built up of layers of canvas or other equivalent
material solutioned on one or both sides, as above, either with or without a core
or base of india rubber, as may be preferred, or found best suited to any parti-
cular work. The amount of solution or plastic rubber applied to the canvas or
other material may be varied to any suitable extent to give varying thicknesses
of rubber between the layers or folds of fabric.
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 is:--
The herein described picking stick buffer or cushion for arresting the motion or
receiving the impact of the picking sticks in picking the shuttle across the
loom, comprising canvas or equivalent material and india rubber combined built
up and united into one solid integral whole by vulcanisation or curing of the
india rubber substantially as set forth.
Dated the Ith day of April 1900.
TASKER & CROSSLEY,
Patent Agents, Huddersfield, Agents for Applicants.