Improvements in the Manufacture of Flanged Tubes.
Year: 1894

page_text: Date of Application, 17th July, 1894
Complete Specification Left, 16th Apr., 1895-Accepted, 18th May, 18)5
PROVISIONAL DILLICATION.
Improvements in the Manufacture of Flanged Tubes.
near
I, HENRY HOWARD, of Coomb's Wood Tube Works, Halesowen
Birmingham, Manufacturer, do hereby declare the nature of this invention to be as
follows:-
According to this invention the flanged end of the tube is formed from a straight
piece of angle iron or steel bent round into a ring and having its ends welded
together. This angle iron or steel is of peculiar section the portion forming the
flange being considerably thicker than the other portion which latter is of the same.
thickness as the tube of which it is to form part.
After the ring has been made the end is scarfed, as also the end of the pipe to.
which it is to be welded. The welding can be done either by revolving the pipe in
the lathe and allowing the electric arc to play over the portion that is to be welded,,
and when sufficient heat is obtained, closing the weld by means of internal and
external rollers; or the weld can be made either by the direct application of the
arc, gas, or out of a fire. This method entirely gets rid of what in usual practice,
is the weakest place in flanging, namely, where the thin tube is united to the flange..
The flange can also be stamped out of a solid piece under a steam hammer, or made
in a tire bending machine.
D
1
CT.11801
HENRY HOWARD.
Improvements in the Manufacture of Flanged Tubes.
I, HENRY HOWARD, of Coomb's Wood Tube Works, Halesowen, near
Birmingham, Manufacturer, 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 :-
According to this invention the flanged end of the tube is formed from a straight
piece of angle iron or steel bent round into a ring and having its ends welded
together. This angle iron or steel is of peculiar section the portion forming the
flange being considerably thicker than the other portion which latter is of the same
thickness as the tube of which it is to form part.
After the ring has been made the end is scarfed, as also the end of the pipe to
which it is to be welded. The welding can be done either by revolving the pipe in
the lathe and allowing the electric are to play over the portion that is to be welded,
and when sufficient heat is obtained, closing the weld by means of internal and
external rollers; or the weld can be made either by the direct application of the
arc, gas, or out of a fire. This method entirely gets rid of what in usual practice,
is the weakest place in flanging, namely, where the thin tube is united to the flange.
The flange with its tubular extension can also be stamped out of a solid piece under
a steam hammer, or made in a tire bending machine or otherwise.

page_text: DESCRIPTION OF THE DRAWINGS.
Figure 1 is a transverse section of the angle iron or steel from which the flange
is made, and Figure 2 is a longitudinal section of the tube and flange ready for
welding together.
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 :-
:-
1. The manufacture of flanged tubes by welding unflanged tubes to short tubes
made in one piece with the flanges substantially as described.
2. The manufacture of flanged tubes by welding unflanged-tubes to rings formed
of angle iron or steel substantially as described.
3. The manufacture of flanged tubes substantially as described and shown in the
drawings.
HENRY HOWARD.