IMPROVEMENTS IN THE CONSTRUCTION OF ANNEALING PANS
Year: 1876

page_text: LETTERS PATENT to Thomas Shaw and James Heap, both of Brighouse, in
the County of York, Wire Drawers, for the Invention of "IMPROVEMENTS IN
THE CONSTRUCTION OF ANNEALING PANS."
Sealed the 4th May 1877, and dated the 7th November 1876.
PROVISIONAL SPECIFICATION left by the said Thomas Shaw and James Heap
at the Office of the Commissioners of Patents on the 7th November 1876.
THOMAS SHAW and JAMES HEAP, both of Brighouse, in the County of York,
Wire Drawers. " IMPROVEMENTS IN THE CONSTRUCTON OF ANNEALING PANS."
Heretofore pans for annealing wire have been made whole or in one piece, there
being no provision to counteract the expansion and contraction, the result being
that such pans are soon rendered unservisable by cracking.
-
The object of this our Invention is the construction of annealing pans in two or
more parts, the various sections being so jointed to each other as to permit
expansion and contraction whereby the pans are rendered much more durable.
We employ in the construction of annealing pans, according to this our Invention,
two or more parts lengthwise the pan; these are made semicircular and are pro-
vided with grooved flange pieces; within the grooves are metal strips placed over
and sealing the joints; the grooves are then filled with borings and the several parts
are secured to each other by means of nuts and bolts.
The pan bottom plate we also construct of two or more parts for purpose of
admitting of expansion and contraction.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Thomas Shaw and James Heap in the Great Seal Patent Office on
-the 7th May 1877.
-
THOMAS SHAW and JAMES HEAP, of Brighouse, in' the County of York, Wire
Drawers. "IMPROVEMENTS IN THE CONSTRUCTION OF ANNEALING PANS."
Heretofore pans
[Price 4d]
for annealing wire have been made whole or in one piece, there

page_text: being no provision to counteract the expansion and contraction, the result being
that such pans are soon rendered unservicable by cracking.
The object of this our Invention is the construction of annealing pans in two or
inore parts, the various sections being so jointed to cach other as to permit
expansion and contraction whereby the pans are rendered much more durable.
We employ in the construction of annealing pans, according to this our Invention,
two or more parts lengthwise the pan; these are made semicircular and are provided
with grooved flange pieces; within the grooves are metal strips placed over and
sealing the joints; the grooves are then filled with borings and the several parts are
secured to each other by means of nuts and bolts.
Such being the nature and object of this our said Invention, we will now proceed
to describe, the same in detail, and in order that the Invention may be fully
understood we have hereunto annexed a Sheet of Drawings illustrative thereof.
DESCRIPTION OF THE DRAWINGS.
Fig 1 is an elevation partly in section of an annealing pan, constructed according
to this our Invention; Fig. 2 is a plan view of pan and brick setting; Fig. 3 is
a view, full size, of one of the joints; Fig. 4, brickwork for enclosing pan.
In the construction of pans according to our Invention we employ, as shewn by
Drawings, two or more parts A, A, A, A, lengthwise the pan, each part is made
semicircular and provided with grooved flange pieces B; within the grooves are
metal strips C placed over and sealing the joints; the grooves are then filled with
metal borings, as at D, and the several parts are secured to each other by means of
nuts and bolts E. At F, F, is the brickwork; F is the brickwork enclosing the
pan, and the brick F' is formed so as to fit the groove B¹ of each semicircular part A,
by which means the ends of the bricks nearest the joints of the pan are securely
held in position, the intervening bricks being, as shewn at Fig. 4, of wedge shape.
It will be understood that, if desirable, the pan may be constructed in two or
more lengths instead of each segment being the length of the whole pan.
Having thus fully described the nature and particulars of this our said Invention,
together with the manner in which the same is to be performed or carried into
practical effect, we would have it understood that what we claim as our Invention
is, the construction of annealing pans in seginental parts when jointed, in the
manner and for the purpose herein fully described.
In witness whereof, we, the said Thomas Shaw and James Heap, have here-
unto set our hands and seals, this Second day of May, in the year of our
Lord One thousand eight hundred and seventy-seven.
Signed, sealed, and delivered,
by the within named Thomas
Shaw and James Heap, in
the presence of
WALTER BRIERLEY,
Patent Agent,
Halifax & Blackburn.
THOMAS SHAW.
JAMES HEAP.
(L.S.)
(L.S.)