Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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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
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5/00
Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
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B65D5/02
by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
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B65D5/06
with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
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B65D5/064
Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of the container
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B65D5/065
with supplemental means facilitating the opening, e.g. tear lines, tear tabs
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B65D5/065

Method of opening a package of pourable food product
09623996 · 2017-04-18 · ·

A reclosable opening device for a sealed package of a pourable food product includes a frame fitted about a pierceable portion of the package and defining a through pour opening; a removable threaded cap that screws onto the frame to close the pour opening; a tubular cutter engaging the pour opening and having a cutting device which cooperates with the pierceable portion to unseal the package; a first connector connecting the cap to the cutter, and which, as the cap is unscrewed, pushes the cutter towards the pierceable portion and a second connector connecting the frame to the cutter, and which, in use, feed the cutter along a predetermined piercing path through the pierceable portion in response to unscrewing of the cap; and the piercing path, as the cap is unscrewed, has a first portion of pure axial translation, followed by a second portion of both axial and rotary motion.