Fibreboard sheet and blank and method for producing same

Details Fibreboard sheet and blank and method for producing same Fibreboard sheet and blank and method for producing same

1988-07-08

1990-03-06

Elkins, Gary

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220416, 229DIG2, 229DIG4, B65D 556

Patent

active

049058649

ABSTRACT:
A fibreboard sheet made of corrugated or solid fibreboard for the preparation of blanks for fibreboard articles having, in integral layout, at least two sections having different thicknesses. A blank for a fibreboard container is also provided. The blank consists of, in integral layout, at least two side panels and two end panels, with the panels being designed to constitute the vertical walls of the fibreboard container when assembled, and at least two flaps, designed to constitute at least one surface of the container when assembled. The thickness of the fibreboard structure of the panels is greater than the thickness of the fibreboard structure of at least the major portion of the flaps. A method for producing a fibreboard sheet of corrugated fibreboard is also described.

REFERENCES:
patent: 1912698 (1933-06-01), Forsman
patent: 2075679 (1937-03-01), Weber
patent: 2317773 (1943-04-01), Kavanaugh
patent: 2324757 (1943-07-01), Botley
patent: 2330294 (1943-09-01), Leavitt et al.
patent: 2710134 (1955-06-01), Schroeder et al.
patent: 2857091 (1958-10-01), Enzie
patent: 3361326 (1968-01-01), Croley et al.
patent: 4177936 (1979-12-01), Ford, Jr. et al.

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