An Improved Draught and Dust Excluder, Applicable to both Doors and Windows.
Year: 1886

page_text: Date of Application, 9th Apr., 1886.
Complete Left, 16th Dec., 1886.
Complete Accepted, 22nd Feb., 1887.
PROVISIONAL SPECIFICATION.
An Improved Draught and Dust Excluder, Applicable to both
Doors and Windows.
1, THOMAS JAMES PORTER of 11 Upper Queens Terrace Fleetwood in the County of
Lancaster, Publisher do hereby declare the nature of my invention for AN IMPROVED
DRAUGHT AND DUST EXCLUDER APPLICABLE TO BOTH DOORS AND WINDOWS to be as
follows --
The principle of this invention consists in moulding a composition into a suitable
form, and encasing it in a covering of felt, baize, cloth, caoutchouc, paper, or any
other similar material or substance, but preferably felt, in which form it can be
readily fixed to Door posts, Door casings, or Doors, and to Window casings, or
Window sashes, and then pressed and formed, into a long narrow matrix or counter-
part, of that portion of either Door posts, Door casings, Doors, or Window casings,
or Window sashes, to which it is not fixed, but with which it comes in contact when
the Doors or Windows are closed; fitting more closely, and more effectually preventing
the passage of Draught or Dust, between Doors and their casings, or posts, and
Window sashes and their casings, than any other form of Draught and Dust Excluder
in which no composition matrix is used. The composition used possesses the property
of changing from a rigid, set condition, to that of a plastic one, on the application of
heat, or moisture, or both, and of again returning to its rigid, sei condition, on the
withdrawal of the heat, or moisture, or both. So that the Draught and Dust
Excluder, may, on being fixed in position, whilst the composition is in a plastic
condition, readily take the necessary impress, or shape given to it, to form the
matrix, and maintain that impress, or shape, by reason of the composition afterwards
setting to a rigid condition, thus forming a permanent matrix. Fig. 1. is a full sized
drawing of a portion of my Improved Draught and Dust Excluder, the section at the
end showing the formation. Fig. 2. represents an open room door, the thick line
round the Doorway, showing the position in which the Draught and Dust Excluder
is intended to be placed. Fig. 3. represents a full sized cross section, upon the
horizontal plane, of the Door A, the Door post D, and the Draught and Dust
Excluder B, showing the correct position in which the Draught and Dust Excluder
should be attached to Door posts. C, is a light moulding, fastened down over the
edge of the Draught and Dust Excluder, by way of finish, but is not absolutely
necessary.

page_text: Doors and Windows.
L, THOMAS JAMES PORTER of 11 Upper Queen's Terrace, Fleetwood, in the County
of Lancaster, Publisher do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :—
The principle of this invention consists in moulding a composition into a suitable
form, and encasing it in a covering of felt, baize, cloth, caoutchone, paper, or any other
similar material or substance, but preferably felt, in which form it can be readily fixed
to Door posts, Door casings, or Doors, and to Window casings, or Window sashes,
and then pressed and formed, into a long narrow matrix or counterpart, of that
portion of either Door posts, Door casings, Doors, or Window casings, or Window
sashes, to which it is not fixed, but with which it comes in contact when the Doors or
Windows are closed; fitting closely, and effectually preventing the passage of Draught
or Dust, between Doors and their casings or posts, and Window sashies and their
casings.
The composition used possesses the property of changing from a rigid, set con-
dition, to that of a plastic one, on the application of heat, or moisture, or both, and of
again returning to its rigid, set condition, on the withdrawal of the heat, or moisture,
or both. So that the Draught and Dust Excluder, may, on being fixed in position,
whilst the composition is in a plastic condition, readily take the necessary impress, or
shape given to it, to form the matrix, and maintain that impress, or shape, by reason
of the composition afterwards setting to rigid condition, thus forming a permanent
matrix.
Fig. 1, is a full sized drawing of a portion of my Improved Draught and Dust
Excluder, the Section at the end showing the formation. Fig. 2, represents an open
room door, the thick line round the Doorway, showing the position in which the
Draught and Dust Excluder is intended to be placed. Fig. 3, represents a full sized
cross section, upon the horizontal plane of the Door A, the Door post D, and the
Draught and Dust Excluder B, showing the correct position in which the Draught,
and Dust Excluder should be attached to Door posts. C, is a light moulding fastened
down over the edge of the Draught and Dust Excluder, by way of finish, but is not
absolutely necessary.
The Drawings referred to are filed with my Provisional Specification.
The Draught and Dust Excluder is applied to Window casings, or Window sashes,
in the same way as to Door posts, Door casings, or Doors.

page_text: The composition may be of any suitable materials which will give it the peculiar
properties herein before stated, but I have found a mixture of glue 4 parts, resin
1 part, whiting 4 parts, glycerine 1 part, water 6 parts, all by weight, to give the
desired result.
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 use, for the purposes of a Draught and Dust Excluder for Doors and
Windows, of composition having the properties herein before stated, and being
encased in an envelope, substantially as and for the purposes, herein before described.
11. The method of forming a matrix, substantially as, and for the purposes, herein
hefore described.
THOMAS JAMES PORTER.