Rectangular inner bag for loading into cylindrical container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 25/16 (2006.01) B31B 29/00 (2006.01)

Patent

CA 2219083

An inexpensive inner bag loaded into a cylindrical container such as a drum. The inner bag has excellent airtightness and facilitates transferring the inner bag to a separate container. The inner bag comprises two hexagonal first sheets (7) and two pentagonal second sheets (9). Each first sheet (7) has a pair of opposite sides (3a, 3b) extending extending longitudinally and a trapezoidal portion (5a) formed around one longitudinal end (11c) of the sheet (7). Each second sheet (9) has a pair of opposite sides extending longitudinally and a triangular portion (5b) formed around one longitudinal end (11d) of the sheet (9). The first (7) and second (9) sheets are placed in an opposite relation to each other. The peripheries of the first (7) and second (9) sheets, excluding the other ends (13a, 13b), are bonded together by heatsealing.

Sac intérieur bon marché placé dans un contenant cylindrique comme un fût. Le sac intérieur possède une excellente étanchéité et facilite le transfert à un différent contenant. Le sac intérieur comprend deux premières feuilles hexagonales (7) et deux deuxièmes feuilles pentagonales (9). Chaque première feuille (7) comporte deux côtés opposés (3a, 3b) se prolongeant dans le sens de la longueur et une partie trapézoïdale (5a) formée autour d'une extrémité longitudinale (11c) de la feuille (7). Chaque deuxième feuille (9) comporte deux côtés opposés se prolongeant dans le sens de la longueur et une partie triangulaire (5b) formée autour d'une extrémité longitudinale (11d) de la feuille (9). La première (7) et la deuxième feuille (9) sont placées en relation opposée l'une par rapport à l'autre. Les périphéries de la première (7) et de la deuxième feuille (9), sauf les autres extrémités (13a, 13b), sont liées ensemble par thermoscellage.

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