IMPROVE- MENTS IN DIP PIPES FOR REGULATING THE SEAL IN HYDRAULIC MAINS USED IN THE MANUFACTURE OF GAS
Year: 1872

page_text: LETTERS PATENT to Samuel Chandler, senior, Samuel Chandler,
junior, and Josiah Chandler, of London Road, Southwark, in the
County of Surrey, Gas Engineers, for the Invention of "IMPROVE-
MENTS IN DIP PIPES FOR REGULATING THE SEAL IN HYDRAULIC MAINS USED
IN THE MANUFACTURE OF GAS."
Sealed the 10th October 1872, and dated the 14th August 1872.
COMPLETE SPECIFICATION filed by the said Samuel Chandler, senior,
Samuel Chandler, junior, and Josiah Chandler at the Office of the
Commissioners of Patents, with their Petition and Declaration, on
the 14th August 1872, pursuant to the 9th Section of the Patent
Law Amendment Act, 1852.

page_text: WHEREAS we are in possession of an Invention for "IMPROVEMENTS
IN DIP PIPES FOR REGULATING THE SEAL IN HYDRAULIC MAINS, USED IN THE
MANUFACTURE OF GAS," and have petitioned Her Most Excellent. Majesty
Queen Victoria to grant unto us, our executors, administrators, and
assigns, Her Royal Letters Patent for the same, and have made solemn 5
Declaration that we are the first and true Inventors thereof.
3
NOW KNOW YE, that we, the said Samuel Chandler, senior, Samuel
Chandler, junior, and Josiah Chandler, do hereby declare the nature
of the said Invention to be as follows:-
.
Our Invention is designed for regulating the depth of seal in the 1
hydraulic main by means of turning the hand wheel A (shewn on
the Drawings hereunto annexed) which either raises or lowers the
regulating "dip pipe" into or out from the hydraulic main, and so gives
the dip required.
The letter A indicates the hand wheel which is fixed on to a screwed 1
rod B, which rod passes through a flange C, back nut A', and female
screw D. The lower. end of the same rod being connected to the dip
pipe E by means of a cross bar F, to the top of which dip pipe--is
attached the sealed chamber G; H.is the seal cup which is charged with.
water or other liquid, into which the seal chamber G either ascends or 2
descends with the dip pipe E, as may be required.
L
I shews the guage cock for testing the seal; J is a male screw on
the dip pipe E passing through a female screw K fixed on to an
hydraulic main. M,-which-screws J, K, we-of-course purpose using
conjointly with or separately from the scal cup and chamber G, H.-2
Likewise we purpose using the seal cup and chamber G, H, conjointly
with or separately from the male and female screws J, K; L shews
"H" pipe applied to our apparatus, the arrows 1, 2, and 3 indicating
the passage
of gas.
Having thus described the manner in which our Invention is carried 3
into effect, we wish it to be understood that we not limit ourselves to the
precise details herein-before described, as the same may be varied
without departing from the nature of our said Invention, but what
we do claim as our Invention is, the regulating the seal in the hydraulic
main by means of the regulating "dip pipe" E in combination with the 3

page_text: hand wheel A, screwed rod B, flange O, female screw D, cross bar F, seal
chamber G, seal cup H, guage cock I, and male and female screws J, K,
constructed and arranged substantially as and for the purpose herein
described and set forth.
In witness whereof, we, the said Samuel Chandler, senior, Samuel
Chandler, junior, and Josiah Chandler, have hereunto set our
hands and seals, this Thirteenth day of August, in the year of
our Lord One thousand eight hundred and seventy-two.
Witness,
GEORGE MARSHALL.
SAMUEL CHANDLER, Senior. (L.S.)
SAMUEL CHANDLER, Junior. (L.s.)
JOSIAH CHANDLER.
(L.S.)