An Improved Filter for Wine and other Liquids.
Year: 1892

page_text: Date of Application, 7th July, 1892
Complete Specification Left, 6th May, 1893-Accepted, 10th June, 1893
PROVISIONAL SPECIFICATION.
An Improved Filter for Wine and other Liquids.
I, WALTER PARKINSON, Wine Merchant of No. 1 Ludgate Square, Ludgate
Hill London E.C. do hereby declare the nature of this invention to be as
follows:-
This invention consists of a cylinder supported by means of a tripod or any
other convenient form of stand.
The cylinder is closed at the bottom which is slightly concave & fitted with a
tap at the lowest point. The upper end is open, & enlarged so as to form a ledge
upon which to hang a bag of filtering material and is fitted with a moveable
cover.
At a convenient distance from the bottom there is a ledge all round the inside
of the cylinder. This ledge forms the support for a pan containing filtering
material of a finer description than the bag. This pan is removeable & fitted
with a handle or handles for lifting in or out. The pan is so formed that a joint
that is nearly or quite water tight is readily made between the outer side of it,
& the inside of the cylinder.
Air is admitted below the pan by means of an air tube terminating with a pet-
cock, or any equivalent arrangement for effecting this object.
The action of this filter is as follows. The pan is fitted in its position, & filled
with the requisite filtering material, the latter varying somewhat according to the
nature of the liquid to be filtered. A bag of felt filter-cloth or other material is
suspended from the ledge at the top of the cylinder. The liquid to be filtered is
poured into this bag, & the lid put on.
The liquid first filters through the bag which arrests the coarsest impurity and
then passes through the finer filtering material in the pan, thus reaching the lowest
part of the cylinder & is drawn off by the tap fitted to the bottom.
In some cases the bag is dispensed with.
Dated this 7th dox of Tule 1802
WALTER PARKINSON.
COMPLETE SPECIFICATION.
:
An Improved Filter for Wine and other Liquids.
I, WALTER PARKINSON, Wine Merchant of No. 1 Ludgate Square Ludgate
Hill London E.C. 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 :-
This invention consists of a cylinder supported by means of a tripod or any other
convenient form of stand.
The cylinder is closed at the bottom which is slightly concave & fitted with a
tap at the lowest point. The upper end is open & enlarged so as to form a recess
upon which to hang a bag of filtering material, & is fitted with a moveable cover.
At à convenient distance from the bottom there is a ledge all round the inside
of the cylinder. This ledge forms the support for a pan containing filtering
material of a finer description than the bag, or any kind that may be most suitable
for the liquid which has to be filtered. The pan is removeable & so formed that
a joint that is nearly or quite water tight is readily made between the outside of
it, & the inside of the ledge or cylinder. A cover is placed on top of the filtering
material to prevent the latter being disturbed when liquid is poured in to be
Price 8d.l

page_text: filtered. The pan is fitted with a handle, or handles, which pass up through the
filtering material & through the cover for the purpose of removing the pan &
filtering material for cleaning and renewal.
DESCRIPTION OF THE DRAWINGS.
Fig. I is a vertical section of the filter on line A B of Fig. 2.
Fig. 2 is a horizontal section on line C D of Fig. 1.
Similar letters of reference denote corresponding parts in each figure.
a a is a cylinder the top of which is open, & has all round the inside, a recess
from which a bag of filtering material bb, may be suspended.
At any convenient point inside the cylinder a ledge c c is formed for the
purpose of supporting a pan dd which contains the filtering material e e. A water
tight or nearly water tight joint is formed between the pan & the ledge by means
of packing c¹ c¹.
The pan has a perforated bottom & is fitted with a handle which passes
through the filtering material e e and through a cover ff so that the whole can be
readily removed.
The bottom of the cylinder. is slightly concave & fitted with a tap at the
lowest point. Outside the cylinder there is a ledge gg to support it on a tripod or
other stand, and an air tube h admits air to the lower part of the filter.
The action of this filter is as follows. The pan is placed in position & the joint
made; the filtering material is put in the pan & the cover placed over it. The
bag is then suspended from the ledge at the top & the liquid to be filtered poured
into it. It first filters through the bag then passes through the filtering material
in the pan to the lower part of the cylinder & is drawn off by the tap.
Having now particularly described & ascertained the nature of my said inven-
tion & in what manner the same is to be performed, I declare that what I
claim is
A filter with a moveable pan containing the filtering material & having a
handle or handles passing through the filtering material and through any cover
resting thereon, so that the whole may be readily removed for the purpose of
cleaning or renewal fitted & arranged substantially in the manner herein
described & shown in the accompanying drawings.
. Dated this 6th day of May 1893.
WALTER PARKINSON.