IMPROVEMENTS IN APPARATUS FOR THE MANUFACTURE OF ARM-PIT DRESS SHIELDS
Year: 1882

page_text: LETTERS PATENT to William Robert Lake, of the firm of Haseltine, Lake
& Co., Patent Agents, Southampton Buildings, London for an Invention
of IMPROVEMENTS IN APPARATUS FOR THE MANUFACTURE OF ARM-PIT
DRESS SHIELDS Communicated to him from abroad by Isaac A. Canfield,
"
"
PROVISIONAL SPECIFICATION left by the said William Robert Lake at
the Office of the Commissioners of Patents on the 11th August 1882.
WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake and Co., Patent Agents,
Southampton Buildings, London, "IMPROVEMENTS IN APPARATUS FOR THE MANU-
FACTURE OF ARM-PIT DRESS-SHIELDS." [A communication to him from abroad by
Isaac A. Canfield, of Middletown, Connecticut, United States of America.]
This Invention relates to improvements in the apparatus or machine described
in the Specification of former Letters Patent dated 26th May A.D. 1881, No. 2307,
the present improvements being designed to render the said apparatus more efficient
than it was as heretofore constructed for the manufacture of the dress-shields
described in the said former Specification.
It has been found that in the apparatus, as constructed according to the said former
Specification, the heat arising from the unprotected heater box is very inconvenient
inasmuch as the hands of the operators are liable to be burned when they come in
contact therewith, and moreover the temperature of the surrounding air becomes
inconveniently heated. Therefore, according to the present Invention, I provide a
heat guard or protecting box which encloses, wholly or partially, the heater-box
and which may be made of wood or any other suitable non-conducting material,
but preferably of asbestos; its purpose is to prevent radiation of heat froin the heater,
and to form a rest for the operator's hands in submitting the stock or material to
the action of the dies.

page_text: According to another improvement provide upon the heater-box two rounded
projections forming cheeks (one on each side of the slit or mortise in the said box)
which obviate the necessity for the male die to descend into the box to such n
distance as to cause the stock or material forming the shield to be unduly stretched,
which is liable to occur in the apparatus as at first constructed. The male die is
hung to a bar which has vertical reciprocation by means of an arm pivotted at
the far end and connected to a treadle by a rod. Both dies are usually made
of steel.
Steam enters the heater-box through an inlet and finds exit through an outlet
which has a suitable steam-trap attached thereto.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said William Robert Lake in the Great Seal Patent Office on the
10th February 1883.
"
WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake, and Co, Patent Agents,
Southampton Buildings, London, IMPROVEMENTS IN APPARATUS FOR THE MANU-
FACTURE OF ARM-PIT DRESS-SHIELDS" A communication to me from abroad by
Isaac A. Canfield, of Middletown, Connecticut, United States of America.
This invention relates to improvements in the apparatus, for the manufacture of
arın-pit dress-shields, described in the specification of former Letters Patent dated
26th May, A.D. 1881, Nº 2307, and is designed to render the said apparatus more
efficient than heretofore.
It has been found that, when the apparatus is constructed according to the said
former specification, the heat arising from the unprotected heater-box is very incon-
venient, inasmuch as the hands of the operator are liable to be burned when they
come in contact therewith; moreover, the temperature of the surrounding air becomes
inconveniently heated. But according to the present invention I obviate these
inconveniences in the following manner, that is to say, I provide a heat-guard or
protecting casing which encloses, or partly encloses, the heater-box, and which may
be of wood or other suitable slow heat-conducting material, but I prefer to make
it of asbestos; this guard or casing is intended to prevent radiation of heat from
the heater-box and to form a rest or support for the hands of the operator when
submitting the stock or material to the action of the dies.
In the apparatus as heretofore constructed, the male die descends into the heater-
box to such a distance that it is liable to cause the stock or material forming the
shield to be unduly stretched. I overcome this difficulty, according to the present
invention, by providing upon the heater-box two rounded projections or cheeks,
one on each side of the slit or mortise in the said box, so that the male die does not
require to descend into the heater-box to such a distance as heretofore.
The present invention is illustrated in the accompanying drawing, in which
Figure 1 is a sectional elevation of the improved apparatus shewing the dies and
mechanism for operating the same, and also the heater-box.
Figure 2 is a vertical transverse section of the dies, the heater-box, and the heat-
guard, and
Figure 3 is a sectional elevation of the heat-guard or casing enclosing the heater-
box.
a is the male die having a concave face a³, and b is the female die which has a
corresponding convex face b¹ and is fixed in a mortise formed in the heater-box c.
The male die a is fixed to the bar or rod d which may be vertically reciprocated
by means of the arm e pivotted at e¹ and connected to the treadle f by a rod g.
The heater-box is provided with suitable inlet and outlet pipes for the admission
and egress of the steam or other heating medium and the outlet is provided with a
suitable steam-trap.
h is the heat-guard or protecting casing, which, in the apparatus shown in the
drawing, almost entirely encloses the heater-box. The rounded projections or
cheeks i extend upward from the heater-box, as shown in Figure 3, for the purpose
above stated.
Having thus fully described the said invention as cominunicated to me by my
foreign correspondent, and the manner of performing the same, I wish it understood
that I claim
First. The combination, with the dies for forming arm-pit dress-shields, of the

page_text: heater-box provided with the rounded projections or cheeks, substantially as, and for
the purpose, set forth.
Second. The combination, with the said dies, of the heater-box (with or without
the rounded projections or cheeks) and the heat-guard or protecting casing
substantially as, and for the purposes, set forth.
In witness whereof I the said William Robert Lake have hereunto set my
hand and seal this Tenth day of February in the year of our Lord one
thousand eight hundred and eighty three.
W. ROB. LAKE
(L.S.)