IMPROVEMENTS IN THE MANUFACTURE OF PILLARS, POSTS, COLUMNS, MOULDINGS, AND BUILDINGS WHEN CORRUGATED METAL IS EMPLOYED, AND IN MACHINERY USED IN CORRUGATING, MOULDING, AND SHAPING METAL FOR SUCH PURPOSES
Year: 1863

page_text: PROVISIONAL SPECIFICATION left by Edwin Maw at the Office of
the Commissioners of Patents, with his Petition, on the 16th July
1863.
I, EDWIN MAW, of Leamington, in the County of Warwick, do hereby
declare the nature of the Invention for "IMPROVEMENTS IN THE MANUFACTURE
OF PILLARS, POSTS, COLUMNS, MOULDINGS, AND BUILDINGS WHEN CORRUGATED METAL
IS EMPLOYED, AND IN MACHINERY USED IN CORRUGATING, MOULDING, AND SHAPING
METAL FOR SUCH PURPOSES," to be as follows:-
This Invention has for its object improvements in the manufacture of pillars,
posts, columns, mouldings, and buildings when corrugated metal is employed,
and in machinery used in corrugating, moulding, and shaping metal for such
purposes. For these purposes, in constructing pillars, posts, and columns
when using corrugated metal, each pillar, post, or column is made of a square
section, with the angles rounded off, and each of the sides is hollow or
concave, so that the exterior of a post, pillar, or column will consist
longitudinally of four convex and four hollow or concave surfaces.
forming such pillars, posts, or columns, it is preferred to connect the corrugated
plates by overlaps longitudinally, each plate being corrugated longitudinally.
In

page_text: Two or more longitudinal plates are used (each in one or more pieces) to
form a pillar, post, or column. In cases requiring it, I fix hollow distance
pieces or stays at intervals apart within a post, pillar, or column, so as to add
to the stiffness and strength. In order when posts, pillars, or columns con-
structed as above explained are to be used as telegraph posts, lamp posts, and
for other uses where they have to be fixed in the ground and stand separate,
I use therewith in each case a base plate flanged all round with an opening in
the centre, or a boss to receive the lower end of the pillar, post, or column.
A metal frame with panels of corrugated metal more or less closed at the
sides, or with arms, is also used in some cases, in order to support such and
other posts, pillars, and columns. In some cases I employ on such base plate
or frame triangular webs or buttresses of corrugated metal rising vertically
from the base plate up the pillar, post, or column to such height as may be
desired; and in some cases I surround the lower end of a column, pillar,
or post which enters the earth with a metal frame, which is fixed to a base
plate or otherwise to the pillar, post, or column, and I introduce panels,
uprights, or sheets of corrugated metal into such frame and into the base
plate. More or less of the frame is to be below the surface of the earth when
fixed, and the space between the interior of the frame and the column, pillar,
or post is to be filled in with earth or concrete.
In constructing the roofs, upright walls, or sides, and in some cases par-
titions of buildings, where corrugated sheets or plates are used double, and
at a distance apart, it is preferred that the corrugations which are convex
outwards of the outer plate should be opposite to and parallel with the
corrugations of the inner plates, which are also convex outwards, whilst the
corrugations of both plates which are convex towards the space which is
between the two sets of plates should be parallel and opposite to each other.
Between such two sets of plates I introduce distance pieces or stays, which
are formed with corrugated flanged edges, and such stays or distance pieces
are fixed, by preference, by screws and nuts, the nuts being formed with bent
projections or horns to facilitate the turning of such nuts.
In constructing machinery for corrugating sheet metal, a moveable bed or
table is mounted on several rollers, so as to be able to be moved freely
horizontally. On the under side of this bed or table is, by preference, a rack
or racks, but other modes of moving the table may be resorted to.
On a
shaft, which is below the table, is a pinion or pinions, which take into the
rack or racks on the under side of the table, and thus give motion thereto.
This shaft by a spur wheel gives motion to another spur wheel of like diameter

page_text: to itself, which is on an axis of a roller the surface speed of which is the same
as the surface speed of the bed or table. On to the bed the corrugating or
moulding dies are placed, with a sheet of metal between them, and the dies are
progressively pressed more and more together by the roller acting on an
incline on the upper surface of the upper die.