Year: 1886

page_text: I NATHANIEL GREENING of the firm of N. Greening and Sons Limited
Warrington in the County of Lancaster Engineers, do hereby declare the nature
of this invention to be as follows :—
This Invention relates to Travelling Bands and has for its objects to enable the
band to be constructed in such a manner as to combine lightness with strength, to
prevent intrusion into the joints of the band of the material carried thereon or of
foreign substances and to prevent distortion of the band through irregular heating
and cooling when it is employed to carry hot materials."
These Improvements consist in constructing the travelling band of 'corrugated
sheets or plates of any suitable metal or of metallic wire cloth. If sheets or plates
of metal are employed they may, if desired, be perforated.' The corrugated sheets
or plates are joined together to the desired length, and for the purpose of excluding
the substance carried by the band or any foreign material from the joints, I may
form them by lapping and rivetting or otherwise" securing two half corrugations
together. The endless band so formed is attached to marginal pitch chains and is
carried upon two polygonal or pitch pulleys by one of which it 'may be driven.
The band may be supported at intermediate points between the pulleys by means
of rollers or pulleys as is well understood:-
A travelling band constructed according to these improvements possesses, con-
siderable transverse rigidity and longitudinal pliability which give it additional
strength and enable it to pass around the pulleys with greater facility and safety.
When the band is employed to convey hot material or substances, the consequent
expansian of the metal is taken up by the corrugations and no linear extension or
temporary stretching of the band occurs and it is in effect free from the variations
in length consequent upon variations of temperature to which other metallic bands
are subject.
T
A
1000
>

page_text: I, NATHANIEL GREENING of the firm N. Greening & Sons, Limited, Warrington,
in the County of Lancaster, Engineers do hereby declare the nature of this inven-
tion, and in what manner the same is to be performed, to be particularly described
and ascertained in and by the following statement:-
This Invention relates to travelling bands and has for its object to enable the
band to be constructed in such a manner as to combine lightness with strength;
to prevent intrusion into the joints of the band of the material carried thereon or
of foreign substances, and to prevent distortion of the band through the influence
of irregular heating or cooling when it is employed to carry hot materials.
These Improvements consist in constructing the travelling band of corrugated
sheets or plates of any suitable metal or of metallic wire cloth. If sheets or plates
of metal are employed, they may, if desired, be perforated. The corrugated sheets
plates or wire cloth are or is joined together to the desired length so as to form
an endless band and in such a manner that the corrugations are transverse to
the band.
The endless band so constructed is attached to marginal pitch chains and is
carried upon two polygonal or pitched pulleys by one of which it may be driven.
The band may be supported at intermediate points between the pulleys by means
of rollers or bearing pulleys.
And in order that this my said Invention may be more readily understood and
carried into practical effect I have hereunto appended a sheet of drawings which
I will now proceed to describe, having reference to the letters which are marked
thereon to denote the various parts; similar letters being employed in each of the
figures to denote similar parts.
Fig. 1 is a longitudinal section through CD Fig. 2, Fig. 2 is a plan; Fig. 3 is part
of a longitudinal section on an enlarged scale; Fig. 4 is a transverse section
through A B Fig. 1 and Fig. 5 is a longitudinal section of a short piece of the
travelling band.
E is the corrugated band; F F are the pitch chains at the margins or sides of
the band; G G are the polygonal or pitched pulleys; H H are bowls or bearing
rollers supporting the band at points between the pulleys G G; II are short angle
plates by means of which the band may be connected to the bars or links of the
pitch chain; K K are stiffening bars on the underside of the band parallel with
the edges In narrow bands the stiffening bars may be omitted, while in broader
bands one or more rows or sets may be employed as may be determined by the
width of the band. Two sets of stiffening bars are represented in Fig. 2, and this
is the number I prefer to employ in bands having a width of about 60 inches.
To prevent intrusion of part of the material carried upon the band or of foreign
substances, between the ends of the corrugated plates or wire cloth at the joints
I cause two half corrugations to overlap and by preference two halves which are
convex on the upper and outer side of the band as shown at L Figs. 3 and 5. The
joints may be left free to slide or move or they may be secured by rivetting or by
other suitable means.

page_text: A travelling band constructed according to these Improvements possesses.con-
siderable transverse rigidity and longitudinal pliability together with great
lightness strength and a capability of passing around pulleys with facility and
safety. When the band is employed to carry hot materials the consequent
expansion of the metal is taken up by the corrugations, and no linear extension or
temporary stretching of the band occurs and it is in effect, free from the temporary
variations in length consequent upon variations of temperature to which flat or
plain metallic travelling bands are liable.
Having now particularly described and 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 construction or manufacture of travelling bands having transverse cor-
rugations, substantially as and for the purpose herein before set forth and described
and as illustrated on the accompanying sheet of drawings,
Dated this 3rd day of November A.D. 1886.
W E. HEYS,
Agent for the Applicant,
70, Market Street, Manchester.