Improvements in Card-clothings of Machines for Carding Wool and other Fibrous Material.
Year: 1886

page_text: Improvements in Card-clothings of Machines for Carding Wool
and other Fibrous Material.
I, JONATHAN HOLDEN, manufacturer of Reims, Marne, France do hereby declare
the nature of my invention and in what manner the same is to be performed,
to be particularly described and ascertained in and by the following statement:—
My improvements relate particularly to the fore-end cylinders of cards, so-called
lickers-in. In machines for carding wool and other textile material, all foreign
substances are removed from the said lickers-in by means of burring rollers, turning
rapidly, thus throwing off all that projects from the surface of the lickers-in. The
said cylinders are generally clothed either with a band provided with wire hooks
or with saw-tooth shaped points or with a saw-toothed clothing let into grooves
formed at the circumference. They thus present a surface provided with slightly
projecting pins, allowing of the passage of the textile material, but having on their
surface, the burrs, seeds, straws and such like which are removed by the burring
roller.
Hand
Among the foreign matter which contaminates fibrous materials, a large quantity
of small and hard seeds are met with, especially in wool; the said seeds locate
themselves between the rows of points or saw teeth, finally fill up all the spaces
and transform the surface of the cylinder into a smooth & solid surface.
cleaning must be resorted to; the same is long, very costly and in some cases very
frequent; after the performance of such operation, the clothing is always more or
less affected or injured. This inconvenience is so great that in many cases, the use
of cylinders with saw teeth has been abandoned.
In order to obviate the above mentioned defect, I insert between the rows of
teeth or hooks, a steel, iron or other wire which almost fills up the space between
two rows, while allowing the points to project sufficiently to enable them to catch
the fibres and operate on the saine. By these means, all foreign matter and par-
ticularly hard seeds which cannot get into the clothing, remain projecting from the
surface of the rollers. The same can then be readily removed by the upper burring
roller and if required, by a second burring roller or a circular brush located under
the lickers-in clothed as herein before stated and turning in an opposition direction
at a higher circumferential speed.

page_text: The above mentioned application, which is particularly intended for saw-tooth
clothings, can be made on ordinary clothings composed of metal hooks set into
a fillet of tissue lined with soft rubber or leather.
In order that my invention may be clearly understood, I shall describe it
conjointly with the accompanying drawing.
•
Fig. 1 is a section of part of a card cylinder, full size, upon which I have shown,
at the left, the saw-tooth clothing and at the right, the ordinary clothing. a is the
wire, round or flattened according to each case; the wire fills up the space between
each row of teeth, the points projecting somewhat, as shown.
Fig. 2 is a top view of part of the similar clothings in which a is also the wire.
Fig. 3 is a longitudinal section of part-of a cylinder, showing the position of the
wire a between the rows of a saw-tooth clothing. In this instance, the wire is
round. In the case of an ordinary clothing, the hooks of which are higher and
closer together, a flattened or oval shaped wire would be required.
In both instances, the wire can be laid between the clothings after the clothing
has been set on the cylinder.
Having now particularly described & ascertained the nature of my said invention
and in what manner the same is to be performed, I declare that what I claim is:
The application of a wire as a means of filling up the spaces between each row
of teeth or points in the clothing of carding cylinders employed for any textile
material, for the purpose of
1st Preventing the said spaces from being clogged by foreign solid matter and
especially by hard seeds.
2nd Obviating frequent and costly cleaning operations and preserving the card-
clothings against the injury or wear & tear caused by the said operations.
D
1000
For JONATHAN HOLDEN,
Brandon & Sons, Agents.