Improvements in or applicable to Tentering and Hot-air Drying Machines for Textile Fabrics.
Year: 1890

page_text: Date of Application, 7th Jan., 1890
Complete Specification Left, 7th Oct., 1890--Accepted, 8th Nov., 1890
PROVISIONAL SPECIFICATION.
Improvements in or applicable to Tentering and Hot-air Drying
Machines for Textile Fabrics.
We JAMES BUTTERWORTH of Huddersfield Road, Micklehurst, Mossley near
Manchester, Foreman Finisher and JOHN SIDNEY BUTTERWORTH of 79 King Street,
Bury, Lancaster Foreman Finisher do hereby declare the nature of our said invention
to be as follows:-
The object of this invention is to provide means whereby the currents of heated air
escaping through the links of the travelling chains employed at each side of the fabric
in a hot air tentering and drying machine are prevented depositing any dirty flocks or
other injurious matter capable of spotting the fabric on the surface of the fabric and
whereby the same are deflected in contrary directions so as to fall away from the
machine.
=
In performing our invention we employ a wooden or sheet metal rail having on its..
inner side a rib running the whole length of the machine and so bracketed and
supported above the travelling chain that the rib rests upon the fabric and thus we:
partially close in the space which as hitherto existed at this part above the travelling.
chain and cause any currents of air to be deflected outwards so carrying the deleterious:
matter along with them and depositing the same outside the material as aforesaid.
At the delivery end of the machine we arrange a revolving brush in combination.
with a shell board or metal plate mounted beneath it at a suitable angle and which
presses against the fabric whilst the brush revolving in the opposite direction to the
fabric effectually brushes off and removes all deleterious matter received from the fan
or falling from the chain from the surface of the fabric-and prevents the same being
carried forward and pressed into the fabric in passing around the usual guide rollers..
Dated this 6th day of January 1890
J. G. WILSON,
Patent Office, 55, Market Street, Manchester, Agent for the Applicants.
COMPLETE SPECIFICATION.
Improvements in or applicable to Tentering and Hot-air Drying
Machines for Textile Fabrics.
We JAMES BUTTERWORTH of Huddersfield Road, Micklehurst, Mossley near
Manchester, Foreman Finisher and JOHN SIDNEY BUTTERWORTH of 79 King Street,
Bury, Lancaster, Foreman Finisher, do hereby declare the nature of our said invention
and in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement:-
These improvements refer to that class of tentering machine in which the length of
cloth is hooked on to travelling chains which carry the cloth round a roller at the far
end of the machine and back again the sides of this machine being made of cast iron
so that when the cloth is on the machine it forms an enclosed chamber into which a
hot blast is blown and can only escape through the pores of the cloth and the object of
the first part of this invention is to provide means whereby the currents of heated air
escaping through the links of the travelling chains employed at each side of the fabric
are prevented depositing any dirty flocks or other injurious matter (capable of spotting
the fabric) on to the surface of the fabric and the adoption of which improvements
ensures that the said escaping currents are deflected in contrary directions so that any
deposit falls away from the machine.

page_text: On the accompanying drawing we illustrate in
Fig. 1 so much of the side of a tentering and drying machine as is necessary to
explain our improvement which are shewn applied thereto.
Fig. 2 is an end view of one side of the top part of Fig. 1.
In performing our invention we employ a wooden or sheet metal rail a having on
its inner side a ribb as indicated more clearly by transverse section (on a larger scale) in
Fig. 3. This rail a forms a chain-cover and is arranged along the whole length of
the cast iron sides c of the machine being bracketed at both the top and bottom edges
thereof in such a position as to stand outwards over the chain and with its rib b
extending sufficiently far on to the edge of the travelling fabric as to practically close
in the space which has hitherto existed at this part above or around the travelling
chain and thus we cause any currents of air which escape to be deflected outwards as
indicated by the arrows in Fig. 2 thus throwing all dirt &c. from force of fan and
causing the same to fall outwards on to the floor and not on the top of the fabric as
aforesaid.
h
At the delivery or drag-off end of the machine we cause the travelling fabric
(indicated by the letter d) to pass around an additional guide roller e which enables
us to apply a revolving brush fand a shell board or metal plate g affixed at an angle
as illustrated with its top edge resting in contact with the fabric & and an apron
affixed to its bottom edge and carried forwards as illustrated. This brush f revolving in
the contrary direction to the fabric (as indicated by the arrow) effectually brushes off
and removes all deleterious matter received from the fan or falling from the chain from
the inside of the fabric before passing over any roller whatever and so prevents the
same being carried forwards and pressed in the fabric in passing around the guide
rollers.
Having thus particularly described and ascertained the nature of this our said
invention and in what manner the same is to be performed we declare that what we
claim is
1st. In a tentering or drying machine the application of a continuous rib or chain
cover for shielding the travelling chains and deflecting the escaping currents of heated
air outwards substantially as and for the purposes herein before described and illustrated
on the accompanying drawing.
2nd. In a tentering or drying machine the employment of a revolving brush and
shell board or its equivalent substantially as and for the purposes hereinbefore described
and illustrated on the accompanying drawing.
Dated this 3rd day of October 1890
JOHN G. WILSON,
Patent Office, 55, Market Street, Manchester, Agent for the Applicants.