Improvements in and Connected with the Manufacture of Steel Projectiles.
Year: 1888

page_text: Date of Application, 18th Dec., 1888
Complete Specification Left, 18th Oct., 1889-Accepted, 23rd Nov., 1889
PROVISIONAL SPECIFICATION.
Improvements in and Connected with the Manufacture of Steel
Projectiles.
I ROBERT ABBOTT HADFIELD of Sheffield in the County of York Steel Manu-
facturer do hereby declare the nature of this invention to be as follows:-
This Invention has for its object to greatly facilitate the operation of polishing or
smoothing hollow steel and other steel shells by entirely dispensing with the operations
of grinding and turning as heretofore practised and substituting therefor the operation
of reeling or rolling thus effecting an enormous economy in the time labor and
expense hitherto attendant upon the operation of polishing or smoothing such shells.
This I effect by passing one or more hollow steel or other steel shells while hot
between suitable rolls or rollers a suitable bed being provided to support the shell
or shells during the operation and reeling or rolling the shell or shells between
such rolls or rollers. These latter may be of any suitable form and dimensions
and operated in any convenient manner so that the shell or shells operated upon
may be either wholly or partially reeled rolled polished or smoothed as desired.
ELT & Co.,
33, Southampton Buildings, Holborn, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in and Connected with the Manufacture of Steel
Projectiles.
I ROBERT ABBOTT HADFIELD of Sheffield in the County of York Steel Manu-
facturer, 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 has for its object to greatly facilitate the manufacture of hollow
steel and other steel shells by entirely dispensing with the operations of grinding
and turning as heretofore practised and instead thereof mechanically reeling or rolling
the same thus effecting a considerable economy in time labor and expense.
This I effect by passing a hollow steel or other steel shell while hot between two
rolls a suitable bed being provided to support the shell during the operation and
reeling or rolling the shell between such rolls-These latter may be of any suitable
form and dimensions and operated in any convenient manner so that the shell operated
upon may be either wholly or partially reeled or rolled as desired.
To carry out my invention I construct a machine which consists of a suitable
frame A whereon two rolls B are mounted-Such rolls aro each carried on a shaft C
fitted at one end with a spur pinion D-These spur pinions are driven by a central
pinion E which is keyed on a shaft F-G (Fig. 3) is a shaft having fast and loose
pulleys H. J. fitted at one end and a spur pinion K at the other end-These fast and
loose pulleys receive motion from any suitable motor while the pinion K transfers
such motion to the pinion E.
A convenient space is left between the rolls B wherein to place the shell which is
supported on a revolving roller L carried in bearings -When the shell has been
placed between the rolls B the latter are adjusted in position by means of sliding
bearings M which are regulated by screw spindles N furnished with handles X (Fig. 2)
by which they are operated-0 are fixed bearings which carry the roller shafts C-
In order to facilitate the accurate adjustment of the rolls suitable indicators or
017

page_text: pointers (Fig. 3) are fitted to the machine which serve to assist the operator in
accurately adjusting the same.
Strong spiral springs m (Figs. 1. 2.) are fitted between the bearings M and O by
the operation of which springs the sliding bearings M are caused to return to their
normal position-The rolls may correspond in size with each other or they may be
made of a different diameter so as to vary the speed at which the shell is reeled or
rolled.
Fig. 1 of the accompanying drawings is a plan view of a reeling or rolling machine
constructed according to my invention-Fig. 2 is an end elevation and Fig. 3 a front
elevation thereof.
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. The machine for reeling or rolling steel projectiles constructed arranged
combined and fitted all substantially in the manner hereinbefore described and
shown.
2. The improved method of reeling or rolling steel projectiles substantially as
hereinbefore described and shown.
Dated this
18th day of October 1889
ELT & Co.,
33, Southampton Buildings, Holborn, London, Agents for the Applicant.
ELT & Co.,
33, Southampton Buildings, Holborn, London, Agents for the Applicant.