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Патент USA US2120580

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June 14,’ 1938.
L. A. SHERMAN
2,120,580
FUSEE
Filed July 15, 1937
2 sheetsfsheet 1'
INVENTOR.
LOUM A??emz'an
1 BY@
.
_
ATTOnNEY.
June 14, 1938.
|_. A. SHERMAN
2,120,580
FUSEE
Filed July 15, 1937
2 Sheets-Sheet 2
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INVENTOR.
Lou/,6 A j/w/mm
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BY
ATTORNEY.
Patented June 14, 1938
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‘UNITED STATES PATENT OFFICE.
2,120,580
FUSEE
Louie A. Sherman, Florissant, Mo., assignor to
Safetee Torpedo Corporation, St. Louis, Mo., a
' corporation of Missouri
.
Application July 15, 1937, Serial No. 153,742
15 Claims.‘ (Cl. 102-24)
This invention'relates generally to visual sig-
the shell may be longitudinally extended, as at
nals and, more particularly, to a certain new
and useful improvement in visual signals of the
A’, to provide an end-chamber a outwardly of
a ?xed end-closure B’ for housing, as during
type commonly known as\fusees.
5
.
shipment or handling, a ground-engaging mem
My invention has for its; primary object the
provision of a fusee which is'fsimple in form and
her C’, which latter is ?xed at an end to a sec- 5
0nd plug or closure B" reversably engageable
_ structure, which may be readily and economically with the shell-end A’ for disposing the member
manufactured, which is substantially waterproof - C’ either outwardly of the ‘shell for ground en
and una?ected by atmospheric conditions, which
gagement or inwardly of the shell for transpor
10 is uniquely constructed for signally burning over
.a selected de?nite period of time, and which is
exceedingly satisfactory and e?‘icient in the 'performance of its intended functions.
And with the above and other objects in view,
_l5 my invention resides in the novel features of
form, construction, arrangement, and combination of parts presently described and pointed out.
in the claims.
In the accompanying drawings (2 sheets) ,—
20
Figure 1 is an elevational, view of a fusee constructed in accordance with and embodying my
invention;
Figure 2 is a longitudinal sectional view of the
fusee, taken approximately along the line 2-2,
tation convenience.
10
Diametrically sized for snugly ?tting, and dis
posed in endwise contiguous or abutting rela
tionship, within the casing or shell A, is a se
lected plurality of preformed preferably cylin
drical combustible units D each embodying in 15
its structure suitable ?re or flame-producing in
gredients, Such, for instance, as potassium per
chlorate, a suitable fuel-forming binder, and a
suitable color-imparting agent. Such latter agent
may be the same in all the units D of a particu- 20
lar fusee, or if desired, and as indicated in Fig
ure 7,‘ the color-agents of the several units D of
a fusee may'vary, S0 that the fusee Will give
forth,_in use, a signal of successively different or
25 Figure, 1;
varying colored ?ame. I
.
Figure 3 is 'a transverse sectional view of the
fusee, taken approximately along the line 3—3,
25
In the construction of the units D, the several
ingredients are suitably moistened, then uni
Figlll‘e 1;
formly intermixed by kneading into a plastic
,Figure 4 is a perspective view of one of the . mass, the mass then divided into substantially
30 combustible units of the fusee; '
equal portions, and the several portions or divi- 30
Figures 5 and 6 are detail fragmental secvtional views of a slightly modi?ed fusee embodying my invention;
,
.
Figure 7 is a broken elevational view of another
35 modi?ed’ fusee embodying my invention; and
sions then uniformly compressed and molded in
a suitable machine or otherwise preformed into
compact individual ‘substantially identical com
bustible units; The individual units D are then
dried and exteriorly coated with a combustible 35
Figure 8 is a perspective view of slightly modi- waterproo?ng ?lm, such, for instance, as paraf
?ed combustible units of the fusee.‘
?ne, each unit D being carefully compounded to
Referring now in more detail and by reference‘ comprise a predetermined quantity of combus
characters to the drawings, which illustrate tible elements, so that its burning period will be
40 practical embodiments of the present invention, accurately and precisely timed. Thus, for in- 40
the fusee comprises an outer open-ended tubular stance, in the preferred embodiment of the
or cylindrical casing or shell -A constructed of fusee here shown, the units D may be formed
any suitable material, such as heavy paper, card- to each burn for precisely two minute periods,
45
board, or the like.
.
so that collectively the‘ ?ve units D will burn
Adhesively or otherwise ?xed t0, and partially for precisely ten minutes.
' 45
?tting within, the shell A at its lower extremity, -~ Also disposed within' the tube or casing A at
in the preferred form of the fusee, as best seen the upper extremity thereof, is a striker-unit E,
in Figure 2, is a closure preferably in the form
of a peripherally shouldered wooden plug B, and
50 suitably engaged at an end with the plug B, is
a centrally disposed axially outwardly presented
nail-like spike C adapted for ground engagement or the like for operatively supporting the‘
wfusee in upright signalling or burning position.
55
If desired, and as best seen in Figuresg’? and '7,
1
v
which is substantially of disk-shape and integral
ly includes a dome-like or “matc ” portion e
of suitable chemical composition for friction ig- 50
nition and an underlying portion e’ composed
of highly ignitable materials for ready combus
tion for communicating the ?ame to the imme
diately adjacent or contiguous combustible unit D.
When the tube A has been suitably ?lled or 55'
2,120,580
loaded with the desired-number of combustible of substantially ,similar preformed cylindrical
units D and the superimposed striker-unit E, the combustible units’ disposed snugly within the shell
tube A at its upper margin is crimped downwardly in endwise contiguous relationship, each unit be
ing coated with a waterproof ?lm having the
and inwardly, as at a, in ?rm retentive engage
ment with the marginal portion of the upper face characteristic, when exposed to_ heat, of gen
of the striker-unit E, as best seen in Figure 2.
In use, the fusee is grasped ?rmly and the
erating a readily ignitable ?uid.
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5. A fusee comprising a tubular shell, a plu-'
outwardly presented arcuate face of the striker - rallty of ?ame-producing preformed combustible
portion e of the unit E drawn vigorously across units housed incontiguous relation within the
10
10 a rough abrasive surface to initiate combustive shell, and a combined striker-and-combustible
chemical reaction, setting off the readily ignitable member disposed in and partially projecting out
portion e’ of the striker-unit E, which, in turn, wardly from an‘ end of the shell for ignition of
.
communicates the ?ame to the top portion of the the adjacent housed unit.
6.‘ A fusee comprising a shell, and a plurality
uppermost combustible unit D. This ?rst unit D
of preformed cylindrical combustible units dis 15
15 burns smoothly and uniformly downwardly, emit
ting a relatively tall column of readily visible posed snugly within the shell in endwise con
tiguous relationship, each of the units being of
?ame or ?re, which serves as a visual signal warn
ing. As the ?rst unit D is consumed, the ?ame substantially the same size,‘ shape, and weight
is immediately communicated to the second, unit ' and adapted for ?ame-producing combustion ap
proximately over a precise and de?nite period
20' D, and then subsequently to the third, fourth,
and ?fth units D, each unit D burning, in turn, of time.
7. A fusee comprising a shell, a plurality or]
for its de?nite and selected period of time, thus
producing a visual signal of precise duration and preformed cylindrical combustible units disposed
of a de?nite color. And, further, if desired, the snugly within the shell in ‘endwise contiguous
relationship, each of the units being of substan
25 several units of a fusee, as units D', Figure 8,
tially the same size, shape, and weight and adapt
may be constructed for interengagement for in
creasing or facilitating the ?ame-communication ed for ?ame-producing combustion approximately
over a precise and de?nite period of ‘time, and
the one to the other, as, for instance, by a tongue
a combined striker-and-combustible member dise
and groove joint F, F’, as shown.
Thus, by my present invention, I provide a posed in and partially projecting outwardly from
30
visual signal or fusee which may be readily and an end of the shell for ignition of the adjacent
unit.
accurately standardized for burning over ‘a pre
8. A fusee comprising.a shell, a plurality ofv
cise and predetermined period of time,‘ in which
?ame-producing preformed combustible units dis-.
the chemical ingredients are uniformly and homo
posed in superposed relation within the shell, and
35 geneously'compounded in such manner that they
will burn with a uniform, ‘constant, and steady a combined striker-and-combustible member dis
?ame and will not become strati?ed or dissociated posed in and partially projecting outwardly from
through handling, and which are arranged in a an end of the shell for ignition of the adjacent
unit, the shell being crimped in marginal secur
waterproof manner so as to be substantially im
ing engagement with said member. '_
pervious against atmospheric changes and con
9. A fusee comprising a shell, and a plurality
ditions. It will be evident also that, in accord
of preformed combustible units snugly housed in
ance with my invention, fusees' of varying dura
tion and interval may be readily and conveniently superposed endwise relation within the shell and
manufactured by utilizing longer or shorter tubes constructed for producing’ a ?ame-signal of suc
A, which, in turn, may be charged or loaded with cessively different colors.
10. 'A fusee comprising a shell, and a plurality
any desired number of similar units D, as the case
of flame-producing preformed combustible units
may be.
housed within the shell in endwise interengaging
It should be understood that changesand modi
?cations in the form, construction, arrangement,
11. A fusee comprising a shell, and a plurality
60 and combination of the several parts of the fusee of preformed combustible units each having an.
may be made and substituted for those herein
shown and described without departing from the in?ammable covering disposed within the shell
in contiguous relationship.
’
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nature and principle of my invention.
12. A‘ fusee comprising a shell, and a plurality
Having thus described my invention, what I
'of substantially similar preformed combustible
55, claim and desire to secure by Letters Patent is,
-1. A fusee comprising a shell, and a plurality units each coated with 'a readily ignitable water- ‘
proof ?lm disposed within the shell in contiguous
of preformed combustible units in superposed re
lation within the shell, each unit being .con
13. A fusee comprising. a shell and .1. plurality‘
structed to burn approximately throughout a pre-v
relation.
relationship.
determined period of time.
of substantially similar preformed combustible
units in snug superposed relation within the
shell, each unit being constructed to burn ap
proximately -throughout a predetermined period
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of ?ame producing preformed combustible units
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2. A fusee comprising a shell, and a plurality
of time.
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,
3. A fusee comprising a shell, and a plurality
of substantially similar preformed‘ cylindrical
combustible units disposed snugly within the shell
70 in endwise contiguous relationship, each unit
being constructed to burn approximately through
out a predetermined period ofrtime. ’
4.'A fusee comprising a shell, and a plurality
housed within the shell, said units on opposed
faces having inter?tting projections and
.
14. A fusee comprising a shell, and a plurality
of preformed combustible units housed within
the shell in contiguous relationship, each unit
having an inflammable covering and each unit
being constructed to burn approximately
throughout a predetermined period of time.
15. A fusee comprising a combustible shell and
a plurality of preformed combustible units housed 10
in abutting relationwithin the shell.
LOUIEA.
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