U.S. patent number 3,561,593 [Application Number 04/821,430] was granted by the patent office on 1971-02-09 for collapsed bag and wrapper packet.
This patent grant is currently assigned to Bagcraft Corporation of America. Invention is credited to Raymond J. Ruda.
United States Patent |
3,561,593 |
Ruda |
February 9, 1971 |
COLLAPSED BAG AND WRAPPER PACKET
Abstract
A collapsed bag and wrapper packet comprises a collapsed bag
made from a thin, pliable material and which in and of itself tends
to be limp and difficult to handle in a manner to maintain it in
the collapsed condition, with a multiturn wrapper sheet of a
material substantially stiffer and more self-sustaining than the
material of the bag wrapped about the collapsed bag. A substantial
portion of the bag is retainingly intercalated with turns of the
wrapper. A substantial portion of the bag may be turned on itself
within the wrapper, thereby enabling the wrapper to be
substantially shorter than the length of the bag or a plurality of
bags in a separable string.
Inventors: |
Ruda; Raymond J. (Chicago,
IL) |
Assignee: |
Bagcraft Corporation of America
(Chicago, IL)
|
Family
ID: |
25233390 |
Appl.
No.: |
04/821,430 |
Filed: |
May 2, 1969 |
Current U.S.
Class: |
206/554; 383/37;
493/210; 206/525.1 |
Current CPC
Class: |
B65D
75/38 (20130101) |
Current International
Class: |
B65D
75/38 (20060101); B65d 000/00 () |
Field of
Search: |
;206/57A,46M,69
;229/87M |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Leclair; Joseph R.
Assistant Examiner: Caskie; John M.
Claims
I claim:
1. A collapsed bag and wrapper packet comprising, in
combination:
a collapsed bag made from a thin, pliable material and which in and
of itself tends to be limp and difficult to handle in a manner to
maintain it in the collapsed condition; and
a multiturn wrapper sheet of a material substantially stiffer and
more self-sustaining then the material of said bag wrapped about
said collapsed bag, a substantial portion of the bag being
retainingly intercalated with turns of the wrapper.
2. A packet according to claim 1, said bag having another portion
thereof turned on itself within the wrapper.
3. A packet according to claim 1, said bag having attached thereto
along a weakened line of separation another like bag which is
turned on itself and retained within the wrapper.
4. A packet according to claim 1, said bag having attached thereto
along a weakened line of separation another like bag and which is
turned on itself and with the turns of said first-mentioned bag
portion engaged thereabout.
5. A packet according to claim 1, said bag having another portion
turned upon itself within the wrapper, and the wrapper having an
inner turned flange portion engaging said turned portion of the
bag.
6. A packet according to claim 1, said bag being substantially
wider than the wrapper sheet and having side marginal portions
folded in upon the body of the bag and themselves so that the total
width of the thus folded bag is less than the width of the wrapper
and the bag being substantially centered between the sides of the
wrapper to be wholly contained therein.
7. A packet according to claim 1, said wrapper having an outer end
terminal flange, means securing said terminal flange to the body of
the wrapper, and a pull tab on said flange enabling release of the
flange and thereby opening of the wrapper to gain access to the bag
therewithin.
8. A packet according to claim 1, said bag being of substantially
greater length and width than the wrapper, side portions of the bag
being folded in upon the body of the bag to provide a bag strip
which is narrower than the width of said wrapper, said bag having a
substantial portion of its length turned upon itself to shorten the
bag to a length substantially less than the length of the wrapper,
an inner terminal flange portion of the wrapper engaging onto the
turned portion of the bag, and the remaining portion of the bag
being turned onto said flange portion and intercalated therewith
and the remainder of the wrapper, the wrapper having an outer
terminal flange portion, a spot of adhesive securing said outer
terminal flange portion substantially centrally of its width to the
body of the wrapper, and a pull tab extension on said outer end
flange portion aligned with said securing adhesive attachment.
9. A packet according to claim 1, said wrapper having an outer
terminal end flange portion, and a spot of adhesive securing said
flange portion to the body of the wrapper.
10. A packet according to claim 9 said flange portion having a pull
tab extension thereon aligned with said spot of adhesive.
Description
This invention relates to the art of packaging, and is more
particularly concerned with a collapsed bag and wrapper packet.
Bags made from a thin pliable material, such as a plastic film of
which polyethylene is a popular example, have many and varied uses.
As convenience utility items such bags are supplied in a collapsed
condition as an adjunct to other articles or products sold to
consumers for use with or as an aid in the use of the accompanying
product. For example, particulate food material sold for breading
food items such as pieces of chicken, fish, and the like, is
supplied in sales packages of substantial volume from which a
desirable quantity of the particulate material is placed in a bag
commodious enough to serve the purpose and into which the items to
be breaded are then placed and the bag shaken to coat the items
with the particulate material. As a convenience to the consumer, at
least one shaker bag is supplied with the package of particulate
material.
Such bags are also useful in a general utility sense for garbage
disposal, wet swim wear carrying, refrigerated food protection,
lunch carrying, etc.
While the thin plastic material is reasonably tough, liquid
impervious, advantageously transparent, and provides a low-cost
throwaway item, it is pliable and limp as well as slippery in
contact with itself. Therefore bags made of this material are
difficult to handle in bulk, become easily disarrayed, and are
virtually impossible to be manipulated by automatic packaging
machinery where it is desired to place one or more bags at a time
into packages with other items, necessitating the relatively slow
and costly expedient of individual hand loading of such bags into
the packages.
The foregoing and other disadvantages and deficiencies are overcome
by the present invention, according to which a collapsed bag and
wrapper packet is provided in which a collapsed bag of the thin,
pliable, limp material is supported in a multiturned wrapper sheet
of a material substantially stiffer and more self-sustaining than
the material of the bag wrapped about the collapsed bag with a
substantial portion of the bag being retainingly intercalated with
turns of the wrapper. A substantial portion of the bag may be
turned on itself within the wrapper, thereby enabling the wrapper
to be substantially shorter than the bag.
An important object of the present invention is to provide a new
and improved collapsed bag and wrapper packet.
Another object of the invention is to provide new and improved
means for handling collapsed bags made from a thin, pliable
material which in and of itself tends to be limp and difficult to
handle in a manner to maintain it in collapsed condition.
A further object of the invention is to provide a new and improved
collapsed bag and wrapper packet in which the bag is supported in a
multiturn wrapper sheet.
Still another object of the invention is to provide a new and
improved collapsed bag and wrapper packet which is simple and
inexpensive in construction, enables easy and convenient handling
of the bag for packing with other items in a package by automatic
loading equipment.
Yet another object of the invention is to provide efficient, simple
and inexpensive means for protectively and retainingly packing
collapsed bags of thin, pliable, limp plastic film.
Other objects, features and advantages of the invention will be
readily apparent from the following description of certain
preferred embodiments thereof, taken in conjunction with the
accompanying drawings although variations and modifications may be
effected without departing from the spirit and scope of the novel
concepts of the disclosure, and in which:
FIG. 1 is an elevational view of a packet embodying features of the
invention;
FIG. 2 is an enlarged fragmentary sectional detail view taken
substantially along the line II-II of FIG. 1;
FIG. 3 is an isometric view showing the packet opened for
illustrative purposes; and
FIG. 4 is a fragmentary elevational view showing a connected
plastic bag arrangement for multiple bag packets.
According to the invention a packet 5 comprises a collapsed bag 7
within a wrapper 8.
In a desirable form, the bag 7 is made from a plastic film, and
more particularly an extruded tubular plastic film which is
flattened out and electronically welded or heat-sealed thereacross
at suitable intervals to provide a respective bottom closing seam 9
for each bag section. As closely as practicable beyond the seam 9 a
line of separating perforations or serrations 10 is punched across
the collapsed bag tube laminate so that by suitable tension
longitudinally one bag can be separated from the next in the strip
series with the end of the bag where it has been separated along
the perforations 10 being the open end. Where two or more of the
bags 7 in a continuous strip are to be supplied, the companion bags
are permitted to remain serially attached at the perforations 10
and the user may then separate each successive bag from the strip
as needed.
To overcome the difficulties in handling the bags 7 in a manner to
maintain them in collapsed, compact condition, the bags either
individually, or in a suitable multibag strip are turned upon
themselves into a desirable bundle and encompassed within the
wrapper 8 in a manner to retain them against unintentional slipping
or displacement from the wrapper. To enable easy and efficient
handling of the packet 5, the sides of the wrapper should extend
beyond the sides of the enclosed bag with sufficient clearance to
avoid projection of the bag sides from the packet and so that the
sides of the packet may economically be left open. The width of the
packet is held to a minimum by folding in the sides of the flat
collapsed bags with one folded side 11 (FIG. 3) lying against the
body of the bag and an opposite in-folded side 12 lying against the
in-folded side 11. Thereby the bag assumes a relatively narrow
strip width and the wrapper 8 need only be a little wider than the
laterally folded bag strip in order to extend beyond the sides of
the bag strip reasonably centered thereon.
Each wrapper is made from a material which is substantially stiffer
and more self-sustaining than the material of the bags, and in a
desirably economical form comprises a sheet of paper. To maintain
the bulk of the packet at a minimum, the wrapper 8 is desirably
substantially shorter than the bag 7. A substantial portion of the
collapsed bag is turned upon itself, preferably from the bottom end
up, to a length which is shorter than the total length of the
wrapper 8 but with a remaining portion of the bag extending beyond
the turned-up portion to enable intercalating such remaining
portion with turns of the wrapper to hold the bag within the open
ended tube provided by the wrapper when turned into enclosing
relation to the bag. This is attained by orienting the bag with its
turned-up and remaining portions on the wrapper 8 intermediate the
ends of the wrapper such that the turned-up portion of the bag is
adapted to be engaged between an inner end terminal flange 13 of
the wrapper and the body of the wrapper, and then the remaining
portions of the bag and the wrapper are turned onto the flange 13
and onto and about the body of the wrapper so that an intercalated
relation of the remaining portion of the bag and the wrapper is
effected. In the representative packet shown, two successive
sections of the bag from the turned over portion to the open end of
the bag are wrapped into and intercalated with sections of the
wrapper. This provides a reasonably secure retention of the bag
within the wrapper against unintentional slipping of the bag
sideways from the wrapper. Preferably the wound-up bag and wrapper
packet is flattened substantially as shown to facilitate packing
and handling.
In order further to facilitate handling of the packet 5, the free
outer end portion of the wrapper comprises a terminal flap flange
14 which is secured in face-to-face relation onto the body of the
wrapper in a manner which will enable ready opening of the wrapper
when access to the enclosed bag is desired. For this purpose a
limited area spot of adhesive 15 is applied at a substantially
transversely centered point to and between the flange 14 and the
wrapper body to hold the flange 14 closed against the body. To
facilitate opening of the wrapper, a pull tab 17 is desirably
provided as an extension from the free end of the flange 14 in line
with the holding adhesive spot 15. To open the packet, a pull to
strip the end flap flange 14 away from the body of the wrapper will
effect separation of the adhesively bonded area and enable turning
the packet open to release the bag. On the other hand, if it is
desired to remove the bag through either side of the packet, that
may be done by reaching into one open side of the packet and
withdrawing the bag, or pushing the bag out by pressure applied
from one side toward the other side. However, due to the
intercalated relationship of a portion of the bag with the wrapper,
it is generally easier to remove the bag by stripping the free end
portion of the wrapper open and thereby gaining access to the
interior of the wrapper and the bag.
Identification sales indicia material may be printed on the outer
face of the wrapper, and where desired the inner face of the
wrapper may be used for printed material such as advertising,
recipes, coupons, etc.
The packet 5 lends itself readily to mechanical handling and
loading into packages with other items by automatic equipment.
Since the bag is thoroughly enclosed within the wrapper and is held
against displacement sidewise from the open sides of the wrapper,
it will not protrude and interfere with efficient operation of the
automatic packing equipment. The wrapper keeps the bag clean and
protected against damage. The compact flattened packet will take up
a minimum of room in a package with other items with which it may
be assembled, such as a food product with which the bag is intended
to be used. A large number of the packets maybe packed together in
a suitable container or in a magazine for feeding to automatic
loading equipment in a package filling line. Where the packet is
intended as a general utility item, a substantial number of the
packets can be supplied in a relatively small package, or where
supplied as individual packets, they can be received and packed in
small space in a travelling kit, for example. By having the sides
of the packet open, ready inspection may be made therethrough of
the contents.
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