EP1967459B1 - Sac pour produits horticoles - Google Patents

Sac pour produits horticoles Download PDF

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Publication number
EP1967459B1
EP1967459B1 EP06841734A EP06841734A EP1967459B1 EP 1967459 B1 EP1967459 B1 EP 1967459B1 EP 06841734 A EP06841734 A EP 06841734A EP 06841734 A EP06841734 A EP 06841734A EP 1967459 B1 EP1967459 B1 EP 1967459B1
Authority
EP
European Patent Office
Prior art keywords
bag
fruit
vegetable products
label
appendage
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
Application number
EP06841734A
Other languages
German (de)
English (en)
Other versions
EP1967459A4 (fr
EP1967459A1 (fr
Inventor
Salvador CAÑES PEREZ
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.)
Roda Packing SA
Original Assignee
Roda Packing SA
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
Application filed by Roda Packing SA filed Critical Roda Packing SA
Publication of EP1967459A1 publication Critical patent/EP1967459A1/fr
Publication of EP1967459A4 publication Critical patent/EP1967459A4/fr
Application granted granted Critical
Publication of EP1967459B1 publication Critical patent/EP1967459B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/04—Net-like containers made of plastics material
    • 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
    • B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
    • 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
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1616—Elements constricting the neck of the bag
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44—Individual packages cut from webs or tubes
    • B65D75/46—Individual packages cut from webs or tubes containing articles
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes

Definitions

  • the present invention refers to a bag for fruit and vegetable products which has appreciable characteristics of novelty and inventive step compared with the bags intended for said application that are currently known.
  • Said bags are customarily manufactured in the form woven mesh or of extruded type mesh ( DE 87 15 985 U1 ; CH 380 637 A ; ES 1 027 802 U ).
  • the bags are made from a woven web forming an open mesh with broad eyes, showing plastic filaments which have sufficient strength to support the planned weight of the fruit and vegetable products for which the bag is intended, and which allow easy observation of the product by the purchaser, said bags customarily being associated with labels indicating the brand of the product or certain characteristics thereof.
  • Another type of known bag are those in which the mesh has been obtained by extrusion and expansion of a continuous sheet-like element of plastics material in which, during manufacture, a multiplicity of openings are produced which, after a process of stretching or extending the sheet-like element are transformed into openings separated by bridges, having an appearance and function similar to the woven type of mesh.
  • the weight of the products contained in the bag produces a concentration of forces at the weak points, which succeeds in breaking the welds longitudinally or transversely.
  • the fixing of the label turns out to be unsatisfactory, being able to become detached in some cases, especially if it is used momentarily to hold the bag by the purchaser who picks it from the place where the bags are stacked in the sales establishment.
  • the present invention is intended to remedy the drawbacks mentioned previously, by disclosing a bag for fruit and vegetable products in which the welded join of the ends of the bag makes it possible to obtain a very high strength preventing the breakage of the weld by the actual weight of the bag, and obtaining strong and reliable fixing of the end of the label.
  • the bag of the present invention which is a mesh bag preferably of the woven type, is characterized in that one of the closure mouth portions of the ends of the bag is intimately associated, in enveloping form, with an appendage of the hanging label of the bag, the assembly consisting of the mouth portion of the bag and the appendage of the label being welded with the formation of ribbed structures on the faces of the closure mouth portion, from the actual molten material of the bag and which cover the entire width of the mouth portion, preventing the longitudinal and transverse breakage of the welded mouth.
  • transverse ribs in the mass of the molten mesh takes place during welding, and they extend transversely with respect to the longitudinal axis of the bag, having a transversely continuous structure and covering by means of their length, in a single length or by overlapping sections, the entire width of the flattened mouth portion of the bag.
  • the number of transverse ribs will be variable according to the material used, the dimensions of the bag, etc., being customarily between one and four, and more preferably two or three. Said ribbed structure may also be arranged unevenly on one or the other of the two faces of the flat welded area of the mouth portion of the bag.
  • the precise shape of the ribbed structure it may be any which fulfils the essential characteristic of the present invention, i.e., that the ribbed structure, formed by melting of the material of the bag at the time of the welding of the closure and of the label, extends to, i.e. covers, the entire width of the flat weld area, preferably on both faces.
  • the actual shape of the ribbed structure it will be understood that it allows any type of variant, such as straight, curved, undulating, or zigzag ribs, in network form or overlapped sections, etc.
  • the present invention in one embodiment, provides for the closed mouth portions of the bag to assume a generally flat structure, and optionally for one of the mouth portions to be folded back on itself, forming two wings which contain within them the appendage of the label.
  • the present invention in another embodiment, provides that the mouth portions of the bag completely surround the appendage of the label, and, in another additional embodiment, that the mouth portions of the bag are completely surrounded by the appendage of the label.
  • this may present a short end zone without welding, the end therefore remaining in a "frayed" arrangement which can soften the contact of the welded edge with the pieces of fruit, avoiding damage, or alternatively it may present a simple complete weld as far as the cut edge.
  • the present invention provides for carrying out continuous welding of the bags on the mouth portions of same, with a simple prior accumulation of the tubular material of the bags at the weld point, without applying other external elements to the weld area and carrying out the welding by means of substantially transverse ribs on the flattened area corresponding to the mouth portions. Then, cutting is carried out through a middle area of the weld, producing two welded ends, an upper and a lower end, of two consecutive bags.
  • the number and precise arrangement of the ribs may be variable within specific limits and since, in addition, there is no increase in cost due to the fact that the weld has a greater number of ribs, it is possible to carry out the welding action on the machine in such a way that the welding of the ends of the bags is sufficiently strong, without the need for applying any external element.
  • This variant of the invention may be applied especially to mesh bags, it being preferable for the bags to be relatively dense, i.e., with sufficient application of material in the areas of compression and welding between every two bags. In order to facilitate the welding, it has been observed that better results are obtained if the number of weld ribs is inversely proportional to the density of the mesh bag.
  • This variant is of appreciable economic advantage, since it greatly simplifies the manufacture of bags for fruit and vegetable products from a continuous type tubular mesh element.
  • the bag of the present invention is a mesh bag with a body 1 and upper 3 and lower 2 end closure mouths with welding on the lower mouth 2 of a label 4 by means of an appendage 5.
  • the end mouth portions 2 and 3 may be produced in one of their versions with a generally flat structure of the mesh material, preferably forming an ample fold with two layers superposed on each other as can be seen in Figure 4 , in which they have been indicated by the numbers 6 and 7.
  • the hanging label of the bag is introduced, in particular the arm or appendage 8 with which it is customarily provided, preferably folded longitudinally, as can be seen in Figure 4 , which shows on a much larger scale the two sheet-like elements 9 and 10 which result from the folding of the appendage 8 of the label, and which fit one upon the other.
  • Figure 5 shows diagrammatically and on an enlarged scale a cross-section of the closed mouth portion of a bag in a flat arrangement in which the sides of the label 9 and 10 can be seen enveloped by the faces 6 and 7 of the bag, all corresponding to Figure 4 of those accompanying it.
  • Figure 6 shows a version of the invention in which the bag 18, which has been shown diagrammatically, gathered without any special organisation, being enclosed inside the label 17, which acts as an envelope.
  • Figure 7 shows a third version of the closed mouth portion in which the label 19, which may or may not be in a flattened arrangement, is completely enveloped by the mesh bag 20, which has been shown very diagrammatically as in the previous figures.
  • the mesh bag 21 assumes a general substantially flattened structure, of folded type or simply by gathering of the bag without specific organisation, receiving in semi-enveloping form the appendage 22 of the label which extends for the whole of one of the major sides of the flattened bag 21 and also at the ends or lateral zones of same, forming the short appendages 23 and 24.
  • the bag is completed by a plurality of ribbed elements arranged on the flat areas of the closure mouths, produced in the actual molten mass at the time of closure welding of the mesh bag.
  • Said ribbed structure arranged transversely, covers the entire width of the mouth portion of the bag, and is of widely varied shape, for example, the straight ribs 11, 12 and 13 shown in Figure 2 , or the gently curved ribs 14, 15 and 16 of Figure 3 , or any other ribbed structure arrangement which fulfils the essential characteristic of extending over the entire width of the mouth portion of the bag, covering same transversely, for example undulating or zigzag arrangements or combining a plurality of discontinuous transverse ribbed structures overlapped or in the form of a network, etc.
  • the ribbed structures will be arranged on both faces of the flattened mouth portion, as shown in Figure 4 , in which can be seen the ribs which have been indicated by way of example by the numbers 11, 12 and 13 in Figure 2 , and other similar ribbed structures 11', 12' and 13' arranged on the other face.
  • FIG. 9 The variant of Figures 9 to 12 provides for the manufacture of mesh bags for fruit and vegetable products continuously from a tubular mesh element, as shown in Figure 9 with the bags 101 and 102, which in a known manner are filled with suitable amounts of fruit and vegetable products, and are afterwards subjected to welding and cutting between every two bags.
  • the bags 101 and 102 which in a known manner are filled with suitable amounts of fruit and vegetable products, and are afterwards subjected to welding and cutting between every two bags.
  • the intermediate zone 103 between the bags 101 and 102, the accumulation and squashing of the material of said bags and the welding of the material of same, take place, followed by cutting, by means of which the mesh bags filled with the desired products are separated from each other.
  • the zone 103 receives a transverse weld in the shape of multiple ribs, such as 104, 105, 106 and 107, sufficient in number to permit satisfactory fixing of the mouth portions of bags opposed to one another, corresponding to the bags 101 and 102, without other elements in the weld.
  • the number of weld ribs will depend on the density of the mesh, since with a greater density of fibres of same it is possible to obtain greater strength of the weld with a lesser number of ribs.
  • the number of ribs of the weld which by way of example has been shown as four, will not substantially alter the cost of manufacture.
  • the different filaments such as 108, 108', 108" of the bag 101, and those shown by the numbers 109, 109', 109" in the bag 102, will be grouped together in the intermediate zone 103 in which, by welding, the ribs are produced, for example, 104, 105, 106 and 107. After welding, cutting will be carried out, for example through the trace line X-X', shown in Figure 11 .
  • the bag of the present invention will be made of polyethylene, although other weldable materials are not ruled out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Claims (15)

  1. Sac pour produits horticoles, du type qui comprend un corps de sac en maille (1) de matériau thermoplastique avec deux embouchures de fermeture d'extrémité prévu pour contenir les produits horticoles, caractérisé en ce que l'une des parties d'embouchure de fermeture (2, 3) des extrémités du sac est intimement associée, sous forme enveloppante, à un appendice (5) d'une étiquette thermoplastique suspendue (4) du sac, l'ensemble se composant de la partie d'embouchure et de l'appendice de l'étiquette (4) étant soudé avec des structures nervurées qui sont formées sur les faces de la partie d'embouchure de fermeture, à partir du véritable matériau en fusion de la maille et de l'étiquette (4), qui couvre toute la largeur de la partie d'embouchure, empêchant la rupture longitudinale et transversale de l'embouchure soudée.
  2. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que l'une des parties d'embouchure fermées du sac est repliée sur elle-même, formant deux ailes qui contiennent en leur intérieur l'appendice de l'étiquette (4), qui est assemblé à la partie d'embouchure du sac pendant le véritable soudage de ce dernier.
  3. Sac pour produits horticoles selon la revendication 2, caractérisé en ce que l'appendice soudé de l'étiquette suspendue (4) adopte un agencement plié avec deux faces qui coïncident respectivement avec les faces internes des ailes pliées de la partie d'embouchure aplatie du sac.
  4. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que les parties d'embouchure du sac entourent complètement l'appendice de l'étiquette (4).
  5. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que les parties d'embouchure du sac sont complètement entourées par l'appendice de l'étiquette (4).
  6. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que l'une des parties d'embouchure du sac est saisie sous une forme semi-enveloppante par l'appendice de l'étiquette (4), qui est adapté à une face de la zone intermédiaire du sac avec une structure généralement aplatie et sur les bords latéraux de cette dernière.
  7. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que les structures nervurées sont constituées par des nervures transversales droites (11, 12, 13).
  8. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que les structures nervurées se composent de nervures transversales incurvées (14, 15, 16).
  9. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que les structures nervurées ont une forme ondulée.
  10. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que les structures nervurées se présentent sous la forme de lignes en zigzag.
  11. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que les structures nervurées ont une forme de grille.
  12. Sac pour produits horticoles, selon la revendication 1, caractérisé en ce que le bord des parties d'embouchure présente une zone d'extrémité courte sans soudure.
  13. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que le bord des parties d'embouchure est soudé au fur et à mesure jusqu'à son extrémité découpée.
  14. Sac pour produits horticoles selon la revendication 1, caractérisé en ce que le nombre de nervures de soudure est inversement proportionnel à la densité de masse de l'élément tubulaire à partir duquel les sacs sont fabriqués.
  15. Sac pour produits horticoles, selon la revendication 14, caractérisé par l'agencement des nervures de soudure transversales en deux groupes séparés par une zone intermédiaire libre, prévue pour recevoir la coupe séparant les sacs consécutifs.
EP06841734A 2005-12-26 2006-12-13 Sac pour produits horticoles Not-in-force EP1967459B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200503189A ES2254039B1 (es) 2005-12-26 2005-12-26 Bolsa para productos hortofruticolas.
ES200603114A ES2274744B1 (es) 2005-12-26 2006-12-05 "mejoras introducidas en el objeto de la patente principal num.200503189 por: bolsa para productos hortofruticolas.
PCT/ES2006/000682 WO2007074183A1 (fr) 2005-12-26 2006-12-13 Sac pour produits horticoles

Publications (3)

Publication Number Publication Date
EP1967459A1 EP1967459A1 (fr) 2008-09-10
EP1967459A4 EP1967459A4 (fr) 2010-12-22
EP1967459B1 true EP1967459B1 (fr) 2012-04-04

Family

ID=36578899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06841734A Not-in-force EP1967459B1 (fr) 2005-12-26 2006-12-13 Sac pour produits horticoles

Country Status (4)

Country Link
EP (1) EP1967459B1 (fr)
AT (1) ATE552182T1 (fr)
ES (3) ES2254039B1 (fr)
WO (1) WO2007074183A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2322741B1 (es) 2007-06-08 2010-04-19 Girnet International, S.L. "etiqueta laminar colgante y rollo de etiquetas".
DE102009013192B4 (de) 2009-03-17 2011-06-09 Solida Textil- Und Netzwaren-Manufaktur Gmbh & Co Kg Verfahren zum Herstellen von Kopfhauben und Anordnung aus einer Vielzahl von Kopfhauben

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH380637A (de) * 1959-10-21 1964-07-31 Norddeutsche Seekabelwerke Ag Mit Etikett versehener, zugeschweisster Beutel aus thermoplastischem Kunststoff
FR1270262A (fr) * 1960-10-11 1961-08-25 Norddeutsche Seekabelwerke Ag Sac ou sachet soudé en matière thermoplastique
FR1406639A (fr) * 1964-06-11 1965-07-23 Nortene Nord Tech Extrusion Nouveau dispositif de conditionnement pour produits solides
US4403637A (en) * 1981-09-21 1983-09-13 Rivelles Sabater Maria D Reinforced flexible container
JPS6382703U (fr) * 1987-03-30 1988-05-31
ES2004786A6 (es) * 1987-08-06 1989-02-01 Paniagua Olaechea Rosalina Procedimiento para la fabricacion en continuo de bolsas de malla maquina para su puesta en practica y bolsa correspondiente
DE8715985U1 (fr) * 1987-12-03 1988-01-21 Polydress Plastic Gmbh, 6120 Michelstadt, De
ES1027802U (es) * 1994-04-25 1994-10-16 Olaechea Rosalina Paniagua Bolsa para productos hortifruticolas, perfeccionada.
DE29821354U1 (de) * 1998-11-30 1999-03-11 Kalle Nalo Gmbh & Co Kg Verpackte Falthülle

Also Published As

Publication number Publication date
EP1967459A4 (fr) 2010-12-22
ES2274744B1 (es) 2008-04-01
ES2380805T3 (es) 2012-05-18
ES2254039B1 (es) 2007-07-16
ES2274744A2 (es) 2007-05-16
ES2254039A1 (es) 2006-06-01
EP1967459A1 (fr) 2008-09-10
ES2274744R (es) 2007-07-01
ATE552182T1 (de) 2012-04-15
WO2007074183A1 (fr) 2007-07-05

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