US20140251858A1 - Packaging comprising a breathable valve for perishable products - Google Patents

Packaging comprising a breathable valve for perishable products Download PDF

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Publication number
US20140251858A1
US20140251858A1 US14/352,728 US201214352728A US2014251858A1 US 20140251858 A1 US20140251858 A1 US 20140251858A1 US 201214352728 A US201214352728 A US 201214352728A US 2014251858 A1 US2014251858 A1 US 2014251858A1
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US
United States
Prior art keywords
breathable
packaging
ring
flexible container
valve
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.)
Abandoned
Application number
US14/352,728
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English (en)
Inventor
Elkin David Cardona Jiménez
Alberto Naranjo Carvajal
Juan Diego Sierra Munñeton
Jorge Iván Villegas Cardona
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.)
ICIPC Instituto de Capacitacion e Investigacion del Plastico y del Caucho
Original Assignee
ICIPC Instituto de Capacitacion e Investigacion del Plastico y del Caucho
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 ICIPC Instituto de Capacitacion e Investigacion del Plastico y del Caucho filed Critical ICIPC Instituto de Capacitacion e Investigacion del Plastico y del Caucho
Publication of US20140251858A1 publication Critical patent/US20140251858A1/en
Assigned to INSTITUTO DE CAPACITACION E INVESTIGACION DEL PLASTICO Y DEL CAUCHO ICIPC reassignment INSTITUTO DE CAPACITACION E INVESTIGACION DEL PLASTICO Y DEL CAUCHO ICIPC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARDONA, JORGE IVAN VILLEGAS, MUNETON, JUAN DIEGO SIERRA, JIMENEZ, ELKIN DAVID CARDONA, CARVAJAL, ALBERTO NARANJO
Abandoned 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/263—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for ventilating the 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1611—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of an orifice, capillary or labyrinth passage
    • 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
    • B65D85/345—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 having a meshed or apertured closure to allow contents to breathe

Definitions

  • the present invention relates to the packaging of perishable items such as vegetables and fruits, in particular to the means for controlling gas composition in the atmosphere inside the container and facilitating manual closure, for instance, of the packing without using automatic techniques such as heat sealing.
  • Some perishable products such as vegetables and fruits, continue their ripening and ageing process after being harvested.
  • the product undergoes a respiratory process characterized by oxygen absorption and the release of carbon dioxide and ethylene. Additionally, the product transpires moisture, reducing its weight. Decreasing respiration and transpiration in the packaging is critical to extend the green life of perishable products.
  • Another problem associated with uncontrolled respiration is reaching a high concentration of carbon dioxide in the atmosphere inside the packaging, which can affect the organoleptic properties of the perishable product.
  • Prior art includes some alternatives for the control of respiration and transpiration in packaging perishable products. These technologies include the following: transportation in refrigerated containers; hypobaric packaging, containers with devices that remove ethylene; active packaging that traps oxygen, carbon dioxide, and ethylene; modified atmosphere packaging, coatings on cardboard; direct chemical or physical treatment on the product; and breathable packaging. Compared with breathable packaging, other technologies have some disadvantages, such as the possibility of damage due to low temperatures in refrigerated alternatives, high costs, consumer perception, and difficulties in packaging operations.
  • Breathable packaging is one of the most commonly used packaging for perishable products due to its benefits in terms of costs. Breathable packaging technology offers various options, including: high permeability films; macro and microperforated films; permeable patches and windows; air vents and valves.
  • Macro and micro perforated films have been disclosed in several patents (U.S. Pat. No. 5,130,152, US2005180664, DE202005011737, GB1106265, GB1134667, GB2141688, and JP6199385).
  • This alternative has some disadvantages, such as the need to seal the mouth of the packaging, the product may block some of the perforations, and the need for additional operations in the manufacture of the film or bag.
  • Air vents have been disclosed in prior art (US2004131731, US2007257040, US2008116098, WO2007008459, WO2010141467, and JP2002308293).
  • the main disadvantages of this technology are: the need to seal the mouth of the packaging and the need for additional operations in the manufacture of the bag.
  • valves have been disclosed in prior art (U.S. Pat. No. 3,937,396, U.S. Pat. No. 5,996,800, US2003152296, WO2004108557, WO2004043191, EP0700839, JP1279073, JP11301743, and JP2006125559), all valves require sealing the bag, as well as additional operations in the manufacturing of the bag.
  • the packaging of the present invention discloses a combination of a flexible container and a breathable valve, composed in turn by a ring and a breathable lid to extend the green life of perishable products, such as fruits and vegetables.
  • the packaging of the present invention provides the possibility of mechanical assembly, either manually or automatically, without the need of heat-sealing technology or additional operations in the manufacture of the bags; it can also be opened and reopened in ripening chambers; it is recyclable and affordable.
  • extending the green life of the product can increase the growth period of the fruit or vegetable in the plant.
  • the present invention provides a packaging with a breathable valve to extend the green life of perishable products that undergo a respiratory process after being harvested, such as vegetables and fruits.
  • the packaging comprises a flexible container and a valve assembly that is assembled in the mouth of the flexible package in order to create a controlled gaseous atmosphere inside the package.
  • the valve assembly comprises a ring located outside the flexible container and a breathable lid located inside the flexible container; these two components can be mechanically assembled without the need of heat sealing technologies to close the mouth of the flexible container.
  • the breathable lid has fastening means to attach both parts to the middle of the flexible container, which can be an interference fit and pressure fittings.
  • the breathable lid can be a plastic cover with multiple microperforations or nanoperforations, or an annular section that allows the installation of a permeable membrane interspersed among the ring, the flexible container and the breathable lid.
  • the permeable membrane can be a cavitated, microperforated, or nanoperforated film.
  • concentration of oxygen, water vapor, carbon dioxide, and ethylene is controlled by the permeation of the breathable lid, the weight and respiration rate of the packed perishable product.
  • the permeation of the breathable lid is controlled by the number and size of micro and nanoperforations, in the case of the plastic cover and the micro and nanoperforated film; and by gas permeability, in the case of the cavitated film.
  • FIG. 1 illustrates a breathable valve ( 2 ) assembled and installed in the mouth of the flexible container ( 1 ).
  • the figure also shows an interference fit as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • the breathable lid ( 4 ) has a circular cavity to allow good assembly by interference with the ring ( 3 ).
  • FIG. 2 illustrates a breathable valve ( 2 ) assembled and installed in the mouth of the flexible container ( 1 ).
  • the figure also shows an interference fit as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • FIG. 3 illustrates a breathable valve ( 2 ) assembled, a pressure fitting ( 6 ) as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • FIG. 4 illustrates a breathable valve ( 2 ) assembled, a pressure fitting ( 6 ) as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • the figure also illustrates a rectangular channel ( 7 ) to facilitate release without moving parts of the pieces to be assembled by pressure ( 6 ).
  • FIG. 5 illustrates a breathable valve ( 2 ) assembled, an interference fit ( 8 ) in the ring ( 3 ) as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • FIG. 6 illustrates another embodiment of the invention using a breathable valve ( 2 ) of square shape, an interference fit as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • FIG. 7 illustrates another embodiment of the invention using a breathable valve ( 2 ) of triangular shape, an interference fit as fastening means and a micro or nanoperforated plastic cover as breathable lid ( 4 ).
  • FIG. 8 illustrates another embodiment of the invention wherein the breathable lid of the valve assembly is an annular section, allowing the installation of a permeable membrane ( 10 ) interspersed among the ring ( 3 ), the flexible container ( 1 ) and the breathable ring ( 9 ).
  • FIG. 9 illustrates the evolution of oxygen and carbon dioxide concentration over time for two prototypes made in accordance with the present invention. It evaluates two microperforated plastic covers with 11 and 18 microperforations that range between 250 and 300 microns in diameter.
  • the packaging comprises a flexible container ( 1 ) characterized by the presence of at least one mouth, and at least one valve assembly ( 2 ) consisting of two parts: a ring ( 3 ), located on the periphery and the outer surface of the flexible container's mouth ( 1 ), and a breathable lid ( 4 ), which mechanically fits to the inner part of the ring ( 3 ), such that the material of the flexible container's mouth ( 1 ) is fastened between the breathable lid ( 4 ) and the ring ( 3 ).
  • the flexible container ( 1 ) is a flexible film, manufactured for example by casting, blowing extrusion, flat film extrusion, coextrusion, or lamination.
  • the polymeric film is manufactured with a polymer preferably selected from the group comprising polyethylene, polypropylene, polyethylene terephthalate, polyamide, polystyrene copolymers, cellophane, polylactic acid, cellulose acetate, thermoplastic starch and its derivatives, and mixtures thereof.
  • the valve assembly ( 2 ) comprises two parts: the ring ( 3 ) and the breathable lid ( 4 ), which can be mechanically fitted and do not need using heat sealing technologies to close the flexible container's mouth ( 1 ), or additional operations in the manufacture of the bag.
  • the breathable lid ( 4 ) has fastening means to attach both parts to the flexible container ( 1 ) such that the film that forms the container's mouth is fixed between the two sides of the valve.
  • the embodiment illustrated in FIGS. 3 and 4 uses a pressure fitting ( 6 ).
  • FIGS. 3 and 4 also illustrate a rectangular channel ( 7 ) in the breathable lid ( 4 ) to facilitate release without moving parts of the pieces to be assembled by pressure ( 6 ).
  • the fastening means for attaching both parts of the valve assembly ( 2 ) to the flexible container ( 1 ) are an interference fit on the ring ( 3 ) and a breathable lid ( 4 ).
  • the breathable lid ( 4 ) it is desirable for the breathable lid ( 4 ) to have tapered sidewalls to facilitate assembly with the ring ( 3 ).
  • the interference fit is produced between an extension ( 8 ) of the breathable lid ( 4 ) and the corresponding cavity in the ring ( 3 ).
  • the preferred embodiment is a ring ( 3 ) and a breathable plug ( 4 ) of circular shape, it is possible to use other shapes, such as triangular or polygonal.
  • the ring ( 3 ) and breathable lid ( 4 ) of the valve assembly ( 2 ) may be manufactured by injection molding or press molding, using a polymer preferably from the group comprising thermoplastic polyurethane, vulcanized thermoplastic, thermoplastic elastomers, polyethylene, polypropylene, polyethylene terephthalate, polyamide, polystyrene copolymers, polylactic acid, cellulose acetate, thermoplastic starch and its derivatives, and mixtures thereof.
  • the ring ( 3 ) and breathable lid ( 4 ) of the valve assembly ( 2 ) are made of a material whose hardness should be less than the one that produces a mark on the fruit or vegetable.
  • the hardness for bananas must be less than 80 Shore A for bananas, preferably less than 60 Shore A, in order to ensure that the bananas are not damaged or dented by the valve.
  • the use of rounded contours is advantageous for this same reason.
  • the breathable lid ( 4 ) can be a plastic cover characterized by multiple micro or nanoperforations ( 5 ).
  • another embodiment of the present invention uses an annular section ( 9 ) that allows the installation of a permeable membrane ( 10 ) interspersed among the ring ( 3 ), the flexible container ( 1 ), and the annular section ( 9 ).
  • the permeable membrane ( 10 ) can be a cavitated, microperforated, or nanoperforated film.
  • the cavitation film may be manufactured using a cavitation load such as calcium carbonate.
  • the microperforated film may be manufactured using for example mechanical, laser, or electrostatic technology.
  • the present invention can use any type of breathable lid ( 4 ), even with the permeable membrane ( 10 ) interspersed between the ring ( 3 ) and the flexible container ( 1 ).
  • the annular section ( 9 ) of this embodiment is mechanically fitted to the ring ( 3 ) and the flexible container's mouth ( 1 ) for tensioning the permeable membrane ( 10 ).
  • the concentration of oxygen, water vapor, carbon dioxide, and ethylene can be controlled by the permeation of the breathable lid ( 4 ), and the weight and respiration rate of the packed perishable product.
  • the permeation of the breathable lid ( 4 ) is controlled by the number and size of micro and nanoperforations, in the case of the plastic cover and the micro and nanoperforated film, and by gas permeability, in the case of the cavitated film.
  • the flexible container is a bag made of a 30-microns thick polyethylene film with dimensions of 300 by 380 mm, a valve assemblage with an internal diameter of 32 mm with a plastic cover with 11 microperforations between 250 and 300 microns. Approximately 1.2 kg of bananas were packed and their green life at room temperature and cooled to 13° C. was evaluated.
  • the prototype of the disclosed packaging was then compared to the following technologies available in the state of the art: a 30-microns thick microperforated bag with 50 microperforations with a diameter of 200 microns, and a 30-microns thick macroperforated bag with 12 perforations with a diameter of 12.5 mm.
  • the packaging comprising a breathable valve increases green life, decreases weight loss, and reduces the conversion of starch in carbohydrates (measured as degrees Brix).
  • the flexible container is a bag made of a 30-microns thick polyethylene film with dimensions of 300 by 380 mm, a valve assemblage with an internal diameter of 32 mm with an annular section, and a mechanically microperforated film. Approximately 1.2 kg of bananas was packed and their green life cooled to 13° C. was evaluated.
  • the prototype of the disclosed packaging was compared to the technologies available in the state of the art mentioned in Example 1.
  • the packaging comprising a breathable valve increases green life, decreases weight loss, and reduces the conversion of starch in carbohydrates (measured as degrees Brix).
  • This example compares the evolution of oxygen and carbon dioxide concentration at 13° C. for two plastic covers with 11 and 18 perforations.
  • the same flexible container was used, the same valve assembly and the same number of bananas in Example 1.
  • the concentration of gases becomes regulated to a constant value that depends on the number of perforations.
  • breathable valve's materials An important characteristic of the breathable valve's materials is its hardness and contours, in that no damage is caused to the perishable product while packing.
  • This example evaluates the effect that the hardness and contours of the material of the packaging comprising a breathable valve has on the bananas.
  • the effect of 3.5 kg (approximately three bunches of green bananas) applied to the breathable valve and on the banana peel was evaluated.
  • Using a Shore A hardness of less than 80 and a valve with a rounded contour is essential to prevent the banana peel from denting.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packages (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Bag Frames (AREA)
  • Closures For Containers (AREA)
US14/352,728 2011-10-19 2012-10-19 Packaging comprising a breathable valve for perishable products Abandoned US20140251858A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CO11140033A CO6660073A1 (es) 2011-10-19 2011-10-19 Empaque con válvula respirable para productos perecederos
CO11-140.033 2011-10-19
PCT/IB2012/055765 WO2013057725A2 (es) 2011-10-19 2012-10-19 Empaque con válvula respirable para productos perecederos

Publications (1)

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US20140251858A1 true US20140251858A1 (en) 2014-09-11

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US14/352,728 Abandoned US20140251858A1 (en) 2011-10-19 2012-10-19 Packaging comprising a breathable valve for perishable products

Country Status (11)

Country Link
US (1) US20140251858A1 (zh)
EP (1) EP2769932A4 (zh)
JP (1) JP2014534128A (zh)
CN (1) CN104066658A (zh)
CO (1) CO6660073A1 (zh)
CR (1) CR20140174A (zh)
DO (1) DOP2014000080A (zh)
EC (1) ECSP14001706A (zh)
HK (2) HK1201503A1 (zh)
MX (1) MX2014004816A (zh)
WO (1) WO2013057725A2 (zh)

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US20150232225A1 (en) * 2012-09-20 2015-08-20 Markus Scheidt Archive Box
CN107600672A (zh) * 2017-10-13 2018-01-19 孙斐 一种可拆装气调袋的调气窗
US10648709B2 (en) 2015-10-23 2020-05-12 Mahle International Gmbh Heat exchanger for the temperature control of a battery
US10701968B2 (en) 2014-10-16 2020-07-07 Rai Strategic Holdings, Inc. Package for a tobacco-containing material with a valve assembly and related packaging method
US11006665B2 (en) 2014-10-16 2021-05-18 R.J. Reynolds Tobacco Company Package for a tobacco-containing material and related packaging method
TWI787100B (zh) * 2022-03-16 2022-12-11 王賢明 冷熱透氣蓋
US20230093768A1 (en) * 2021-03-11 2023-03-23 Sergio Fernando Grijalva Varillas Packaging for fruit and vegetables with antipathogen barrier and production method
US11957092B2 (en) 2017-12-27 2024-04-16 Fujifilm Corporation Agricultural container

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150232225A1 (en) * 2012-09-20 2015-08-20 Markus Scheidt Archive Box
US9487325B2 (en) * 2012-09-20 2016-11-08 Markus Scheidt Archive box
US10701968B2 (en) 2014-10-16 2020-07-07 Rai Strategic Holdings, Inc. Package for a tobacco-containing material with a valve assembly and related packaging method
US11006665B2 (en) 2014-10-16 2021-05-18 R.J. Reynolds Tobacco Company Package for a tobacco-containing material and related packaging method
US10648709B2 (en) 2015-10-23 2020-05-12 Mahle International Gmbh Heat exchanger for the temperature control of a battery
CN107600672A (zh) * 2017-10-13 2018-01-19 孙斐 一种可拆装气调袋的调气窗
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TWI787100B (zh) * 2022-03-16 2022-12-11 王賢明 冷熱透氣蓋

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DOP2014000080A (es) 2014-08-31
CO6660073A1 (es) 2013-04-30
WO2013057725A3 (es) 2013-06-13
HK1201503A1 (zh) 2015-09-04
EP2769932A2 (en) 2014-08-27
HK1202507A1 (zh) 2015-10-02
MX2014004816A (es) 2014-08-27
CN104066658A (zh) 2014-09-24
JP2014534128A (ja) 2014-12-18
WO2013057725A2 (es) 2013-04-25
EP2769932A4 (en) 2015-07-01
CR20140174A (es) 2014-09-09

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