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Патент USA US3100060

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Aug. 6, 1963
3,100,055
G.MARTELL1 ETAL
FRUIT-PACKING TRAYS
Original Filed 001'.. 24, 1957
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3,100,055
United States Patent O M'ICC
Patented Aug. 6, 1963
2
1
and the elongated stem part of fthe pears rests on the
rest members 4. The embodiment as shown in FIG. 1A
1s the same as that shown in FIG. 1, except that the walls
of the posts 3 and the rest members 4 bounding the seats
3,100,055
FRUIT-PACKING TRAYS
Guido Martelli, Nerio Martelli, and Francesco Martelli,
Bologna, Italy, assignors to Compagnia Italiana Nest
2 are provided with longitudinal ribbing 6 «which imparts
pack S.p.A., Bologna, italy
a degree of springiness to said walls.
Original application Oct. 24, 1957, Ser. No. 692,127.
The embodiment illustrated in FIG. 3 is the same as
Dóivzirsled and this application Oct. 31, 1960, `Saer. No.
3 , 2
Claims priority, application Italy July 15, 1957
that illustrated in FIGS. 1 and 2 except that the rest
members 4 are omitted. In this case the elongated stern
5 Claims. (Cl. 217-265)
10 part of the pears simply rests on the bottom of lthe tray.
Note that in this embodiment also, a number of spaced,
This invention relates ‘generally to improvements in
hollow, ¿frustro-pyramidal posts 3’ are provided in a
fruit-packing trays and more particularly to trays made
ñat sheet `1’ and arranged at the apices of imaginary
of a iilm or light sheet material, such as polyvinyl resin
equilateral triangles, one of which is shown in dot-dash
to provide a tray having a plurality of pocket defining 15 lines. The posts 3' deñne pockets 2’ into which the larger
rounded portion of the pear is inserted.
posts, or of posts in combination with «rest members oi
As pears are usually quite hard fruits, it is not obsolutely
lower height -for supporting the projecting and smaller
necessary to provide for substantial springiness in the
portions of a pear.
walls of the posts and/or rest members, and trays for
An object of this invention is to provide trays which
are particularly adapted »for the packing of pear-like 20 the packing of pears may therefore be manufactured from
relatively hard materials, such as thick synthetic resin
fruits which are protected Ifrom injury while disposed
sheets or cardboard, papier mache or the like.
in the tray.
It will be appreciated 'from the foregoing that the
According to an embodiment of the invention, the trays
having a «thickness of from 0.1 to 0.3 mm. and aims
are provided with hollow seats or pockets which are
dimensions of the various embodiments described are
defined by preferably three substantially high posts and
25 such that lthe »fruit-packing trays may be stacked on top
with additional objects and advantages thereof, will best
be understood »from the 4following description ot specific
40
ont one another »tor packing into cases without damaging
by an equal number `of rest members of lower height,
' the fruit contained in the trays, the weight of (the super
each disposed between a pair of posts, the nest mem
posed trays being borne by the projections.
bers supporting fthe elongated stem portion of the pears.
Although centain speciiic embodiments of the inven
According to another embodiment of the invention, the
rest members are omitted and the elongated stem portion 30 tion have been shown and described, it is obvious that
many modiiications thereof are possible insofar as is
of the pears simply rests on the bottom of the tray.
necessitated by the prior art and by the spirit or the
'I'his application is a division of our prior, copending
appended claims.
application Serial -No. 692,127, ltiled Oct. 24, 1957, which
What is claimed as new is:
issued Jan. 22, 1963, as Patent No. 3,074,582.
l. A fruit-packing tray comprising a dat sheet of
The novel features that are considered characteristic 35
thermoplastic synthetic resin, a number of regularly
of the invention are set 'forth with particularity in the
spaced fruit seats on said tray deiined by walls of hollow
appended claims. 'The invention itself, however, both as
trusto-pyramidal posts upstanding from the sheet at the
to its organization and its method of operation, together
apices of equilateral triangles of equal size lying in
embodiments when read in connection with the accom
panying drawings, wherein like reference characters in
dicate like parts throughout Ithe several iigures and in
which:
-the plane of the sheet, the adjacent triangles having a
common side whereby each of said posts except those
at the margin of the sheet is common to three of said
seats, said walls of the posts being provided with parallel
corrugations of gently clamping truits resting on said
FIG. 1 is a diagrammatic top plan view of ‘one em 45 seats, and a plurality of substantially flat-topped rest
members upstanding rfrom said sheet to a lower height
bodiment of the invention;
than the posts and disposed between adjacent posts.
FIG. 1A is a similar plan view of a modified embodi~
2. A fruit-packing tray according to claim 1 in which
each of said seats is defined and bounded by three posts
tially along the plane deñned by II-«Il of FIG. 1, and 50 and «three rest members positioned alternately.
3. A 4fruit-packing tray according to claim 2, in which
IFIG. 3 is a ‘fragmentary top plan view of another
the yieldable sheet material is a sheet of thermoplastic
embodiment of the invention.
synthetic resin having a thickness of from 0.1 to 0.3 mm.
FIGS. 1 and 2 illustrate one embodiment of a tray
4. A fruit-packing tray according to claim 3 in which
which is particularly adapted for the packing oi pears
and which substantially consists of a flat sheet 1 provided 55 the thermoplastic synthetic resin is a polyvinyl resin.
5. A fruit-packing tray according to claim 2, in which
wit-h a number of spaced, hollow, frustro-pyramidal posts
the walls of said rest members are also provided with
3 arranged at the apices of imaginary equilateral tri
ment;
FIG. 2 is a vertical sectional view taken substan
angles.
The rounded bottom parts ont the pear B are inserted
in the seats 2 which are bounded by a set `ot three 60
posts 3. The pears are inserted with their bottom parts
against one :of said posts so that the elongated stem por
tion of the pears projects into the tree space between and
beyond the other two posts of the set of three and to
65
wards the bottom post 3- of the adjacent set.
In the embodiment shown in FIGS. l and 2, hollow
Írustro-pyramidal rest members 4 of lower height than
the post 3 (FIG. 2) are provided between the posts 3.
The arrangement is such that each seat 2 is bounded by
three posts and three rest members arranged alternately 70
parallel eorrugations.
References Cited in the ñle of this patent
UNITED STATES PATENTS
1,850,584
2,014,851
2,311,473
Gray _______________ __ Mar. 22, 1932
Kronenberger ________ __ Sept. 17, 1935
Sohwartzbeng _________ __ Feb. 16, 1943
2,657,998
Peters ________________ __ Nov. 3 1953
2,691,456
Shepard _____________ __ Oct. 12, 1954
66,019
Netherlands __________ __ July l5, 1950
FOREIGN PATENTS
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