CA2008704C - Bag with attached tie means - Google Patents
Bag with attached tie meansInfo
- Publication number
- CA2008704C CA2008704C CA002008704A CA2008704A CA2008704C CA 2008704 C CA2008704 C CA 2008704C CA 002008704 A CA002008704 A CA 002008704A CA 2008704 A CA2008704 A CA 2008704A CA 2008704 C CA2008704 C CA 2008704C
- Authority
- CA
- Canada
- Prior art keywords
- bag
- tape
- side edges
- wall portion
- tie means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/1616—Elements constricting the neck of the bag
- B65D33/165—Flexible elongated elements integral with or attached to bags or sacks ; Fastening thereof to the bag before closing
Abstract
ABSTRACT OF THE DISCLOSURE
A garbage bag tie system is provided in which the ties are derived from a plastic tape which extends across the bag near to its top, and which is sealed at its ends to the side edges of the bag. The tape has a central line of weakening which allows it to be separated into two portions when the bag is to be tied. The tape normally lies flat against the outer side of the bag, and does not appreciably increase the bag thickness.
A garbage bag tie system is provided in which the ties are derived from a plastic tape which extends across the bag near to its top, and which is sealed at its ends to the side edges of the bag. The tape has a central line of weakening which allows it to be separated into two portions when the bag is to be tied. The tape normally lies flat against the outer side of the bag, and does not appreciably increase the bag thickness.
Description
~0087~4 The present invention relates to closure means or ties for bags and especially bags made of plastic material and suitable for garbage.
Presently, garbage bags are sold with twist ties, usually made of wire and paper, or with draw strings. Twist ties may be lost before they can be used, and after use may slip off the end of the bag. Draw strings are relatively expensive and do not always close the end of the bag sufficiently tightly to prevent odours escaping.
;~ .
The present invention provides an improved end closure for a garbage bag or the like which is inexpensive to produce, cannot be lost, which closes the bag effectively and cannot slip off the end of the bag.
J
According to the present invention, an open-topped bag 1, 15 having front and rear wall portions of flexible plastic `~vl sheet material connected together along their side edges and also along their lower edges, has tie means for closing the normally open end of the bag, which tie means comprise an elongated flexible tape of plastic material ~, 20 extending transversely in front of the front wall portion and having its ends connected to the said one front wall portion at or adjacent to its side edges. The tape is of substantially the same length as the bag width '`~', ~
:'.
.~
: , ' ` ' ~ , , , . ., ~
2008~Q4 and such as to lie flat against the exterior of the front wall portion when the bag is empty and lying flat. The tape has a weakened area intermediate its ends to allow the tape to be separated into two portions suitable for being tied together for closing the bag.
The invention will be described in more detail with . . .
, reference to the following drawings which show a , . . .
preferred embodiment, and in which:
;~
i -, Fig. 1 is a front view of a bag in accordance with the 3 10 invention;
Fig. 2 is a top view of the bag;
Fig. 3 is a view similar to Fig. 1 but in which the ~i tape has been separated into two portions; and 3 Fig. 4 is a view of the bag when closed.
As shown in Figs. 1-3, a bag intended for garbage has front and rear rectangular wall portions 1 and 2 respectively joined together along their side edges by joints 3 and 4 and along their lower edges at 5. The longitudinal joints 3 and 4 are formed by heat sealing;
~j 20 the wall portions are integrally joined at the bottom 5 `~ by a fold.
., , As shown in Figs. 1 and 3, tie means in the form of a .
- : , -. , . ~ , - .
, .-:: , ::
~ A .
' ,'" ' " ~ ,, ,~ " . ;
. . .
- 3 - ~ V ~ Q ~
tape (or ribbon) 7 of flexible plastic material is provided, this tape having its ends sealed to the bag edges at the longitudinal joints 3 and 4. This construction allows the tape to be joined to the bag in the same sealing step as is used to make the longitudinal seams. The tape has a length equal to the width of the bag, and is such as to normally lie flat against the wall portion 1 and so does not appreciably increase the thickness of the bag, as compared for example to the use of a draw string. The width of the tape is preferably between 2 and 3 centimetres. The tape is parallel to the top of the bag and spaced from this top by between 5 and 20 centimetres, or in any event between 7% and 30% of the length of the bag.
, ,: , :- 15 The tape may be made of the same plastic material as the bag, but it is preferably stronger. For example, both bags and tape may be made from polyethylene of between 0.02 and 0.06 mm thickness, but if the bag and tape are cf the same thickness then the tape will preferably be 1 20 made of high density polyethylene while the bag is made of low density polyethylene. Alternatively, the tape and bag may be made of the same kind of polyethylene, but the tape material may be thicker than that of the bag.
:, ,~
~, Centrally of the tape 7 is provided a tear line 10, :.' :, ~"
:. .. ,, ~ .
; ~ ~
transversely of the tape, and this provides a weakened area at which the tape can readily be torn. The two parts of the torn tape can then be wound around the closed top of the bag and tied together, as shown in Fig.
4.
,~
From the foregoing, it will be seen that the invention provides a tie system which can easily be joined to the bag during its manufacture, which lies flat with the bag and takes little space, which provides a tie which cannot be lost and which cannot come off the end of the closed bag.
., In order to prevent displacement of the tape during handling and storage, portions of the tape intermediate the ends may be secured to the bag wall by readily releasable adhesive.
.
The invention may also be used with bags of the kind produced from tubular material and which are seamed only along the bottom. In such case, the ends of tape 7 will be joined by independent joints which will be adjacent the side edges of the bag front wall.
~, :
Presently, garbage bags are sold with twist ties, usually made of wire and paper, or with draw strings. Twist ties may be lost before they can be used, and after use may slip off the end of the bag. Draw strings are relatively expensive and do not always close the end of the bag sufficiently tightly to prevent odours escaping.
;~ .
The present invention provides an improved end closure for a garbage bag or the like which is inexpensive to produce, cannot be lost, which closes the bag effectively and cannot slip off the end of the bag.
J
According to the present invention, an open-topped bag 1, 15 having front and rear wall portions of flexible plastic `~vl sheet material connected together along their side edges and also along their lower edges, has tie means for closing the normally open end of the bag, which tie means comprise an elongated flexible tape of plastic material ~, 20 extending transversely in front of the front wall portion and having its ends connected to the said one front wall portion at or adjacent to its side edges. The tape is of substantially the same length as the bag width '`~', ~
:'.
.~
: , ' ` ' ~ , , , . ., ~
2008~Q4 and such as to lie flat against the exterior of the front wall portion when the bag is empty and lying flat. The tape has a weakened area intermediate its ends to allow the tape to be separated into two portions suitable for being tied together for closing the bag.
The invention will be described in more detail with . . .
, reference to the following drawings which show a , . . .
preferred embodiment, and in which:
;~
i -, Fig. 1 is a front view of a bag in accordance with the 3 10 invention;
Fig. 2 is a top view of the bag;
Fig. 3 is a view similar to Fig. 1 but in which the ~i tape has been separated into two portions; and 3 Fig. 4 is a view of the bag when closed.
As shown in Figs. 1-3, a bag intended for garbage has front and rear rectangular wall portions 1 and 2 respectively joined together along their side edges by joints 3 and 4 and along their lower edges at 5. The longitudinal joints 3 and 4 are formed by heat sealing;
~j 20 the wall portions are integrally joined at the bottom 5 `~ by a fold.
., , As shown in Figs. 1 and 3, tie means in the form of a .
- : , -. , . ~ , - .
, .-:: , ::
~ A .
' ,'" ' " ~ ,, ,~ " . ;
. . .
- 3 - ~ V ~ Q ~
tape (or ribbon) 7 of flexible plastic material is provided, this tape having its ends sealed to the bag edges at the longitudinal joints 3 and 4. This construction allows the tape to be joined to the bag in the same sealing step as is used to make the longitudinal seams. The tape has a length equal to the width of the bag, and is such as to normally lie flat against the wall portion 1 and so does not appreciably increase the thickness of the bag, as compared for example to the use of a draw string. The width of the tape is preferably between 2 and 3 centimetres. The tape is parallel to the top of the bag and spaced from this top by between 5 and 20 centimetres, or in any event between 7% and 30% of the length of the bag.
, ,: , :- 15 The tape may be made of the same plastic material as the bag, but it is preferably stronger. For example, both bags and tape may be made from polyethylene of between 0.02 and 0.06 mm thickness, but if the bag and tape are cf the same thickness then the tape will preferably be 1 20 made of high density polyethylene while the bag is made of low density polyethylene. Alternatively, the tape and bag may be made of the same kind of polyethylene, but the tape material may be thicker than that of the bag.
:, ,~
~, Centrally of the tape 7 is provided a tear line 10, :.' :, ~"
:. .. ,, ~ .
; ~ ~
transversely of the tape, and this provides a weakened area at which the tape can readily be torn. The two parts of the torn tape can then be wound around the closed top of the bag and tied together, as shown in Fig.
4.
,~
From the foregoing, it will be seen that the invention provides a tie system which can easily be joined to the bag during its manufacture, which lies flat with the bag and takes little space, which provides a tie which cannot be lost and which cannot come off the end of the closed bag.
., In order to prevent displacement of the tape during handling and storage, portions of the tape intermediate the ends may be secured to the bag wall by readily releasable adhesive.
.
The invention may also be used with bags of the kind produced from tubular material and which are seamed only along the bottom. In such case, the ends of tape 7 will be joined by independent joints which will be adjacent the side edges of the bag front wall.
~, :
Claims (5)
1. An open-topped bag having front and rear wall portions of flexible plastic sheet material connected together along their side edges and along their lower edges, and having tie means for closing the normally open end of the bag, said tie means comprising an elongated flexible tape of plastic material extending transversely in front of said front wall portion and being such as to lie flat against the exterior of said wall portion when the bag is empty and lying flat, said tape having its ends connected to said one wall portion at or adjacent to said side edges at locations spaced from the top end of the bag; said tape having a weakened area intermediate its ends to allow the tape to be separated into two portions suitable for being tied together for closing the bag.
2. A bag according to claim 1, wherein said front and rear wall portions are connected along their side edges by joints, and wherein the ends of the tape are united to the bag at said joints.
3. A bag according to claim 1, wherein said weakened area is substantially centrally situated between the ends of the tape.
4. A bag according to claim 1, wherein the ends of the tape are spaced from said open end by a distance which is between 7% and 30% of the length of the bag.
5. A bag according to any of claims 1-3, wherein the tape is made of material stronger than that of the bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002008704A CA2008704C (en) | 1990-01-26 | 1990-01-26 | Bag with attached tie means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002008704A CA2008704C (en) | 1990-01-26 | 1990-01-26 | Bag with attached tie means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2008704A1 CA2008704A1 (en) | 1991-07-26 |
| CA2008704C true CA2008704C (en) | 1993-05-25 |
Family
ID=4144135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002008704A Expired - Fee Related CA2008704C (en) | 1990-01-26 | 1990-01-26 | Bag with attached tie means |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2008704C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVI20100354A1 (en) * | 2010-12-30 | 2012-07-01 | Sacme S P A | STRUCTURE OF SACKS THAT CAN BE REFILLED FOR WASTE OR SIMILAR ITEMS AND METHOD FOR THE REALIZATION OF THE SAME |
| ITBA20120020A1 (en) * | 2012-03-23 | 2013-09-24 | Pipeplast Srl | PLASTIC BAG WITH CLOSING STRIP |
| WO2014174330A1 (en) * | 2013-04-24 | 2014-10-30 | Virosac S.R.L. | Plastic bag with a tying device and production process of plastic bags with a tying device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH687142A5 (en) * | 1996-02-16 | 1996-09-30 | Polypac Ag | Bag, esp. rubbish or collection bag |
-
1990
- 1990-01-26 CA CA002008704A patent/CA2008704C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVI20100354A1 (en) * | 2010-12-30 | 2012-07-01 | Sacme S P A | STRUCTURE OF SACKS THAT CAN BE REFILLED FOR WASTE OR SIMILAR ITEMS AND METHOD FOR THE REALIZATION OF THE SAME |
| ITBA20120020A1 (en) * | 2012-03-23 | 2013-09-24 | Pipeplast Srl | PLASTIC BAG WITH CLOSING STRIP |
| WO2014174330A1 (en) * | 2013-04-24 | 2014-10-30 | Virosac S.R.L. | Plastic bag with a tying device and production process of plastic bags with a tying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2008704A1 (en) | 1991-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20010126 |