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1. WO2010003497 - THERMOPLASTIC TRAY

Publication Number WO/2010/003497
Publication Date 14.01.2010
International Application No. PCT/EP2009/004125
International Filing Date 08.06.2009
IPC
B65D 1/34 2006.01
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
34Trays or like shallow containers
B65D 81/20 2006.01
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
81Containers, 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
18providing specific environment for contents, e.g. temperature above or below ambient
20under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
CPC
B65D 1/34
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
34Trays or like shallow containers
B65D 81/2069
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
81Containers, 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
18providing specific environment for contents, e.g. temperature above or below ambient
20under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
2069in a special atmosphere
Applicants
  • CRYOVAC, INC. [US]/[US] (AllExceptUS)
  • FIELD, Morris, John [GB]/[GB] (UsOnly)
  • CAPITANI, Stefano [IT]/[IT] (UsOnly)
  • CHRYSANTHIDIS, Christoforos [GR]/[IT] (UsOnly)
Inventors
  • FIELD, Morris, John
  • CAPITANI, Stefano
  • CHRYSANTHIDIS, Christoforos
Agents
  • FRAIRE, Cristina
Priority Data
08010965.517.06.2008EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) THERMOPLASTIC TRAY
(FR) PLATEAU THERMOPLASTIQUE
Abstract
(EN)
A solid thermoformed plastic tray (10) provided with a base (11), a plurality of sidewalls (12, 13, 14, 15) extending upwardly and slightly outwardly from said base (11), a primary flange (20) integrally joined to the upper edges of the sidewalls (12, 13, 14, 15) and extending outwardly all around the upper periphery of the sidewalls (12, 13, 14, 15), a rim (21), i.e., a downward flap extending downwardly and tapering slightly outwardly from the outer periphery of the primary flange (20), and a secondary flange (22), i.e., an overhanging portion extending outwardly from the lower edge of the rim (21), said tray being characterised in that a plurality of strengthening ribs (23) extend substantially vertically along the rim (21) and outwardly with respect to the tray body. The trays (10) according to the present invention have an improved rigidity and improved resistance to deformation and bending, improvements that have been achieved without increasing the amount of plastic material used for the manufacture of the tray (10) but relying only on a specific geometry thereof.
(FR)
Un plateau de plastique thermoformé solide (10) comprend une base (11), une pluralité de parois latérales (12, 13, 14, 15) s'étendant vers le haut et légèrement vers l'extérieur depuis ladite base (11), un rebord principal (20) relié d’une seule pièce aux arêtes supérieures des parois latérales (12, 13, 14, 15) et s’étendant vers l’extérieur tout autour de la périphérie supérieure des parois latérales (12, 13, 14, 15), un bord (21), c’est-à-dire un rabat s’étendant vers le bas et s’effilant légèrement vers l’extérieur depuis la périphérie externe du rebord principal (20), et un rebord secondaire (22), c’est-à-dire une partie en saillie s’étendant vers l’extérieur depuis l’arête inférieure du bord (21). Ledit plateau est caractérisé en ce qu'une pluralité de nervures de renforcement (23) s'étend sensiblement verticalement le long du bord (21) et vers l'extérieur par rapport au corps du plateau. Les plateaux (10) selon la présente invention présentent une rigidité améliorée et une résistance améliorée à la déformation et à la flexion, des améliorations qui ont été obtenues sans augmenter la quantité de plastique utilisée pour la fabrication du plateau (10), mais en comptant seulement sur une géométrie spécifique de celui-ci.
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