EP3581513A1 - Lightweight continuous band for producing bags for fruit and vegetable produce and similar products - Google Patents

Lightweight continuous band for producing bags for fruit and vegetable produce and similar products Download PDF

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Publication number
EP3581513A1
EP3581513A1 EP18751535.8A EP18751535A EP3581513A1 EP 3581513 A1 EP3581513 A1 EP 3581513A1 EP 18751535 A EP18751535 A EP 18751535A EP 3581513 A1 EP3581513 A1 EP 3581513A1
Authority
EP
European Patent Office
Prior art keywords
continuous
band
bags
fruit
windows
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.)
Withdrawn
Application number
EP18751535.8A
Other languages
German (de)
French (fr)
Other versions
EP3581513A4 (en
Inventor
Jose Maria Meseguer Huertas
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.)
Cristobal Meseguer SA
Original Assignee
Cristobal Meseguer 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 Cristobal Meseguer SA filed Critical Cristobal Meseguer SA
Publication of EP3581513A1 publication Critical patent/EP3581513A1/en
Publication of EP3581513A4 publication Critical patent/EP3581513A4/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/82—Forming or attaching windows
    • B31B70/826—Forming or attaching windows involving applying window patches
    • 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
    • B65D33/01—Ventilation or drainage of bags
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/82—Forming or attaching windows
    • 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
    • B65D33/04—Windows or other apertures, e.g. for viewing contents
    • 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
    • B65D85/50—Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage
    • B65D85/52—Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage for living plants; for growing bulbs

Definitions

  • the object of the present invention is an innovative continuous band featuring windows closed by fragments of plastic material; said fragments having a plurality of holes evenly distributed throughout their surface.
  • Continuous bands for the manufacture of bags are well known; these are joined along their longitudinal edges to form a continuous tube which is divisible into a plurality of sections corresponding to the respective bags.
  • one of the drawbacks is the impossibility to include any type of printed information, and another drawback is the damage which the filaments may inflict on the product.
  • the solution which combines windows and mesh fragments enables the printing of any type of information and the visual inspection of the product, but for the bag to feature sufficient mechanical strength, the thickness of the filaments of the mesh must be considerable, entailing a greater use of plastic products and consequently an increase in costs.
  • the present invention advocates a continuous band which, for the closing of the windows, includes fragments of plastic material featuring a plurality of holes evenly distributed throughout their surface, which solves the aforementioned drawbacks, enabling the printing on the areas without windows, and the visual inspection of the product, and additionally, the weight of a fragment of plastic material with its corresponding holes, providing the same mechanical strength as a mesh fragment of like dimensions, is approximately 40% less; there is thus a saving in the materials employed, entailing financial savings and less use of products which, when they become waste, are difficult to eliminate.
  • the continuous band (1) is formed by a continuous sheet (2) of plastic of the same width as that of the aforementioned band; said band features at each of the aforementioned sectors one or more windows (5) of like or different sizes; at least one of the windows is closed by means of a fragment (3) of plastic material of a shape and dimensions suited to said at least one window, and whose edges are fixed to the periphery of the same by thermo-welding or similar procedure; said fragment of plastic material features a plurality of stamped holes (6) of like size, which are evenly distributed throughout the surface of said fragment. Said holes may be square in shape, with rounded corners and may be arranged in a staggered manner in order to give the appearance of a net.
  • the windows may be centred in each of the sectors or disposed symmetrically with regard to the longitudinal axis of the band; in these two cases the fragment of plastic material may be a strip with a width smaller than that of the continuous band.
  • reinforcements of plastic material are disposed at the areas foreseen for the handles, the thermo-welds and at the edges of the windows; said reinforcements are attached to the side of the continuous sheet of plastic material intended to be the internal part of the bags by means of thermo-welding or similar procedure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)

Abstract

A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, consisting of a continuous plastic sheet of the same width as that of the aforementioned band; said band features at each of the aforementioned sectors one or more windows of like or different sizes; at least one of the windows is closed by means of a fragment of plastic material of a shape and dimensions suited to said at least one window, and whose edges are fixed to the periphery of the same by thermo-welding or similar procedure; said fragment of plastic material features a plurality of stamped holes of like size, which are evenly distributed throughout the surface of said fragment.

Description

    Object of the invention
  • The object of the present invention is an innovative continuous band featuring windows closed by fragments of plastic material; said fragments having a plurality of holes evenly distributed throughout their surface.
    • Background of the invention
  • Continuous bands for the manufacture of bags are well known; these are joined along their longitudinal edges to form a continuous tube which is divisible into a plurality of sections corresponding to the respective bags.
  • When the product contained in the bags is fruit and vegetable produce and similar products, the bags must provide appropriate ventilation, this being achieved in various ways, quoting by way of an example that the material of the bag may be of a reticular nature or that the band may feature windows, usually closed by mesh fragments; these solutions also enable consumers to see the product packaged.
  • In the case of reticular bands, one of the drawbacks is the impossibility to include any type of printed information, and another drawback is the damage which the filaments may inflict on the product. Conversely, the solution which combines windows and mesh fragments enables the printing of any type of information and the visual inspection of the product, but for the bag to feature sufficient mechanical strength, the thickness of the filaments of the mesh must be considerable, entailing a greater use of plastic products and consequently an increase in costs.
  • The present invention advocates a continuous band which, for the closing of the windows, includes fragments of plastic material featuring a plurality of holes evenly distributed throughout their surface, which solves the aforementioned drawbacks, enabling the printing on the areas without windows, and the visual inspection of the product, and additionally, the weight of a fragment of plastic material with its corresponding holes, providing the same mechanical strength as a mesh fragment of like dimensions, is approximately 40% less; there is thus a saving in the materials employed, entailing financial savings and less use of products which, when they become waste, are difficult to eliminate.
    • Description of the invention
  • The lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, which is the object of the present invention, consists of a continuous sheet of plastic of the same width as that of the aforementioned band; said band features at each of the aforementioned sectors one or more windows of like or different sizes; at least one of the windows is closed by means of a fragment of plastic material of a shape and dimensions suited to said at least one window, and whose edges are fixed to the periphery of the same by thermo-welding or similar procedure; said fragment of plastic material features a plurality of stamped holes of like size, which are evenly distributed throughout the surface of said fragment.
  • One solution, apparently similar, might be that the continuous sheet should have no windows, and to stamp throughout its surface or in areas chosen beforehand a plurality of holes; however, to obtain a bag with the same mechanical strength as that obtained by the present invention, this would imply that the thickness of the continuous sheet of plastic would be greater, thus eliminating the saving in material and costs, as well as increasing the environmental problems generated when discarding the bags.
    • Brief description of the figures
    • Figure 1: portrays a perspective view of one sector of the continuous band.
    • Figure 2: portrays a perspective view of one sector of the continuous band.
    • Figure 3: portrays a perspective view of the fragment of plastic material.
    Preferred embodiments
  • Figures 1 to 3 portray a preferred embodiment of the lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products which is the object of the present invention, and which features a handle (4).
  • The continuous band (1) is formed by a continuous sheet (2) of plastic of the same width as that of the aforementioned band; said band features at each of the aforementioned sectors one or more windows (5) of like or different sizes; at least one of the windows is closed by means of a fragment (3) of plastic material of a shape and dimensions suited to said at least one window, and whose edges are fixed to the periphery of the same by thermo-welding or similar procedure; said fragment of plastic material features a plurality of stamped holes (6) of like size, which are evenly distributed throughout the surface of said fragment. Said holes may be square in shape, with rounded corners and may be arranged in a staggered manner in order to give the appearance of a net.
  • Likewise, the band may feature a plurality of perforations of like or different sizes to enhance the ventilation of the product packaged in the bag manufactured therewith.
  • The windows may be centred in each of the sectors or disposed symmetrically with regard to the longitudinal axis of the band; in these two cases the fragment of plastic material may be a strip with a width smaller than that of the continuous band.
  • To increase the mechanical strength of the bag at its weakest points, in correspondence with each of the sectors of the continuous sheet of plastic foreseen for the obtaining of a bag, reinforcements of plastic material are disposed at the areas foreseen for the handles, the thermo-welds and at the edges of the windows; said reinforcements are attached to the side of the continuous sheet of plastic material intended to be the internal part of the bags by means of thermo-welding or similar procedure.

Claims (6)

  1. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, of the type intended to be closed over themselves by means of the bonding of their longitudinal edges by thermo-welding or similar procedure to form a continuous tube which is divisible into a plurality of sectors corresponding to respective bags, characterised in that it consists of a continuous plastic sheet of the same width as that of the aforementioned band; said band features at each of the aforementioned sectors one or more windows of like or different sizes; at least one of the windows is closed by means of a fragment of plastic material of a shape and dimensions suited to said at least one window, and whose edges are fixed to the periphery of the same by thermo-welding or similar procedure; said fragment of plastic material features a plurality of stamped holes of like size, which are evenly distributed throughout the surface of said fragment.
  2. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, as claimed in claim 1, characterised in that each of the sectors of the continuous sheet of plastic material features a plurality of perforations of like or different sizes.
  3. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, as claimed in claim 1 or 2, characterised in that the windows are centred in each of the sectors.
  4. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, as claimed in any of the preceding claims, characterised in that the windows are disposed symmetrically with regard to the longitudinal axis of the continuous plastic sheet.
  5. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, as claimed in claims 3 or 4, characterised in that the fragment of plastic material is a continuous strip with a width smaller than that of the continuous plastic band.
  6. A lightweight continuous band for the manufacture of bags for fruit and vegetable produce and similar products, as claimed in any of the preceding claims, characterised in that in correspondence with each of the sectors of the continuous sheet of plastic foreseen for the obtaining of a bag, reinforcements of plastic material are disposed at the areas foreseen for the handles, the thermo-welds and at the edges of the windows; said reinforcements are attached to the side of the continuous sheet of plastic material intended to be the internal part of the bags by means of thermo-welding or similar procedure.
EP18751535.8A 2017-02-08 2018-01-30 Lightweight continuous band for producing bags for fruit and vegetable produce and similar products Withdrawn EP3581513A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201730150A ES2678095B1 (en) 2017-02-08 2017-02-08 CONTINUOUS BAND ALIGERADA FOR THE MANUFACTURE OF BAGS FOR HORTICULTURAL AND SIMILAR PRODUCTS.
PCT/ES2018/070067 WO2018146355A1 (en) 2017-02-08 2018-01-30 Lightweight continuous band for producing bags for fruit and vegetable produce and similar products

Publications (2)

Publication Number Publication Date
EP3581513A1 true EP3581513A1 (en) 2019-12-18
EP3581513A4 EP3581513A4 (en) 2020-11-04

Family

ID=63042156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18751535.8A Withdrawn EP3581513A4 (en) 2017-02-08 2018-01-30 Lightweight continuous band for producing bags for fruit and vegetable produce and similar products

Country Status (4)

Country Link
US (1) US20190375553A1 (en)
EP (1) EP3581513A4 (en)
ES (1) ES2678095B1 (en)
WO (1) WO2018146355A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190322422A1 (en) * 2018-04-19 2019-10-24 Chris Hoe Lam Lee Reinforced polybag with mesh window and methods of manufacturing the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614899A1 (en) * 1976-04-07 1977-10-20 P S Spezial Maschf Gmbh Permeable plastic pack without weakened areas - having fine perforations only at areas unstressed by welds or holes
US4206870A (en) * 1978-12-08 1980-06-10 Quad Corporation Pressure relief valve
CA2050145A1 (en) * 1991-08-28 1993-03-01 Daniel Beliveau Perforated plastic bag for packaging fruits or vegetables
ES2204271B1 (en) * 2002-02-21 2005-08-01 Cristobal Meseguer, S.A. CONTINUOUS BAND FOR MANUFACTURE OF BAGS FOR HORTOFRUTICOLAS AND SIMILAR PRODUCTS.
ES1051505Y (en) * 2002-03-08 2002-12-01 Meseguer Cristobal Sa CONTINUOUS TUBULAR BAND FOR OBTAINING BAGS FOR HORTOFRUTICOLAS AND SIMILAR PRODUCTS.
ES2296534B1 (en) * 2006-10-02 2009-03-16 Cristobal Meseguer, S.A. PERFECTED CONTINUOUS BAND FOR MANUFACTURE OF BAGS FOR HORTOFRUTICOL AND SIMILAR PRODUCTS.
CN201058717Y (en) * 2007-06-12 2008-05-14 王钜洪 Bread bag
ES2463640A1 (en) * 2012-10-22 2014-05-28 Cristóbal Meseguer, S.A. Continuous band of plastic-coated paper for the production of bags for fruit and vegetable produce and similar products
ES2476440A1 (en) * 2012-12-14 2014-07-14 Crist�Bal Meseguer, S.A. Continuous web for producing bags consisting of plasticised paper and comprising a plate, for fruit and vegetable products and the like

Also Published As

Publication number Publication date
EP3581513A4 (en) 2020-11-04
ES2678095B1 (en) 2019-02-28
US20190375553A1 (en) 2019-12-12
WO2018146355A1 (en) 2018-08-16
ES2678095A1 (en) 2018-08-08

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