WO2024025933A1 - Plateau en fibres moulées - Google Patents

Plateau en fibres moulées Download PDF

Info

Publication number
WO2024025933A1
WO2024025933A1 PCT/US2023/028666 US2023028666W WO2024025933A1 WO 2024025933 A1 WO2024025933 A1 WO 2024025933A1 US 2023028666 W US2023028666 W US 2023028666W WO 2024025933 A1 WO2024025933 A1 WO 2024025933A1
Authority
WO
WIPO (PCT)
Prior art keywords
molded fiber
barrier
geometric pattern
fiber tray
barrier layer
Prior art date
Application number
PCT/US2023/028666
Other languages
English (en)
Inventor
Anne Nixon
Romeo Graham
Original Assignee
Eco.Logic Brands Inc.
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 Eco.Logic Brands Inc. filed Critical Eco.Logic Brands Inc.
Publication of WO2024025933A1 publication Critical patent/WO2024025933A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes

Definitions

  • This disclosure relates to packaging and in particular, to molded fiber trays.
  • a molded fiber tray includes a base, a sidewall extending from the base to form a content holding structure, an edge extending from the sidewall configured for holding the molded fiber tray, and a barrier layer formed on an internal surface of the base, the sidewall, and the edge, the barrier layer configured to be substantially chemically inert with respect to contents in the content holding structure
  • FIG. 1 is a perspective view of an example molded fiber tray in accordance with implementations .
  • FIGS. 2A-C are top, side, and another side views of the example molded fiber tray of FIG. 1 in accordance with implementations.
  • FIG. 3 is a perspective view of an example molded fiber tray in accordance with implementations .
  • FIGS. 4A-C are top, side, and another side views of the example molded fiber tray of FTG. 3 in accordance with implementations.
  • FIG. 5 is a perspective view of an example molded fiber tray in accordance with implementations .
  • FIG. 5A is an exploded view of the example molded fiber tray of FIG. 5 in accordance with implementations.
  • FIGS. 6A-C are top, side, and another side views of the example molded fiber tray of FIG. 5 in accordance with implementations.
  • FIG 7 is a cross-sectional view taken along A-A of the example molded fiber tray of FIG. 6 A in accordance with implementations.
  • FIG 8 is a cross-sectional view taken along C-C of the example molded fiber tray of FIG. 6 A in accordance with implementations.
  • FIG. 9 is a method for forming a molded fiber tray in accordance with implementations.
  • first, second, third, etc. may be used herein to describe various elements, steps or aspects, these elements, steps, or aspects should not be limited by these terms. These terms may be only used to distinguish one element or aspect from another. Thus, terms such as “first,” “second,” and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, step, component, region, layer, or section discussed below could be termed a second element, step, component, region, layer, or section without departing from the teachings of the disclosure.
  • the molded fiber trays described herein can be manufactured using combinations of injection molding (IM), in-mold labeling (IML), die cutting, compression blow molding, thermoform molding, and the like processing (collectively “structure forming process”) to form a molded fiber tray and the like.
  • IM injection molding
  • IML in-mold labeling
  • structure forming process thermoform molding
  • the molded fiber tray can be configured to contain foodstuffs, meat, liquid, concentrated liquid, powder, granules, dry content or materials, or non-dry content or materials, for example.
  • the molded fiber tray can be made using the structure forming processes from sustainable materials, recyclable materials, biodegradable materials, bio-based resins, weight-optimized biodegradable plastic, molded fiber, molded paper, molded pulp, fiber, paper, pulp, paperboard, pressed pulp, fiber based, pressed fiber, paper, starch, cellulose, biodegradable resins such as Polylactic acid (PLA), Polyhydroxyalkanoates (PHA), Polyhydroxybutyrate (PHB), Polyethylene Furanoate (PEF), and combinations thereof (collectively “structure forming materials”).
  • PHA Polylactic acid
  • PHA Polyhydroxyalkanoates
  • PHB Polyhydroxybutyrate
  • PEF Polyethylene Furanoate
  • the molded fiber trays can efficiently use recyclable, biodegradable, and the like structure forming materials for improved sustainability.
  • the molded fiber trays are environmentally friendly, compostable, and recyclable.
  • the molded fiber tray can include a barrier layer or film on an internal or inside surface, where the barrier layer is impervious or substantially impervious to the content or material in the molded fiber tray and/or chemically inert or substantially chemically inert with respect to the content or material in the molded fiber tray.
  • the molded fiber tray can include an integrated or integrally formed barrier layer or film.
  • the barrier layer can include one or more of a vapor barrier, a liquid barrier, an oxygen barrier, a moisture barrier, a grease barrier, a gas barrier, an oil barrier, and other barrier relevant to the content or material in the molded fiber tray.
  • the oxygen barrier, the moisture barrier, the grease barrier, the gas barrier, the oil barrier, and the other barrier can be integral to or integrated with the molded fiber tray. In some implementations, the oxygen barrier, the moisture barrier, the grease barrier, the gas barrier, the oil barrier, and the other barrier can be separate layers formed on the internal or inside surface of the molded fiber tray.
  • the molded fiber tray can include a barrier layer or film on an external or outer surface of the molded fiber tray.
  • the barrier layer is as described herein.
  • the molded fiber trays can be laminated or coated on the internal or inside surface, the external or outer surface, or both with one or more barrier materials or layers.
  • the molded fiber trays can be molded into a variety of shapes, including but not limited to, oval, round, and/or rectangular shapes using the described and/or disclosed materials.
  • the molded fiber trays can include a tessellated pattern on a base to prevent hinging and bending.
  • the molded fiber trays can be stackable and nestable during shipping to a content dispensing location.
  • FIG. 1 is a perspective view of an example molded fiber tray 1000 in accordance with implementations.
  • FIGS. 2A-C are top, side, and another side views of the example molded fiber tray 1000 of FIG. 1 in accordance with implementations.
  • the molded fiber tray 1000 is made from the structure forming materials using the structure forming processes.
  • the molded fiber tray 1000 includes a base 1100, a sidewall 1200 angularly extending from the base 1100 to form a contents placement and/or holding structure 1300, and an edge 1400 angularly extending from the sidewall 1200.
  • the edge 1400 can be used for holding the molded fiber tray 1000, attaching a lid to the molded fiber tray 1000, attaching stretch wrap or other sealing materials to the molded fiber tray 1000, and/or combinations thereof.
  • a barrier layer 1500 can be laminated, coated, and/or otherwise formed on an internal surface 1110 of the base 1100, the sidewall 1200, and the edge 1400. In some implementations, the barrier layer 1500 can be integrally formed on the base 1100, the sidewall 1200, and the edge 1400. The barrier layer 1500 can prevent or substantially prevent fiber to food contact. In some implementations, the barrier layer 1500 can keep or substantially keep the molded fiber tray 1000 from absorbing liquid from the contents in the contents placement and/or holding structure 1300.
  • a barrier layer 1600 can be laminated, coated, and/or otherwise formed on an external surface 1120 of the base 1100, the sidewall 1200, and the edge 1400. Tn some implementations, the barrier layer 1600 can be integrally formed on the base 1100, the sidewall 1200, and the edge 1400. In some implementations, the barrier layer 1600 can keep or substantially keep the molded fiber tray 1000 from absorbing liquid due to moisture wicking or condensation when stretch wrap or a lid is placed on the molded fiber tray 1000. For example, moisture can travel along the stretch wrap and/or lid and otherwise soak into the external surface 1120 of the base 1100 of the molded fiber tray 1000.
  • FIG. 3 is a perspective view of an example molded fiber tray 3000 in accordance with implementations.
  • FIGS. 4A-C are top, side, and another side views of the example molded fiber tray 3000 of FIG. 3 in accordance with implementations.
  • the molded fiber tray 3000 is made from the structure forming materials using the structure forming processes.
  • the molded fiber tray 3000 includes a base 3100, a sidewall 3200 angularly extending from the base 3100 to form a contents placement and/or holding structure 3300, and an edge 3400 angularly extending from the sidewall 3200.
  • the edge 3400 can be used for holding the molded fiber tray 3000, attaching a lid to the molded fiber tray 3000, attaching stretch wrap or other sealing materials to the molded fiber tray 3000, and/or combinations thereof.
  • a barrier layer 3500 can be laminated, coated, and/or otherwise formed on an internal surface 3110 of the base 3100, the sidewall 3200, and the edge 3400.
  • the barrier layer 3500 can be integrally formed on the base 3100, the sidewall 3200, and the edge 3400.
  • the barrier layer 3500 can prevent or substantially prevent fiber to food contact.
  • the barrier layer 3500 can keep or substantially keep the molded fiber tray 3000 from absorbing liquid from the contents in the contents placement and/or holding structure 3300.
  • a barrier layer 3600 can be laminated, coated, and/or otherwise formed on an external surface 3120 of the base 3100, the sidewall 3200, and the edge 3400.
  • the barrier layer 3600 can be integrally formed on the base 3100, the sidewall 3200, and the edge 3400.
  • the barrier layer 3600 can keep or substantially keep the molded fiber tray 3000 from absorbing liquid due to moisture wicking or condensation when stretch wrap or a lid is placed on the molded fiber tray 3000. For example, moisture can travel along the stretch wrap and/or lid and otherwise soak into the external surface 3120 of the base 3100 of the molded fiber tray 3000.
  • the base 3100 has a geometric pattern 3130 for reinforcement of the molded fiber tray 3000 structure.
  • the geometric pattern 3130 is suitable or substantially suitable for use of structure forming processes and for integration and/or application of the barrier layer 3500, the barrier layer 3600, and/or combinations thereof.
  • the geometric pattern 3130 prevents or substantially prevents hinging, bending, buckling, and/or collapsing of the molded fiber tray 3000 as the geometric pattern 3130 interrupts or substantially interrupts fold lines in the molded fiber tray 3000.
  • some users of the molded fiber tray 3000 use one hand to hold the molded fiber tray 3000 while it contains the contents, creating a large, cantilevered load. These loads are larger than typical food senrice applications.
  • the molded fiber tray 3000 is suitable for such uses.
  • the molded fiber tray 3000 is suitable to withstand or substantially withstand collapsing or buckling when the molded fiber tray 3000 is covered with stretch wrap after being filled with contents such as meat.
  • the geometric pattern 3130 prevents or substantially prevents a liquid portion of contents from a solid portion of the contents.
  • meat is substantially kept above the juice that can drip off the meat.
  • the geometric pattern 3130 is a tessellated geometric pattern. In some implementations, the geometric pattern 3130 is a tessellated hexagonal geometric pattern. In some implementations, the geometric pattern 3130 is a tessellated polygon geometric pattern. In some implementations, the geometric pattern 3130 is a three-dimensional (3-D) geometric pattern. In some implementations, the geometric pattern 3130 is a tessellated 3-D geometric pattern. In some implementations, the geometric pattern 3130 is a tessellated hexagonal 3-D geometric pattern. In some implementations, the geometric pattern 3130 is a tessellated polygon 3-D geometric pattern.
  • FIG. 5 is a perspective view of an example molded fiber tray 5000 in accordance with implementations.
  • FIG. 5A is an exploded view of the example molded fiber tray 5000 of FIG. 5 in accordance with implementations.
  • FIGS. 6A-C are top, side, and another side views of the example molded fiber tray 5000 of FIG. 5 in accordance with implementations.
  • FIG 7 is a cross-sectional view taken along A-A of the example molded fiber tray 5000 of FIG. 6A in accordance with implementations.
  • FIG 8 is a cross-sectional view taken along C-C of the example molded fiber tray 5000 of FIG. 6A in accordance with implementations.
  • the molded fiber tray 5000 is made from the structure forming materials using the structure forming processes.
  • the molded fiber tray 5000 includes a base 5100, a sidewall 5200 angularly extending from the base 5100 to form a contents placement and/or holding structure 5300, and an edge 5400 angularly extending from the sidewall 5200.
  • the edge 5400 can be used for holding the molded fiber tray 5000, attaching a lid to the molded fiber tray 5000, attaching stretch wrap or other sealing materials to the molded fiber tray 5000, and/or combinations thereof.
  • a barrier layer 5500 can be laminated, coated, and/or otherwise formed on an internal surface 5110 of the base 5100, the sidewall 5200, and the edge 5400.
  • the barrier layer 5500 can be integrally formed on the base 5100, the sidewall 5200, and the edge 5400.
  • the barrier layer 5500 can prevent or substantially prevent fiber to food contact.
  • the barrier layer 5500 can keep or substantially keep the molded fiber tray 5000 from absorbing liquid from the contents in the contents placement and/or holding structure 5300.
  • a barrier layer 5600 can be laminated, coated, and/or otherwise formed on an external surface 5120 of the base 5100, the sidewall 5200, and the edge 5400.
  • the barrier layer 5600 can be integrally formed on the base 5100, the sidewall 5200, and the edge 5400.
  • the barrier layer 5600 can keep or substantially keep the molded fiber tray 5000 from absorbing liquid due to moisture wicking or condensation when stretch wrap or a lid is placed on the molded fiber tray 5000. For example, moisture can travel along the stretch wrap and/or lid and otherwise soak into the external surface 5120 of the base 5100 of the molded fiber tray 5000.
  • the base 5100 has a geometric pattern 5130 for reinforcement of the molded fiber tray 5000 structure.
  • the geometric pattern 5130 is suitable or substantially suitable for use of structure forming processes and for integration and/or application of the barrier layer 5500, the barrier layer 5600, and/or combinations thereof.
  • the geometric pattern 5130 prevents or substantially prevents hinging, bending, buckling, and/or collapsing of the molded fiber tray 5000 as the geometric pattern 5130 interrupts or substantially interrupts fold lines in the molded fiber tray 5000.
  • some users of the molded fiber tray 5000 use one hand to hold the molded fiber tray 5000 while it contains the contents, creating a large, cantilevered load. These loads are larger than typical food service applications.
  • the molded fiber tray 5000 is suitable for sucb uses. Tn some implementations, the molded fiber tray 5000 is suitable to withstand or substantially withstand collapsing or buckling when the molded fiber tray 5000 is covered with stretch wrap after being filled with contents such as meat.
  • the geometric pattern 5130 prevents or substantially prevents a liquid portion of contents from a solid portion of the contents. For example, meat is substantially kept above the juice that can drip off the meat.
  • the geometric pattern 5130 is a tessellated geometric pattern. In some implementations, the geometric pattern 5130 is a tessellated hexagonal geometric pattern. In some implementations, the geometric pattern 5130 is a tessellated polygon geometric pattern. In some implementations, the geometric pattern 5130 is a three-dimensional (3-D) geometric pattern. In some implementations, the geometric pattern 5130 is a tessellated 3-D geometric pattern. In some implementations, the geometric pattern 5130 is a tessellated hexagonal 3-D geometric pattern. In some implementations, the geometric pattern 5130 is a tessellated polygon 3-D geometric pattern. In implementations, the geometric pattern 5130 can include a plurality of geometric sub-pattems 5132.
  • the geometric pattern 5130 and each geometric sub-pattem 5132 can be defined via dimensions, X, Y, and Z as shown in FIG. 5A, where X is a defined width of a geometric sub-pattern 5132, Y is a defined space between adjacent geometric sub-pattems 5132, and Z is a radial or curvature of a geometric sub-pattem 5132.
  • the sidewall 5200 has a step 5210.
  • the step 5210 can add stiffness to the molded fiber tray 5000.
  • step 5210 can allow multiple molded fiber trays 5000 to be singulated from a stack.
  • FIG. 9 is a method 9000 for forming a molded fiber tray in accordance with implementations.
  • the method 9000 includes: forming 9100 a molded fiber tray from structure forming materials using a structure forming process; and forming 9200 a barrier layer on an internal surface of the molded fiber tray which is substantially chemically inert with respect to contents in the molded fiber tray.
  • the method 9000 includes forming 9100 a molded fiber tray from structure forming materials using a structure forming process.
  • the molded fiber tray includes a base, a sidewall extending from the base to form a content holding structure, and an edge extending from the sidewall configured for holding the molded fiber tray.
  • the base can be formed with a geometric pattern.
  • the method 9000 includes forming 9200 a barrier layer on an internal surface of the molded fiber tray which is substantially chemically inert with respect to contents in the molded fiber tray.
  • the barrier layer is formed on an internal surface of the base, the sidewall, and the edge of the molded fiber tray.
  • the barrier layer is configured to be substantially chemically inert with respect to contents in a content holding structure of the molded fiber tray.
  • a second barrier layer can be formed on an external surface of the molded fiber tray.
  • a molded fiber tray includes a base, a sidewall extending from the base to form a content holding structure, an edge extending from the sidewall configured for holding the molded fiber tray, and a barrier layer formed on an internal surface of the base, the sidewall, and the edge, the barrier layer configured to be substantially chemically inert with respect to contents in the content holding structure.
  • the molded fiber tray further includes another barrier layer formed on an external surface of the base, the sidewall, and the edge, the another barrier layer configured to substantially prevent moisture, condensation, or liquid from absorbing into the molded fiber tray.
  • the barrier layer includes at least one of a vapor barrier, a moisture barrier, a grease barrier, a gas barrier, or an oil barrier.
  • the barrier layer and the another barrier layer includes at least one of a vapor barrier, a moisture barrier, a grease barrier, a gas barrier, or an oil barrier.
  • the base includes a geometric pattern.
  • the geometric pattern is at least one of a tessellated geometric pattern, a tessellated hexagonal geometric pattern, a tessellated polygon geometric pattern, a three- dimensional (3-D) geometric pattern, a tessellated 3-D geometric pattern, a tessellated hexagonal 3-D geometric pattern, or a tessellated polygon 3-D geometric pattern.
  • the geometric pattern comprises a plurality of geometric sub-patterns.
  • the sidewall includes a step.
  • the molded fiber tray is comprised of at least one of sustainable materials, recyclable materials, biodegradable materials, bio-based resins, weight-optimized biodegradable plastic, molded fiber, molded paper, molded pulp, fiber, paper, pulp, paperboard, pressed pulp, fiber based, pressed fiber, paper, starch, cellulose, biodegradable resins such as Polylactic acid (PLA), Polyhydroxyalkanoates (PHA), Polyhydroxybutyrate (PHB), Polyethylene Furanoate (PEF).
  • PVA Polylactic acid
  • PHA Polyhydroxyalkanoates
  • PHB Polyhydroxybutyrate
  • PEF Polyethylene Furanoate
  • a method includes forming a molded fiber tray from structure forming materials using a structure forming process, wherein the molded fiber tray includes a base, a sidewall extending from the base to form a content holding structure, and an edge extending from the sidewall configured for holding the molded fiber tray, and forming a barrier layer on an internal surface of the base, the sidewall, and the edge, the barrier layer configured to be substantially chemically inert with respect to contents in the content holding structure.
  • the method further includes forming another barrier layer on an external surface of the base, the sidewall, and the edge, the another barrier layer configured to substantially prevent moisture, condensation, or liquid from absorbing into the molded fiber tray.
  • the barrier layer includes at least one of a vapor barrier, a moisture barrier, a grease barrier, a gas barrier, or an oil barrier.
  • the barrier layer and the another barrier layer includes at least one of a vapor barrier, a moisture barrier, a grease barrier, a gas barrier, or an oil barrier.
  • the forming a molded fiber tray further includes forming a geometric pattern on the base.
  • the geometric pattern is at least one of a tessellated geometric pattern, a tessellated hexagonal geometric pattern, a tessellated polygon geometric pattern, a three-dimensional (3-D) geometric pattern, a tessellated 3-D geometric pattern, a tessellated hexagonal 3-D geometric pattern, or a tessellated polygon 3-D geometric pattern.
  • the sidewall includes a step.
  • the structure forming materials is at least one of sustainable materials, recyclable materials, biodegradable materials, bio-based resins, weight-optimized biodegradable plastic, molded fiber, molded paper, molded pulp, fiber, paper, pulp, paperboard, pressed pulp, fiber based, pressed fiber, paper, starch, cellulose, biodegradable resins such as Polylactic acid (PLA), Polyhydroxyalkanoates (PHA), Poly hydroxybutyrate (PHB), Polyethylene Furanoate (PEF).
  • PHA Polylactic acid
  • PHA Polyhydroxyalkanoates
  • PHB Poly hydroxybutyrate
  • PEF Polyethylene Furanoate

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

L'invention concerne des plateaux en fibres moulées. Un plateau en fibres moulées comprend une base, une paroi latérale s'étendant à partir de la base pour former une structure de retenue de contenu, un bord s'étendant à partir de la paroi latérale conçu pour retenir le plateau en fibres moulées, et une couche barrière formée sur une surface interne de la base, de la paroi latérale et du bord. La couche barrière est conçue pour être sensiblement inerte chimiquement par rapport à des contenus dans la structure de retenue de contenu. La base peut comprendre un motif géométrique. La paroi latérale peut comprendre un décrochement.
PCT/US2023/028666 2022-07-29 2023-07-26 Plateau en fibres moulées WO2024025933A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263393613P 2022-07-29 2022-07-29
US63/393,613 2022-07-29

Publications (1)

Publication Number Publication Date
WO2024025933A1 true WO2024025933A1 (fr) 2024-02-01

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Family Applications (1)

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PCT/US2023/028666 WO2024025933A1 (fr) 2022-07-29 2023-07-26 Plateau en fibres moulées

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100189848A1 (en) * 2006-10-05 2010-07-29 Mabry Ronald D Food packaging system for extended shelf life
US20160347041A1 (en) * 2015-05-29 2016-12-01 Cj Cheiljedang Corporation Oil and water absorbent food packing material, method for manufacturing the same and tray using the same
US20200208353A1 (en) * 2016-07-26 2020-07-02 Footprint International, LLC Methods, Apparatus, and Chemical Compositions for Selectively Coating Fiber-Based Food Containers
US20210114779A1 (en) * 2019-10-21 2021-04-22 Zume, Inc. Food containers having locking interfaces
WO2022072555A1 (fr) * 2020-09-29 2022-04-07 Zume, Inc. Moules poreux pour fabriquer des parties en fibres moulées et leur procédé de fabrication additive

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100189848A1 (en) * 2006-10-05 2010-07-29 Mabry Ronald D Food packaging system for extended shelf life
US20160347041A1 (en) * 2015-05-29 2016-12-01 Cj Cheiljedang Corporation Oil and water absorbent food packing material, method for manufacturing the same and tray using the same
US20200208353A1 (en) * 2016-07-26 2020-07-02 Footprint International, LLC Methods, Apparatus, and Chemical Compositions for Selectively Coating Fiber-Based Food Containers
US20210114779A1 (en) * 2019-10-21 2021-04-22 Zume, Inc. Food containers having locking interfaces
WO2022072555A1 (fr) * 2020-09-29 2022-04-07 Zume, Inc. Moules poreux pour fabriquer des parties en fibres moulées et leur procédé de fabrication additive

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