EP0258573A2 - Sac d'emballage portable en feuille de plastique et son procédé de fabrication - Google Patents

Sac d'emballage portable en feuille de plastique et son procédé de fabrication Download PDF

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Publication number
EP0258573A2
EP0258573A2 EP87109744A EP87109744A EP0258573A2 EP 0258573 A2 EP0258573 A2 EP 0258573A2 EP 87109744 A EP87109744 A EP 87109744A EP 87109744 A EP87109744 A EP 87109744A EP 0258573 A2 EP0258573 A2 EP 0258573A2
Authority
EP
European Patent Office
Prior art keywords
handle
parts
packaging bag
lid part
grip strips
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.)
Granted
Application number
EP87109744A
Other languages
German (de)
English (en)
Other versions
EP0258573B1 (fr
EP0258573A3 (en
Inventor
Georg Schwinn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mondi Gronau GmbH
Original Assignee
M and W VERPACKUNGEN
M&W Verpackungen Mildenberger and Willing GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27194682&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0258573(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19863629563 external-priority patent/DE3629563A1/de
Priority claimed from DE19873704846 external-priority patent/DE3704846A1/de
Application filed by M and W VERPACKUNGEN, M&W Verpackungen Mildenberger and Willing GmbH filed Critical M and W VERPACKUNGEN
Priority to AT87109744T priority Critical patent/ATE67460T1/de
Publication of EP0258573A2 publication Critical patent/EP0258573A2/fr
Publication of EP0258573A3 publication Critical patent/EP0258573A3/de
Application granted granted Critical
Publication of EP0258573B1 publication Critical patent/EP0258573B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/10—Handles formed of similar material to that used for the bag

Definitions

  • DE-A 33 21 341 is a carrier bag made of thermoplastic material with a front and a rear, essentially rectangular section and an arranged between the sections, with these One-piece bottom fold and a handle welded to the bottom end are known, the other end of the bag for inserting objects is open therein and the filled bag has approximately the shape of a cuboid, in which the handle is designed as a loop and with a strip at each end is provided, the length of which corresponds to the width of the sections. Each strip is welded to one of the sections near the respective outer boundary of the fold on the outside of the bag.
  • the externally welded molded parts made of plastic film overlap the upper edge of the carrier bag in a width of several centimeters on the outer sides of the front and rear sections forming the bag. Approximately half of these overlaps have a weld seam that connects the handle parts to the actual bag. In this way, an approximately 2 cm wide, frill-like protrusion made of plastic film, lying loosely against the upper area of the front and rear section, seen from the handle, results below this weld seam.
  • the invention is therefore based on the object of specifying a portable packaging bag which is further developed and improved compared to the known carrier bag in that it has no material protrusions on the outside in the area between the actual carrier bag and the attached grip tapes and thus the deficiencies or Imperfections are overcome and eliminated.
  • it should be structurally possible to increase the transverse dimension of the handle if desired.
  • an alternative handle design which is advantageous for some applications, is to be achieved using the structural conditions, namely the two-part handle design.
  • the handle consists of two essentially identical parts, the ends of which are attached to the opposite inner sides of the raised edges of the recess formed by the folded lid part.
  • top, bottom, vertical, head part and the like chosen in the claims and in the following description are based on a filled bag, which is placed in the carrying position and which is usually used individually.
  • the handle ends no longer on the . Outside of the surface parts forming the bag, but on that formed by the folding lid part Trough are sealed, a transition between these parts is surprisingly achieved without any excess material.
  • the front and rear surface part of the bag can be used to hold a print in full, no dirt particles can still nest in the externally visible area.
  • the bag can be pulled out of a stack in all directions without obstacles.
  • the handle opening is relatively small, so that access requires a certain degree of accuracy.
  • the handle when the handle is horizontal, it is unfavorable insofar as it is not possible to grasp the filled carrying bag securely in passing and to take it off the stack or pull it away in one go.
  • the two handle parts are to be regarded as independent elements. They can be completely disconnected, leaving it up to the user to combine the two parts through the handle recesses.
  • the packaging bag can Thus a similar form as inêtstaschen E is known to receive.
  • the handle recess can be designed differently. It is also possible to manufacture the handle parts from a relatively stiff plastic material, so that they spring upwards practically in the unloaded state and their use lends itself to itself.
  • the separate execution of the two handle parts is particularly favorable because the two handle parts are manufactured separately in the course of manufacture and can only be joined together shortly before delivery or after filling.
  • the separate production or the easy detachability of the two handle parts from one another has the particular advantage that a tearable line of weakness, which runs parallel to the longitudinal edges in the middle of the folded lid, tears open by pulling the handle parts in the opposite direction and releases the inside of the bag. It also has the advantage that the top of the folded lid part is more accessible.
  • This advantage is further exploited in accordance with the invention in that a folding lid part is provided with a pull-out tongue which is surrounded by a perforation or another line of weakness or which is glued to the folding lid part so that there is an opening underneath which is in turn made accessible by tearing open the pull-out tongue .
  • the aim of the aforementioned measures is therefore to facilitate opening and making the bag accessible without reducing the wearing comfort.
  • An advantageous embodiment of the method provides, as a further process step before the film web is cut to length, that the two grip strips are welded at their outer edges and that, if necessary, grip recesses and the recesses to form the screen contours are punched out on the grip strips.
  • Double-layer film material is advantageously used for the main parts of the bag, the outside having a thin-film film which is particularly suitable for applying a color print as the outside film and the inside having a film quality with comparatively very good welding and strength properties.
  • FIG. 1 A portable, filled packaging bag 1 made of plastic film is shown in FIG. 1, the bag 1 has a cuboid shape, this shape can also be given a more or less pronounced cushion shape by bulges, curves and the like, which is essentially determined by its content.
  • the bag 1 has a rectangular front and rear surface part 9 or 10, which are connected by side parts 42, 43. Vertical seams 20, 21 run through the side parts 42, 43, a tube shape being formed by heat sealing, adhesive bonding or similar known types of connection. Furthermore, the parts 9, 10, 42, 43 are integrally connected to one another by a folding lid part 4 at the upper head region. At the lower, initially open filling end 34, the bag 1 is closed by a transverse adhesive or weld seam 35 after machine filling, as is known per se.
  • the folded lid part 4 is provided with raised edges 7, 8 and forms a recess 4 'which is lower by a small part of the total height of the packaging bag.
  • a handle 2 which acts as a U-bracket, extends over the folded lid part 4 . is trained.
  • the two ends 3 and 3 'of the handle 2 are along in the head region of the bag 1 the upper, raised edges 8 of the surface parts 9, 10 on their opposite sides, ie on the raised edges of the trough 4 'formed by the folding lid part 4, attached.
  • Each of the two surface parts 9 and 10 has an inside handle end 3, 3 'with a handle recess 13, which is attached on the inside and is connected to a sealing seam 11, 12.
  • the handle 2 consists of two identical handle parts 14, 15, which at their outer edges parallel to the axis x - x of the handle recess 13, i. H. in the apex of the U, are firmly connected to each other to form a bracket along a seam 16.
  • the handle ends 3, 3 ' are welded to the cover part 4, namely on its inner sides 5, 6 in the region of the upper edges 8, which are formed between a respective surface part 9, 10 and the folded-in folded cover part 4, by means of heat-sealed seams 11, 12 . Accordingly, they are not on the outside of the side parts 9. 10, but on the inside of the upper area of the folding lid part 4 and thus opposite on the trough 4 'formed by the folding lid 4. This results in the region of the raised edges 8 on the transverse sides of the bag 1, a smooth transition from the surface parts 9, 10 to the handle 2 without excess material.
  • the surface parts 38, 39 of the handle parts 14, 15 projecting outward from the handle recess 13 on both sides, each with a preferably arcuate recess 18, 19 in the direction of the vertical edges of the surface parts 9, 10 into narrow tongues 22, 23 discontinued.
  • the part 4 is provided with a tearable weakening line 25 running along the central inner fold 24 or in other areas.
  • This can preferably be formed by a perforation.
  • the Seam 16 can also be designed as a peel-gluing area.
  • the two handle parts can thus be detached from one another. Due to the detachability of the two handle parts 3 and 3 ', they can be gripped and pulled apart in the opposite direction. This pulling apart exerts a pull on the weakening line 25, which tears it and thus makes the inside of the bag easily accessible.
  • the handle consists of two substantially equal handle portions 3, 3 ', the two overlapping G in the apex of the U riffteillappen 50, forming 51st
  • the handle part lobes 50, 51 are connected to one another in an overlapping manner, a peel adhesive area in the form of a strip being inserted between the outer edges of the handle part lobes.
  • the adhesive area extends over the entire length of the handle 2. Peel adhesive strips, peel foils and similar easily detachable plastic surface combinations are known per se. The person skilled in the art can specify various solutions here which enable the two handle parts or handle part tabs 50, 51 to be easily removed.
  • Foil can also be underlaid with a protective strip, so that the two handle flaps 50, 51 are initially simply placed on one another without gluing and are glued together only when the customer removes them.
  • the adhesive strip is also designed so that frequent reclosing and reconnection of the two handle parts 3, 3 is possible.
  • the adhesive areas can be provided as single or multiple strips in corrugated or dotted form.
  • the term "adhesive area" is intended to cover all possible embodiments.
  • the surface parts 38, 39 of the handle parts 3, 3 'projecting outward from the handle recess 13 on both sides run with an arcuate extension 18, 19 in the direction of the vertical edges of the surface parts 9, 10 in narrow tongues 22, 23.
  • Figure 2 shows the upper part of a carrier bag with another embodiment of the handle area.
  • the two handle parts 14, 15 are not connected to each other, but stand up like a handle on a shopping bag. To carry the bag, the two handle parts 14, 15 are pulled against one another and gripped together by the handle recesses 13.
  • This embodiment can also be easily produced using the process described below.
  • This embodiment has the advantage that the top of the folding lid part 4 is easily accessible. This in turn leads to a further embodiment, which is shown in detail in FIG. 3.
  • the folding lid part 4 has incorporated a larger tear-open tongue 61 which can be pulled up in the form of a tab fastened on one side.
  • the contour of the tear-open tongue 61 is surrounded by a line of weakness 62.
  • the tear-open tongue itself can be gripped, for example, by a corresponding punch cut in the area of the apex 63. Since the folding lid part 4 is accessible through practically its entire surface through the two unconnected handle parts 2 ', 3', in contrast to embodiments in which a U-shaped handle is present, tear-open tongues according to FIG. 3 can easily be provided.
  • a tear-open area can also be used. be provided, as is the case with other pack forms, is provided for example for handkerchief boxes.
  • the plastic film web 26 used for the front surface part 9, the folding lid part 4 and the rear surface part 10 is made of a preferably two-layer composite film with a thin film film that is particularly suitable for applying a color print as the outer film and a comparatively good, supporting inner film having sweat and strength properties, e.g. . B. made of a polyethylene film layer.
  • the outer layer can be opaque and, for example, can be provided with a print on its outer surface.
  • the inner layer can be transparent or opalescent and equipped with greater strength than the outer layer of the composite film.
  • handle parts 3, 3 ' are made of a clear, single-layer plastic film of comparatively high tear strength.
  • Figures 4 to 9 show in detail the steps of the manufacturing process and thus show the emergence of the packaging bag designed according to the invention.
  • an “endless” film web 26 is first rolled off a roll (not shown) and pulled over a machine table.
  • two grip strips 36, 37 are laid out and placed parallel to the film web 26 at intervals from their center line y - y, preferably also via separate endless film runs 27, 28. Simultaneously with these first ar the continuous production of the parallel heat seal weld seams 11 and 12 takes place in steps.
  • FIG. 5 shows a view from the narrow side or in section of the position and arrangement of the film web 26 and the grip strips 36, 37 and the weld seams 11 and 12 connecting them together.
  • the film web 26 is folded into the shape of a half-tube with outside grip strips 36, 37, as shown in FIG. 6. This results in a loop 33 in the apex area of the semi-tubular film.
  • the middle part between the side parts 9 and 10 is turned inwards and thus the folded cover part 4 is formed between the grip strips 36, 37.
  • the seams 11, 12 of the grip strips 36, 37 are pressed against the inner sides 5, 6 of the fold 24 in the area of the upper outer fold lines 30, 31 in a tight, folded parallel distance to it.
  • the grip strips 36, 37 come to lie on the inside of the folding cover part 4 approximately in a plane parallel to the two surface parts 9, 10.
  • the vertical weld seams 20, 21 are placed on the vertical edges 40, 41 and the side parts 42, 43, whereby the parts of the film lying on top of one another are connected to form a tube.
  • the two grip strips 36, 37 are connected at their outer edges by a surface sealing seam 16 and the grip recess at the same time or subsequently 13 and the arcuate recesses 18, 19 to form the S eitenkonturen to the handle strip 36 is punched 37, such that the handle 2 is obtained.
  • the processed web is then cut into lengths required for individual packs.
  • the two grip strips 36, 37 can be placed one on top of the other, a peel adhesive area being printed at the seam 16 location before being placed on top of one another.
  • the handle recess 13 and the arcuate recesses 18, 19 are punched out to form the side contours on the handle strips 36, 37, so that the handle parts 3 and 4 result.
  • the processed web is then cut into lengths required for individual packs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Packaging Frangible Articles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
EP87109744A 1986-08-02 1987-07-07 Sac d'emballage portable en feuille de plastique et son procédé de fabrication Expired - Lifetime EP0258573B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87109744T ATE67460T1 (de) 1986-08-02 1987-07-07 Tragbarer verpackungsbeutel aus kunststoffolie und verfahren zu dessen herstellung.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3626303 1986-08-02
DE3626303 1986-08-02
DE3629563 1986-08-30
DE19863629563 DE3629563A1 (de) 1986-08-02 1986-08-30 Tragbarer verpackungsbeutel aus kunststoffolie und verfahren zu dessen herstellung
DE3704846 1987-02-16
DE19873704846 DE3704846A1 (de) 1987-02-16 1987-02-16 Verpackungsbeutel mit zwei griffteilen und verfahren zu dessen herstellung

Publications (3)

Publication Number Publication Date
EP0258573A2 true EP0258573A2 (fr) 1988-03-09
EP0258573A3 EP0258573A3 (en) 1989-03-15
EP0258573B1 EP0258573B1 (fr) 1991-09-18

Family

ID=27194682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87109744A Expired - Lifetime EP0258573B1 (fr) 1986-08-02 1987-07-07 Sac d'emballage portable en feuille de plastique et son procédé de fabrication

Country Status (4)

Country Link
EP (1) EP0258573B1 (fr)
AT (1) ATE67460T1 (fr)
DE (1) DE3773092D1 (fr)
ES (1) ES2025595T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349050A2 (fr) * 1988-06-28 1990-01-03 The Procter & Gamble Company Sac souple remplis d'articles souples comprimés
EP0391460A1 (fr) * 1989-04-04 1990-10-10 The Procter & Gamble Company Sac souple à ouverture facile, contenant des articles flexibles comprimés et procédé et dispositif de fabrication
EP0416194A2 (fr) * 1989-09-05 1991-03-13 Paramount Packaging Corporation Sac à double paroi avec poignée et son procédé de fabrication
EP0425008A1 (fr) * 1989-10-23 1991-05-02 The Procter & Gamble Company Emballage constitué d'un sac en papier emballant de manière compacte des articles comprimés
US5666445A (en) * 1992-02-27 1997-09-09 Conrad; Daniel J. Easy opening flexible plastic bag and a method of making same
EP0728166B2 (fr) † 1993-11-10 2008-09-17 Minnesota Mining And Manufacturing Company Adhesifs autocollants
CN106725637A (zh) * 2017-03-06 2017-05-31 成都五义医疗科技有限公司 一种筒型标本袋及取物器械

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054619A (en) 1989-12-15 1991-10-08 The Procter & Gamble Company Side opening flexible bag with longitudinally oriented carrying handle secured to side panels

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2046635A5 (fr) * 1970-05-14 1971-03-05 Schades Papirindustri Og
US4252269A (en) * 1979-04-02 1981-02-24 Paramount Packaging Plastic bag with carrying handle
DE8224694U1 (de) * 1982-09-01 1983-05-26 Unilever N.V., 3000 Rotterdam Kunststoffbeutel
DE3321341A1 (de) * 1982-06-14 1983-12-15 Paramount Packaging Corp., 18901 Chalfont, Pa. Kunststoffbeutel mit schlaufengriff

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2046635A5 (fr) * 1970-05-14 1971-03-05 Schades Papirindustri Og
US4252269A (en) * 1979-04-02 1981-02-24 Paramount Packaging Plastic bag with carrying handle
DE3321341A1 (de) * 1982-06-14 1983-12-15 Paramount Packaging Corp., 18901 Chalfont, Pa. Kunststoffbeutel mit schlaufengriff
DE8224694U1 (de) * 1982-09-01 1983-05-26 Unilever N.V., 3000 Rotterdam Kunststoffbeutel

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349050A2 (fr) * 1988-06-28 1990-01-03 The Procter & Gamble Company Sac souple remplis d'articles souples comprimés
EP0349050A3 (en) * 1988-06-28 1990-07-25 The Procter & Gamble Company Opening device for flexible bags filled with compressed flexible articles
EP0391460A1 (fr) * 1989-04-04 1990-10-10 The Procter & Gamble Company Sac souple à ouverture facile, contenant des articles flexibles comprimés et procédé et dispositif de fabrication
EP0416194A2 (fr) * 1989-09-05 1991-03-13 Paramount Packaging Corporation Sac à double paroi avec poignée et son procédé de fabrication
EP0416194A3 (en) * 1989-09-05 1991-05-15 Paramount Packaging Corporation Duplex bag having a handle and method of making same
EP0425008A1 (fr) * 1989-10-23 1991-05-02 The Procter & Gamble Company Emballage constitué d'un sac en papier emballant de manière compacte des articles comprimés
TR25616A (tr) * 1989-10-23 1993-07-01 Procter & Gamble Sikistirilmis esnek maddeleri sikica paketleyen bir kagit torbadan olusan paket.
US5666445A (en) * 1992-02-27 1997-09-09 Conrad; Daniel J. Easy opening flexible plastic bag and a method of making same
EP0728166B2 (fr) † 1993-11-10 2008-09-17 Minnesota Mining And Manufacturing Company Adhesifs autocollants
CN106725637A (zh) * 2017-03-06 2017-05-31 成都五义医疗科技有限公司 一种筒型标本袋及取物器械
CN106725637B (zh) * 2017-03-06 2023-05-26 成都五义医疗科技有限公司 一种筒型标本袋及取物器械

Also Published As

Publication number Publication date
EP0258573B1 (fr) 1991-09-18
ES2025595T3 (es) 1992-04-01
ATE67460T1 (de) 1991-10-15
DE3773092D1 (de) 1991-10-24
EP0258573A3 (en) 1989-03-15

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