Improved Coupling or Joint for Pipes.
Year: 1890

page_text: Date of Application, 12th Sept., 1890
Complete Specification Left, 11th June, 1891-Accepted, 11th July, 1891
PROVISIONAL SPECIFICATION.
Improved Coupling or Joint for Pipes.
I, EDWIN BATTY MANN, of 85 New Briggate, Leeds, Furniture Dealer, do
hereby declare the nature of this invention to be as follows
The object of my invention is to provide the part which screws onto the pipe or
pipes with means so that it can be more readily screwed or adjusted as required.
I make the piece which screws onto the pipe or pipes with corrugations or other
suitable projections, or similar means, so as to give the "dog" a more ready and
secure grip.
Dated this 11th day of September 1890.
JOHN E. WALSH,
Royal Exchange Chambers, Boar Lane, Leeds,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improved Coupling or Joint for Pipes.
I, EDWIN BATTY MANN, of 85 New Briggate, Leeds, Furniture Dealer, 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 :-
My invention relates to improved coupling or joint for pipes or tubes.
The object of my invention being to provide the part which screws onto the pipe
or pipes (and which hitherto has been plain) with means so that it can be more
readily screwed on or adjusted as required.
I, EDWIN BATTY MANN, of 85 New Briggate, Leeds, Furniture Dealer, 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 :-
My invention relates to improved coupling or joint for pipes or tubes.
The object of my invention being to provide the part which screws onto the pipe
or pipes (and which hitherto has been plain) with means so that it can be more
readily screwed on or adjusted as required.
DESCRIPTION OF DRAWINGS.
Fig. 1. is a side elevation showing my improved coupling or joint.
Fig. 2. is a plan of Fig. 1.
Fig. 3. is a modification of Fig. 1.
In carrying out my invention I make the coupling piece or union A of weldless
malleable iron, or of wrought iron, or of steel, and provide such preferably with
corrugations B such as shown.
The said union or coupling may also have bosses C in the form of a square,
hexagon, octagon or other suitable shape.
On the application of the "dog" to the joint a more secure and better grip
is obtained and the parts can be screwed home without the "dog" slipping, which
hitherto has been unavoidable in making joints of this nature.
I prefer however, to make the unions or coupling pieces from weldless tubing,
such as made by Mannismann's of South Wales.
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 :-
1. In couplings or joints for pipes or tubes the employment of unions or
coupling pieces, having corrugations or other such means thereon as and for the
purposes herein set forth.

page_text: 2. In couplings or joints for pipes or tubes the employment of unions or
coupling pieces having corrugations or other such means in combination with bosses
or nuts substantially as shown and described.
Dated this 10th day of June 1891.
JOHN E. WALSH,
Royal Exchange Chambers, Boar Lane, Leeds,
Agent for the Applicant.