CA3098487A1 - Heat-sealable paperboard structures and associated paperboard-based containers - Google Patents

Heat-sealable paperboard structures and associated paperboard-based containers Download PDF

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Publication number
CA3098487A1
CA3098487A1 CA3098487A CA3098487A CA3098487A1 CA 3098487 A1 CA3098487 A1 CA 3098487A1 CA 3098487 A CA3098487 A CA 3098487A CA 3098487 A CA3098487 A CA 3098487A CA 3098487 A1 CA3098487 A1 CA 3098487A1
Authority
CA
Canada
Prior art keywords
paperboard
barrier coating
pigment
coating layer
paperboard structure
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.)
Pending
Application number
CA3098487A
Other languages
English (en)
French (fr)
Inventor
Jiebin Pang
Natasha G. Melton
Steven Parker
Teresa Krug
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.)
WestRock MWV LLC
Original Assignee
WestRock MWV LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=66669016&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA3098487(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by WestRock MWV LLC filed Critical WestRock MWV LLC
Publication of CA3098487A1 publication Critical patent/CA3098487A1/en
Pending legal-status Critical Current

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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/28—Other details of walls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/12—Flanged discs permanently secured, e.g. by adhesives or by heat-sealing
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/82—Paper comprising more than one coating superposed
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/06—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially conical or frusto-conical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cartons (AREA)
CA3098487A 2018-04-27 2019-04-22 Heat-sealable paperboard structures and associated paperboard-based containers Pending CA3098487A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862663639P 2018-04-27 2018-04-27
US62/663,639 2018-04-27
PCT/US2019/028521 WO2019209720A1 (en) 2018-04-27 2019-04-22 Heat-sealable paperboard structures and associated paperboard-based containers

Publications (1)

Publication Number Publication Date
CA3098487A1 true CA3098487A1 (en) 2019-10-31

Family

ID=66669016

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3098487A Pending CA3098487A1 (en) 2018-04-27 2019-04-22 Heat-sealable paperboard structures and associated paperboard-based containers

Country Status (9)

Country Link
US (3) US11377251B2 (https=)
EP (2) EP3784833B1 (https=)
JP (1) JP2021522420A (https=)
CN (1) CN112352079A (https=)
BR (1) BR112020021027A2 (https=)
CA (1) CA3098487A1 (https=)
ES (1) ES2972129T3 (https=)
MX (1) MX2020010894A (https=)
WO (1) WO2019209720A1 (https=)

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US11578462B2 (en) 2018-04-27 2023-02-14 Westrock Mwv, Llc Anti-blocking high barrier paperboard structures
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WO2021145943A1 (en) * 2020-01-17 2021-07-22 Westrock Mwv, Llc Anti-blocking high barrier paperboard structures
WO2021150404A1 (en) * 2020-01-22 2021-07-29 Westrock Mwv, Llc Heat-sealable paperboard structures and methods
CN115427632A (zh) * 2020-03-04 2022-12-02 维实洛克Mwv有限责任公司 耐咖啡着色的纤维素结构及相关容器和方法
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US12168551B2 (en) 2021-03-01 2024-12-17 Ball Corporation Metal container and end closure with seal
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Also Published As

Publication number Publication date
EP3784833C0 (en) 2024-01-24
US11787592B2 (en) 2023-10-17
EP4328379A2 (en) 2024-02-28
US11377251B2 (en) 2022-07-05
JP2021522420A (ja) 2021-08-30
MX2020010894A (es) 2020-11-09
EP3784833A1 (en) 2021-03-03
US20230415949A1 (en) 2023-12-28
ES2972129T3 (es) 2024-06-11
CN112352079A (zh) 2021-02-09
BR112020021027A2 (pt) 2021-01-19
WO2019209720A1 (en) 2019-10-31
EP4328379A3 (en) 2024-04-24
EP3784833B1 (en) 2024-01-24
US20220297873A1 (en) 2022-09-22
US20190329929A1 (en) 2019-10-31

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