Improvements in and relating to Wire-drawing Apparatus.
Year: 1889

page_text: Date of Application, 4th June, 1889
Complete Specification Left, 4th Mar., 1890-Accepted, 3rd May, 1890
PROVISIONAL SPECIFICATION.
Improvements in and relating to Wire-drawing Apparatus.
I, GEORGE CHRISTIE of 55 Ladywell Street, in the City of Glasgow, Wire
Manufacturer, do hereby declare the nature of this invention to be as follows:-
According to this Invention brass, copper, iron or other wire is drawn in a con-
tinuous manner through a series of dies at a speed which gradually decreases
as the wire is reduced instead of as usual at an increasing speed and lubrication and
cooling of the wire is automatically effected as the wire passes from die to die. The
improved apparatus employed in carrying out the invention consists of a trough or
vessel in which is placed the lubricant or cooling liquid and over which are carried a
series of die bearers at suitable intervals of space apart the sizes of the dies with
which the bearers are fitted being such as to gradually reduce the wire passing
through from the first to the last of the series. Intermediate between the several die
bearers are situated flanged wheels or "blocks" composed preferably of glazed ware or
glass partially immersed in the contents of the trough and carried on spindles passing
out through the trough and driven by bevel or other gearing from a rotating shaft
the gearing being so arranged as to effect the driving of the wheels or "blocks" at
speeds which gradually lessen from that of the wheel or block situated between the
first pair of dies to that situated between the last pair.
In the operation of the apparatus the wire starting from the usual reel passes
through the first hole or die on to the first wheel or block round which it goes one
turn then next through the trough and second die to the second block round which it
passes one turn again and so on from block to block until it reaches the desired size.
The speed of drawing is in a decreasing ratio from the first block to the last or
finishing one whilst each block before the last is not merely a carrier but a draw-
block, slip in the wire passing from block to block being provided for by using blocks
of glazed ware or glass.
Dated this Third day of June 1889.
CRUIKSHANK & FAIRWEATHER,
62, Saint Vincent Street, Glasgow, Agents.
COMPLETE SPECIFICATION.
Improvements in and relating to Wire-drawing Apparatus.
We, ALEXANDER MACDOUGALL residing in Abercromby Terrace, Paisley Road
West Glasgow, ELIZABETH DUNSMORE or CHRISTIE residing in 343 Duke Street
Glasgow known as Mrs. Christie and ALEXANDER WATT Writer Glasgow Trustees and
Executors of the late George Christie Wire Worker, Glasgow appointed by and
acting under his Trust Disposition and Settlement dated 22nd June 1889 and recorded
in the Books of Council and Session 12th September of same year 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 :―
According to this Invention brass, copper, iron or other wire is drawn in a
continuous manner through a series of dies by draw blocks running at a speed which
gradually decreases as the wire is reduced instead of as usual at an increasing speed
and lubrication and cooling of the wire is automatically effected as the wire passes
from die to die. The improved apparatus employed in carrying out the invention,
and which is illustrated in sectional elevation and plan respectively at figures 1 and 2
of the accompanying drawings, consists of a trough or vessel A in which is placed
the lubricant or cooling liquid and over which are carried a series of die bearers B at
Price 6d1

page_text: suitable intervals of space apart the sizes of the dies with which the bearers are
fitted being such as to gradually reduce the wire passing through from the first to the
last of the series. Intermediate between the several die bearers B are situated flange
wheels or "blocks" C composed preferably of glazed ware or glass partially immersed
in the contents of the trough and carried on spindles c passing out through the
trough and driven by bevel or other gearing D, E from a rotating shaft F, the sizes
of the several bevel wheels of the gearing being such as to effect the driving of the
wheels.or
"blocks" C, at speeds which gradually lessen from that of the wheel or
block situated between the first pair of dies B to that situated between the last pair.
In the operation of the apparatus the wire starting from the usual reel G passes
through the first hole or die b on to the first wheel or block Cround which it goes
one turn then next through the trough A and second die 6 to the second block C
round which it passes one turn again and so on from block to block until it reaches
'the desired size. From the last of the series of dies the wire is wound to the usual
drum H, which is driven by gearing I from a shaft J geared to the shaft F.
The speed of driving is in a decreasing ratio from the first block to the last or
finishing one whilst each block before the last is not merely a carrier but a draw-
block, slip in the wire passing from block to block being provided for by using
blocks of glazed ware or glass.
As shewn several dies and blocks may be mounted over one trough and operated
from the same gear to draw a number of wires simultaneously.
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 combination of parts constituting the improved wire drawing apparatus
hereinbefore described.
2. In wire drawing apparatus the arrangement of the draw-blocks to rotate in
_succession at a gradually decreasing speed, substantially as described.
Dated this Third day of March 1890.
CRUIKSHANK & FAIRWEATHER,
62, Saint Vincent Street, Glasgow, Agents.