US20130148916A1 - Bag including closing profiles actuated by a slider - Google Patents
Bag including closing profiles actuated by a slider Download PDFInfo
- Publication number
- US20130148916A1 US20130148916A1 US13/763,015 US201313763015A US2013148916A1 US 20130148916 A1 US20130148916 A1 US 20130148916A1 US 201313763015 A US201313763015 A US 201313763015A US 2013148916 A1 US2013148916 A1 US 2013148916A1
- Authority
- US
- United States
- Prior art keywords
- slider
- sheets
- bag
- bulges
- profiles
- 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.)
- Abandoned
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Classifications
-
- B65D33/2591—
-
- 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
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
Definitions
- the present invention relates to the field of bags comprising matching closing profiles respectively actuated upon opening and closing by a slider.
- a bag which includes:
- the present invention is therefore directed to solving this difficulty.
- a secondary object of the invention is to fulfill this purpose, without changing the general structure of the aforementioned bag.
- the invention therefore relates to a bag including:
- FIG. 1 is a schematic sectional view of an embodiment of the bag of the invention
- FIGS. 2 and 3 are detailed and enlarged views of the bag structure of FIG. 1 ;
- FIGS. 4 , 5 and 6 are partial front views of a bag according to the invention, illustrating several embodiments of the abutment means.
- the bag illustrated in FIG. 1 has a structure generally known from document WO-A-99/65353 which was commented above.
- This bag 1 includes a mouth 10 and a bottom 11 . It consists of two main plastic sheets referenced as 12 and 13 .
- both sheets are connected together at the bottom 11 .
- both sheets are integral with each other from the start.
- both of these sheets may be initially separate, and then superposed and attached to each other when manufacturing the bag.
- both sheets 12 and 13 are provided with matching closing profiles 2 and 3 .
- the profiles 2 and 3 are of the male and female type respectively, as this is well-known to one skilled in the art. However, the invention may apply to other types of profiles, notably of the type with matching hooks.
- the profiles 2 and 3 are made by extrusion with the sheets 12 and 13 which form the bag.
- these matching profiles may be borne on supporting webs added onto the sheets 12 and 13 , for example by hot welding or adhesive bonding.
- the bag further includes a slider 5 adapted for actuating the profiles 2 and 3 upon closing and opening.
- This slider may be the object of many standard embodiments.
- a typical slider example is described in document EP-A-0 479 661.
- the slider made in plastic material includes two side wings 51 and 52 (or flanks), connected together at a base 50 and which define with an elongated central sole 55 , two convergent passageways for the engageable matching closing profiles 2 and 3 .
- flanks 51 and 52 of the slider extends inwards through bosses 53 and 54 directed towards each other.
- the main walls converge towards in each other in the direction of the inner space of the bag.
- the bag moreover includes additional raised relief means 4 which are designed in order to provide the seal by forming a barrier between the sheets 12 and 13 , in the closure position of the bag. They are positioned inside the closing profiles.
- these means 4 are placed on the inner face of each sheet, facing the flanks 51 and 52 of the slider 5 so as to be urged towards their sealing position by the slider when the latter is moved towards the sealing position.
- these means 4 each consists of bulge of plastic material which extends parallel to the displacement axis X-X′ of the slider.
- the bulges extend exactly facing each other.
- the sheets 12 and 13 include on their outer face, adjacent to the bosses 53 and 54 of the slider, abutment means 6 capable of immobilizing the sheets 12 and 13 relatively to the slider 5 , along a direction generally perpendicular to the displacement axis X-X′ of the slider, by contact between the bosses 53 and 54 and these abutment means 6 .
- the abutment means consist of a bulge of material which extends all along the transverse stretch of the bag.
- the positioning of the sheets relatively to the slider is ⁇ blocked>> so that the additional sealing means 4 are perfectly facing each other and completely provide their sealing function.
- the distance d 1 between said bosses 53 and 54 is smaller than the cumulated thickness d 2 of said relief sealing bulges 4 .
- the distance e 1 between the bulges 6 and said relief sealing bulges is slightly higher than the thickness e 2 of said bosses 53 and 54 .
- This features also permits to maintain said relief sealing bulges in a stable position, facing each other.
- FIGS. 4-6 Different embodiments of the abutment means are illustrated in FIGS. 4-6 .
- the abutment means 6 are illustrated slightly separate from the slider 5 . However, in practice, they are positioned very close to this slider.
- the abutment means consist of a continuous bulge which extends parallel to the displacement axis X-X′ of the slider.
- this bulge, parallel to the X-X′ axis is discontinuous and formed with a series of sections, the largest interval l 2 between two neighboring sections being smaller than the longitudinal dimension l 1 of the slider 5 .
- the latter is always located facing at least one profile.
- the bulge 6 is also discontinuous and consists of a series of sections limited to their simplest expression, which means that they consist of points.
- the sheets, closing profiles, additional sealing means and abutment means may be made in any suitable plastic material known to one skilled in the art.
- this is a polyolefin, very advantageously low or high density polyethylene, or even polypropylene.
- the abutment means 6 are located outside the slider 5 .
- abutment means on the side of the inner space of the slider, on the sheets, may be contemplated.
- the bosses 53 and 54 are framed by the abutment means on their opposite sides.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Slide Fasteners (AREA)
Abstract
The present invention relates to a bag including:
-
- two generally parallel sheets;
- matching closing profiles fixed on these sheets;
- a slider for actuating the profiles, this slider comprising flanks each inner surface of which bears a boss.
This bag is remarkable by the fact that said sheets include on their outer faces, and outside said slider, abutment means capable of immobilizing said sheets relatively to said slider along a direction generally perpendicular to the displacement axis (X-X′) of the slider.
Description
- This application is a continuation-in-part of U.S. patent application Ser. No. 12/275,033, filed Nov. 20, 2008, which claims priority to French Patent Application No. 0708161, filed Nov. 21, 2007, both of which are incorporated herein by reference in their entirety.
- The present invention relates to the field of bags comprising matching closing profiles respectively actuated upon opening and closing by a slider.
- These bags have already been very helpful. Indeed, the sliders facilitate the opening and closing of the bags, so that their presence is strongly appreciated by elderly or partially sighted persons.
- In the past, one was confronted with a sealing defect of these bags. In particular, most of these bags did not have a total seal in the position for closing the profiles. This sealing defect was due to the fact that the profiles remain separate in front of the slider.
- Now, a perfect seal is required in many applications, notably, but without any limitation, for bags used for freezing food products.
- In document WO-A-99/65353, a bag structure is described with which this sealing defect may be overcome.
- Thus, in a particular embodiment, a bag is described, which includes:
-
- two generally parallel sheets forming its main walls,
- matching closing profiles respectively fixed on these sheets,
- a slider for actuating the profiles upon closing and opening, this slider comprising flanks, each inner surface of which bears a boss directed towards the opposite flanks, so that the sheets forming the main walls converge towards each other, said profiles towards said bosses.
- The sealing problem according to the aforementioned document is solved by the fact that parallel to the profiles, between the sheets and at the mouth of the bag, additional raised relief means are provided, positioned on the inside of the closing profiles, designed to provide a seal by forming a barrier between the sheets in the closure position of the bag, these additional means being adapted so as to be urged towards their sealing position by the slider when the latter is moved towards the closure position of the bag.
- Therefore, the relative seal provided by the matching profiles is completed by that provided by the additional raised relief means.
- Such a structure generally gives satisfaction. However, it is perfectible insofar that it is necessary to make sure that the slider is properly positioned relatively to the additional raised relief means, so as to make sure that the sheets are nipped at a distance allowing good contact of these additional means.
- In other words, situations occur in which either one of both sheets of the bag undergoes a slight translation in a direction perpendicular to the displacement axis of the slider, so that the aforementioned additional means are no longer facing the other sheet. It is easily understood that a sealing defect then results from this.
- Even in the absence of said additional means, the slight translation poses a problem.
- The present invention is therefore directed to solving this difficulty.
- A secondary object of the invention is to fulfill this purpose, without changing the general structure of the aforementioned bag.
- The invention therefore relates to a bag including:
-
- two generally parallel sheets forming main walls of the bag,
- matching closing profiles respectively fixed on these sheets; and
- a slider for actuating the profiles upon closing and opening,
- said slider comprises opposing flanks,
- each inner surface of the opposite flanks bears a boss directed towards the other opposite flank such that the sheets forming the main walls of the bag converge towards each other,
- the two generally parallel sheets comprise, on their respective outer faces and outside said slider, a bulge protruding from a surface of each of said sheets and extending parallel to a displacement axis of the slider
- the bulge is adjacent to the slider such that the bulges immobilize the two generally parallel sheets relative to said slider along a direction generally perpendicular to the displacement axis of the slider,
- the bag further comprises, inside said slider, additional raised relief sealing bulges that run parallel to said profiles, on the side of said sheets which face each other,
- the additional raised relief bulges are positioned on a side of the closing profiles that is inside the bag when in a closure position,
- the additional raised relief bulges are designed to provide a seal by forming a barrier between the sheets in the closure position of the bag, and
- said additional raised relief bulges are configured so as to be urged towards a sealing position by the slider when the slider is moved so as to cause the closure position of the bag,
- the distance between said bosses is smaller than the cumulated thickness of said relief sealing bulges,
- the distance between said bulges and said additional raised relief bulges is slightly higher than the width of said bosses.
- By these abutment means, proper positioning of the sheets and of the slider is performed so as to achieve proper nipping of the sheets.
- According to other advantageous but non-limiting features:
-
- the bag further comprises additional abutment bulges located on said sheets in an inner space of the slider;
- said bulge of each sheet is continuous;
- said bulge of each sheet is formed with a series of discontinuous sections, and a largest interval between two neighboring discontinuous sections is smaller than a longitudinal dimension of said slider;
- said bulge of each sheet is made with its respective sheet in a same material;
- said bulge of each sheet is a component added to its respective sheet.
- Other features and advantages of the present invention will become apparent upon reading the following detailed description of certain preferred embodiments.
- This description will be made with reference to the appended drawings wherein:
-
FIG. 1 is a schematic sectional view of an embodiment of the bag of the invention; -
FIGS. 2 and 3 are detailed and enlarged views of the bag structure ofFIG. 1 ; -
FIGS. 4 , 5 and 6 are partial front views of a bag according to the invention, illustrating several embodiments of the abutment means. - The bag illustrated in
FIG. 1 has a structure generally known from document WO-A-99/65353 which was commented above. - This
bag 1 includes amouth 10 and abottom 11. It consists of two main plastic sheets referenced as 12 and 13. - These sheets are connected together at the
bottom 11. In the embodiment illustrated here, both sheets are integral with each other from the start. However, in an embodiment not shown, both of these sheets may be initially separate, and then superposed and attached to each other when manufacturing the bag. - At the
mouth 10, bothsheets closing profiles - These profiles may be the object of many embodiments. The invention is not limited to the specified embodiment illustrated in
FIG. 1 . - In the case illustrated here, the
profiles - In the embodiment of
FIG. 1 , theprofiles sheets - However, in an alternative embodiment not shown, these matching profiles may be borne on supporting webs added onto the
sheets - As mentioned above, the bag further includes a
slider 5 adapted for actuating theprofiles - This slider may be the object of many standard embodiments. A typical slider example is described in document EP-A-0 479 661. In the embodiment shown here, the slider made in plastic material, includes two
side wings 51 and 52 (or flanks), connected together at abase 50 and which define with an elongated central sole 55, two convergent passageways for the engageablematching closing profiles - Thus, when the direction of relative displacement of the
slider 5 with respect to theclosing profiles slider 5 is displaced in the reverse direction, the bag is opened. - It will be noted that the base of the
flanks bosses - Because of the presence of the bosses, the sheets forming the main walls of the bag converge towards each other,
profiles - In other words, from the profiles, the main walls converge towards in each other in the direction of the inner space of the bag.
- The bag moreover includes additional raised relief means 4 which are designed in order to provide the seal by forming a barrier between the
sheets - In other words, these
means 4 are placed on the inner face of each sheet, facing theflanks slider 5 so as to be urged towards their sealing position by the slider when the latter is moved towards the sealing position. - More specifically, these
means 4 each consists of bulge of plastic material which extends parallel to the displacement axis X-X′ of the slider. - To provide the seal, the bulges extend exactly facing each other.
- But, as discussed above, it occurs that one of the
sheets bulges 4 are no longer strictly facing each other. - A sealing defect then results from this.
- This is the reason why the
sheets bosses sheets slider 5, along a direction generally perpendicular to the displacement axis X-X′ of the slider, by contact between thebosses - In the embodiment shown in
FIGS. 1-3 , the abutment means consist of a bulge of material which extends all along the transverse stretch of the bag. - In the embodiment of
FIG. 2 , these are bulges added on thesheets FIG. 3 , these bulges are extruded with thesheets - By the presence of these abutment means, the positioning of the sheets relatively to the slider is <<blocked>> so that the additional sealing means 4 are perfectly facing each other and completely provide their sealing function. As clearly shown on
FIG. 1 , the distance d1 between saidbosses - Consequently, said both sheets are “pinced” between said
bosses bulges 6 against theslider 5. - The result is that said relief sealing bulges always face each other.
- Furthermore, and as also shown on
FIG. 1 , the distance e1 between thebulges 6 and said relief sealing bulges is slightly higher than the thickness e2 of saidbosses - This features also permits to maintain said relief sealing bulges in a stable position, facing each other.
- Moreover, because of the presence of the
profiles sheets sheets - Different embodiments of the abutment means are illustrated in
FIGS. 4-6 . In order to facilitate reading of these figures, the abutment means 6 are illustrated slightly separate from theslider 5. However, in practice, they are positioned very close to this slider. - In the embodiment of
FIG. 4 , the abutment means consist of a continuous bulge which extends parallel to the displacement axis X-X′ of the slider. - In the embodiment illustrated in
FIG. 5 , this bulge, parallel to the X-X′ axis is discontinuous and formed with a series of sections, the largest interval l2 between two neighboring sections being smaller than the longitudinal dimension l1 of theslider 5. - Thus, regardless of the positioning of the slider, the latter is always located facing at least one profile.
- Finally, in the embodiment of
FIG. 6 , thebulge 6 is also discontinuous and consists of a series of sections limited to their simplest expression, which means that they consist of points. - There again, the largest interval l3 between two neighboring profiles is smaller than the longitudinal dimension l1 of the slider.
- The sheets, closing profiles, additional sealing means and abutment means may be made in any suitable plastic material known to one skilled in the art.
- Preferably, this is a polyolefin, very advantageously low or high density polyethylene, or even polypropylene.
- In the embodiments illustrated in the appended figures, the abutment means 6 are located outside the
slider 5. - However, provision of additional, identical or similar abutment means on the side of the inner space of the slider, on the sheets, may be contemplated. Thus, the
bosses
Claims (6)
1. A bag comprising:
two generally parallel sheets forming main walls of the bag;
matching closing profiles respectively fixed on these sheets; and
a slider for actuating the profiles upon closing and opening,
wherein said slider comprises opposing flanks,
wherein each inner surface of the opposite flanks bears a boss directed towards the other opposite flank such that the sheets forming the main walls of the bag converge towards each other,
wherein the two generally parallel sheets comprise, on their respective outer faces and outside said slider, a bulge protruding from a surface of each of said sheets and extending parallel to a displacement axis of the slider
wherein the bulge is adjacent to the slider such that the bulges immobilize the two generally parallel sheets relative to said slider along a direction generally perpendicular to the displacement axis of the slider,
wherein the bag further comprises, inside said slider, additional raised relief sealing bulges that run parallel to said profiles, on the side of said sheets which face each other,
wherein the additional raised relief bulges are positioned on a side of the closing profiles that is inside the bag when in a closure position,
wherein the additional raised relief bulges are designed to provide a seal by forming a barrier between the sheets in the closure position of the bag, and
wherein said additional raised relief bulges are configured so as to be urged towards a sealing position by the slider when the slider is moved so as to cause the closure position of the bag,
wherein the distance between said bosses is smaller than the cumulated thickness of said relief sealing bulges,
and wherein the distance between said bulges and said additional raised relief bulges is slightly higher than the width of said bosses.
2. The bag according to claim 1 , further comprising additional abutment bulges located on said sheets in an inner space of the slider.
3. The bag according to claim 1 , wherein said bulge of each sheet is continuous.
4. The bag according to claim 1 , wherein said bulge of each sheet is formed with a series of discontinuous sections, and wherein a largest interval between two neighboring discontinuous sections is smaller than a longitudinal dimension of said slider.
5. The bag according to claim 1 , wherein said bulge of each sheet is made with its respective sheet in a same material.
6. The bag according to claim 1 , wherein said bulge of each sheet is a component added to its respective sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/763,015 US20130148916A1 (en) | 2007-11-21 | 2013-02-08 | Bag including closing profiles actuated by a slider |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0708161A FR2923806B1 (en) | 2007-11-21 | 2007-11-21 | BAG COMPRISING CLOSURE PROFILES ACTED BY A CURSOR |
FR0708161 | 2007-11-21 | ||
US12/275,033 US20090142007A1 (en) | 2007-11-21 | 2008-11-20 | Bag including closing profiles actuated by a slider |
US13/763,015 US20130148916A1 (en) | 2007-11-21 | 2013-02-08 | Bag including closing profiles actuated by a slider |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/275,033 Continuation-In-Part US20090142007A1 (en) | 2007-11-21 | 2008-11-20 | Bag including closing profiles actuated by a slider |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130148916A1 true US20130148916A1 (en) | 2013-06-13 |
Family
ID=48572042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/763,015 Abandoned US20130148916A1 (en) | 2007-11-21 | 2013-02-08 | Bag including closing profiles actuated by a slider |
Country Status (1)
Country | Link |
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US (1) | US20130148916A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9114914B2 (en) * | 2012-09-28 | 2015-08-25 | S.C. Johnson & Son, Inc. | Storage bag with textured area on lips to facilitate closing process |
US9216845B2 (en) | 2012-10-26 | 2015-12-22 | Illinois Tool Works Inc. | Leak-resistant slider select zipper |
US20160083148A1 (en) * | 2013-10-22 | 2016-03-24 | Mupack Ozaki Corporation | Slider structure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6584666B1 (en) * | 1999-06-10 | 2003-07-01 | The Glad Products Company | Method and apparatus for assembling slider members onto interlocking fastening strips using a rail |
US20040136618A1 (en) * | 1999-06-17 | 2004-07-15 | Steven Ausnit | Watertight slider-zipper assembly for reclosable packaging |
US6817763B2 (en) * | 2002-10-30 | 2004-11-16 | Reynolds Consumer Products, Inc. | Leak-proof package design including reclosable zipper having slider including a full-length plow |
US7090397B2 (en) * | 2003-06-03 | 2006-08-15 | Stolmeier Robert C | Single use container |
US7496992B2 (en) * | 2005-07-01 | 2009-03-03 | Illinois Tool Works Inc. | Leakproof fastener with slider |
-
2013
- 2013-02-08 US US13/763,015 patent/US20130148916A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6584666B1 (en) * | 1999-06-10 | 2003-07-01 | The Glad Products Company | Method and apparatus for assembling slider members onto interlocking fastening strips using a rail |
US20040136618A1 (en) * | 1999-06-17 | 2004-07-15 | Steven Ausnit | Watertight slider-zipper assembly for reclosable packaging |
US6817763B2 (en) * | 2002-10-30 | 2004-11-16 | Reynolds Consumer Products, Inc. | Leak-proof package design including reclosable zipper having slider including a full-length plow |
US7090397B2 (en) * | 2003-06-03 | 2006-08-15 | Stolmeier Robert C | Single use container |
US7496992B2 (en) * | 2005-07-01 | 2009-03-03 | Illinois Tool Works Inc. | Leakproof fastener with slider |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9114914B2 (en) * | 2012-09-28 | 2015-08-25 | S.C. Johnson & Son, Inc. | Storage bag with textured area on lips to facilitate closing process |
US9216845B2 (en) | 2012-10-26 | 2015-12-22 | Illinois Tool Works Inc. | Leak-resistant slider select zipper |
US9750314B2 (en) | 2012-10-26 | 2017-09-05 | Illinois Tool Works Inc. | Leak-resistant slider select zipper |
US20160083148A1 (en) * | 2013-10-22 | 2016-03-24 | Mupack Ozaki Corporation | Slider structure |
US9481494B2 (en) * | 2013-10-22 | 2016-11-01 | Mupack Ozaki Co., Ltd. | Slider structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |