Improvements in and connected with Sliver Cans, and Driving Mechanism for Use therewith.
Year: 1894

page_text: Date of Application, 27th July, 1894
Complete Specification Left, 26th Apr., 1895—Accepted, 1st June, 1895
PROVISIONAL SPECIFICATION.
Improvements in and connected with Sliver Cans, and Driving
Mechanism for Use therewith.
I, GOTTFRIED MEYER, of Solothurn, Switzerland, Engineer, do hereby declare
the nature of this invention to be as follows:-
This invention has for its object to enable the sliver passing from a carding,
combing or drawing machine to be filled into and discharged from a sliver can in
such a manner that it shall not be drawn or dragged during the filling ant
discharging of the can; that the top of the sliver in a can shall always be on a
level with or above the top edge of the can, both during the filling and the
discharging of the can; and that the capacity of the sliver can shall be increased
to the maximum extent by the employment of a considerable and approximately
constant pressure during the filling of the can.
These objects are effected chiefly by constructing the sliver can of annular form,
that is to say, the can, in addition to the outer casing or shell, is provided with an
inner hollow core, in the centre of which there is a screw which serves to move an
annular piston, carrying the sliver, in a downward direction, whilst the can is being
filled, and in an upward direction when the can is being discharged. The can is
rotated in one direction during the filling, and in the opposite direction during the
discharging operation. The sliver or slivers-for there may be even two or more
slivers may enter and leave the can tangentially. The ratio between the angular
velocity of the can and the exactly constant middle inlet or outlet radius is made
such that the sliver will not be "drawn " either during the filling or the discharging
operation.
In the accompanying drawings s
:-
Fig. 1 shows in central vertical section, looking in the direction of the arrow a
Fig. 11, a sliver can according to this invention in combination with the appurtenaḍt
parts of a drawing machine for filling in the sliver.
Fig. 2 is a horizontal section through the can on the line ab Fig. 1.
Fig. 3 is a front elevation of the upper part of Fig. 1,
Fig. 4 is a plan of the same.
Fig. 5 is a cross section on the line c d of Fig. 4, taken through the framing of
the machine, the can and of the inlet apparatus being shewn in side elevation.
Fig. 6 illustrates the inlet ring with the can in plan.
Fig. 7 shows in vertical section at right angles to the axis of the drawing
machine the upper portion of a screw sliver can in combination with the appurtenant
parts of a drawing machine which serve for drawing off the sliver,
Fig. 8 is a plan of the same.
Figs. 9 and 10 are diagrammatic views illustrating in elevation and plan
respectively an arrangement for driving the cans before and behind the drawing
machine.
Fig. 11 is a diagrammatic view showing in plan, a general arrangement of a
drawing machine working in combination with screw cans.
In Figs. 1 to 8, as in the arrangement illustrated in Fig. 11, each of the cans A
delivering the sliver, contains two slivers which are delivered to the drawing
machine in a direction at right angles to the axis thereof, that is to say in the
direction of the draught, whereas the cans B receive the slivers, after the completion

page_text: But the direction in which the shivers are delivered or received may be varied as
desired in each particular case.
The outer shell of the can is stiffened at the top by means of a ring, and is fixed
at the bottom to the base (Fig. 1), as is also the inner shell which however extends
entirely round only at the bottom, and is provided from the top edge of the bottom
flange to the top with a number of slots Ċ (Fig. 2) in which the arms or limbs of
a cross-piece D engage. The said cross-piece carries the annular piston E, and is
itself carried by means of a nut F on a screw spindle G which is supported in the
foot-step H. By means of the supporting-piece I the base of the can and
consequently the entire can, is mounted on the spindle G in such a manner as to be
capable of rotating independently of the spindle. The spindle is rotatably held at
the top by means of a piece K which is fixed to the inner core and also forms the
lower portion of the claw-coupling or clutch K' K', and also carries the dog or
carrier L (Figs. 1 and 6).
The hereinbefore described parts, together with a spiral spring M, the office of
which will be hereinafter described, a running axle N and running rollers Q
constitute the portable or movable portion of the apparatus. The comparatively
great weight of the can renders it advisable for the sake of convenience in
transporting the same, to put the can on a small car or truck, or to furnish the can
with running rollers as shown in Figs. 1 and 5, so that the can may be moved along
after the manner of a wheelbarrow.
The stationary devices connected to the drawing, combing or carding machine,
for filling the slivers into the can, are shown in Figs. 1, 3, 4, 5 and 6. The upper
balf of the claw clutch K¹ K², with the sleeve k, receives its motion through the
toothed gearing P3 P4 or gearing P¹ P' from the shaft P1, and transmits its rotary
motion, when the clutch K K is in gear, to the can which rotates in the direction
of the arrow f (Figs. 2 and 6). The spindle provided with a dog or carrier L²,
is rotated by means of the toothed gearing R¹ K² (it may be bevel gearing if
desired), from the longitudinal shaft r, which, when the dogs L' L' are in gear,
transmits to the screw spindle G a rotation also in the direction of the arrow f1, the
angular velocity of the spindle being however slightly smaller than that of the
can. By this arrangement as the nut F carried round by the pin d connecting it
with the cross-piece D, shares the rotation of the can, and therefore has a motion
slightly in advance of the screw, the nut will move slowly down the screw spindle
carrying with it the cross-piece D and the piston E with the sliver resting cn top
of the latter until the can is full of sliver. The cross-piece can descend until it
rests upon the inner bottom flange of the cau. The nut can descend somewhat
further until the screw thread has passed out of it. The nut then remains on the
smooth or unscrew threaded neck portion g', until the relative motion of the can
and the spindle is reversed, whereupon the nut, which is pressed upward by the
spiral spring M, becomes re-engaged by the tail end of the screw thread, and is
again raised, and then imparts its ascending motion to the cross-piece, the piston
and the sliver.
The machine framing has bolted to it an annular cover T' having a polished
under-surface formed with two slots t¹ having curved or inclined edges (Figs. 1, 3, 4, 5
and 6) through which the slivers delivered by the two pairs of pressing
rollers U1 U and U³ U, enter and lay themselves upon the sliver which is alrea ly
in the can and is rotating with the latter, the said slivers slipping under the curves
or inclined edges of the slots and under the cover T¹. There, the slivers together
with the material already filled in, is subjected to pressure produced by the
relatively slow descent of the piston, said pressure being capable of being varied
as desired by suitably varying the speed of the screw spindle. With the object of
effecting a uniform distribution of the slivers in the can, the supply passages V,
(Figs. 3 and 4) may have imparted to them from the shaft r, an oscillatory motion
in the direction of the arrows v', by arranging, for instance, on the said shaft, an
elliptical cam to work in a collar-ring attached to the rod v³.
During the filling-in of the slivers, the can is supported by the outer journals

page_text: of the running axle in bearings W which are suspended by rods w and chains 'W",
and are guided vertically on bolts w¹ (Fig. 1).
When the piston has reached its bottom position, the machine is stopped,
preferably automatically. Then the pawl X (Figs. 3 and 4) is placed out of gear,
and a crank handle, which is mounted on one of a pair of connected shafts to
which are fixed the rollers upon which the chains ware wound, is turned back,
whereby the can is lowered until the running rollers rest on the ground. In the
meantime, the two halves of the clutch K' K2, and the two dogs or carriers L'
and L2 will have moved out of engagement, and the top end or journal y¹ of the
screw spindle will have moved out of the cavity of the step y, so that the can
can now be removed without hindrance.
The stationary devices (Fig. 7 and 8) serving to discharge the can, are also
provided with a hoisting device by means of which the can is supported and raised
until the journal y₁ has entered the step y2 and has thus centred the can, the two
halves of the clutch K K and the dogs L L have engaged with each other, and
the pawl X has been thrown into gear. A movable cover T3, which is provided
with two slots t² similarly to the fixed cover T¹ and through which the slivers can
pass out, rests on the slivers the top level of which is slightly above the edge of
the can, so that all jamming of the issuing slivers against the outer and inner edges
of the can, is prevented. The machine is now started, that is to say, the can is set
in rotation in the direction of the arrow f' (Fig. 8) by means of the claw
clutch K K which is actuated from the shaft p through the skew bevel
gearing p p, the said direction of the arrow f' being the reverse of that of the
filling in operation, so that the slivers pass out through the slots t² and can be
seized by the feeding rollers of the machine.
When the level of the slivers in the can sinks in the course of the drawing off
operation, the upper bent ends of pins t, which are fixed to the cover T2 and are
adapted to slide in the vertical guides t³, come in contact with the carrier to and
stop it, but as the can, together with the piston, cross piece and nut, continues to
rotate in the direction of the arrow f (Fig. 8), whilst the carrier to, the clutch
device L' L, and consequently the screw spindle G is held fast, the piston will
commence to rise rapidly and will rise until the level of the contained slivers has
Then the
lifted the cover T2 so far as to disengage the pins t from the carrier t³.
carrier clutch device L' L' and the screw spindle G will re-commence their
rotary movement under the inluence of the friction produced between the bottom
of the can and the supporting piece I (Fig. 1), and also of the friction between
the nut and the spindle, the sum of which considerably exceeds the friction of the
foot-step of the spindle, and have the result of causing the can and the spindle to
rotate with the same angular speed. During this time, the piston remains at a
constant level, and until the level of the slivers has again sunk to such an extent
that by stopping the screw spindle the regulating operation just described is caused
to begin anew. This alternate operation is continued until the nut has moved up
on to the smooth portion or neck of the spindle and has raised the piston with
its upper surface, which is roughened, slightly above the upper edge of the can.
The can is then empty, and, after stopping the machine, is lowered by means of
the crank mechanism, and then removed to be again filled.
""
In the case of a drawing machine fed from the rear from "screw cans
screw cans,"
according to this invention and delivering in front into similar
according to the arrangement illustrated in Fig. 11, the apparatus may be driven
in the manner illustrated in Figs. 9 and 10.
In this arrangement O is the front roller shaft upon which are mounted the fast
and loose pulleys 9 and 9° and also the spur wheel. The latter drives a wheel 4
on a shaft p by means of the intermediate gearing 2, 3, which allows of regulating
the speed by changing the wheel 1 and 2 or 3 and 4. The shaft correspon:ls to
the shaft of like designation in Figs. 4 and 5. From this shaft a differential gear
is actuated through the spur wheels 5 and 12, the arrangement being such that the
rotary motion of the wheel 5 is transmitted through the intermediate wheels 6

page_text: =
and 7 to the spur wheel 8, the bevel wheel 9 connected therewith, and the inter-
mediate bevel wheel 10, to the bevel wheel 11 which rotates in the direction of the
arrow f (Fig. 9), whilst the spur wheel 12, through the medium of the gear
wheels 13, 14, N and 15, drives the wheel 16 on a radial arm of which the inter-
mediate bevel wheel 10 is mounted. The angular velocity of the bevel wheel 11 derived
from the shaft which corresponds to the shaft of like designation in Figs. 1, 3, 4
and 5, is thereforo equal to the difference of or between the angular velocity a
imparted to this shaft from the spur wheel 5, less twice the amount of the angular
velocity ẞ of the spur wheel 16. If the velocity a were made such that
when 0, the angular velocity of the wheel R' (Figs. 1, 4 and 5) that is to
say, the angular velocity of the spindle G is equal to that of the can, then the
descent of the piston takes place in direct proportion to the weight of the entering
sliver, assuming that the number of the teeth of the wheel N is kept directly
proportional to the sliver number, if the latter be changed. Further, the motion
of the shaft p' is transmitted from the spur wheel 17 to the spur wheel 18 which
is connected to the wheel W and thence through the intermediate wheel 19 to the
spur wheel 20 fixed on the shaft p² which corresponds to the shaft of like designation
in Figs. 7 and 8. From the shaft p2 motion is transmitted through the intermediate
wheel 21 and the exchangeable gear 22, 23, to the wheel 24 which is mounted on
the feed roller shaft Z.
"
The use of the "screw can with carding machines,
combing machines and the like, is entirely analogous to that hereinbefore described.
The arrangement shown for the delivery of the slivers into the "screw can " is
also applicable to the delivery of the slivers out of or from the can; and similarly,
the arrangement illustrated for emptying the can may also be employed for filling
the can.
In the latter case, the pressure on the slivers in the can may be increased
at will by placing weights upon the cover T².
Dated this 27th day of July 1894.
F. WISE HOWORTH,
46, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.
Improvements in and connected with Sliver Cans, and Driving
Mechanism for Use therewith.
1, GOTTFRIED MEYER, of Solothurn, Switzerland, Engineer, 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 has for its object to enable the sliver delivered by a carding, a
combing, or a drawing machine to be placed into and withdrawn from a sliver-can
in such a manner that it shall not be thereby twisted; that the top of the sliver in
a can shall always be on a level with or above the top edge of the can, both during
the filling and the emptying of the can; and that the capacity of the sliver-can shall
be increased to the maximum extent by the employment of a considerable and
approximately constant pressure during filling.
These objects are effected chiefly by constructing the sliver-can of annular form
that is to say, the can in addition to the outer casing or shell is provided with an
inner hollow core, in the centre of which there is a screw which serves to move an
annular piston carrying the sliver in a downward direction whilst the can is being
filled, and in an upward direction when the can is being emptied. The can is
rotated in one direction during the filling, and in the opposite direction during the
emptying operation; and the sliver or slivers-for there may be even two or more
slivers is or are caused to enter and to leave the can tangentially. The ratio
between the angular velocity of the can and the exactly constant mean inlet

page_text: or outlet radius at which the sliver is delivered to or withdrawn from the can, is
made such that the sliver will not be "drawn" either during the filling or the
discharging operation.
Its chief characteristic being the central screw, I call this sliver-can a
"screw-can."
Referring to the drawings filed with my Provisional Specification,
Fig. 1 shows in central vertical section looking in the direction of the
arrow a of Fig. 11, a sliver-can according to this invention in combination with
the appurtenant parts of a drawing-frame that serves for delivering the sliver into
the can.
Fig. 2 is a horizontal section through the can on the line a b of Fig. 1.
Fig. 3 is a front elevation corresponding to the upper part of Fig 1; and
Fig. 4 is a plan of the same.
Fig. 5 is a cross section on the line c d of Fig. 4, taken through the framing of
the machine, the can and its feeding apparatus being shown in side elevation.
Fig. 6 illustrates the inlet-ring and the can in plan.
Fig. 7 shows in vertical section at right angles to the axis of the drawing-frame
the upper portion of a screw sliver-can in combination with the appurtenant parts
of a drawing-frame that serve for drawing off the sliver; and
Fig. 8 is a plan of the same.
Figs. 9 and 10 are diagrammatic views illustrating in elevation and plan
respectively an arrangement for driving both the front and the back cans of the
drawing-frame.
Fig. 11 is a diagrammatic view showing in plan a general arrangement of a
drawing-frame working in combination with screw-cans.
In Figs. 1 to 8 inclusive, as in the arrangement illustrated in Fig. 11, each of
the cans A delivering the sliver, contains two slivers which are delivered to the
drawing-frame in a direction at right angles to the axis thereof that is to say in
the direction of the draught; whereas the cans B receive the slivers, after the
completion of the drawing-process, parallel to the longitudinal axis of the machine.
But the direction in which the slivers are delivered or received may be varied as
desired in each particular case.
The outer shell of the can is stiffened at the top by means of a ring, and is fixed
at the bottom to the base (Fig. 1), as is also the inner shell, which, however,
extends entirely around only at the bottom, being provided from the top edge of
the bottom flange to the top with a plurality of slots C (Fig. 2) in which the arms
or limbs of a crosspiece D engage. The said crosspiece carries the annular
piston E, and is itself carried by means of a nut on a screw-spindle G, which is
supported in a footstep H. By means of a supporting piece I the base of the can,
and consequently the entire can, is mounted on the spindle G in such a manner as
to be capable of rotating independently of the spindle. The spindle G is rotatably
held at the top by means of a piece K, which is fixed to the inner shell, forms the
lower portion K' of the claw-coupling or clutch K' K and also carries the dog or
carrier L (Figs. 1 and 6).
The hereinbefore described parts, together with a helical spring M, the office of
which will be hereinafter described, a running or travelling axle N and
running or travelling rollers Q, constitute the portable or movable portion of the
apparatus. The comparatively great weight of the can renders it advisable for the
sake of convenience in transporting the same, to put it on a small car or truck, or
to furnish it with travelling rollers Q, as shown in Figs. 1 and 5, so that it may be
moved along after the manner of a wheelbarrow. The stationary devices connected
to the drawing-frame, combing-machine, or carding-engine for putting the slivers
into the can, are shown in Figs. 1, 3, 4, 5 and 6. The upper half K of the
claw-clutch K¹ K', with the sleeve k, receives its motion through skew bevel
gearing P P P³, P from the shaft p', and transmits its rotary motion, when the
clutch K' K' is in gear, to the can, which rotates in the direction of the arrow f
(Figs. 2 and 6). The spindle provided with a dog or carrier L³, is rotated by

page_text: means of the toothed gearing R' R' from the longitudinal shaft r, which, when the
dogs L L are in gear, transmits to the screw-spindle G a rotation also in the
direction of the arrow f', the angular velocity of the spindle being bowever slightly
smaller than that of the can. By this arrangement as the nut F, which is carried
round by a pin d connecting it with the cross-piece D, shares the rotation of the
can, and therefore has a motion slightly in advance of the spindle G, tho aus will
move slowly down the screw-spindle carrying with it the cross-piece D and the
piston E with the sliver resting on the top of the latter, until the can is full of
liver. The cross-piece D can descend until it rests upon the inner bottom flange
of the can.
The nut can descend somewhat further until it has passed out of
ngagement with the screw-thread. The nut then remains on, the smooth or
unscrew-threaded neck-portion g', until the relative motion of the can and the
spindle is reversed, whereupon the nut which is pressed upward by the coiled
spring M, becomes re-engaged by the tail end of the screw-thread, and is again
raised, and then imparts its ascending motion to the cross-piece, the piston, and the
sliver.
The machine-framing has bolted to it an annular cover T₁ having a polished
under-surface formed with two slots t' having curved or inclined edges (Figs. 1, 3, 4, 5
and 6) through which the slivers, delivered by the two pairs of calendar
rollers U U and U U enter and are laid upon the sliver that is already in
the can and is rotating with the latter, the said slivers slipping under the curved
or inclined edges of the slots and under the cover T. There, the slivers,
together with the material already in the can, are subjected to pressure, which is
produced by the relatively slow descent of the piston which can be varied as desired
by suitably varying the speed of the screw-spindle.
With the object of effecting a uniform distribution of the slivers in the can, the
supply-passages V (Figs. 3 and 4) may have imparted to them from the shaft r,
an oscillatory motion in the direction of the arrows v', by, for instance, an
elliptical cam v³ on the said shaft arranged to work in a collar-ring attached to the
rod v³.
.
Whilst being filled, the can is supported by the outer journals of the travelling
axle N in bearings W, which are suspended by rods w³ and chains w³, and are guided
vertically on bolts w¹ (Fig. 1).
When the piston E has reached its bottom position, the machine is stopped,
preferably automatically. Then a pawl X (Figs. 3 and 4) is placed out of gear,
and a crank-handle, which is mounted on one of a pair of connected shafts to which
are fixed the rollers upon which the chains 203 are wound, is turned back, whereby
the can is lowered until the travelling rollers Q rest on the ground. In the
meantime, the two halves of the clutch K' K³, and the two dogs or carriers L'
and L2 will have moved out of engagement and the top end or journal y' of the screw-
spindle will have moved out of the cavity of the step y², so that the can can now
be removed without hindrance.
The stationary devices (Figs. 7 and 8) serving for emptying the can, are also
provided with a hoisting device by means of which the can is raised until the
journal y has entered the step y and has thus centered the can, and the two
balves of the clutch K' K² and the dogs L' L' have engaged with each other and
the pawl X is thrown into gear. A movable cover T2, which is provided similarly
to the fixed cover T, with two slots 2, through which the slivers pass out, now
rests on the slivers the top level of which is slightly above the edge of the can, so
that all jamming of the issuing slivers against the outer and inner edges of the can,
is prevented. The machine is now started that is to say, the can is set into
rotation in the direction of the arrow 2 (Fig. 8) by means of the claw-clutch K' K²,
which is actuated from the shaft p through skew-bevel gearing P P the-said-
direction of the arrow f" being the reverse of the direction of the cans rotation
during filling, so that the slivers pass out through the slots t" and can be seized by
the leed-roilers Z1, Z2 of the drawing-frame. When the level of the slivers in the
can sinks in the course of emptying, the upper bent ends of pins 4, which are

page_text: fixed to the cover T2 and are adapted to slide in vertical guides 3, come into
contact with and stop a carrier to fixed on the upper carrier L'; but as the can,
together with the piston, cross-piece, and nut, continues to rotate in the direction
of the arrow f' (Fig. 8), whilst the carrier t, the clutch-device L' L³, and conse-
quently, the screw-spindle G are held fast, the piston E will commence to rise
rapidly and will continue to do so until the level of the contained slivers has lifted
the cover T so far as to disengage the pins from the carrier t. Then the
carrier t, clutch device LL, and the screw-spindle G, will re-commence their
rotary movement under the influence of the friction between the bottom of the
can and the supporting piece I (Fig. 1), and that between the nut and the spindle,
the sum of which considerably exceeds the friction of the foot-step of the spindle,
and has the result of causing the can and the spindle to rotate with the same
angular velocity. During this time, the piston remains at a constant. level until
the level of the slivers has again sunk to such an extent that by stopping the
screw-spindle the regulating operation just described is caused to begin anew.
This alternate operation is continued until the nut has been moved upward and
onto the smooth portion or neck of the spindle and has raised the piston with its
upper surface, which is roughened, slightly above the upper edge of the can. The
can is then empty, and, after stopping the machine, is lowered by means of the
crank-mechanism, and then removed to be again filled.
"
"
In the case of a drawing-frame fed from the rear from " screw-cans according
to this invention and delivering in front into similar ❝ screw-cans, as in the
arrangement illustrated in Fig. 11, the apparatus may be driven in the manner
illustrated in Figs. 9 and 10. In this arrangement O is the front-roller shaft upon
which are mounted the fast and loose pulleys 9 and 9° and also the spur-wheel 1.
The latter drives a wheel 4 on a shaft p¹ by means of the intermediate gearing 2, 3,
which allows of the regulation of the speed by changing the wheel 2 or 3. The
shaft pl corresponds to the shaft of like designation in Figs. 4 and 5. From this
shaft differential gear actuated through the spur-wheels 5 and 12, the arrangement
being such that the rotary motion of the wheel 5 is transmitted through the
intermediate wheels 6 and 7, the spur-wheel 8, the bevel-wheel 9 connected there-
with, and the intermediate bevel-wheel 10, to the bevel-wheel 11 which rotates in
the direction of the arrow f8 (Fig. 9), whilst the spur-wheel 12, through the
medium of the wheels 13, 14, N, and 15, drives the wheel 16 on a radial arm of
which the intermediate bevel-wheel 10 is mounted. The angular velocity imparted
through the bevel-wheel 11 to the shaft r, which corresponds to the shaft of like
designation in Figs. 1, 3, 4, and 5, is therefore equal to the angular velocity a
imparted to this shaft from the spur-wheel 5, less twice the amount of the angular
velocity of the spur-wheel 16. If the velocity a be made such that, if ẞ were
equal to 0, the angular velocity of the wheel R³ (Figs. 1, 4 and 5) that is to say,
the angular velocity of the spindle G-would be equal to that of the can, then
the descent of the piston will take place in direct proportion to the weight of the
entering sliver, assuming that, on any change in the count or number of the sliver,
the number of the teeth of the wheel N be changed in direct proportion thereto.
Further, the motion of the shaft p' is transmitted from the spur-wheel 17 to
the spur-wheel 18, which is connected to the wheel w, and thence through the
intermediate wheel 19 to the spur-wheel 20 fixed in the shaft p³ which corresponds
to the shaft of like designation in Figs. 7 and 8. From the shaft p³, motion is
transmitted through the intermediate wheel 21 and the exchangeable gear 22, 23,
to the wheel 24 which is mounted on the feed roller shaft Z. The use of the
screw-can with carding-engines, combing-machines, and the like, is entirely
analogous to that hereinbefore described. The arrangement shown for the delivery
of the slivers into the screw-can is also applicable to the delivery of the slivers out
of or from the can; and similarly, the arrangement illustrated for emptying the
can may also be employed for filling the can. In the latter case, the pressure on
the slivers in the can may be increased at will by placing weights upon the
cover T

page_text: Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. A sliver-can having a movable piston combined with an automatically moved
central screw for the purpose of lowering the piston during the filling of the spun
material and of raising it during the emptying thereof, substantially as set forth.
2. A transportablo sliver-ean adapted to be rotated in one sense during the
filling of the sliver and in the reverse sense during the emptying of the same,
the said can being of annular cross-section and having a movable piston which is
arranged to carry the spun material, to be lowered by a central screw-spindle,
during the filling of the can, in consequence of the spindle's having a somewhat
slower rotation than the can, and to be raised during the emptying by the temporary
arrestation of the said screw-spindle, substantially as set forth.
3. For the purpose of lowering, proportionally to the weight of the entering
sliver the piston of a sliver-cat of the kind specified in Claim 1, differential gear
comprising a number or count-wheel N, the number of the teeth of which is
proportional to the number or count of the sliver, the said differential gear being
arranged to be operated by the shaft for driving the can and to impart to the
screw-spindle, by means of shaft r, gearing R¹ R2, and carriers L' L³, a rotary
motion which is somewhat slower than that of the can, the differential motion
thus produced serving to effect the lowering of the nut F, the cross-piece D, the
piston E, and the spun material, substantially as hereinbefore described with
reference to the drawings.
4. For the purpose of maintaining, during the emptying of a sliver-can of the
kind specified in Claim 1, the level of the spun material above the top edge of the
can, a vertically movable cover T2 which is adapted to effect periodical adjustments
and is provided with adjusting-pins t, in combination with carriers to and L³, L¹ a
screw-spindle G, a nut F, a cross-piece D, and a piston E that carries the spun
material, substantially as hereinbefore described with reference to the drawings.
5. A sliver-can consisting of a hollow cylinder which is arranged on a transport-
able base so as to be rotatable about, and independently of, a rotary screw-spindle
and is provided with an inner shell in which are longitudinal slots, and with an
annular piston which is arranged to work in the space between the cylinder and
the shell and which is connected so as to be capable of being carried along thereby,
with a nut on the screw-spindle, the connection between the piston and the out
being effected by a supporting cross-piece that extends through the said slots in the
shell and a carrier-device being arranged on the upper edge of the shell and the
upper end of the spindle by which, after the vertical rise of the base, the can and
the screw-spindle can be put into connection with driving-mechanism arranged on
the machine with which the can is used, substantially as herein described.
6. The improved sliver-can and driving-mechanism therefor constructed arranged
and operating as herein before described with reference to and shown in the
drawings.
ليوم
ม
+1
F. WISE HOWORTH,
46, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.