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1. WO2022207508 - A METHOD FOR PROVIDING A NON-UNIFORM BARRIER COATING ON A HOLLOW CONTAINER COMPRISING MOLDED PULP

Publication Number WO/2022/207508
Publication Date 06.10.2022
International Application No. PCT/EP2022/057990
International Filing Date 25.03.2022
IPC
D21H 27/10 2006.1
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
27Special paper not otherwise provided for, e.g. made by multi-step processes
10Packing paper
D21H 19/06 2006.1
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
19Coated paper; Coating material
02Metal coatings
06applied as liquid or powder
D21J 3/10 2006.1
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
JFIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MÂCHÉ
3Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
10of hollow bodies
B29D 22/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
22Producing hollow articles
B65D 1/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
1Rigid or semi-rigid 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 or by deep-drawing operations performed on sheet material
02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
B65D 23/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
23Details of bottles or jars not otherwise provided for
08Coverings or external coatings
CPC
B29D 22/003
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
22Producing hollow articles
003Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
B65D 1/0207
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
1Containers 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
02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
0207characterised by material, e.g. composition, physical features
B65D 23/02
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
23Details of bottles or jars not otherwise provided for
02Linings or internal coatings
B65D 23/0821
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
23Details of bottles or jars not otherwise provided for
08Coverings or external coatings
0807Coatings
0814characterised by the composition of the material
0821consisting mainly of polymeric materials
D21H 19/06
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP 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
19Coated paper
02Metal coatings
06applied as liquid or powder
D21H 27/10
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP 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
27Special paper not otherwise provided for, e.g. made by multi-step processes
10Packing paper
Applicants
  • BILLERUDKORSNÄS AB
Inventors
  • SANDBERG, Lars
  • BOISSARD, Yselaure
  • YAMADA, Shoko
Agents
  • KRANSELL & WENNBORG KB
Priority Data
21166394.331.03.2021EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A METHOD FOR PROVIDING A NON-UNIFORM BARRIER COATING ON A HOLLOW CONTAINER COMPRISING MOLDED PULP
(FR) PROCÉDÉ DE FOURNITURE D'UN REVÊTEMENT PROTECTEUR NON UNIFORME SUR UN RÉCIPIENT CREUX COMPRENANT UNE PÂTE MOULÉE
Abstract
(EN) The present disclosure generally relates to a method for providing a non-uniform barrier coating on a hollow container (100) comprising molded pulp. The method comprises depositing a polymeric powder on the interior container surface in at least one predetermined portion (105a-d) of the hollow container and subsequently treating the container with heat or irradiation. The present disclosure also relates to a hollow container (100) comprising a non-uniform polymeric powder coating.
(FR) La présente divulgation concerne de manière générale un procédé permettant de fournir un revêtement protecteur non uniforme sur un contenant creux (100) comprenant une pâte moulée. Le procédé comprend le dépôt d'une poudre polymère sur la surface interne du contenant dans au moins une partie prédéterminée (105a-d) du contenant creux et le traitement ultérieur du contenant par la chaleur ou l'irradiation. La présente divulgation concerne également un contenant creux (100) comprenant un revêtement en poudre polymère non uniforme.
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