Improvements in and relating to Siphons for Water-closet and other Cisterns.
Year: 1895

page_text: Complete Specification Left, 17th Jan., 1896-Accepted, 22nd Feb.,
1896
PROVISIONAL SPECIFICATION.
Improvements in and relating to Siphons for Water-closet and
other Cisterns.
I, DAVID RICHMOND of 73 West Regent Street in the County of the City
of Glasgow, Ironfounders Agent, do hereby declare the nature of my invention to
be as follows:-
This invention relates to improvements in siphons for water-closet and other
cisterns, and whereby rubber and other sucker valves will be dispensed with.
According to my improvements I fit within the cistern a discharge siphon pipe
extending to above the top level of the water, and then having a limb turned round
and bent down to near the bottom of the cistern.
Another limb is taken from the discharge pipe at a point preferably below the
high water level mark in cistern and is bent down to near the bottom of cistern,
and then is turned and extends some distance up where it has an open end.
A cylindrical air vessel with open lower end and close top end preferably weighted,
is fitted to move over the open ended siphon limb, and the end of the usual pull
cord or chain is attached to same.
The action is as follows:-
When the air vessel is pulled up the siphon action will be started, the water
flowing up the air vessel and then down the open end of limb from which it will
flow up the other part of U-shaped limb to the discharge pipe. This action will
start the other duplex limb of siphon, and the outflow action of water will go on.
continuously through both limbs until the cistern has been emptied.
Dated the 16th dor of Anril 1805
W. R. M. THOMSON & Co.,
96 Buchanan Street, Glasgow, Agents.
Improvements in and relating to Siphons for Water-closet and
other Cisterns.
I, DAVID RICHMOND, of 73 West Regent Street, in the County of the City
of Glasgow, Ironfounders Agent, do hereby declare the nature of my invention,
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement in writing, that is to say :-
This invention relates to improvements in siphons for water closet and other
cisterns, and whereby rubber and other sucker valves will be dispensed with.
And in order that my said invention and the manner of carrying same into
practice may be properly understood, I have hereunto appeuded an explanatory
sheet of drawings in which
Figure 1 is an elevation showing my improved siphon fittings complete as applied
to a cistern, while
Diour is a cention of the cinhon fittings

page_text: Keferring to said drawings:-
According to my improvements I fit within the cistern A a discharge siphon
pipe a extending to above the top level of the water, and then having a limb a¹
turned round and bent down to near the bottom of the cistern.
Another limb b is taken from an opening a in discharge pipe a at a point
preferably below the high water level mark is cistern A, and is bent down to near
the bottom of cistern, and then is turned at 6 and extends some distance up at b
where it has an open end. A cylindrical air vessel c with open lower end and close
top end preferably weighted is fitted to move over the open ended siphon limb b
and the end of the lever c' to which the usual pull cord or chain e' is attached is
connected to same.
The action is as follows: :-
When the air vessel c is pulled up, the siphon action will be started, the water
flowing up the air vessel c and then down the open end of limb 62 from which it will
flow along the other parts 6' 6 of U-shaped limb to the opening a³ in the discharge
pipe a. This action will start the other duplex limb a¹ a of siphon, and the outflow
action of water will go on continuously through the limbs until the cistern has been
emptied. A moveable loose liner with closed top may be fitted over the limb b
within the air vessel c so that when the latter is drawn up it will suck this liner
with it, but the latter will fall at the end of the upward pull.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
The improved duplex siphon fittings constructed and acting in the manner herein
described in reference to and shown in the accompanying drawings.
Dated 16th January 1806
W. R. M. THOMSON & Co.,
96 Buchanan Street, Glasgow, Agents.