Improvements in the Manufacture of Armoured Hose Pipe and Machinery or Apparatus for Use in such Manufacture
Year: 1888

page_text: Improvements in the Manufacture of Armoured Hose Pipe and
Machinery or Apparatus for Use in such Manufacture
We, JAMES COMPTON MERRYWEATHER and CHRISTOPHER JOHN WALLACE JAKEMAN,
both of Greenwich Road, Greenwich in the County of Kent, Engineers do hereby
declare the nature of this invention to be as follows
-
According to this invention in the manufacture of armoured hose pipe by covering
suitable hose with metallic wire of any suitable section, we place the hose to be armoured,
-which may be of india-rubber and canvis in ples, or woven hose lined with rubber
or, where a light hose is required, of woven flax without a lining,-upon a mandrel of
suitable dimensions, mounted so as to be capable of rotary motion within a cylindrical
or conical matrix formed with a spiral groove of suitable pitch and of a depth less than
the diameter of the wire that is to constitute the armour The mandrel is provided
with holes near the end through which is secured the wire, which is led from a coil
round suitable rollers or guides By rotation of the mandrel, the wire is drawn tight
upon and spirally around the bose, the wire being drawn or stretched at its outer
part, and in this manner caused to grip and to retain its grip upon the hose ifter
passing through the apparatus
Usually the wire, before being wound as described upon the hose, is coated
with some suitable material, such as zinc, cooper, tin, or lead, to preserve it from
oxidation
According to another part of our invention, we cause the coil of wire and die to
rotate around the hose, and the armoured hose to be fed onto a drum, in this case
the mandrel before referred to can be dispensed with In armouring, in this manner,
light hose, in some cases we may use a flexible mandrel formed of tempered steel wire
of any suitable section, which will coil up with the hose, and can afterwards be
removed

page_text: We, JAMES COMPTON MERRYWEATHER and CHRISTOPHER JOHN WALLACE JAKEMAN,
both of Greenwich Road, Greenwich, in the County of Kent, Engineers, do hereby
declare the nature of this invention, and in what manner the same
performed, to be particularly described and ascertained in and by the following
statement
1s to be
According to this invention in the manufacture of armoured hose pipe by covering
suitable hose with metallic wire of any suitable section, we place the hose to be
armoured, which may be of india rubber and canvas in plies or woven hose lined with
rubber, or, where a light hose is required, of woven flax without a lining-upon a
mandril of suitable dimensions, mounted so as to be capable of rotary motion within
a cylindrical or conical matrix formed with a spiral groove of suitable pitch and of
depth less than the diameter of the wire that is to constitute the armour
mandril is provided with holes near the end through which 18 secured the wire,
which is led from a coil round suitable rollers or guides
The
By rotation of the mandril, the wire is drawn tight upon and spirally around
the hose, the wire being drawn or stretched at its outer part, and in this manner
caused to grip and to retain its grip upon the hose after passing through the
apparatus
Usually the wire, before being wound as described upon the hose, is coated
with some suitable material, such as zinc, copper, tin or lead, to preserve it from
oxidation
side
Figs 1 and 2 of the accompanying illustrative drawings are respectively
elevation and a transverse section of a machine for the manufacture of armoured
hose pipe as just referred to
1 is the hose pipe to be armoured, it is placed upon a mandril 2 that is mounted
at one end in a bearing 3 and cecured at its other end to a driver 4 to which
rotary motion is imparted by any suitable arrangement of driving mechanism, such as
the cone pulleys and toothed wheels 6 shown in the drawings The mandril is
formed with a hole at 7 in which one end of the wire 8 that is to constitute the
armour is secured 9 is a matrix of cylindrical or comical form, through which the
mandril and hose pipe pass This matrix is formed internally with a spiral groove
having a suitable pitch, and of a depth less than the diameter of the wire for the
purpose herein before mentioned
It is carried by a slide 10 which is advanced

page_text: along the bed 11 as the wire is coiled upon the hose pipe by the rotation of the
mandril which with the pipe and spirally coiled wire acts in relation to the matrix
or die after the manner of a screw acting to advance a nut
When long or slender mandrils are employed motion is communicated simul-
taneously to both ends of the mandril which at one end is actuated from the spindle 12
by the driver 4 and at the other end through the gear wheels 12", 12", 12°, shaft 13
and gear wheels 12ª, 12°, 12°
On completing the armouring of a length of hose pipe the wheel 12' with its
shaft 12, which is formed with a socket to receive the end of the mandril as indicated
in dotted lines in Fig 1 is withdrawn and permits the end of the mandril to be raised
above the bearing 3 when the hose pipe may be drawn off the mandril and coiled up
and another length substituted The socket portion of the shaft 123 is then pushed
upon the end of the mandril 2, the wheel 12 geared into 12" as before, the slide 10
Is brought back to the hole 7 in the mandril the wire secured therein and the machine
again started to armour the new length of hose pipe
The supply of wire is wound upon a reel 14 that is mounted to rotate in a bracket 15
carried by the slide 10, the wire being led from the reel to the matrix between suitable
rollers or guides 16 which constitute a tension device
According to another part of our invention we cause the coil of wire and die to
rotate around the hose, and the armoured hose to be fed on to a drum, in this case the
mandril before referred to can be dispensed with
This method of armouring is illustrated in Figs 3 and 4 of the drawings which are
respectively a longitudinal vertical section with parts in elevation and an end view of
a machine with a pipe and wire for armouring
In this case the wire reel 14 is loose
and the matix or die 9 is driven by a hollow spindle through which the hose pipe 1
drawn from a dram or reel 17 passes from the matrix or die to a receiving drum or
reel 18 The hollow spindle is driven from the cone pulley 5 by the toothed wheels 6
thereby causing the matrix or die 9 to tightly wind the armouring wire upon the
hose pipe and in this way to also advance the pipe through the die and hollow
spindle 16, 16, are rollers or guides for guiding the wire to the matrix or die 9.
In the arrangement of apparatus shewn in Fig 5 the supply drum shewn in
Fig 3 is dispensed with and the hose pipe to be armoured is supported by a wire
or cord 19 that is secured at one end to a fixed support 20 and at the other end
1s secured to short mandril 2* that is maintained within th it part of the hose
pipe for the time being surrounded by the die The mandril fits the hose pipe and
tends to move forward with it when the pipe is fed forward, but this tendency is
resisted by the wire or cord 19 In other respects the construction of this modified
form of apparatus and its mode of operation are similar to those of the apparatus
described with reference to Figs 3 and 4
In armouring, in this minner, light hose, in some cases we may use a flexible
mandril formed of tempered steel wire of any suitable section, which will cul up
with the hose, and can afterwards be removed
Such a mandrel is shown at 2 in Fig 6 which represents an apparatus which in
other respects resembles that shown in Fig 5
Having now particularly described and ascertained the nature of our sud inven-
hon and in what manner the same is to be performed we declare that we do
not claim broadly the armouring of hose pipe with wire but what we do claim is
-
1 Armouring hose pipe with wire substantially as and by the means hereinabove
described with reference to Figs 1 and 2 of the drawings annexed, using a driven
mandril in conjunction with a non-rotating matrix or die caused to advance in the
manner set forth
2 Armouring hose pipe with wire substantially as and by the means described with
reference to Figs 3 and 4 of the drawings annexed using a driven matrix or die
whereby wire is drawn from a reel and coiled around the hose pipe and such pipe
18 advanced in the manner set forth

page_text: 3 In armouring hose pipe with wire the use of a rotary matrix or die in conjunc
tion with a short mandril kept in place in the manner described with reference to
Fig 5 of the drawings
4 In armouring hose-pipe with wire the use of a rotary matrix or die in conjunction
with flexible mandril substantially as described with reference to Fig 6 of the
drawings
Dated this 6th day of March 1889
W LLOYD WISE,
46, Lincoln's Inn Fields, London, WC,
Agent for the Applicants