EP1935799B1 - Bags with hem - Google Patents
Bags with hem Download PDFInfo
- Publication number
- EP1935799B1 EP1935799B1 EP07024304A EP07024304A EP1935799B1 EP 1935799 B1 EP1935799 B1 EP 1935799B1 EP 07024304 A EP07024304 A EP 07024304A EP 07024304 A EP07024304 A EP 07024304A EP 1935799 B1 EP1935799 B1 EP 1935799B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hem
- wall
- front wall
- joint
- bag
- 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.)
- Not-in-force
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Classifications
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- 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
- B65D33/06—Handles
- B65D33/08—Hand holes
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- 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
- B65D33/06—Handles
- B65D33/10—Handles formed of similar material to that used for the bag
- B65D33/105—U-shaped
Definitions
- the present invention relates to a loop bag comprising a bag body substantially of thermoplastic material having a front wall, a rear wall and optionally a first and / or second side wall which at least partially along the first and second side edges of the front and rear walls of the front and rear walls connect to each other, wherein the front wall, the rear wall and optionally the first and second side walls have an opening edge and an opposite bottom edge and in the region of the opening edge inside and / or outside at least partially have a seam substantially of thermoplastic material, and a first Carrying handle for the front wall and a second carrying handle for the rear wall, each having a first and second connection region, wherein the first and second attachment regions of the first carrying strap each at spaced first and second Anbin bonded or thermoplastic welded to the seam of the front wall and optionally the front wall and wherein the first and second connection areas of the second support loop respectively glued at spaced first and second attachment sites or are thermoplastically welded to the seam of the rear wall and optionally the rear wall.
- Carrying bags made of plastic materials come in a variety of forms and for any transportation purposes used. While with smaller-sized plastic carrier bags, the carrying handles are regularly formed in the bag walls by optionally reinforced punched through openings, are often used separately for larger-sized plastic carrier bags separately attached to the front and rear wall loops different length. Usually used for the bag walls and the carrying straps thermoplastic plastic materials that are either identical or homogeneously miscible in the melt. In this way, the carrying straps can be thermally melted. Such conventional loop pockets can be found for example in the DE 101 16 920 A1 , of the WO 01/51372 A1 and the DE 40 12 897 A1 disclosed. A disadvantage of the known loop carrying bags is still their quite expensive production. Also, the wear resistance usually leaves nothing to be desired.
- a carrier bag made of thermoplastic material is described with handles made of thermoplastic plastic strips described, the attachment ends are fixed in each case in the region of the filling opening inwardly folded and firmly connected to the side wall facing edge regions of the side walls.
- the edge regions have to be connected to the respectively associated side wall at least in the region of the intended fastening of the fastening ends of the carrying handles.
- the attachment ends of the carrying handles and the folded over edge regions of the side walls via splices must also be present together.
- the side walls are turned over in the upper edge area to the inside.
- the grip or carrying loops have to be manufactured from a similarly flexible material and to be materially present on the edge region folded inwards.
- the edge region of a first side wall has to protrude beyond the edge region of the second side wall, and the protruding edge region has an incision in the region of the grip loops through which these grip loops can be passed.
- Plastic loop carrying bags are often disposable products made in large numbers by machine or semi-mechanical means. Although it is therefore a mass product in the case of loop carrying bags, great care is nevertheless required in their manufacture in order to ensure a sufficient load-bearing capacity, especially in the case of larger bags, during transport. A weight-related tearing of a strap is unacceptable. Accordingly, industrial users of loop carrying bags, such as department stores and hypermarkets, place high demands on the quality of such bags. The same applies to grip hole carrier bags made of plastic.
- the present invention therefore an object of the invention to provide bags made of plastic available that do not suffer from the disadvantages of the carrier bags of the prior art and are particularly suitable for the reliable transport of heavy loads, and can also be produced in a simple and cost-effective manner in automated series production.
- the bag body of the bags according to the invention can assume any geometric shapes.
- the pocket body surfaces are square or rectangular in dimension, with the front wall and the rear wall preferably having an identical blank.
- the opening edge of the bag body is generally formed by opposing edge courses of the front and rear walls and optionally of the first and second side wall.
- the opening edge of the bag body is opposite to a bottom edge. This can be e.g. obtained by the fact that the bottom edge profiles of the front and rear walls are welded together.
- the bag body can also have a bottom element, for example a separate bottom element.
- the bottom-side courses of the front and rear walls and optionally of the first and second side wall connected to a, in particular separate bottom element, in particular welded. Bags according to the invention thus also include bottom folding pockets.
- the opening edges of the front and rear walls and optionally of the first and second side wall regularly form the opening of the bag body, is introduced by the goods to be transported in the pocket.
- a hem of thermoplastic synthetic material extends at least in sections inside and / or outside from the front and / or rear wall.
- the bag body is thus carried out at least two layers, i. from hem and front wall or hem and back wall.
- the hem can be used as a separate element or e.g. be integral with the front or rear wall.
- the seam may also extend from the opening edge to e.g. extend to the bottom edge of the front and / or rear wall or at the same time present on the front and / or rear wall inside and outside.
- the loop bag according to the invention is equipped with at least a first carrying handle for the front wall and at least one second carrying handle for the rear wall. These carrying handles have spaced apart from each other a first and a second connection area for connection to the front or rear wall. Accordingly, the portion between these first and second attachment portions of the first and second carrying handles is available as a grip portion.
- a suitable carrying loop or a suitable carrying handle is obtained regularly by the fact that the first and / or second attachment regions of a carrying loop spaced from one another bonded to the seam of the rear wall and optionally the rear wall or with the seam of the front wall and possibly the front wall to form attachment sites and / or thermoplastically welded.
- a thermoplastic welding takes place with the seam and the front wall or with the seam and the rear wall.
- the attachment sites are preferably obtained by contact welding.
- a particularly high degree of wearability arises according to the invention when, viewed in the direction from the opening edge to the bottom edge, below or beyond at least one attachment point, in particular all attachment points, or below the access openings of the hem of the front wall with the adjacent front wall and / or the seam of the rear wall are thermoplastically contact welded to the rear wall at the connection points. Accordingly, if the bags according to the invention are used in the usual way for the transport of goods, corresponding connection points are present below the attachment points of the first or second carrying handle. In the usual way, a loop pocket is then used when it is held on the carrying straps and therein located, to be transported goods of the bag gravity-driven pull against the ground.
- the attachment points of the carrying straps do not overlap with the connection points of the pockets according to the invention.
- the first, second, and / or third junctions are typically in longitudinal orientation of the carrier bag, that is, as viewed from the opening edge to the bottom edge, between the tethers and the bottom edge of the welt.
- the pockets further have at least one, in particular continuous, thermoplastic weld between the seam of the front wall and the front wall and / or between the seam of the rear wall and the rear wall and optionally between the seam of the first and second side wall and first and second side wall, the extending along and spaced from the opening edge of the front wall and / or rear wall and optionally of the first and / or second side wall, in particular parallel, and, viewed in the direction from the opening edge to the bottom edge, on either side of the first and second connection points of the first and / or second or second loop of the loop bag or on this side of at least one particular all access openings of the handle hole carrying bag, that is above the access openings, when the bag according to the invention is used in the usual way for the transport of goods extends.
- the weld is typically present between the upper edge of the carrier bag and the access opening.
- this thermoplastic weld extends, in particular fully, along and spaced from the opening edge of the front and rear walls.
- the weld preferably extends over substantially the entire width of the front and rear walls.
- the course of the weld is adjusted in such a way that with generic use of the invention pockets this weld above or in the direction of the opening edge on this side of the through openings of the front and / or rear wall or this side of the first and second attachment points, ie between the first and second attachment point and the edge of the opening edge of the front wall and the rear wall extends.
- the weld described above generally serves to better handle the bag by attaching the seam to the front wall or rear wall, thereby avoiding folding over of the seam, especially during the manufacturing process of the pockets according to the invention.
- This weld is made regularly by treating the plastic sheets obtained from the front or rear wall with hot air, but may also comprise in another embodiment, a weld obtained by contact welding.
- loop pockets have proved to be particularly advantageous, in which the first and / or second attachment regions of the first and / or second strap each have at least one, in particular at least two or three attachment sites with the seam and optionally at bonded to the hem front and / or rear wall or in particular are welded thermoplastic.
- the transverse extent of the first and / or second connection points of the seam to the front or rear wall between the first and second side edge below the first and / or second Connection point of the front and / or rear wall at least half the width, in particular at least the single or double width of each adjacent first or second attachment point.
- such embodiments are suitable in which the width of the connection points substantially equal to the width of the first or second connection point or narrower than this.
- the width of the joints of the seam with the front and rear walls in this case represents the extension in the direction of the first to the second side edge of the front or rear wall. This transverse extent is generally parallel to the upper edge of the opening.
- inventive loop carrying bags have proven to be advantageous in which bonded between the first and second joints of the front wall with the front wall and / or the hem of the rear wall with the rear wall along at least a fourth joint at least partially glued and / or thermoplastically welded is or are.
- connection point is interrupted once or several times, for example, comprises a sequence of successive separate connection point segments, as long as connection points are also present below the connection points.
- the continuous connection point extends from the first side edge to the second side edge of the front and / or rear wall.
- all joints are obtained by gluing the seam and front wall and / or hem and back wall with a hot melt adhesive or with double-sided adhesive tape.
- the average extent of at least one, in particular all, joints viewed in the direction from the opening edge to the bottom edge of the front wall or back wall, in the range of 2 to 20 mm, preferably 3 to 15 mm and more preferably from 4 to 10 mm.
- the seam of the front wall on the inside of the front wall and / or the seam of the rear wall on the inside of the rear wall and optionally the seam of the first and / or second sidewall on the inside of the first and second sidewalls is characterized in that the seam of the front wall is integrally connected thereto and / or the seam of the rear wall is integrally connected thereto and that optionally the seam of the first and second side walls each integrally connected thereto are.
- first and / or second attachment point comprise a V-shaped or U-shaped basic shape.
- those embodiments are of particular advantage in which the apex of the V- or U-shaped attachment point faces the upper opening edge, the bottom edge or the first or second side edge of the front wall or rear wall.
- the V- or U-shape of the connection point can also be arranged as desired.
- Such loop pockets according to the invention have proved to be particularly advantageous in which the first and second attachment points of the front and / or rear wall have no overlap with the first or second connection points.
- first and / or second attachment point e.g. square rectangular, circular, semi-circular or oval-shaped or assume any other geometric shape.
- any conventional thermoplastic polymer materials can be used.
- polyesters e.g. Polybutylene terephthalates and polyethylene terephthalates, polyamides, polystyrene, styrene (co) polymers such as ABS, SAN and ASA, and polyolefins.
- the front wall, the rear wall and optionally the first and second side walls and the associated hems are made of polypropylene and / or polyethylene or copolymers thereof.
- the first and second carrying handles are also preferably formed from the aforementioned thermoplastic polymers.
- the first and second carrying handles are particularly preferably made of polyolefins, in particular polypropylene and / or polyethylene or copolymers thereof, or of polyesters, in particular PET.
- the front wall, the hem of the front wall and the first strap and / or the rear wall, the seam of the rear wall and the second strap are each made of the same thermoplastic material, such as polypropylene or polyethylene.
- the present invention is based on the surprising finding that particularly good load-bearing strength values can be obtained with the carrier bags according to the invention.
- the bags according to the invention allow for a very high loading, without the risk of tearing the handle, the access opening or the bag is accompanied altogether. Load-bearing tests have shown that a tearing of the loop pocket according to the invention at the attachment sites of the carrying handles on the bag body is not observed.
- FIG. 1 is the schematic view of the inside of the front wall 2 together with the first carrying handle 4 and the seam 6 can be seen.
- the non-illustrated back of the loop pocket 1 is generally designed substantially identical to the front wall.
- the Front wall 2 has an opening edge 8, an opening edge 8 opposite bottom edge 10 and first and second side edges 12 and 14.
- the front wall 2 and the rear wall not shown, made of thermoplastic polymer materials, such as polyethylene, so that the bag body 16 by welding of front wall 2 and rear wall in the region of abutting first and second side edges 12 and 14 and the adjacent bottom edges 10 is obtained.
- the first carrying handle 4 has first and second attachment regions 18 and 20, which are spaced from one another in the region of the upper opening edge 8.
- the first carrying handle 4 made of a thermoplastic polymer material, for example made of polyethylene, is connected to the bag body 16 in the region of the first and second attachment regions 18, 20 via first and second attachment sites 22a and 22b or 24a and 24b, respectively, by means of thermoplastic Welding by application of pressure and heat, also called contact welding.
- thermoplastic Welding by application of pressure and heat, also called contact welding.
- Such welding methods and devices suitable for thermoplastic welding are well known to those skilled in the art.
- the illustrated front wall 2 in the region of the opening edge 8 has a seam 6, which is preferably obtained in the manufacturing process of the bag body by folding the upper edge of the front wall material on the inside.
- the seam 6 and the front wall 2 are accordingly in the in Fig. 1 formed embodiment integrally formed.
- first and second connection points of the first and second connection regions 18 and 20 of the first carrying handle 4 are present on the inside, welding at the attachment points takes place first with the seam 6.
- first carrying handle 4 in the region of the first and second connection regions 18, 20 is also also welded to the front wall 2 resting against the seam 6.
- the first and second attachment points 22 and 24 are preferably designed V-shaped in the illustrated embodiment, wherein the opening of the V-shaped connection preferably points in the direction of the bottom edge 10.
- connection points 28 and 30 are particularly preferably obtained by contact welding. At these joints, which are in the generic use of the loop pocket according to the invention below the first and second connection areas 18 and 20, the seam 6 is accordingly welded to the front wall 2. In a particularly preferred embodiment of the loop pockets according to the invention, care should be taken here that the connection points 28 and 30 have no overlapping areas with the welded connection points 22a, 22b or 24a and 24b.
- FIG. 1 For better illustration of the above-described attachment of the first handle 4 and the hem 6 is in FIG. 1 shown segment A in FIG. 2 magnified reproduced.
- FIG. 2 corresponds to the width of the connection point 28 substantially the width of the attachment points 22a and 22b, or does not significantly beyond this.
- the junction 28 is in generic use substantially below the connection points 22a and 22b.
- the width of the connection point 28 is dimensioned such that it at least slightly exceeds both the direction of the first side edge and in the direction of the second side edge over the lateral extent of the attachment points 22a and 22b.
- the above explanations also apply with regard to the connection point 30 and the attachment points 24a and 24b as well as to the corresponding connection points of the rear wall.
- the advantageous embodiment according to the Figures 1 and 2 also has a substantially parallel to the upper opening edge extending weld 26 which connects the seam 6 with the inside of the front wall 2 along a weld line.
- This weld seam 26 runs in the illustrated preferred embodiment with respect to the opening edge on this side, ie in generic use above the welded connection points 22a and 22b and 24a and 24b and preferably has no overlap with these.
- the weld 26 is regularly obtained by treatment with hot air.
- FIG. 3 an alternative embodiment of a loop pocket 1 according to the invention can be seen.
- the seam 6 is preferably on the inside with the front wall 2 is thermoplastic contact welded.
- connection points 34 and 36 are linear and run in the illustrated embodiment is substantially parallel, and Although each laterally spaced from the connection points 22a and 22b.
- connection variant of a loop bag according to the invention also set particularly high resistance to wear.
- connection points 34 and 36 may be extended, for example in the direction of the bottom edge of the bag body and pass into the connection points 28 and 30, for example, to form a U-shaped basic shape.
- FIG. 4 shows a particularly preferred embodiment of a loop pocket according to the invention 1.
- a loop pocket according to the invention 1.
- the front wall 2 of this bag can be seen extending from the first side edge 12 to the second side edge 14 of the front wall 2 Vietnameserekkende continuous connection point 38 which extends below the connection points 22 and 24 and the seam 6, in particular by means of thermoplastic contact welding, with the inside of the front wall 2 connects.
- the continuous connection point 38 preferably runs essentially parallel to the upper opening edge 8 of the bag body and includes the connection points 28 and 30 below the connection points 22 and 24.
- the hem is respectively on the inside of the front and rear wall.
- the respective carrying loops are inside, ie mounted on the skirt material of the front wall or rear wall.
- the reverse attachment, ie hem outside and attachment points of the straps inside is also possible.
- FIG. 5 is a bag in the form of a handle pocket 1 'refer.
- the handle hole pocket 1 has an opening edge 8 and a bottom edge 10 and front wall and rear wall (not shown) on inner seams 6 in the region of the opening edge 8.
- the seams 6 are preferably formed integrally with the front or rear wall.
- the seams 6 are attached to the front or rear wall with a thermoplastic weld 26 obtained by means of hot air treatment. As shown, this weld preferably runs above the handle hole 40, ie between the opening edge 8 and the handle hole 40.
- the handle hole pocket 1 'therefore has via a grip hole 40 mounted between the first side edge 12 and the second side edge 14 in a substantially central position.
- the grip hole 40 lies completely in the seam 6, ie even below the handle hole there is still seam material.
- a third joint 42 which has preferably been obtained by means of thermoplastic contact welding.
- This third joint 42 extends as in FIG FIG. 5
- the third connection point 42 preferably runs essentially parallel to the opening edge 8 or to the bottom edge 10.
- the third connection point 42 preferably extends substantially parallel to the opening edge 8 or the bottom edge 10 (not shown) embodiment, the third joint 42, similar to the embodiment according to FIG. 4 , Also extend over the entire width of the handle pocket 1 ', in particular continuously.
- the connection points 42 are preferably present both at the edge of the front wall and at the edge of the rear wall of the handle hole pocket 1 '.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- External Artificial Organs (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Massaging Devices (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Sheet Holders (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Schlaufentasche, umfassend einen Taschenkörper im wesentlichen aus thermoplastischem Kunststoff mit einer Vorderwand, einer Rückwand und gegebenenfalls einer ersten und/oder zweiten Seitenwand, welche die Vorder- und Rückwand zumindest abschnittsweise entlang der ersten und zweiten Seitenränder von Vorder- und Rückwand miteinander verbinden, wobei die Vorderwand, die Rückwand und gegebenenfalls die ersten und zweiten Seitenwände über einen Öffnungsrand und einen gegenüberliegenden bodenseitigen Rand verfügen und im Bereich des Öffnungsrandes innen- und/oder außenseitig zumindest abschnittsweise einen Saum im wesentlichen aus thermoplastischem Kunststoff aufweisen, und einen ersten Tragegriff für die Vorderwand und einen zweiten Tragegriff für die Rückwand mit jeweils einem ersten und zweiten Anbindungsbereich, wobei die ersten und zweiten Anbindungsbereiche der ersten Trageschlaufe jeweils an beabstandeten ersten und zweiten Anbindungsstellen verklebt oder thermoplastisch verschweißt sind mit dem Saum der Vorderwand und gegebenenfalls der Vorderwand und wobei die ersten und zweiten Anbindungsbereiche der zweiten Trageschlaufe jeweils an beabstandeten ersten und zweiten Anbindungsstellen verklebt oder thermoplastisch verschweißt sind mit dem Saum der Rückwand und gegebenenfalls der Rückwand.The present invention relates to a loop bag comprising a bag body substantially of thermoplastic material having a front wall, a rear wall and optionally a first and / or second side wall which at least partially along the first and second side edges of the front and rear walls of the front and rear walls connect to each other, wherein the front wall, the rear wall and optionally the first and second side walls have an opening edge and an opposite bottom edge and in the region of the opening edge inside and / or outside at least partially have a seam substantially of thermoplastic material, and a first Carrying handle for the front wall and a second carrying handle for the rear wall, each having a first and second connection region, wherein the first and second attachment regions of the first carrying strap each at spaced first and second Anbin bonded or thermoplastic welded to the seam of the front wall and optionally the front wall and wherein the first and second connection areas of the second support loop respectively glued at spaced first and second attachment sites or are thermoplastically welded to the seam of the rear wall and optionally the rear wall.
Tragetaschen aus Kunststoffmaterialien kommen in vielfältigster Form und für jedwede Transportzwecke zum Einsatz. Während bei kleinerdimensionierten Kunststofftragetaschen die Tragegriffe regelmäßig in den Beutelwandungen durch gegebenenfalls verstärkte eingestanzte Durchgriffsöffnungen gebildet werden, kommen bei größerdimensionierten Kunststofftragetaschen häufig separat an die Vorder- und Rückwand angebrachte Trageschlaufen unterschiedlicher Länge zum Einsatz. Üblicherweise verwendet man für die Beutelwandungen und die Trageschlaufen thermoplastische Kunststoffinaterialien, die entweder identisch oder in der Schmelze homogen mischbar sind. Auf diese Weise können die Trageschlaufen thermisch angeschmolzen werden. Solche herkömmlichen Schlaufentaschen finden sich beispielsweise in der
In der
Aus der
Bei Schlaufentragetaschen aus Kunststoff handelt es sich häufig um Wegwerfprodukte, die in sehr großer Stückzahl maschinell oder halbmaschinell hergestellt werden. Obwohl es sich bei Schlaufentragetaschen somit um ein Massenprodukt handelt, ist gleichwohl bei deren Herstellung große Sorgfalt erforderlich, um eine hinreichende Belastbarkeit, insbesondere auch bei größeren Taschen, während des Transports sicherzustellen. Ein gewichtsbedingtes Abreißen einer Trageschlaufe ist nicht hinnehmbar. Demgemäß stellen die gewerblichen Abnehmer von Schlaufentragetaschen, beispielsweise Kaufhäuser und Großmarktketten, hohe Anforderungen an die Qualität solcher Taschen. Das gleiche trifft auf Grifflochtragetaschen aus Kunststoff zu.Plastic loop carrying bags are often disposable products made in large numbers by machine or semi-mechanical means. Although it is therefore a mass product in the case of loop carrying bags, great care is nevertheless required in their manufacture in order to ensure a sufficient load-bearing capacity, especially in the case of larger bags, during transport. A weight-related tearing of a strap is unacceptable. Accordingly, industrial users of loop carrying bags, such as department stores and hypermarkets, place high demands on the quality of such bags. The same applies to grip hole carrier bags made of plastic.
Der vorliegenden Erfindung lag daher die Aufgabe zugrunde, Tragetaschen aus Kunststoff zur Verfügung zu stellen, die nicht mit den Nachteilen der Tragetaschen des Stands der Technik behaftet und insbesondere für den zuverlässigen Transport schwerer Lasten geeignet sind und sich zudem auf einfache und kostengünstige Weise in maschineller Serienfertigung herstellen lassen.The present invention therefore an object of the invention to provide bags made of plastic available that do not suffer from the disadvantages of the carrier bags of the prior art and are particularly suitable for the reliable transport of heavy loads, and can also be produced in a simple and cost-effective manner in automated series production.
Demgemäß wurde eine Schlaufentasche gemäß den Merkmalen des Patentanspruchs 1 gefunden.Accordingly, a loop bag according to the features of
Die Taschenkörper der erfindungsgemäßen Taschen können beliebige geometrische Formen annehmen. Üblicherweise sind die Taschenkörperflächen quadratisch oder rechteckig dimensioniert, wobei die Vorderwand und die Rückwand vorzugsweise einen identischen Zuschnitt aufweisen. Der Öffnungsrand des Taschenkörpers wird im allgemeinen durch sich gegenüberliegende Kantenverläufe von Vorder- und Rückwand und gegebenenfalls von erster und zweiter Seitenwand gebildet. Dem Öffnungsrand des Taschenkörpers liegt ein bodenseitiger Rand gegenüber. Dieser läßt sich z.B. dadurch erhalten, daß die bodenseitigen Kantenverläufe von Vorder- und Rückwand miteinander verschweißt werden. In einer weiteren Ausführungsform kann der Taschenkörper auch ein Bodenelement, beispielsweise ein separates Bodenelement, aufweisen. In einer Ausführungsform können z.B. die bodenseitigen Verläufe von Vorder- und Rückwand sowie gegebenenfalls von erster und zweiter Seitenwand mit einem, insbesondere separaten Bodenelement verbunden, insbesondere verschweißt sein. Erfindungsgemäße Taschen umfassen somit ebenfalls Bodenfaltentaschen.The bag body of the bags according to the invention can assume any geometric shapes. Usually, the pocket body surfaces are square or rectangular in dimension, with the front wall and the rear wall preferably having an identical blank. The opening edge of the bag body is generally formed by opposing edge courses of the front and rear walls and optionally of the first and second side wall. The opening edge of the bag body is opposite to a bottom edge. This can be e.g. obtained by the fact that the bottom edge profiles of the front and rear walls are welded together. In a further embodiment, the bag body can also have a bottom element, for example a separate bottom element. In one embodiment, e.g. the bottom-side courses of the front and rear walls and optionally of the first and second side wall connected to a, in particular separate bottom element, in particular welded. Bags according to the invention thus also include bottom folding pockets.
Die Öffnungsränder von Vorder- und Rückwand und gegebenenfalls von erster und zweiten Seitenwand bilden regelmäßig die Öffnung des Taschenkörpers, durch die zu transportierendes Gut in die Tasche eingebracht wird.The opening edges of the front and rear walls and optionally of the first and second side wall regularly form the opening of the bag body, is introduced by the goods to be transported in the pocket.
Im Bereich des Öffnungsrandes erstreckt sich bei den erfindungsgemäßen Taschen innen-und/oder außenseitig von der Vorder- und/oder der Rückwand zumindest abschnittsweise ein Saum aus thermoplastischem Kunststoffmaterial. In diesem Bereich ist der Taschenkörper folglich mindestens zweilagig ausgeführt, d.h. aus Saum und Vorderwand bzw. Saum und Rückwand. Der Saum kann als separates Element oder z.B. einstückig mit der Vorder- bzw. Rückwand ausgeführt sein. Selbstverständlich kann in einer alternativen Ausführungsform der Saum sich auch von dem Üffnungsrand bis z.B. zu dem bodenseitigem Rand von Vorder-und/oder Rückwand erstrecken oder gleichzeitig innen- und außenseitig auf Vorder- und/oder Rückwand vorliegen.In the region of the opening edge, in the case of the pockets according to the invention, a hem of thermoplastic synthetic material extends at least in sections inside and / or outside from the front and / or rear wall. In this area, the bag body is thus carried out at least two layers, i. from hem and front wall or hem and back wall. The hem can be used as a separate element or e.g. be integral with the front or rear wall. Of course, in an alternative embodiment, the seam may also extend from the opening edge to e.g. extend to the bottom edge of the front and / or rear wall or at the same time present on the front and / or rear wall inside and outside.
Die erfindungsgemäße Schlaufentasche ist mit mindestens einem ersten Tragegriff für die Vorderwand und mindenstens einem zweiten Tragegriff für die Rückwand ausgestattet. Diese Tragegriffe weisen beabstandet voneinander einen ersten und einen zweiten Anbindungsbereich zwecks Anbindung an die Vorder- bzw. Rückwand auf. Demgemäß steht der Abschnitt zwischen diesen ersten und zweiten Anbindungsbereichen von erstem und zweitem Tragegriff als Griffabschnitt bzw. Trageschlaufe zur Verfügung. Eine geeignete Trageschlaufe bzw. einen geeigneten Tragegriff erhält man regelmäßig dadurch, daß die ersten und/oder zweiten Anbindungsbereiche einer Trageschlaufe beabstandet voneinander unter Ausbildung von Anbindungsstellen mit dem Saum der Rückwand und gegebenenfalls der Rückwand bzw. mit dem Saum der Vorderwand und gegebenenfalls der Vorderwand verklebt und/oder thermoplastisch verschweißt werden. Bevorzugt findet eine thermoplastische Verschweißung mit dem Saum und der Vorderwand bzw. mit dem Saum und der Rückwand statt. Die Anbindungsstellen werden vorzugsweise mittels Kontaktschweißens erhalten.The loop bag according to the invention is equipped with at least a first carrying handle for the front wall and at least one second carrying handle for the rear wall. These carrying handles have spaced apart from each other a first and a second connection area for connection to the front or rear wall. Accordingly, the portion between these first and second attachment portions of the first and second carrying handles is available as a grip portion. A suitable carrying loop or a suitable carrying handle is obtained regularly by the fact that the first and / or second attachment regions of a carrying loop spaced from one another bonded to the seam of the rear wall and optionally the rear wall or with the seam of the front wall and possibly the front wall to form attachment sites and / or thermoplastically welded. Preferably, a thermoplastic welding takes place with the seam and the front wall or with the seam and the rear wall. The attachment sites are preferably obtained by contact welding.
Ein besonders hohes Maß an Tragefestigkeit stellt sich erfindungsgemäß dann ein, wenn, betrachtet in Richtung von dem Öffnungsrand zu dem bodenseitigem Rand, unterhalb bzw. jenseits mindestens einer Anbindungsstelle, insbesondere sämtlicher Anbindungsstellen, bzw. unterhalb der Durchgriffsöffnungen der Saum der Vorderwand mit der anliegenden Vorderwand und/oder der Saum der Rückwand mit der Rückwand an den Verbindungsstellen thermoplastisch kontaktverschweißt sind. Demgemäß liegen entsprechende Verbindungsstellen, wenn die erfindungsgemäßen Taschen in üblicher Weise für den Transport von Waren eingesetzt werden, unterhalb der Anbindungsstellen von erstem bzw. zweitem Tragegriff vor. In üblicher Weise wird eine Schlaufentasche dann eingesetzt, wenn sie an den Trageschlaufen gehalten wird und darin befindliche, zu transportierende Güter der Tasche schwerkraftgetrieben gegen den Boden ziehen. Vorzugsweise überlappen die Anbindungsstellen der Trageschlaufen nicht mit den Verbindungsstellen der erfindungsgemäßen Taschen. Demgemäß liegen die ersten, zweiten und/oder dritten Verbindungsstellen typischerweise in longitudinaler Ausrichtung der Tragetasche, dass heißt vom Öffnungsrand zum bodenseitigen Rand betrachtet, zwischen den Anbindungsbereichen bzw. Anbindungsstellen und dem unteren Rand des Saumens vor.A particularly high degree of wearability arises according to the invention when, viewed in the direction from the opening edge to the bottom edge, below or beyond at least one attachment point, in particular all attachment points, or below the access openings of the hem of the front wall with the adjacent front wall and / or the seam of the rear wall are thermoplastically contact welded to the rear wall at the connection points. Accordingly, if the bags according to the invention are used in the usual way for the transport of goods, corresponding connection points are present below the attachment points of the first or second carrying handle. In the usual way, a loop pocket is then used when it is held on the carrying straps and therein located, to be transported goods of the bag gravity-driven pull against the ground. Preferably, the attachment points of the carrying straps do not overlap with the connection points of the pockets according to the invention. Accordingly, the first, second, and / or third junctions are typically in longitudinal orientation of the carrier bag, that is, as viewed from the opening edge to the bottom edge, between the tethers and the bottom edge of the welt.
Die Taschen verfügen ferner über mindestens eine, insbesondere durchgängige, thermoplastische Schweißnaht zwischen dem Saum der Vorderwand und der Vorderwand und/oder zwischen dem Saum der Rückwand und der Rückwand und gegebenenfalls zwischen dem Saum von erster und zweiter Seitenwand und erster bzw. zweiter Seitenwand, die sich entlang des und beabstandet von dem Öffnungsrand von Vorderwand und/oder Rückwand und gegebenenfalls von erster und/oder zweiter Seitenwand, insbesondere parallel, sowie, betrachtet in Richtung von dem Öffnungsrand zu dem bodenseitigen Rand, diesseits der ersten und zweiten Anbindungsstellen von erster und/oder zweiter Trageschlaufe der Schlaufentasche bzw. diesseits von mindestens einen insbesondere sämtliche Durchgriffsöffnungen der Grifflochtragetasche, das heißt oberhalb der Durchgriffsöffnungen, wenn die erfindungsgemäße Tasche in üblicher Weise für den Transport von Waren eingesetzt wird, erstreckt. Demgemäß liegt die Schweißnaht typischerweise zwischen dem oberen Rand der Tragetasche und der Durchgriffsöffnung vor. Besonders bevorzugt erstreckt sich diese thermoplastische Schweißnaht, insbesondere vollumfänglich, entlang und beabstandet von dem Öffnungsrand von Vorder- und Rückwand. In einer Ausführungsform erstreckt sich die Schweißnaht vorzugsweise über im wesentlichen die gesamte Breite von Vorder- und Rückwand. Hierbei wird der Verlauf der Schweißnaht in der Weise eingestellt, daß bei gattungsgemäßer Verwendung der erfindungsgemäßen Taschen diese Schweißnaht oberhalb bzw. in Richtung des Öffnungsrandes diesseits der Durchgriffsöffnungen von Vorder- und/oder Rückwand bzw. diesseits der ersten und zweiten Anbindungsstellen, d.h. zwischen erster und zweiter Anbindungsstelle und der Kante des Öffnungsrandes von der Vorderwand bzw. der Rückwand verläuft. Die vorangehend beschriebene Schweißnaht dient im allgemeinen der besseren Handhabung der Tasche, indem sie den Saum an die Vorderwand bzw. Rückwand anheftet, wodurch ein Umklappen des Saums, insbesondere auch während des Herstellprozesses der erfindungsgemäßen Taschen, vermieden wird. Diese Schweißnaht wird regelmäßig durch Behandlung der Kunststoffbahnen von Vorder- bzw. Rückwand mit Heißluft erhalten, kann aber auch in einer weiteren Ausführungsform eine mittels Kontaktschweißens erhaltene Schweißnaht umfassen.The pockets further have at least one, in particular continuous, thermoplastic weld between the seam of the front wall and the front wall and / or between the seam of the rear wall and the rear wall and optionally between the seam of the first and second side wall and first and second side wall, the extending along and spaced from the opening edge of the front wall and / or rear wall and optionally of the first and / or second side wall, in particular parallel, and, viewed in the direction from the opening edge to the bottom edge, on either side of the first and second connection points of the first and / or second or second loop of the loop bag or on this side of at least one particular all access openings of the handle hole carrying bag, that is above the access openings, when the bag according to the invention is used in the usual way for the transport of goods extends. Accordingly, the weld is typically present between the upper edge of the carrier bag and the access opening. Particularly preferably, this thermoplastic weld extends, in particular fully, along and spaced from the opening edge of the front and rear walls. In one embodiment, the weld preferably extends over substantially the entire width of the front and rear walls. Here, the course of the weld is adjusted in such a way that with generic use of the invention pockets this weld above or in the direction of the opening edge on this side of the through openings of the front and / or rear wall or this side of the first and second attachment points, ie between the first and second attachment point and the edge of the opening edge of the front wall and the rear wall extends. The weld described above generally serves to better handle the bag by attaching the seam to the front wall or rear wall, thereby avoiding folding over of the seam, especially during the manufacturing process of the pockets according to the invention. This weld is made regularly by treating the plastic sheets obtained from the front or rear wall with hot air, but may also comprise in another embodiment, a weld obtained by contact welding.
Im Hinblick auf eine hohe Tragefestigkeit haben sich solche Schlaufentaschen als besonders vorteilhaft erwiesen, bei denen die ersten und/oder zweiten Anbindungsbereiche von erster und/oder zweiter Trageschlaufe jeweils über mindestens eine, insbesondere mindestens zwei oder drei, Anbindungsstellen mit dem Saum und gegebenenfalls der an dem Saum anliegenden Vorder- und/oder Rückwand verklebt oder insbesondere thermoplastisch verschweißt sind.With regard to a high wearing strength, such loop pockets have proved to be particularly advantageous, in which the first and / or second attachment regions of the first and / or second strap each have at least one, in particular at least two or three attachment sites with the seam and optionally at bonded to the hem front and / or rear wall or in particular are welded thermoplastic.
Um den Effekt einer hohen Tragefestigkeit mit den erfindungsgemäßen Schlaufentaschen zu erreichen, reicht es regelmäßig bereits aus, wenn die Querausdehnung der ersten und/oder zweiten Verbindungsstellen des Saums mit der Vorder- bzw. Rückwand zwischen erstem und zweitem Seitenrand unterhalb der ersten und/oder zweiten Anbindungsstelle von Vorder- und/oder Rückwand mindestens die halbe Breite, insbesondere mindestens die einfache oder doppelte Breite, der jeweils benachbarten ersten bzw. zweiten Anbindungsstelle aufweisen. Dabei sind auch solche Ausführungsformen geeignet, bei denen die Breite der Verbindungsstellen im wesentlichen der Breite der ersten bzw. zweiten Anbindungsstelle entspricht oder schmaler als diese ist. Die Breite der Verbindungsstellen des Saums mit der Vorder- bzw. Rückwand stellt hierbei die Ausdehnung in Richtung von erstem zum zweiten Seitenrand von Vorder- bzw. Rückwand dar. Diese Querausdehnung verläuft im allgemeinen im wesentlichen parallel zum oberen Öffnungsrand.In order to achieve the effect of a high degree of wearability with the loop pockets according to the invention, it is regularly sufficient if the transverse extent of the first and / or second connection points of the seam to the front or rear wall between the first and second side edge below the first and / or second Connection point of the front and / or rear wall at least half the width, in particular at least the single or double width of each adjacent first or second attachment point. In this case, such embodiments are suitable in which the width of the connection points substantially equal to the width of the first or second connection point or narrower than this. The width of the joints of the seam with the front and rear walls in this case represents the extension in the direction of the first to the second side edge of the front or rear wall. This transverse extent is generally parallel to the upper edge of the opening.
Des weiteren haben sich solche Ausführungsformen erfindungsgemäßer Schlaufentragetaschen als vorteilhaft erwiesen, bei denen zwischen den ersten und zweiten Verbindungsstellen der Saum der Vorderwand mit der Vorderwand und/oder der Saum der Rückwand mit der Rückwand entlang mindestens einer vierten Verbindungsstelle zumindest bereichsweise verklebt und/oder thermoplastisch verschweißt ist bzw. sind.Furthermore, such embodiments of inventive loop carrying bags have proven to be advantageous in which bonded between the first and second joints of the front wall with the front wall and / or the hem of the rear wall with the rear wall along at least a fourth joint at least partially glued and / or thermoplastically welded is or are.
Dabei kann des weiteren erfindungsgemäß vorgesehen sein, daß zwischen dem ersten Seitenrand und der ersten Verbindungsstelle und/oder zwischen der zweiten Verbindungsstelle und dem zweiten Seitenrand der Saum der Vorderwand mit der Vorderwand und/oder der Saum der Rückwand mit der Rückwand entlang mindestens einer fünften bzw. sechsten Verbindungsstelle zumindest bereichsweise verklebt und/oder thermoplastisch verschweißt ist bzw. sind.It can further be provided according to the invention that between the first side edge and the first connection point and / or between the second connection point and the second side edge of the hem of the front wall with the front wall and / or the hem of the rear wall with the rear wall along at least one fifth or 6, at least partially glued and / or thermoplastically welded or are.
Von besonderen. Vorteil sind auch solche erfindungsgemäßen Taschen, bei denen die Verbindungsstellen des Saums der Vorderwand und/oder die Verbindungsstellen des Saums der Rückwand eine im wesentlichen kontinuierliche Verbindungsstelle, z.B. in Form einer Verbindungsnaht, bilden. Selbstverständlich sind auch solche Varianten im Sinne der vorliegenden Erfindung, bei denen die Verbindungsstelle einfach oder mehrfach unterbrochen ist, beispielsweise eine Abfolge von aufeinander folgenden separaten Verbindungsstellensegmenten umfaßt, solange Verbindungsstellen auch unterhalb der Anbindungsstellen vorliegen.Of special. Advantageous are also pockets according to the invention in which the joints of the seam of the front wall and / or the joints of the seam of the back wall have a substantially continuous joint, e.g. in the form of a connecting seam. Of course, such variants in the context of the present invention, in which the connection point is interrupted once or several times, for example, comprises a sequence of successive separate connection point segments, as long as connection points are also present below the connection points.
Dabei kann überdies vorgesehen sein, daß die kontinuierliche Verbindungsstelle sich von dem ersten Seitenrand zu dem zweiten Seitenrand von Vorder- und/oder Rückwand erstreckt.It can also be provided that the continuous connection point extends from the first side edge to the second side edge of the front and / or rear wall.
Ganz besonders bevorzugt kommen solche erfindungsgemäßen Taschen in Betracht, bei denen sämtliche Verbindungsstellen eine thermoplastische Kontaktschweißnaht darstellen.Very particular preference is given to pockets according to the invention in which all connecting points represent a thermoplastic contact weld.
Alternativ kann auch vorgesehen sein, daß sämtliche Verbindungsstellen mittels Verklebens von Saum und Vorderwand und/oder von Saum und Rückwand mit einem Hotmelt-Kleber oder mit doppelseitigem Klebeband erhalten werden.Alternatively, it can also be provided that all joints are obtained by gluing the seam and front wall and / or hem and back wall with a hot melt adhesive or with double-sided adhesive tape.
Besonders gute Resultate hinsichtlich der Tragefestigkeit stellen sich insbesondere auch dadurch ein, daß die durchschnittliche Ausdehnung mindestens einer, insbesondere sämtlicher, Verbindungsstellen, betrachtet in Richtung von dem Öffnungsrand zu dem bodenseitigen Rand von Vorderwand oder Rückwand, im Bereich von 2 bis 20 mm, vorzugsweise von 3 bis 15 mm und besonders bevorzugt von 4 bis 10 mm liegt.In particular, particularly good results with regard to the wear resistance are achieved in that the average extent of at least one, in particular all, joints, viewed in the direction from the opening edge to the bottom edge of the front wall or back wall, in the range of 2 to 20 mm, preferably 3 to 15 mm and more preferably from 4 to 10 mm.
Bei besonders bevorzugten Ausführungsformen liegt der Saum der Vorderwand auf der Innenseite der Vorderwand und/oder der Saum der Rückwand auf der Innenseite der Rückwand und gegebenenfalls der Saum von erster und/oder zweiter Seitenwand auf der Innenseite der ersten und zweiten Seitenwände vor. Dabei zeichnet sich eine besonders zweckmäßige Ausgestaltung der erfindungsgemäßen Schlaufentasche dadurch aus, daß der Saum der Vorderwand einstückig mit dieser verbunden ist und/oder der Saum der Rückwand einstückig mit dieser verbunden ist und daß gegebenenfalls der Saum der ersten und zweiten Seitenwände jeweils einstückig mit diesen verbunden sind.In particularly preferred embodiments, the seam of the front wall on the inside of the front wall and / or the seam of the rear wall on the inside of the rear wall and optionally the seam of the first and / or second sidewall on the inside of the first and second sidewalls. In this case, a particularly advantageous embodiment of the loop bag according to the invention is characterized in that the seam of the front wall is integrally connected thereto and / or the seam of the rear wall is integrally connected thereto and that optionally the seam of the first and second side walls each integrally connected thereto are.
Überraschend gute Tragefestigkeiten stellen sich auch dann ein, wenn die erste und/oder zweite Anbindungsstelle eine V- oder U-förmige Grundform umfassen. Hierbei sind solche Ausführungsformen von besonderem Vorteil, bei denen der Scheitel der V- oder U-förmigen Anbindungsstelle dem oberen Öffnungsrand, dem bodenseitigen Rand oder dem ersten oder zweiten Seitenrand von Vorderwand bzw. Rückwand zugewandt ist. Grundsätzlich kann die V- oder U-Form der Anbindungsstelle auch beliebig angeordnet sein.Surprisingly good wear-resistance also arise when the first and / or second attachment point comprise a V-shaped or U-shaped basic shape. In this case, those embodiments are of particular advantage in which the apex of the V- or U-shaped attachment point faces the upper opening edge, the bottom edge or the first or second side edge of the front wall or rear wall. In principle, the V- or U-shape of the connection point can also be arranged as desired.
Als ganz besonders vorteilhaft haben sich solche erfindungsgemäßen Schlaufentaschen erwiesen, bei denen die ersten und zweiten Anbindungsstellen von Vorder- und/oder Rückwand keine Überlappung mit den ersten bzw. zweiten Verbindungsstellen aufweisen.Such loop pockets according to the invention have proved to be particularly advantageous in which the first and second attachment points of the front and / or rear wall have no overlap with the first or second connection points.
Dabei kann vorgesehen sein, daß die erste und/oder zweite Anbindungsstelle z.B. quadratisch rechteckig, kreis-, halbkreis- oder ovalförmig ausgebildet sind oder eine andere beliebige geometrische Form annehmen.It can be provided that the first and / or second attachment point e.g. square rectangular, circular, semi-circular or oval-shaped or assume any other geometric shape.
Für die Vorderwand, die Rückwand und gegebenenfalls die ersten und zweiten Seitenwände sowie die zugehörigen Säume kann auf jedwede herkömmliche thermoplastische Polymermaterialien zurückgegriffen werden. Exemplarisch seien genannt Polyester, z.B. Polybutylenterephthalate und Polyethylenterephthalate, Polyamide, Polystyrol, Styrol-(co)-polymere wie ABS, SAN und ASA, und Polyolefine. Besonders bevorzugt sind die Vorderwand, die Rückwand und gegebenenfalls die ersten und zweiten Seitenwände sowie die zugehörigen Säume aus Polypropylen und/oder Polyethylen oder deren Copolymeren gefertigt.For the front wall, the rear wall and optionally the first and second side walls and the associated seams, any conventional thermoplastic polymer materials can be used. By way of example, polyesters, e.g. Polybutylene terephthalates and polyethylene terephthalates, polyamides, polystyrene, styrene (co) polymers such as ABS, SAN and ASA, and polyolefins. Particularly preferably, the front wall, the rear wall and optionally the first and second side walls and the associated hems are made of polypropylene and / or polyethylene or copolymers thereof.
Die ersten und zweiten Tragegriffe sind vorzugsweise ebenfalls aus den vorgenannten thermoplastischen Polymeren gebildet. Besonders bevorzugt sind die ersten und zweiten Tragegriffe aus Polyolefinen, insbesondere Polypropylen und/oder Polyethylen oder deren Copolymere, oder aus Polyestern, insbesondere PET, gefertigt.The first and second carrying handles are also preferably formed from the aforementioned thermoplastic polymers. The first and second carrying handles are particularly preferably made of polyolefins, in particular polypropylene and / or polyethylene or copolymers thereof, or of polyesters, in particular PET.
Von besonderem Vorteil ist hierbei, wenn die Vorderwand, der Saum der Vorderwand und die erste Trageschlaufe und/oder die Rückwand, der Saum der Rückwand und die zweite Trageschlaufe jeweils aus dem gleichen thermoplastischen Material gefertigt sind, beispielsweise Polypropylen oder Polyethylen.Of particular advantage here is when the front wall, the hem of the front wall and the first strap and / or the rear wall, the seam of the rear wall and the second strap are each made of the same thermoplastic material, such as polypropylene or polyethylene.
Der vorliegenden Erfindung liegt die überraschende Erkenntnis zugrunde, daß sich mit den erfindungsgemäßen Tragetaschen besonders gute Tragefestigkeitswerte erhalten lassen. Die erfindungsgemäßen Taschen lassen eine sehr hohe Beladung zu, ohne daß damit die Gefahr des Einreißens des Haltegriffs, der Durchgriffsöffnung oder der Tasche insgesamt einhergeht. Tragfestigkeitsversuche haben ergeben, daß ein Einreißen der erfindungsgemäßen Schlaufentasche an den Anbindungsstellen der Tragegriffe an den Taschenkörper nicht beobachtet wird.The present invention is based on the surprising finding that particularly good load-bearing strength values can be obtained with the carrier bags according to the invention. The bags according to the invention allow for a very high loading, without the risk of tearing the handle, the access opening or the bag is accompanied altogether. Load-bearing tests have shown that a tearing of the loop pocket according to the invention at the attachment sites of the carrying handles on the bag body is not observed.
Weitere Vorteile, Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispiels in Verbindung mit den anliegenden Zeichnungen. In diesen Zeichnungen zeigen
Figur 1- eine schematische Draufsicht auf die Innenseite der Vorderwand einer erfin- dungsgemäßen Schlaufentasche;
Figur 2- einen vergrößerten Ausschnitt im Bereich der Anbindungsstelle der Schlaufen- tasche gemäß
Figur 1 , - Figur 3
- eine alternative Ausführungsform einer Anbindungsstelle einer erfindungsge- mäßen Schlaufentasche,
Figur 4- eine alternative Ausführungsform einer erfindungsgemäßen Schlaufentasche und
- Figur 5
- eine schematische Draufsicht auf die Innenseite der Vorderwand einer Grifflochtasche.
- FIG. 1
- a schematic plan view of the inside of the front wall of a loop bag according to the invention;
- FIG. 2
- an enlarged section in the region of the connection point of the loop pocket according to
FIG. 1 . - FIG. 3
- an alternative embodiment of a connection point of a loop bag according to the invention,
- FIG. 4
- an alternative embodiment of a loop pocket according to the invention and
- FIG. 5
- a schematic plan view of the inside of the front wall of a handle hole pocket.
Der Darstellung einer Ausführungsform einer erfindungsgemäßen Schlaufentasche 1 gemäß
Innenseitig verfügt die abgebildete Vorderwand 2 im Bereich des Öffnungsrandes 8 über einen Saum 6, welcher vorzugsweise im Herstellungsprozeß des Taschenkörpers durch Umklappen des oberen Randes der Vorderwandmaterialbahn auf deren Innenseite erhalten wird. Der Saum 6 und die Vorderwand 2 sind demgemäß bei der in
Da die ersten und zweiten Anbindungsstellen der ersten und zweiten Anbindungsbereiche 18 und 20 des ersten Tragegriffs 4 innenseitig vorliegen, findet eine Verschweißung an den Anbindungsstellen zunächst mit dem Saum 6 statt. In der dargestellten Ausführungsform wird der erste Tragegriff 4 im Bereich der ersten und zweiten Anbindungsbereiche 18, 20 darüber hinaus ebenfalls mit der an dem Saum 6 anliegenden Vorderwand 2 verschweißt. Die ersten und zweiten Anbindungsstellen 22 und 24 sind in der dargestellten Ausführungsform vorzugsweise V-förmig gestaltet, wobei die Öffnung der V-förmigen Anbindung vorzugsweise in Richtung des bodenseitigen Randes 10 weist.Since the first and second connection points of the first and
Die erfindungsgemäße Schlaufentasche gemäß
Zur besseren Veranschaulichung der vorangehend geschilderten Befestigung des ersten Tragegriffs 4 sowie des Saums 6 ist das in
Die vorteilhafte Ausgestaltung gemäß den
Bei den in den
Die in der vorstehenden Beschreibung, in den Zeichnungen offenbarten Merkmale dienen der Erleüterung der Erfindung, deren Schukbereich durch die Ansprüche festgelegt ist.The features disclosed in the foregoing description and in the drawings serve to teach the invention, the scope of which is defined by the claims.
- 11
- Schlaufentaschestrap bag
- 1'1'
- GrifflochtragetascheHandle hole carrying case
- 22
- Vorderwandfront wall
- 44
- erster Tragegrifffirst carrying handle
- 66
- Saumhem
- 88th
- Öffnungsrandopening edge
- 1010
- bodenseitiger Randbottom edge
- 1212
- erster Seitenrand der Vorderwandfirst margin of the front wall
- 1414
- zweiter Seitenrand der Vorderwandsecond margin of the front wall
- 1616
- Taschenkörperbag body
- 1818
- erster Anbindungsbereich des ersten Tragegriffsfirst connection area of the first carrying handle
- 2020
- zweiter Anbindungsbereich des ersten Tragegriffssecond connection area of the first carrying handle
- 22a22a
- Anbindungsstelleconnecting point
- 22b22b
- Anbindungsstelleconnecting point
- 24a24a
- Anbindungsstelleconnecting point
- 24b24b
- Anbindungsstelleconnecting point
- 2626
- SchweißnahtWeld
- 2828
- Verbindungsstellejunction
- 3030
- Verbindungsstellejunction
- 3434
- zusätzliche Schweißstelleadditional weld
- 3636
- zusätzliche Schweißstelleadditional weld
- 3838
- kontinuierlich durchgehende Verbindungsstellecontinuously continuous connection point
- 4040
- Grifflochhandle hole
- 4242
- dritte Verbindungsstellethird connection point
Claims (21)
- Loop handle bag (1), comprising
an essentially thermoplastic bag body (16) having a front wall (2), a back wall and, as the case may be, a first and a second side wall that connect the front wall and the back wall to each other at least in sections along the first and second side edges (12, 14) of the front wall and the back wall, wherein the front wall (2), the back wall and,
as the case may be, the first and second side walls have an opening edge (8) and an opposite bottom edge (10) and have an essentially thermoplastic hem (6) at least in sections of their inner or outer surfaces in the region of the opening edge (8), and
a first carrying handle (4) for the front wall (2) and a second carrying handle for the back wall, each carrying handle having a first and a second connecting region (18, 20), wherein the first connecting region (18) and the second connecting region (20) of the first carrying handle (4) are conglutinated with or thermoplastically welded to - at a first joint (22) and at a second joint (24), respectively - the hem (6) of the front wall (2) and, as the case may be, the front wall (2), said joints being spaced apart, and
wherein the first connecting region and the second connecting region of the second carrying handle are conglutinated with or thermoplastically welded to - at a first joint and at a second joint, respectively - the hem of the back wall and, as the case may be, the back wall, said joints being spaced apart,
characterized in that
the hem (6) of the front wall (2) is - viewed from the opening edge (8) towards the bottom edge (10) - conglutinated with or thermoplastically welded to the adjacent front wall (2) of the bag body (16) at least in sections on the other side of or below - if used for the transportation of goods in the usual manner - at least the first joint (22) and/or the second joint (24) along a first joint (28) and a second joint (30), respectively, said conglutination being realized by means of a hot-melt glue or a double-sided adhesive tape and said thermoplastic welding being realized by means of a thermoplastic contact weld seam, and that the hem of the back wall is - viewed from the opening edge (8) towards the bottom edge (10) - conglutinated with or thermoplastically welded to the adjacent back wall of the bag body (16) at least in sections on the other side of or below - if used for the transportation of goods in the usual manner - at least the first joint (22) and/or the second joint (24) along a first joint (28) and a second joint (30), respectively, said conglutination being realized by means of a hot-melt glue or a double-sided adhesive tape and said thermoplastic welding being realized by means of a thermoplastic contact weld seam,
and that the loop handle bag (1) has at least one thermoplastic weld seam (26) each between the hem (6) of the front wall (2) and the front wall (2) and between the hem of the back wall and the back wall and, as the case may be between the hem of the first side wall and the first side wall and between the hem of the second side wall and the second side wall that extend along the and are spaced apart from the opening edge (8) of the front wall (2) and the opening edge (8) of the back wall and, as the case may be, the opening edge (8) of the first and/or second side wall as well as extend - viewed from the opening edge (8) towards the bottom edge (10) - on the nearer side of the first joint (22) and the second joint (24) of the first carrying handle and the second carrying handle, respectively. - Bag (1) according to claim 1, characterized in that each of the first and second connecting regions (18, 20) of the first and the second carrying handle (4) is conglutinated with and/or thermoplastically welded to the hem (6) and, as the case may be, the front wall (2) adjacent to the hem (6) and the back wall adjacent to the hem (6), said conglutination and said thermoplastic welding being realized at at least one, at least two or at least three joints (22a, 22b; 24a, 24b).
- Bag (1) according to claim 1 or 2, characterized in that the cross dimensions of the first and/or the second joint (28, 30) connecting the hem (6) to the front wall (2) and to the back wall, respectively, between the first and the second side edge (12, 14) below the first and/or the second joint (22, 24) of the front wall and/or the back wall correspond to at least half the width or at least to the width or double the width of the adjacent first joint (22) and the adjacent second joint (24), respectively.
- Bag (1) according to any one of the preceding claims, characterized in that between the first and second joints (28, 30), along at least a fourth joint, the hem (6) of the front wall (2) is, at least in sections, conglutinated with and/or thermoplastically welded to the front wall and the hem of the back wall is, at least in sections, conglutinated with and/or thermoplastically welded to the back wall, said conglutinations being realized by means of a hot-melt glue or a double-sided adhesive tape and said thermoplastic welding operations being realized by means of thermoplastic contact weld seams.
- Bag (1) according to any one of the preceding claims, characterized in that between the first side edge (12) and the first joint (28) and between the second joint (30) and the second side edge (14), the hem (6) of the front wall (2) is, at least in sections, conglutinated with and/or thermoplastically welded to the front wall (2) and
the hem of the back wall is, at least in sections, conglutinated with and/or thermoplastically welded to the back wall along at least a fifth joint and a sixth joint, respectively, said conglutinations being realized by means of a hot-melt glue or a double-sided adhesive tape and said thermoplastic welding operations being realized by means of thermoplastic contact weld seams. - Bag (1) according to any one of the preceding claims, characterized in that the joints (28, 30) of the hem (6) of the front wall (2) and/or the joints of the hem of the back wall form an essentially continuous joint (38).
- Bag (1) according to claim 6, characterized in that the continuous joint (38) extends from the first side edge (12) to the second side edge (14) of the front wall and/or of the back wall.
- Bag (1) according to any one of the preceding claims, characterized in that all joints (28, 30, 38, 42) represent a thermoplastic contact weld seam.
- Bag (1) according to any one of claims 1 to 7, characterized in that all joints have been obtained by conglutinating the hem (6) with the front wall (2) and/or conglutinating the hem with the back wall using a hot-melt glue or a double-sided adhesive tape.
- Bag (1) according to any one of the preceding claims, characterized in that the average dimension of at least one or of all joints (28, 30, 38, 42) is - viewed from the opening edge (8) towards the bottom edge (10) of the front wall (2) or of the back wall - in the range from 2 to 20 mm or in the range from 3 to 15 mm or in the range from 4 to 10 mm.
- Bag (1) according to any one of the preceding claims, characterized in that the hem (6) of the front wall (2) is present on the inner surface of the front wall (2) and/or the hem of the back wall is present on the inner surface of the back wall and, as the case may be, the hem of the first and/or the second side wall is present on the inner surface of the first and second side walls.
- Bag (1) according to any one of the preceding claims, characterized in that the hem (6) of the front wall (2) forms a single piece with the front wall (2) and/or the hem of the back wall forms a single piece with the back wall and that, as the case may be, the hem of the first side wall forms a single piece with the first side wall and the hem of the second side wall forms a single piece with the second side wall.
- Bag (1) according to any one of the preceding claims, characterized in that the first and/or the second joint (22a, 22b; 24a, 24b) comprise a V-shaped or U-shaped basic shape.
- Bag (1) according to claim 13, characterized in that the vertex of the V-shaped or U-shaped joint (22a, 22b; 24a, 24b) faces the upper opening edge (8), the bottom edge (10) or the first or the second side edge (12, 14) of the front wall and the back wall, respectively.
- Bag (1) according to any one of the preceding claims, characterized in that the first and second joints (22a, 22b; 24a, 24b) of the front wall and/or the back wall do not overlap the first and second joints (28, 30), respectively.
- Bag (1) according to any one of the preceding claims, characterized in that the first and/or the second joint (22, 24) is square, rectangular, circular, semicircular or oval.
- Bag (1) according to any one of the preceding claims, characterized in that the front wall (2), the back wall, the hem (6) of the front wall (2) and the hem of the back wall as well as, as the case may be, the first and second side walls are made of polyolefins or polyesters or comprise these materials.
- Bag (1) according to any one of the preceding claims, characterized in that the first and second carrying handles are made of polyolefins or polyesters.
- Bag (1) according to any one of the preceding claims, characterized in that the front wall (2), the hem (6) of the front wall (2) and the first carrying handle and/or the back wall, the hem of the back wall and the second carrying handle are each made of the same thermoplastic material.
- Bag (1) according to any one of the preceding claims, characterized in that the thermoplastic weld seam (26) does not overlap the joints (22a, 22b, 24a, 24b).
- Bag (1) according to any one of claims 1 to 19, characterized in that the thermoplastic weld seam (26) overlaps the joints (22a, 22b, 24a, 24b).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006059765A DE102006059765A1 (en) | 2006-12-18 | 2006-12-18 | Pockets with hem |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1935799A2 EP1935799A2 (en) | 2008-06-25 |
EP1935799A3 EP1935799A3 (en) | 2008-07-16 |
EP1935799B1 true EP1935799B1 (en) | 2012-02-01 |
EP1935799B8 EP1935799B8 (en) | 2012-04-11 |
Family
ID=39124607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07024304A Not-in-force EP1935799B8 (en) | 2006-12-18 | 2007-12-14 | Bags with hem |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1935799B8 (en) |
AT (1) | ATE543738T1 (en) |
DE (1) | DE102006059765A1 (en) |
DK (1) | DK1935799T3 (en) |
ES (1) | ES2382304T3 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS608044A (en) * | 1983-06-28 | 1985-01-16 | Haruo Suzuki | Fitting method of doubly lapped synthetic resin handle to synthetic resin bag and synthetic resin bag |
DE8801173U1 (en) * | 1988-02-01 | 1988-03-24 | Stiegler GmbH Maschinenfabrik, 7062 Rudersberg | Machine for producing pairs of plastic film carrier bags with handle hole and handle hole reinforcement |
DE4012897A1 (en) * | 1990-02-26 | 1991-08-29 | Windmoeller & Hoelscher | TEXTILE CARRYING BAG OF THERMOPLASTIC PLASTIC AND METHOD FOR THEIR PRODUCTION |
DE4015456A1 (en) * | 1990-05-14 | 1991-11-21 | Windmoeller & Hoelscher | CARRY BAG |
DE29702222U1 (en) * | 1997-02-10 | 1997-04-03 | Heinrich Greve GmbH & Co. KG Maschinen- und Apparatebau, 32312 Lübbecke | Carrying bag made of plastic |
DE19748771B4 (en) * | 1997-11-05 | 2004-03-11 | Lemo Maschinenbau Gmbh | Carrier bag made of thermoplastic and process for its production |
AU7405700A (en) | 2000-01-12 | 2001-07-24 | Johan Philip Trampe | Bag provided with a draw band and a carrying handle |
DE10116920A1 (en) * | 2001-04-05 | 2002-10-24 | Lemo Maschb Gmbh | Plastic film carrier bag has a reinforcement strip attached to each sidewall with a gripping hole visible above the upper bag edge |
-
2006
- 2006-12-18 DE DE102006059765A patent/DE102006059765A1/en not_active Withdrawn
-
2007
- 2007-12-14 EP EP07024304A patent/EP1935799B8/en not_active Not-in-force
- 2007-12-14 DK DK07024304.3T patent/DK1935799T3/en active
- 2007-12-14 AT AT07024304T patent/ATE543738T1/en active
- 2007-12-14 ES ES07024304T patent/ES2382304T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102006059765A1 (en) | 2008-06-26 |
EP1935799A3 (en) | 2008-07-16 |
DK1935799T3 (en) | 2012-05-21 |
EP1935799A2 (en) | 2008-06-25 |
ATE543738T1 (en) | 2012-02-15 |
ES2382304T3 (en) | 2012-06-07 |
EP1935799B8 (en) | 2012-04-11 |
ES2382304T8 (en) | 2014-11-17 |
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