Special receptacle or package – Shock protection type
Reexamination Certificate
2000-10-24
2004-01-13
Yu, Mickey (Department: 3728)
Special receptacle or package
Shock protection type
C206S586000, C206S590000, C206S592000, C229S918000
Reexamination Certificate
active
06675970
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a cushioning support member for housing and supporting contents and a fabricating method thereof. In particular, the present invention relates to a cushioning support member which is formed from a single piece of corrugated cardboard and a fabricating method thereof.
BACKGROUND ART
Conventionally, a packaging container used for a comparatively small-sized electronic equipment shown in
FIG. 1
is generally known.
FIG. 1
is a development of the packaging container
1
, and four side surface portions
2
a
through
2
d
which form a square cylindrical main body are connected in a lateral direction via three fold lines
3
a
through
3
c
. A paste margin
2
e
is connected to the outside of the fourth side surface portion
2
d
via a fourth fold line
3
d.
A first connecting portion
4
a
is connected to the lower side of the side surface portion
2
a
via a fifth fold line
3
e
, and a first bottom portion
5
a
is connected to the lower side of the side surface portion
2
b
via a sixth fold line
3
f
. Moreover, a second connecting portion
4
b
is connected to the lower side of the side surface portion
2
c
via a seventh fold line
3
g
, and a second bottom portion
5
b
is connected to the lower side of the side surface portion
2
d
via an eighth fold line
3
h
. A first holding portion
6
a
is connected to the upper side of the side surface portion
2
a
via a ninth fold line
3
i
, a first upper surface portion
7
a
is connected to the upper side of the side surface portion
2
b
via a tenth fold line
3
j
. Moreover, a second holding portion
6
b
is connected to the upper side of the side surface portion
2
c
via an eleventh fold line
3
k
, and a second upper surface portion
7
b
is connected to the upper side of the side surface portion
2
d
via a twelfth fold line
3
l
. Further, a first insertion portion
8
a
is connected to the first upper surface portion
7
a
via a thirteenth fold line
3
m
, and a second insertion portion
8
b
is connected to the second upper surface portion
7
b
via a fourteenth fold line
3
n.
As for the packaging container
1
constituted in the above manner, the paste margin
2
e
is overlapped with the first side surface portion
2
a
and are sealed by adhesive so that a cylindrical main body which forms a square frame is formed. An end closing portion which closes a lower end of the cylindrical main body is composed of the two bottom surface portions
5
a
and
5
b
. The two bottom surface portions
5
a
and
5
b
have trapezoidal shapes of equal shape and size which become narrower towards their ends. Engagement portions
9
a
and
9
b
for engaging the ends of the bottom surface portions
5
a
and
5
b
with each other so as to make them self-locking are provided respectively at the center portions of the ends.
One edge of the engagement portions
9
a
and
9
b
of the bottom surface portions
5
a
and
5
b
is a circular convex portion, and the other edge is an inclined portion with an angle of about 45°. First and second coupling portions
11
a
and
11
b
are provided via first and second hollow fold lines
10
a
and
10
b
which extend slantingly from the bottoms of the inclined portions towards the directions of the first and third fold lines
3
a
and
3
c
. The coupling portions
11
a
and
11
b
are overlapped with the first and second connecting portions
4
a
and
4
b
respectively so as to be sealed by adhesive. As a result, the first connecting portion
4
a
is jointed to the first bottom portion
5
a
, and the second connecting portion
4
b
is jointed to the second bottom surface portion
5
b
. Meanwhile, the engagement portion
9
a
of the bottom surface portion
5
a
is engaged with the engagement portion
9
b
of the other bottom surface portion
5
b
so that the bottom surface which is the self-locking type end closing portion is formed.
As a packaging cushioning material which is used for the packaging container
1
, a cushioning material made of plastic foam such as styrene foam or obtained by pulp molding is generally used. However, as the cushioning material using a corrugated cardboard, a cushioning material shown in
FIGS. 2 and 3
is known, for example. The cushioning material
12
made of corrugated cardboard has an inside cushioning portion
13
and an outside cushioning portion
14
which are cut out of one piece of corrugated cardboard and are arranged parallel with each other. The cushioning portions
13
and
14
are connected by a connecting portion
15
at their center portions so as to form a united piece of material. The cushioning portions
13
and
14
are bent along first and second fold lines
16
a
and
16
b
which are provided respectively on both sides of the connecting portion
15
so that the inside cushioning portion
13
which is slightly shorter is overlapped on the outside cushioning portion
14
.
The inside cushioning portion
13
has a first inside portion
13
a
and a second inside portion
13
b
which are connected via third and fourth fold lines
16
c
and
16
d
, and a third inside portion
13
c
which is connected via a fifth fold line
16
e
. One side of the connecting portion
15
is connected to the second inside portion
13
b
positioned in the center portion. The outside cushioning portion
14
has a first outside portion
14
a
and a second outside portion
14
b
which are connected via sixth and seventh fold lines
16
f
and
16
g
and a third outside portion
14
c
which is connected via eighth and ninth fold lines
16
h
and
16
i
. The other side of the connecting portion
15
is connected to the second outside portion
14
b
positioned at the center portion. An engagement portion
14
d
is connected to the first outside portion
14
a
via a tenth fold line
16
j
, and two fold lines
16
k
and
16
l
are provided to the engagement portion
14
d.
Furthermore, the first through third inside portions
13
a
through
13
c
of the inside cushioning portion
13
and the first and third outside portions
14
a
and
14
c
of the outside cushioning portion
14
are provided respectively with housing holes
17
a
through
17
e
which form a housing concave portion
17
for housing a content such as electronic equipment. The housing holes
17
a
through
17
e
are formed into shapes according to section shapes in each layer of the content by the order of folding the first through third inside portions
13
a
through
13
c
and the first and third outside portions
14
a
and
14
c
. The first outside portion
14
a
positioned in the topmost layer is provided with a slip-off preventing portion
18
which covers a portion of a peripheral edge of the content so as to prevent the content from slipping out of the housing concave portion
17
, and a through groove
19
through which a strap or the like attached to the content is inserted.
The cushioning material
12
having such a structure is assembled in the following manner. The inside cushioning portion
13
and the outside cushioning portion
14
are folded along first and second fold lines
16
a
and
16
b
so that the inside cushioning portion
13
is overlapped on the outside cushioning portion
14
. The third inside portion
13
c
is folded along the fifth fold line
16
e
so as to be overlapped on the second inside portion
13
b
. The first inside portion
13
a
and the second inside portion
13
b
are folded long the third and fourth fold lines
16
c
and
16
d
so that the first inside portion
13
a
is overlapped on the third inside portion
13
c
. The second outside portion
14
b
and the third outside portion
14
c
are folded along the eighth and ninth fold lines
16
h
and
16
i
so that the third outside portion
14
c
is overlapped on the first inside portion
13
a
. Further, the first outside portion
14
a
and the second outside portion
14
b
are folded along the sixth and seventh fold lines
16
f
and
16
g
so that the first outside portion
14
a
is overlapped on the third outside portion
14
c
. The engagement portion
14
d
is folded along the tenth,
Maioli Jay H.
Moh'andesi Jila M.
Sony Corporation
Yu Mickey
LandOfFree
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