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Патент USA US3043481

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July 10, 1962
‘J. R. COULSON ETAL
3,043,471
' END-CLOSURE
Filed Dec. 31, I957
1
enl.-
INVENTORS
JOHN R. 00UL$0II
WALTER EJLLEUELLYII
1
United .‘States Patent
P
V
I-
7
.
3,043,471
Patented July 10, 1962
1
2
being stacked atop the ?rst, the bail is depressable and
3,043,471
'
’
'
END-CLOSURE
John R. Coulson, Hagerstown, Md., and Walter E.
Llewellyn, Falling Waters, W. Va., assignors to E. I.
du Pont de Nemours and Company, Wilmington, Del.,
a corporation of Delaware
Filed Dec. 31, 1957, Ser. No. 706,337
1 Claim. (Cl. 220-96)
will be forced down to lie generally ?at against the upper
surface of the cover member. When the downward
force is removed, the bail reverts to its partially-elevated
position.
In order to more fully understand the invention, ref
erence is now made to the accompanying drawing in
which FIGURE 1 represents an elevational view of the
novel end-closure assembly of the container of the pres—
The present invention relates to a novel container, 10 ent invention. FIGURE 2 represents a top view of the
and especially to a novel end-closure assembly to ‘be
end-closure assembly of FIGURE 1, and FIGURE 3
used therewith. More particularly, the present inven
tion relates to anovelcontainer for use in the packaging
of bulk material, such as blasting compositions, which
container must at times be carried from place to place by 15
hand.
. There are numerous instances in the packaging arts in
“
4Lu.
represents a condensed side view of portions of two con
tainers having the top end-closure assembly of FIGURE
2 with portions being broken away for illustration pur
poses.
-In the drawing 1 represents the novel top end-closure
assembly of the present invention in its entirety. The
which it is necessary to provide a container with a handle
end-closure consists of a cover member 2 to which is
which may be grasped manually to lift the container
affixed a wire bail 3. The wire bail is for-med of spring
and to transport it from place to place. For example, 20 stock as will be more particularly hereinafter described.
a variety of blasting compositions for use in the mining
For illustration purposes the cover member 2 is shown
as being circular in con?guration and the description
and quarrying arts are packaged in large cyclindrical
will be on this basis throughout the speci?cation. It is
containers. The top cover of such containers is fre
to be expressly understood however that the end-closure
quently provided with a wire bail which can be grasped
manually by the’operator in the ?eld to transport the 25 may be ,made in other con?gurations such as elliptical,
square, hexagonal, etc., for use with correspondingly
container.‘ In the case of a blasting agent, the bail may
shaped containers and all such end-closures as otherwise
also be used as a means for attaching a rope to the
contain the features of the invention are contemplated
container so that the container may be lowered into a
bore-hole.
as falling within the scope of the invention.
'
'
The di?iculty with prior art ‘containers of this type is 30 The cover member 2 shown in FIGURES 1-3 is a
top end-closure for a cylnidrical container ‘8 of any con
that the bail normally lies ?at against the face of the
ventional type. The container may be formed of wood,
container cover. This is necessary in order that the con
‘metal, heavy-duty cardboard, or other suitable material.
tainers may be stacked one atop» the other for transport
and‘storage. To grasp the-bail it is ?rst necessary to
Its contents, which may be a pulverulent blasting com~
raise the bail from its position against the cover with 35 position or other material, is indicated at 10 in FIG
URE 3.
?ngers. This is often di?icult to do since mud, snow,
A principal feature of the top end-cover 2 of the
ice or even paint on the cover of the can frequently
present invention is the presence of a raised portion 4
causes the bail to stick to the cover and resist elevation
spaced inwardly of the outer periphery of the cover.
from the ?at position. A further di?iculty arises from
the fact that men in the ?eld frequently wear ‘heavy 40 Where the cover is circular, as illustrated in the attached
gloves or mittens which seriously reduce their digital ' drawing, the raised portion 4 will normally also be cir
cular and will usually be concentric with the outer pe
' dexterity, making it even more dif?cult to lift the bail
riphery of the cover. The edge 5 of the raised portion
from its position against the face of the container cover.
which connects the raised portion with the next adjacent
There has long been a need in the container arts, espe
cially those arts wherein containers are exposed to at 45 portion of the cover is inclined at a generally acute
angle with respect to the said adjacent surface of the
mospheric weather conditions and are transported and
cover from which the raised portion 4 protrudes. A
used out-of-doors, for a container having some sort of
pair of saddle straps 6, 6') is a?ixed to the top of the
handle means on the top cover which may be simply
. ~. and easily grasped at any time even by a person wearing
cover on opposite sides and directly adjacent to the
heavy gloves or mittens, and which may be conveniently
inclined edge 5 of the raised portion 4. These saddle
stacked in long vertical columns with other like con
straps serve as anchors for the legs 7, 7 ’ of the wire bail
3. The inner sides of the base of the legs 7, 7' normally
bear against the inclined edges of the raised portion 4
It is an object of the present invention to provide a
which under normal circumstances prevents the bail 3
vnovel container which meets the foregoing requirements.
It is a further object of the present invention to provide 55 from falling to a position ?at against the vface of the
cover 2. The bail 3 is thus normally maintained in at
such a container which is economical to manufacture
least a partially-elevated position, as shown especially
and convenient to use. Other and additional objects
in FIGURE 3 and by the solid lines in FIGURE 1.
will become apparent from a consideration of the ensuing
If a force is applied to the bail from above however,
speci?cation and claim.
The container of the present invention includes a top 60 such ‘as by a second full container being loaded atop
tainers.
.
' angle to that portion of the cover member from which
the cover member 2 of the ?rst container, the bail mem
her 3 is depressable and will be forced down into a posi
tion ?at against the face of the cover 2. This is the
the arised portion protrudes. A wirebail of spring stock
position represented by the bail member ‘depicted at‘3a
cover member having a raised portion on its outer face.
The edge of the raised portion is inclined at an acute
is provided having leg members ai?xed to the cover 65 by‘ dotted lines in FIGURE 1 and 3b in FIGURE 3.
The bail assumes assumes this position by spreading its
member at two points on opposite sides of and just ad~
legs against the retaining action of saddles 6, 6' and
jacent to the raised portion. The two legs of the bail
bear against the inclined edge of the raised portion forc
ing the bail, under normal circumstances, to at least a
partially-elevated position. As a downward force is ap
plied to the bail however, such as by a second container
the inclined edge 5. In its lowermost position, the legs
of the bail will ‘spread to completely straddle the raised
portion 4, thus permitting the bail to lie ?at against the
upper surface of the cover member 2. When the top con
8 7 043,471
3
tion of the component elements thereof and in the ar
rangement of these components without departing from
the spirit of the invention. We therefore intend to be
container is removed, the bail will revert to a partially
elevated position.
'
The base closure 9 of the container is exactly like
limited only by the following claim.
the top end-closure 1 except that it does not have a
bail nor anchor saddles for a bail. The base closure
We claim:
An end'closure assembly for a cylindrical container
9 is also reversed with respect to the top end-closure 1
comprising a circular cover having a circular raised por
such that the raised portion thereof projects downwardly
tion inwardly of and concentric with its outer periphery,
whereas the raised portion 4 of the top end-closure pro
the side wall of said circular raised portion being in
jects in an upward direction. Since the outermost sur
face of the raised portion 4 may conveniently be formed 10 clined at an acute angle to the place of that portion
of the cover from which the raised portion projects, a
?ush with the peripheral lip of the cover, the raised por
pair of saddle members secured to said cover at points
tions 4 of the top and bottom closures of adjacent con
on opposite sides of and just adjacent to said circular
tainers may thus lie ?at against each other with the bail
raised portion, a ?exible wire bail having curved legs
depressed, as illustrated in FIGURE 3. This permits
ready stacking of a column of containers Without inter 15 pivotally a?ixed to said saddle members for swinging
movement relative to said cover, said legs being con
ference from the bails 3 of each top end-closure.
structed and arranged to engage said side wall with cam~
The wire bail 3 is formed of suitable spring stock of
ming action and to maintain the bail in at least a par
such a diameter that it is sturdy enough for normal
tially-elevated position when there is no pressure on the
use and ?exible enough to permit it to operate in the
bail, said wire bail being depressable under the in?uence
manner described above. It may conveniently be formed
of a downwardly directed force thereon such that the
such that it will depress under the in?uence of a down
legs of the bail can spread laterally ‘to straddle the raised
ward force of about 10 pounds or more.
portion and permit the bail to lie relatively ?at against
The particular anchor saddles 6, 6’ illustrated in the
the upper face of the cover.
drawings may ‘be replaced by other suitable anchor means
for holding the ends of the legs 7, 7’ of the bail 3 in at 25
References Cited in the ?le of this patent
?xed position atop the cover 2.
Similarly, the precise con?guration of the raised por
UNITED STATES PATENTS
tion 4 is not critical to the invention. It may be a uni
tary portion, as illustrated in the drawings, or it may
be in several sections. A continuous circular raised por- 30
tion 4 is preferred since it represents the simplest, most
economical shape from the manufacturing standpoint,
and is easy and convenient to use.
It will be readily apparent from the foregoing descrip
tion that the end-closure assembly of the present inven
tion is ‘an economical and convenient expedient for han
dling and transporting containers manually from place
to place. Many changes may be made in the construc
235,280
815,983
Norton _______________ __ Dec. 7, 1880
Sherman ____________ __. Mar. 27, 1906
993,163
Grilk ________________ __ May 23, 1911
1,733,719
2,147,471
Bonnell ______________ __ Oct. 29, 1929
Tyrrell et a1. _________ __ Feb. 14, 1939
2,295,854
Lindsley _____________ __ Sept. 15, 1942
1,081,819
200,194
France ______________ __ June 16, 1954
Australia _____________ __ Nov. 2, 1955
35
FOREIGN PATENTS
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