U.S. patent number 3,881,648 [Application Number 05/407,408] was granted by the patent office on 1975-05-06 for container for asparagus and the like.
This patent grant is currently assigned to Willamette Industries, Inc.. Invention is credited to Richard A. Hall.
United States Patent |
3,881,648 |
Hall |
May 6, 1975 |
Container for asparagus and the like
Abstract
A rectangular-trapezoidal shaped box for asparagus and the like
is formed from a single blank of corrugated cardboard into a base
section and a lid section which are pivoted at a common edge to
allow the lid section to be swung over the base section. Pairs of
end panels of each section are folded in double overlapping ply
relation such that the closed box has ends of four ply thickness. A
narrow ledge is provided at the front of the base section to seal
the closed box. Hand hold cutouts are supplied in the end panels
and ventilating cutouts are supplied in the lid and base sections,
and a moisture absorbent insert is carried in the base section to
provide moisture to the butt ends of the upstanding asparagus
spears.
Inventors: |
Hall; Richard A. (Pleasanton,
CA) |
Assignee: |
Willamette Industries, Inc.
(Portland, OR)
|
Family
ID: |
23611954 |
Appl.
No.: |
05/407,408 |
Filed: |
October 18, 1973 |
Current U.S.
Class: |
229/112; 229/939;
229/117.16; 229/145; 229/193; 229/120; 229/164; 229/198 |
Current CPC
Class: |
B65D
5/6667 (20130101); B65D 81/261 (20130101); B65D
5/4295 (20130101); B65D 81/22 (20130101); B65D
5/2047 (20130101); B65D 5/4608 (20130101); B65D
5/28 (20130101); Y10S 229/939 (20130101) |
Current International
Class: |
B65D
5/66 (20060101); B65D 5/28 (20060101); B65D
5/64 (20060101); B65D 5/20 (20060101); B65D
5/42 (20060101); B65D 5/46 (20060101); B65D
5/468 (20060101); B65D 81/22 (20060101); B65D
81/18 (20060101); B65D 81/26 (20060101); B65d
005/00 () |
Field of
Search: |
;229/6R,44R,44CB,14R,37R |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Gilreath; Stanley N.
Attorney, Agent or Firm: Eckhoff; Robert H.
Claims
I claim:
1. A box shaped container for handling asparagus spears and the
like, comprising:
a. a single corrugated cardboard blank having; a rectangular front
panel, a rectangular top panel, a rectangular rear panel, a
rectangular bottom panel,
b. the front, top, rear and bottom panels lie along the central
portion of the blank and are attached to adjacent panels along
common edge scores,
c. each of said rectangular panels have opposed pairs of end panels
attached along edge scores at the margins of the rectangular
panels,
d. a series of narrow ledge panels attached along edge scores of
the bottom panel and its associated end panels,
e. the container is set up by folding the blank along the edge
scores to form a lid section and a base section,
f. the lid section is formed by the front and top panels and by
their adjacent end panels secured in overlapping cross ply
relation,
g. the base section is formed by the rear and bottom panels and by
their adjacent end panels secured in overlapping cross ply relation
and by the inwardly folded ledge panels secured together in the
opening opposite the rear panel,
h. the edge score common between the top and rear panels forms the
hinge between the lid and base sections such that the container may
be opened and closed by pivoting the lid section into overlying
relation over the base section wherein the ends of the container
will be of four ply thickness.
2. The box shaped container as described in claim 1 wherein,
a. said container has a right angle trapezoidal shape in profile
and wherein;
b. said front panel forms the longer upstanding leg of the
trapezoid,
c. said top panel forms the shorter parallel top of the
trapezoid,
d. said rear panel forms the shorter upstanding leg of the
trapezoid,
e. said bottom panel forms the longer parallel base of the
trapezoid,
f. and each of the end panels is generally trapezoidal shaped in
outline.
Description
BACKGROUND OF THE INVENTION
This invention relates to a container for asparagus and the like
and more particularly to a corrugated carton folded in such a way
to afford maximum protection to the produce and allow ready access
to the interior of the carton.
Asparagus has several peculiar demands in the transporting and
storage from initial packer to consumer. The vegetable is tapered
in shape, has a tender tip end which breaks easily, and to ensure
freshness the cut or butt end should be kept damp. With the cut end
supplied moisture, the asparagus will also continue to grow so that
sufficient room has to be left in the container.
Generally, asparagus has been packed upstanding in tapered crates
made of wood and more recently plastic. These crates require a
rigid construction and are expensive and bulky. They also present a
storage problem at the packing site and a disposal problem at the
consumer site.
SUMMARY OF THE INVENTION
It is a principal object of this invention to provide a container
for asparagus and the like which can be folded from a blank of
corrugated cardboard and will have the requisite shape and strength
to handle the product without damage.
It is another object to provide a container for asparagus which can
be folded from a single carton blank at the packing site and has a
base section and a lid section wherein the container has a wide
opening for ease of packing and unpacking and which provides
multiple plies at the ends for added strength. A ledge is also
formed at the front of the base section for the lid section to
close against.
Another object is to provide such a container made of a wet
strength or moisture repellent corrugated board and includes a
moisture laden insert in the base to supply moisture to the butt
ends of the asparagus and also had ventilation cutouts in the walls
and top of the container.
Further objects and advantages of the invention will be apparent as
the specification progresses and the new and useful features of the
container will be more fully defined in the claims attached
hereto.
BRIEF DESCRIPTION OF THE DRAWINGS
The preferred form of the invention is illustrated in the
accompanying drawings forming part of this description in
which:
FIG. 1 is a perspective view of the preferred embodiment of the
container shown in the closed position;
FIG. 2 is a perspective view of the container shown in FIG. 1 but
in the open position;
FIG. 3 is a side elevational section taken substantially along the
plane of line 3--3 in FIG. 1;
FIG. 4 is a front elevational section taken substantially along the
plane of line 4--4 of FIG. 1; and
FIG. 5 is a layout of a blank from which the container in FIG. 1
has been folded.
While only the preferred form of the invention is shown, it should
be understood that various changes or modifications may be made
within the scope of the claims attached hereto without departing
from the spirit of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to the drawings, the preferred embodiment of the
invention takes the form of a rectangular container or carton
having a trapezoidal profile. The container 10 has a base section
11 and a lid section 12 which are joined along a common edge at the
upper rear of the container. As shown in FIG. 2, with the lid
section 12 swung back, the carton presents an enlarged opening for
easy packing and unloading.
Base section 11 is formed by rectangular bottom panel 13 and rear
panel 14 and trapezoidal shaped opposed ends 16 and 17. Ends 16 and
17 are of double ply and are formed by pairs of overlapping end
panels 16a and 16b and end panels 17a and 17b. End panels 16a and
17a are attached to and folded up from bottom panel 13 and end
panels 16b and 17b are attached to and folded around from rear
panel 14. The direction of corrugations of the plies in the pairs
of end panels cross in an overlapping fashion and add rigidity and
strength to the container. The base section also includes a narrow
ledge 18 over the front of the opening opposite the rear panel 14.
The ledge is formed by a pair of narrow inwardly facing panels 21
and 22 carried along the margins of end panels 16a and 17a. A
narrow upstanding panel 23 is attached to the front of bottom panel
13. The ledge helps secure the upstanding asparagus in the base
section and also helps seal the front of the container when the lid
section is closed.
The lid section 12 is formed by rectangular top panel 26 and front
panel 27 and trapezoidal shaped opposed ends 28 and 29. Ends 28 and
29 are of double ply and are formed by pairs of overlapping end
panels 28a and 28b and end panels 29a and 29b. End panels 28a and
29a are attached to top panel 26 and end panels 28b and 29b are
attached to front panel 27. As in the ends of the base section, the
ends of the lid section are folded so that the direction of the
corrugations are of cross ply. This double ply construction of the
ends of the lid and base sections combine to provide four ply ends
to the carton when it is closed. This adds substantial strength and
allows the containers to be stacked one on top of another without
damage to the enclosed asparagus.
Each of the end panels has hand grip cutouts 31 which allow the
closed container to be easily lifted and moved. The four ply
construction of the ends also affords an enlarged gripping surface
in these cutouts.
As mentioned, it is desirable to keep the asparagus in a moist
environment and to supply moisture to the cut butt ends of the
asparagus when they are upstanding in the container. An absorbent
liner or insert 32 is carried in the bottom of the container and
wetted prior to packing. Drain holes 33 are cut in the bottom to
allow excess water to escape. The container itself is constructed
of wet strength or moisture repellent corrugated cardboard and the
top and sides have cutouts 34 for ventilation.
In fabrication of the container a blank 36 is cut and scored as
illustrated in FIG. 5. The rectangular shaped front, top, rear and
bottom panels lie attached along the central part of the blank. The
end panels are attached along the edge scores at the margins of the
rectangular panels. It will be seen that the end panels are cut in
generally trapezoidal outline to match the profile of the
container. The panels that form the ledge are secured at the lower
part of the blank and are attached to the bottom panel and its
associated end panels.
The geometry of the preferred embodiment of the invention is in the
shape of a right trapezoidal prism with the ends having a
trapezoidal profile and the rectangular body panels forming the
faces of the prism. Looking to FIG. 3, it will be seen that the
front panel 27 lies along the longer leg of the trapezoid, the top
panel 26 along the shorter parallel top, the rear panel 14 along
the shorter leg and the bottom panel 13 along the base of the
trapezoid. The rear panel is perpendicular to the bottom panel.
In folding the blank, rear panel 14 is folded upward along scored
edge 41 and end panels 16a and 17a are folded upward around scored
edges 42. End panels 16b and 17b are folded around scored edges 43
and are secured to end panels 16a and 17a by staples 44. Ledge
panels 21 and 22 are folded inward along scored edges 46 and ledge
panel 23 is folded upward along score 47 and secured with staples
48. This forms the base section 11.
The lid section is formed by folding front panel 27 along scored
edge 51 and end panels 28b and 29b inward along scored edges 52.
End panels 28a and 29a are folded around scored edges 53 and are
secured to end panels 28b and 29b by staples 54. The lid section is
pivoted along scored edge 56 to complete the container.
While the terms "inward" and "around" and "similar" have been used,
they are for descriptive purposes only and are not meant to be
limited, nor is the sequence in which the container is folded.
From the foregoing description, it will be seen that the container
of the present invention may be folded from a single blank of
corrugated cardboard and provides a suitable container for
asparagus in an inexpensive and efficient manner.
* * * * *