Improvements in Metallic Tubular Cases for Holding Various Articles.
Year: 1891

page_text: Date of Application, 7th Aug., 1891
Complete Specification Left, 7th May, 1892-Accepted, 11th June, 1:92
PROVISIONAL SPECIFICATION.
Improvements in Metallic Tubular Cases for Holding Various
Articles.
I, ERNST AUGUST JAHNCKE, of Canonbury Works, Dorset Street, Islington,
in the County of Middlesex, Metallic Box Manufacturer, do hereby declare the
nature of this invention to be as follows:-
My improvements in metallic tubular cases relate: first, to a mode or means for
securing the end caps or covers; and secondly to a mode of securing a division
plate, disc, or cup, (or plates, discs, or cups) at any depth in the case so as to divide
it into two (or more) compartments.
The tubular case is constructed of sheet metal bent to form a cylinder with
overlapping edges, one of which is slightly depressed to receive the other and so
form a flush joint. At or near each of the ends or extremities of the tubular case,
I form outwardly projecting bosses or protuberances, or the like, which, when the
caps or covers are fitted on, are caused, by reason of the flexibility or elasticity of
the tubular case, to enter a groove, recess or channel formed in the rim or edge of
each of these covers and to thus firmly retain the same in place.
To apply the caps or covers it is only necessary to slightly compress the end
portions of the tubular case and to then place the covers over them, and when
pressure is released and the tubular case allowed to return to its normal position
this will cause the bosses, projections, or the like, to enter the groove, recess, or
channel in the lids or covers, as before stated.
The lids or covers are, by preference, formed or provided with a downwardly
projecting index or pointer capable of travelling over the surface of the tubular
case when the lid or cover is turned or revolved. And this index may be utilized
to point to any suitable indication or inscription printed thereon, or which may be
contained on a label, or the like, affixed to the body of the case.
In order to secure the division plate, disc, or cup within the tubular case,
the depressed portion of the underlying edge of the case has a small piece cut out
of it into which the plate or disc or cup, after insertion, is snapped and thereby
retained.
Or the dished cup, plate, or disc may be simply fitted into the tubular case so as
to be capable of being moved to any desired position therein in order to form a
compartment of any required depth.
A tubular case thus constructed may be used to contain pens, pencils, advertise-
ment sheets, charts, maps, and other suitable articles, there being no fear of the
covers becoming unintentionally detached and allowing the contents of the case to
escape. It may also be utilized as a ruler, and as the caps or covers are each
provided with a projecting rim or flange, as before mentioned, these will act as
wheels or rollers to the ruler, and as means for allowing it to pass over the writing
(when in ink) without smearing or blotting the same, and also to prevent any ink,
which may have found its way on to the ruler, from becoming transferred to the
paper.

page_text: "
COMPLETE SPECIFICATION.
.
Improvements in Metallic Tubular Cases for Holding Various
Articles.
1, ERNST AUGUST JAHNCKE, of Canonbury Works, Dorset Street, Islington in
the County of Middlesex, Metallic Box 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, reference being had
to the accompanying drawings and to the letters and figures marked thereon, that
is to say :-
My improvements in metallic tubular cases relate: first, to a mode or means for
securing the end caps or covers, and secondly to a mode of securing a division plate,
disc, or cup (or plates, discs or cups) at any depth in the case so as to divide it into
two (or more) compartments.
The tubular case is constructed of sheet metal, bent to form a cylinder with
overlapping edges, one of which is slightly depressed to receive the other, aud
so form a flush joint. At or near each of the ends or extremities of the tubular
case, I form outwardly projecting bosses or protuberances, or the like, which
when the cups or covers, as fitted on, are each caused, by reason of the flexibility
or elasticity of the tubular case, to enter a groove, recess, or channel formed
in the rim or edge of each of these covers, and to thus firmly retain the same
in place.
To apply the caps or covers it is only necessary to slightly compress the end
portions of the tubular case and to then place the covers over them, and when
pressure is released and the tubular case allowed to return to its normal position,
this will cause the bosses, projections, or the like, to enter the groove, recess, or
channel in the lids or covers, as before stated.
The lids or covers are, by preference, formed or provided with a downwardly
projecting index or pointer capable of. travelling over the surface of the tubular
case when the lids or covers are turned or revolved. And this index may
be utilized to point to any suitable indication or inscription printed on the said
tubular case, or which may be contained on a label, or the like, affixed to the body
of the case.
In order to secure the division plate, disc, or cup within the tubular case,
the depressed portion of the underlying edge of the case has a small piece cut
out of it, into which the plate, or disc or cup, after insertion, is snapped and thereby
retained.
But the dished cup, plate, or disc may be simply fitted into the tubular case so
as to be capable of being moved to any desired position therein, in order to form
a compartment of any required depth.
A tubular case thus constructed may be used to contain pens, pencils, advertise-
ment sheets, charts, maps, and other suitable articles, there being no fear of the
covers becoming unintentionally detached and allowing the contents of the case
to fall out. It may also be utilized as a ruler, and as the caps or covers are each
provided with a projecting rin or flange, as before mentioned, these will act as
wheels or rollers to the ruler, and as means for allowing it to pass over the
writing (when in ink) without smearing or blotting the same, and also to prevent
any ink which may have found its way on to the ruler from becoming transferred
to the paper.
And in order that my invention may be readily understood, I proceed to
describe the same fully with reference to the accompanying drawings, in which :
Fig. is an elevation of the tubular case with one of the end caps or covers
removed, and Fig. 2 is a longitudinal section of the same. Fig. 3 is an end

page_text: view of the uncovered extremity of the case. Fig. 4 is a vertical section of one of
the end caps or covers, and Fig. 5 is a cross section of the case, taken on the line 1, 1,
of Fig. 2.
the case.
a is the tubular case formed of sheet metal and having both its extremities
formed with a series of outwardly projecting protuberances or bosses a¹ whereby
these extremities assume a somewhat larger diameter than the other portion of
The edges a³, a³, of the case are not made to butt one against the
other, but are caused to overlap, as is best seen in Fig. 3, the inner edge a² being
slightly depressed so as to receive the edge and to render the case smooth anil
even on its exterior. When pressure is applied to either end it can readily be
contracted, the edge a³ passing over the edge a², and the diameter of the end can
thus be reduced so as to receive one of the end caps or covers b. These end caps or
covers are formed with a groove, recess, or channel b', and with a neck b³, having
an internal diameter approximating that of the exterior of the case. Thus,
when an end cap has been applied, and the pressure on the end of the case
is released, the edges a², a³, resume their normal position by reason of the elasticity
of the case, and the protuberances a enter the groove in the end cap,
thereby preventing it from being removed without again compressing the end of
the case.
Either or both of the end caps may be furnished with an index or pointer 63
which can be used for pointing to any desired inscription with which the case may
be externally provided.
The protuberances a¹ do not extend entirely around the case, but a portion
is left smooth, as seen at Fig. 3 so that there may be no impediment to the
free movement of the edges a², a³, when the ends of the case are compressed ;
and to allow the cap to pass freely over the overlapping edge a portion of the
underlapping edge is cut away at d so as to allow either extremity of the tube to
be compressed freely.
When it is desired to provide the case with a division plate, disc, or cup, or
plates, discs, or cups, so as to form partitions c, I form the inner or underlying
edge a with any suitable number of notches at (Fig. 2) one for each division plate,
cup, or disc.
These notches, by reason of their being formed in the edge a²
(which latter as is clearly seen in Figs. 2 and 5, protrudes slightly on the inside
of the case) constitute recesses for the reception of the division plate, cup, or
disc, or plates, cups, or discs, and thus effectually retain them in position. Or
the division plates, cups, or discs, instead of fitting into the notches in the under-
lying edge, may themselves be notched or depressed on their edge or side,
as seen in Fig. 6, and so fit onto or engage with the underlying edge at of
the tube.
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. A resilient metallic tubular case having its extremities formed with pro-
tuberances or bosses adapted to enter detachable end caps or covers, on the ends of
said tubular case being contracted, substantially as described and for the purposes
set forth.
2. The combination with a resilient metallic tubular case having protuberances
or bosses formed on its extremities, of detachable metallic caps having a groove,
recess, or channel adapted to engage with such protuberances or bosses, and to
be thereby retained in place on the tubular case, substantially as described and
shown.
3. The combination with a resilient metallic tubular case, as above claimed, of a
division plate, cup or disc, or division plates, cups or discs retained in place by a notch
or notches cut in the underlying portion of the interior edge of the said tubular case,
substantially as described and shown.

page_text: 4. My improvements in metallic tubular cases, substantially as hereinbefore
described and shown in the annexed drawings.
Dated this 5th day of May 1892.
ERNEST DE PASS,
Chartered Patent Agent,
78, Fleet Street, London, and 6, Victoria Street, Nottingham,
Agent for the Applicant.