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Патент USA US3051314

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Aug. 28, 1962
Filed Feb. 29, 1960
Patented Aug. 28,1962
distorting of the envelope and which articles, after being
fully inserted into the package or envelope, assumes,
upon straightening, a position from which it cannot be
removed without a slight bending and creasing of the en
velope which could not occur by itself whereby falling
of the packaged article out of the package is eliminated.
It is an added object of the present invention to pro
Gregory S. Doigorukov, Ferndale, Mich.
(407 Fisher Bldg, Detroit, Mich.)
Filed Feb. 29, 1960, Ser. No. 11,622
4 Claims. ((31. 206-4533)
vide an improved plastic ?lm envelope or a package hav
This invention relates to packaging, and more particu
larly to an improved package made of a material such as
ing the above advantages, which package is exceedingly
transparent plastic ?lm for packaging articles such as cer 10 simple in construction, dependable in operation and very
tain drafting instruments.
The advent of easily scalable plastic ?lms, such as poly
ethylene ?lm, induced the use of transparent plastic pack
inexpensive to manufacture.
Further objects [and advantages of this invention will
be apparent from the following description and appended
claims, reference being had to the accompanying draw—
ages for many articles formerly packaged in paper en
velopes, as well as for those previously distributed in 15 ings forming a part of this speci?cation, wherein like ref
erence characters designate corresponding parts in the
bulk and sold to the ?nal user without individual pack
several views.
aging. It has been found, however, that thin flat articles,
FIG. 1 is an elevational view illustrating a transparent
such, for instance, as drafting sweeps, small T-squares
plastic envelope embodying the present invention and
and the like, cannot be packaged in polyethylene enve
having a drafting sweep packaged therein.
lopes in the conventional manner, that is, by sealing them
FIG. 2 is a sectional view taken in the direction of the
therein, with a view that such article will remain sealed
arrows on the section plane passing through line 2—2 of
until sold, with examination thereof by the purchaser to
FIG. 1.
be done through the transparent plastic ?lm. A drafts
FIG. 3 is an elevational view similar in part to FIG. 1
man or purchaser of similar articles often wishes to ex
amine such an article as to its precision and workman 25 and showing various positions of the sweep as the same
is being inserted into the package and until it reaches the
ship very carefully before purchasing and insists on exam
position where bending of the package becomes necessary.
ining it out of the package. On the other hand, after the
package is opened, returning it to the shelf usually causes
FIG. 4 is a view similar in part to FIG. 3 but showing
conclusion of the inserting operation requiring bending of
some di?‘iculties because of the slippery surface of plas
tic ?lm, the packaged articles slide out of the packages, 30 the envelope.
falling on the ?oor, collecting dirt ‘and dust and becoming
FIG. 5 shows a modi?ed construction of the plastic ?lm
Furthermore, opening sealed plastic enve
envelope embodying the invention and adapted for pack-v
lopes, unless 1done carefully with a scissors, causes un
aging therein a small T-square.
fit is to be understood that the invention is not limited
35 in its application to the details of construction and ar
sightly irregular tears in the envelopes affecting sellability
of the packaged articles.
rangement of parts illustrated in the accompanying draw
ings, since the invention is capable of other embodiments
and of being practiced or carried out in various ways.
Also, it is to be understood that the phraseolog/ and ter
opening of plastic envelopes, tearing of the envelopes has 40 rninology employed herein is for the purpose of descrip
As a result, it has been proposed to use on polyethylene
?lm envelopes a seal consisting of only a few spaced dots
‘at the open end of the envelope, which seal could be
separated easily. While such an expedient facilitates
not be completely eliminated thereby. In addition, slip
tion and not of limitation.
ping of the articles out of the envelopes also has not been
eliminated. As a result, it is felt by many merchandisers
of articles such as drafting templates, sweeps, T-squares
and the like, that the use of paper envelopes with ?aps
While the present invention is herein illustrated and
described in relation to items of drafting instruments, it
shall be understood that the invention is applicable with
equal success to packaging other articles, such as toys,
tools, etc., having shapes such as explained below and
which can be threaded through an opening smaller than
which could be inserted into the envelope and thus permit
removal of the article for examination and thereupon
closing the envelope again, if necessary, is more advan
tageous. Such paper envelope can be repeatedly opened
their general Width and which, upon being fully housed in
the envelope, assume such position as to bear on the re
and closed.
‘One of the objects of the present invention is to provide
an improved plastic ?lm envelope or package for elon
gated articles, particularly such as drafting sweeps, T
squares, and the like, whereby the above di?iculties and
disadvantages are overcome and largely eliminated with
out introducing new problems or increasing in an appre
straining walls of the package, bringing of the pack
aged article to the opening for removal requiring distort
ing the envelope.
It will be understood, however, that the term “distont
ing” as used herein does not mean irreparable distortion
55 or stretching of the package; but merely indicates fold
ing or bending the package in a manner to bring the
end of the packaged article to the opening. Such bendciable degree the costs involved.
ing need not cause permanent creasing of the plastic
Another object of the present invention is to provide
?lm of the package.
an improved package holding a curved article, such as a
drafting sweep, a toy boomerang, a T-square, etc., which 60 In the drawings there is shown, by way of example,
two packages or envelopes for drafting instruments, emcan be taken out from the envelope for examination and
bodying the present invention. ‘Referring to FIGS. 1-4,
thereupon returned into the envelope through an opening
the package illustrated the-rein comprises a piece of plas-v
smaller than the width of the package with the packaged
tice sleeve, such as polyethylene, which may be either
article assuming such position within the package that
shaking the envelope, turning it upside down and similar 65 seamless along its length or be made by sealing the
meeting ends of a piece of plastic ?lm and, therefore,
manipulations of the package do not cause falling out
having a longitudinal seam. In the present embodiment‘
of the article ‘from the package.
of the invention seamless sleeves are shown.
The sleeve has one of its ends fully closed with the aid
proved plastic ?lm envelope for an article which is placed 70 of a seam 15, while its opposite end has a sealed seam
A further object of the invention is to provide an im
into the envelope by being threaded thereinto through a
relatively small opening and with a certain amount of
16 extending only somewhat further than the center linevv
of the sleeve, leaving a portion thereof indicated by the’
numeral, 17 open.
The width of they open portion 17 '
should not be less than the widest transverse dimension
of the sweep to be packaged, such as designated by the
numerals 18 or 19. It will be noted that such trans
convenient removal of the T-square, as determined by
trial, and it may vary from having the upper end of such
line fall on the center line of the envelope, or come on
any point between said center line and the vertex of the
verse dimension'may have to be measured at an angle
corner angle.
as determined by the positions of the sweep S passing
through the opening 17, as shown in FIG. 3. The width
be, in effect, in the side 42 rather than in the upper
end of the envelope, and the upper seam 43 would extend
\In the latter case, the entire opening will
of the sleeve is determined by drawing a straight line
throughout virtually the entire width of the envelope.
The insertion and removal of the T-square from the pack
by the side 20 of the envelope, and thereupon drawing 10 age is illustrated in FIG. 5 and is substantially similar
tangent to the ends’ of ‘the sweep, such as represented
to that of the sweep housed in the package illustrated
in FIGS. 1-4. It should be noted that with the T-square
having assumed its ?nal position in the envelope as shown
in FIG. 5, hanging the envelope on a hook or nail passed
the package on a hook or nail. It is desired that such
hole be provided at a su?icient distance ‘from the upper 15 through the hole 44 will cause the envelope to assume
an inclined position, thus contributing to improved
end of the sweep S in order to prevent interference of
stability of the T-square in the envelope.
the hole with removal of the sweep S, as well as prevent
ing the end of the sweep from hitting the nail or hook
By virtue of the above disclosed construction, objects
of the present invention listed above and numerous
on which the package is suspended.
Insertion of the sweep into the envelope is illustrated 20 adidtional advantages are attained.
in FIGS. 3 and 4. The wide end of the sweep is inserted
I claim:
1. A package comprising an elongated sleeve made
into the opening -17 and threaded therethrough, with the
a line, such as represented by the side 21 of the en
velope, parallel to said line 20. A hole such as 22 may
be provided in the upper end of the sleeve for hanging
sweep moving through the positions 25, 26 and 27. Push
ing the sweep into the envelope beyond the position 27
will cause the envelope to be bent as shown in FIG. 4.
In such position, with the sweep being restrained at points
30 and 31 of the envelope, the' wide end of the sweep
of transparent plastic ?lm, said package having in its
fully completed form one of its ends closed and its op
posite end closed through a portion of its width with the
remaining portion being open, and with the corner of
the package at said opening being cut o? on a slant; a
would protrude beyond the original position of the side
T-square, having a head and a blade with one end of
20 of the envelope for a distance designated by‘ the nu
said blade being secured to the head and the other end
mer-al 32. Bringing the side 20 to such position, causes 30 being free, said T-square being fully housed within said
bending of the envelope and forming thereon temporary
package and assuming an inclined position therein with
‘folds above the wide end of the sweep, as shown at 33.
the free end of the blade and one end of the head being
in contact with the side of the package on the closed
Such condition of the envelope continues until the upper
end 34 of the sweep passes the point 3%, whereupon
side of the partially closed end thereof, with the other
straightening of the envelope causes said end 34 to move, 35 end of the head being in close proximity to the opposite
as if by the action of a spring, into the position shown
side of the package, and a sealed spot provided near
in FIG. 1. With the sweep in the position shown in
the bottom of the package under the opening of the upper
FIG. 1, turning the envelope upside down, shaking or
end thereof at such a location as to be contacted by one
otherwise manipulating it bodily cannot cause the sweep
end of the head to tilt the T-square into an inclined
to come out of the envelope and, therefore, the sweep 40 position in the package and to bring the free end of
remains securely packaged therein. Yet it can be re
the blade against the closed portion of said partially
moved from the package for inspection by a purchaser, or
closed end.
for use by the owner who retains the envelope tfOl‘ con
2. A package comprising an elongated sleeve made of
tinued use, by taking hold of its lower end in the envelope
transparent plastic ?lm, said package having in its fully
with the right hand and manipulating the upper ends of
completed form one of its ends closed and its opposite
the envelope and of the sweep to bring the end 34 of the 45 end closed only through a portion of its width to leave
sweep against the opening 17 and pushing the sweep up
a restricted opening directly in the edge of said end, an
until a su?icient portion of the end 34 comes out of
elongated curved article having two ends and a bulging
the opening 17. Thereupon, taking hold of the end 34
out middle, said article being fully housed within said
with the right hand, the user simply moves or threads
package and having its said ends disposed adjacently
the sweep out. In the process of such movement the 50
the side of the package on the closed side of the partially
sweep will pass substantially through the same positions
closed end thereof and with the bulging out portion of
as are indicated in FIGS. 3 and 4, but in reverse order.
the article being immediately adjacent the opposite side‘
FIG. 5 shows a package of the same general nature
of the package, with the end of the article at the partially
designed particularly ‘for storing a T-square therein, and
thus attaining the advantages mentioned above. The 55 open end of the package being thus maintained in the
position away vfrom said opening and against the closed
package of FIG. 5 is similar to that illustrated in FIGS.
portion of the end of the package, with bringing of said
14, the main di?erence being in having its opening 37
end against said opening requiring manual distortion of
provided on a slant in order to facilitate passage of the
the package, the size of said opening being only large
head 38 of the T-square. A sealed spot 39 is provided
near the bottom 40 of the package under the opening 60 enough to pass said article threaded therethrough for
37 in order to cause the T-square to assume an inclined
position when one side of its head contacts the spot
39. Determination of the width of the sleeve is made
in substantially the same manner as described with respect
to the sleeve of the package of FIGS. 1-4. The trans 65
verse dimension determining the size of the opening 37
is found by measuring the distance 41 taken substantially
along the line representing the widest transverse dimen
removal or insertion into the package with such manual
distortion of the package, and a hole for hanging the
package provided in one end of the package above the
upper end of the article when the package is in vertical
3. A package comprising an elongated sleeve made of
transparent plastic ?lm, said package having in its fully
completed form one of its ends closed and its opposite
end closed only through a portion of its width to leave
sion of the T-square in its position of leaving the en
'velope. Having determined such distance 41, the same 70 a restricted opening directly in its edge, an article fully
enclosed within said package, said article having its over
is laid o? on the corner of the envelope and the material
all width smaller than the width of said sleeve but greater
thereof is cut off on such line, as shown in FIG. 5. De
than any of its transverse dimensions along its length
pending on the relative dimensions of the head and the
passable through said opening, with the article being
arm of the T-square, the angle at which said line is
laid 0E and the corner cut 01f is selected for the most 75 turned in the process of insertion into the package through
said opening, with the ?rst passed end of said article
assuming in said package a position against the closed
end thereof, and the last passed end assuming posi
tion also against the closed portion of the opposite end
of the package and requiring manual distortion of the
package to bring it against the open portion of said op
posite end and for withdrawal from the package.
4. A package comprising an elongated sleeve made
taking it out therethrough by removing and turning, and
with said sweep placeable within said package -by inserting
of transparent plastic ?lm, said package having in its
tortion of the package being required for bringing said
it through said restrictive opening with turning of the
sweep and temporarily distorting the package manually,
and with the straightening of the package to its undis
torted condition carrying the last passed end of the sweep
from said opening to a position against the closed portion
of the partially closed end of the package, manual dis
fully completed form one of its ends closed and its 10 last end of the sweep against said opening.
opposite end closed only through a portion of its width
to leave a restricted opening directly in its edge, a curved
drafting sweep ‘fully housed Within said package and
having one of its ends disposed immediately adjacent the
side of the package on the side of the closed portion 15
of the partially closed end thereof, said sweep being
References Cited in the ?le of this patent
Smith ______________ __ Aug. 3, 1948
Klein _______________ __ Mar. 21,
Hahn _______________ __ July 17,
Piazze _____________ __ July 31,
Southwick ____________ __ Feb. 5,
removable from said package by bringing its end adjacent
the partially closed end of the package against said open
ing by temporarily distorting the package manually and
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