Packing inside bag for viscous material

Details Packing inside bag for viscous material Packing inside bag for viscous material

1986-02-11

1987-11-03

Marcus, Stephen

Flexible bags

Wall details

Pleated or gusseted

383122, 383 66, 220408, 220410, B65D 3020

Patent

active

047047313

ABSTRACT:
The present invention provides a packing inside bag for a semisolid viscous material which is constructed by folding one rectangular blank sheet an inner surface of which has release properties, said inside bag being characterized by comprising a rectangular bottom surface 1 formed so as to fit to an outside box, and a front wall 3, a rear wall 3a and pairs of side walls (8, 8a and 9, 9a) which are uprightly raised along the four side edges of said bottom surface 1, said inside box being constructed by folding said blank sheet so that first lugs A, A' extending uprightly along the centers of said side walls may be put on said opposite side walls, and so that second lugs B, B' may be formed which are composed of irregular quadrilaterals extending outward via folds 4, 5 in parallel with said bottom surface from the opposite side edges thereof, said irregular quadrilaterals being formed by putting triangle portions D, D' on extensions C, C' of said first lugs A, A'.

REFERENCES:
patent: 2092858 (1937-09-01), Richard
patent: 2169638 (1939-08-01), Gilfillan
patent: 2392206 (1946-01-01), Waters
patent: 2406791 (1946-09-01), Belcher
patent: 3041941 (1962-07-01), Danielzig
patent: 3144188 (1964-08-01), Gallistel
patent: 3317117 (1967-05-01), Goodwin
patent: 3822037 (1974-07-01), Long
patent: 4082216 (1978-04-01), Clarke
patent: 4189089 (1980-02-01), Langen et al.
patent: 4428499 (1984-01-01), Nauheimer

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