WO2007074183A1 - Sac pour produits horticoles - Google Patents

Sac pour produits horticoles Download PDF

Info

Publication number
WO2007074183A1
WO2007074183A1 PCT/ES2006/000682 ES2006000682W WO2007074183A1 WO 2007074183 A1 WO2007074183 A1 WO 2007074183A1 ES 2006000682 W ES2006000682 W ES 2006000682W WO 2007074183 A1 WO2007074183 A1 WO 2007074183A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
fruit
vegetable products
products according
ribs
Prior art date
Application number
PCT/ES2006/000682
Other languages
English (en)
Spanish (es)
Inventor
Salvador CAÑES PEREZ
Original Assignee
Roda Packing, S.A.
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, S.A. filed Critical Roda Packing, S.A.
Priority to AT06841734T priority Critical patent/ATE552182T1/de
Priority to ES06841734T priority patent/ES2380805T3/es
Priority to EP06841734A priority patent/EP1967459B1/fr
Publication of WO2007074183A1 publication Critical patent/WO2007074183A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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 is intended to disclose a bag for fruit and vegetable products that has sensitive characteristics of novelty and inventive activity on the bags intended for said application currently known.
  • Such bags are usually manufactured - in woven mesh or extruded type.
  • these are bags made in a woven fabric forming a mesh of wide openings with plastic filar elements that have sufficient strength to retain the expected weight of the fruit and vegetable product to which the bag is intended and that allow easy observation of the product by the buyer, such bags being associated in a usual way to labels that are indicative of the brand of the product or of certain characteristics of the same.
  • Another type of known bags are those in which the mesh has been achieved by extrusion and expansion of a continuous laminar element of plastic material in which During its manufacture, multiple openings are made which, after a stretching or extended process of the laminar element, are transformed into openings separated by bridges, having an appearance and functions similar to the mesh of woven fabric.
  • the weight of the products contained in the bag produces a concentration of stresses in the weak points, which breaks the welds longitudinally or transversely.
  • the fixing of the label is unsatisfactory, being able to detach in some cases, especially if it is used for the momentary fastening of the bag by the buyer who collects it from the place of stacking them in the sales establishment .
  • the present invention is intended to solve the aforementioned drawbacks, by disclosing a bag for fruit and vegetable products in which the welded joint of the ends of the bag allows to achieve a very high resistance making it impossible to break the weld by the weight of the bag and getting a resistant and reliable hold of the end of the label.
  • the bag object of the present invention which is preferably a woven mesh bag, is characterized in that the closing mouths of the ends of the bag are intimately associated in an enveloping manner with an appendix of the hanging tag of the bag, the bag embouchure assembly and tag appendix being welded on the faces of the closure mouth, of the same molten material of the bag and covering the entire width of the mouthpiece, preventing the longitudinal and transverse rupture of the welded mouth.
  • transverse ribs in the mass of the molten mesh takes place during welding, and extend transversely with respect to the longitudinal axis of the bag, having a continuous structure transversely and covering by its length, single or overlapping sections, the total width of the flattened mouth of the bag.
  • transverse ribs will vary according to the material used, dimensions of the bag, etc., usually between one and four, and more preferably between two or three. Said rib can also be arranged unevenly on one or the other of the two sides of the flat welded area of the mouth of the bag. As for the precise shape of the rib, it can be any that meets the essential characteristic of the present invention, that is, that the rib, formed by melting the material of the bag at the time of closing welding and the label, extend, that is, cover the entire width of the flat area of the weld preferably on both sides. As for the concrete shape of the vein, it will be understood that it admits any type of variants, such as straight, curved, wavy, zigzag, grid-shaped, overlapping sections, etc.
  • the present invention provides in one embodiment that the closed mouths of the bag adopt a general flat structure and, eventually, that one of the mouths is folded on itself, forming two wings comprising the appendix inside the label.
  • the appendix soldier of the hanging tag adopt folded arrangement with two faces that coincide respectively with the inner faces of the folded wings of the bag mouth.
  • the present invention provides in another embodiment, that the mouths of the bag completely surround the appendix of the tag and in another additional embodiment, that the mouths of the bag are completely surrounded by the appendix of the tag.
  • a short end zone can be shown without welding, therefore the end being in a "frayed" arrangement that can soften the contact of the welded edge with the fruit pieces, avoiding damage, or alternatively you can present a simple complete welding to the cut edge.
  • the present invention provides for continuous welding of the bags at the mouths thereof, with simple prior accumulation of the tubular material of the bags at the point of welding, without providing other external elements to the area of welding and welding by means of substantially transverse ribs in the flattened area corresponding to the openings.
  • the middle section of the weld is cut, giving rise to two welded ends, one lower and one upper, of two successive bags. Since the number and precise arrangement of the ribs can be variable within certain limits and, in addition, there is no increase in costs due to the fact that the weld has a larger number of ribs, it is possible to perform the welding action in the machine, so that the welding of the terminals of the bags is sufficiently resistant, without the need of any external element.
  • This variant of the invention can be applied especially in mesh bags, it being preferred that these are relatively dense, that is, with a sufficient supply of material in the compression and welding zones between each two bags. To favor welding, it has been observed that better results are obtained if the number of welding ribs is inversely proportional to the density of the mesh bag.
  • This variant has notable economic interest, since it greatly simplifies the manufacture of bags for fruit and vegetable products from a tubular mesh element of continuous type.
  • Figure 1 shows a schematic front view of a bag made in accordance with the present invention.
  • Figures 2 and 3 show paths in front elevation, on a larger scale, of two variants of execution of the transverse ribs of the bag welding zone.
  • Figure 4 shows a schematic cross section of the mouth of the bag according to the invention.
  • Figure 5 shows a cross section of a mouth of the bag according to the present invention, in flattened version.
  • Figure 6 shows a cross section of a mouthpiece of a bag according to the present invention in which The label material is represented by wrapping the bag outside.
  • Figure 7 shows a version in which the bag completely wraps the label arranged inside.
  • Figures 5, 6 and 7 show cross sections of three exemplary embodiments of the closed mouth of the present invention with label attachment.
  • Figure 8 schematically shows a cross section of an additional embodiment of the closed mouths of the present invention in which the appendix of the label is semi-enveloping with respect to the intermediate zone between two bags.
  • Figure 9 shows a continuous set of bags, according to a variant of the invention.
  • Figure 10 shows a detail of a weld of the variant of Figure 9.
  • Figure 11 shows a longitudinal section of a weld.
  • Figure 12 shows a variant of the weld.
  • the bag object of the present invention is a mesh bag with a body -1- and extreme closing mouths -3- and lower -2- with welding in the lower mouth -2- of a label -A- through an appendix -5-.
  • the extreme openings -2- and -3- can be made in one of its versions with a general flat structure of the mesh material, preferably forming a wide fold with two layers superimposed on each other as can be seen in the Figure 4 in which they have been indicated with the numerals -6- and -7 ⁇ .
  • the hanging tag of the bag is introduced, in particular the arm or appendix -8- that usually has the same, preferably folded longitudinally, as observed in Figure 4, in which the two laminar elements -9- and -10- that result from the folding of the appendix -8- of the label, and which coincide on one another, have been represented on a much larger scale.
  • Figure 5 shows schematically and on a larger scale a cross-section of the closed mouth of a bag in flat arrangement in which the sides of the label -9- and -10- wrapped by the faces -6- and -7 can be seen - of the bag, all corresponding to figure 4 of which are attached.
  • Figure 6 shows a version of the invention in which the bag -18-, which has been shown schematically together without special arrangement, being enclosed inside the tag -17- that acts in an enveloping manner.
  • FIG 7 a third version of the closed mouth is shown in which the label -19-, in flattened or not disposed, is completely wrapped by the mesh bag -20- that has been represented as in the figures previous very schematically.
  • the mesh bag -21- adopts a substantially flattened general structure, of the folded type or simply by meeting without specific ordering of the bag, the appendix -22- of the label receiving semi-enveloping form That It extends to all of one of the main sides of the flattened bag -21- and also to the ends or lateral areas thereof forming the short appendages -23- and -24-.
  • the bag is completed by several rib elements arranged in the flat areas of the closing mouths, made in the same melt at the time of the closing weld of the mesh bag.
  • Said rib in transverse arrangement covers the entire width of the mouth of the bag and has a widely varied shape, for example, the straight nerves -11-, -12- and -13- represented in Figure 2, or the smoothly curved ribs -14-, -15- and -16- of Figure 3, or any other rib arrangement that meets the essential characteristic of extending to the entire width of the mouth of the bag, covering it transversely, for example, wavy or zigzag arrangements or combining several overlapping or cross-shaped transverse discontinuous veins, etc.
  • the ribs will be arranged on both sides of the flattened mouth, as shown in Figure 4, in which the nerves indicated by way of example with the numerals -11-, -12- and -13 can be seen - in Figure 2 and other similar ribs -11'-, -12'- and -13'- arranged on the other side.
  • the nerves indicated by way of example with the numerals -11-, -12- and -13 can be seen - in Figure 2 and other similar ribs -11'-, -12'- and -13'- arranged on the other side.
  • the ribs of one face are at the same height as those of the other or that they coincide in number.
  • Figures 9 to 12 provides for the manufacture of mesh bags for fruit and vegetable products continuously starting from a tubular mesh element, as shown in Figure 9 with the bags -101- and -102-, which in a known way are filled with the appropriate amounts of fruit and vegetable products and are then welded and cut between every two bags.
  • the zone -103- between the bags -101- and -102-, the accumulation and crushing of the material of said bags and the welding of the material thereof is carried out, then cutting, with what will be individualized mesh bags filled with the desired products.
  • the zone -103- between the bags -101- and -102-, the accumulation and crushing of the material of said bags and the welding of the material thereof is carried out, then cutting, with what will be individualized mesh bags filled with the desired products.
  • the zone -103- between the bags -101- and -102-, the accumulation and crushing of the material of said bags and the welding of the material thereof is carried out, then cutting, with what will be individualized mesh bags filled with the desired products.
  • -103- receives a transverse weld in the form of multiple ribs, such as -104-, -105-, -106- and -107-, in sufficient numbers to allow a satisfactory fixation of the mouths of bags opposite each other 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 higher density of fibers thereof, greater welding strength can be achieved with a smaller number of ribs.
  • the number of weld ribs which by way of example has been represented in a number of four, will not significantly alter the manufacturing cost.
  • the different threads such as -108-, -108'-, -108 "- of the bag -101-, and those that have been represented with the numerals -109-, -109 '-, -109 "- in the bag -102-, will be grouped in the intermediate zone -103- where the nerves are made by welding, for example, -104-, -105-, -106- and -107 -. After welding will be cut, for example, by the dashed line -X-X'- represented in figure 11.
  • the bag object of the present invention will be made of polyethylene, although other weldable materials are not excluded. While the invention has been described in accordance with preferred embodiments thereof, it will be understood that any person skilled in the art, in view of the description, claims and drawings, may introduce numerous variants that will be included in the present invention if found. within the scope of the following claims.

Landscapes

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

Abstract

L'invention concerne un sac pour produits horticoles du type qui comprend un corps de sac en maille thermoplastique dans laquelle les embouchures de fermeture des extrémités sont étroitement associées de manière enveloppante à un appendice de l'étiquette thermoplastique suspendue au sac. Les surfaces des embouchures de fermeture sont pourvues de nervures constituées du même matériau fondu du sac et ces nervures couvrent toute la largeur de l'embouchure, permettant ainsi d'éviter une déchirure longitudinale et transversale de l'embouchure soudée.
PCT/ES2006/000682 2005-12-26 2006-12-13 Sac pour produits horticoles WO2007074183A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT06841734T ATE552182T1 (de) 2005-12-26 2006-12-13 Beutel für obst- und gemüseprodukte
ES06841734T ES2380805T3 (es) 2005-12-26 2006-12-13 Bolsa para productos hortofrutícolas
EP06841734A EP1967459B1 (fr) 2005-12-26 2006-12-13 Sac pour produits horticoles

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES200503189 2005-12-26
ES200503189A ES2254039B1 (es) 2005-12-26 2005-12-26 Bolsa para productos hortofruticolas.
ES200603114 2006-12-05
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.

Publications (1)

Publication Number Publication Date
WO2007074183A1 true WO2007074183A1 (fr) 2007-07-05

Family

ID=36578899

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/000682 WO2007074183A1 (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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4790124A (en) * 1987-03-30 1988-12-13 Kabushiki Kaisha Asada Article packaging apparatus
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
ES1027802U (es) * 1994-04-25 1994-10-16 Olaechea Rosalina Paniagua Bolsa para productos hortifruticolas, perfeccionada.
US20020088735A1 (en) * 1998-11-30 2002-07-11 Alois Weinheimer Packaged folding casing

Family Cites Families (2)

* 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
DE8715985U1 (de) * 1987-12-03 1988-01-21 Polydress Plastic Gmbh, 6120 Michelstadt Befüllter Sack mit verschlossener Sacköffnung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4790124A (en) * 1987-03-30 1988-12-13 Kabushiki Kaisha Asada Article packaging apparatus
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
ES1027802U (es) * 1994-04-25 1994-10-16 Olaechea Rosalina Paniagua Bolsa para productos hortifruticolas, perfeccionada.
US20020088735A1 (en) * 1998-11-30 2002-07-11 Alois Weinheimer Packaged folding casing

Also Published As

Publication number Publication date
ATE552182T1 (de) 2012-04-15
EP1967459A1 (fr) 2008-09-10
EP1967459A4 (fr) 2010-12-22
ES2274744A2 (es) 2007-05-16
ES2274744B1 (es) 2008-04-01
ES2274744R (es) 2007-07-01
ES2254039A1 (es) 2006-06-01
ES2380805T3 (es) 2012-05-18
EP1967459B1 (fr) 2012-04-04
ES2254039B1 (es) 2007-07-16

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