Improvements in or relating to Carding Engines.
Year: 1895

page_text: Date of Application, 10th Apr.. 1995-Accepted, 24th May, 1895
COMPLETE SPECIFICATION.
Improvements in or relating to Carding Engines.
I, JOHANN SCHMITZ, of 30 Stephan Strasse, Aachen, in the Empire of
Germany, Manufacturer, 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 :-
For some years past the great object of the spinning machine manufacturer has
been to construct carding engines which shall be capable of a maximum production,.
and occasionally such a one has succeeded. The insuperable obstacle has hitherto
been found in the fact that the cylinder of the carding engine becomes quickly
choked with wool, and requires frequent clearing, which involves the machine
standing idle too long and frequently, whereby its productive capacity is materially
reduced.
By my invention this evil is overcome and a carding engine is obtained of a
productive capacity surpassing that of any known system.
Hitherto the doffer of the carding engine has taken up directly the wool brushed
on to the points of the cylinder teeth from the side of the stripping-roller but a
portion always remained embedded in the cylinder-teeth as in the carding systems
hitherto kuown, tooth worked against tooth.
The wool left behind on the cylinder was always retained and carried round
thereon while in consequence of the continuous feed of the carding engine it was
constantly being added to so that the carding teeth of the cylinder very rapidly
became choked with wool, whereby cleaning was necessitated.
The new invention consists in arranging between the cylinder and the doffer,
transporting rollers, armed with carding teeth working in the same direction as
those of the cylinder at the point of contact. Close to these transport rollers are
also arranged rollers which brush the wool which is to be passed on to the doffer,
and simultaneously bring about the evenness of the fleece. This last manipulation
is well-known to be of material importance in spinning factories.
Because the transport rollers with their carding teeth rotate in the same
direction as the card-cylinder at the point of contact, the wool on the latter is
thoroughly drawn out. The card-teeth of the cylinder, after quitting the transport-
rollers, are quite clear, and their full capacity is available to receive and take up
the new wool about to arrive.
The accompanying drawings show in Figure 1 such a carding engine in
diagrammatic section with two transport rollers, and Figure 2 is a similar
representation of a carding engine with but one transport roller.
The working is as follows;-
The wool taken up by the card cylinder a and wrought by the rollers bis
brushed on the card teeth of the cylinder a by the roller c and drawn out by the
quickly rotating transport-rollers d' d" Fig. 1, or the similar roller d in Fig. 2 and
carried over to the doffer f after having in transit been brushed on the said
transport rollers by the rollers e¹ and ell Fig. 1, or the similar roller e in Fig. 2.
By means of the two transport rollers the fleece is made even and uniform to the
highest possible degree, and so transferred to the doffer, whence it is stripped by
the comb 9 and subsequently further treated in the customary manner.

page_text: Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed 1 declare that what I
claim is ;-
1. A carding engine wherein the carded wool is completely stripped from the
card cylinder by means of one or more transport rollers such as d arranged
between the cylinder and the doffer and rotating more rapidly than the cylinder (a)
with their card teeth working in the same direction as those of the cylinder at the
point of contact substantially as described.
2. The combination with a carding engine of two or more transport rollers
substantially as and for the purpose described and illustrated in the accompanying
drawings.
Dated thi
f Amil 100%
BOULT & WADE,
Agents for the Applicant.