Heat sealed, ovenable food cartons and lids

Details Heat sealed, ovenable food cartons and lids Heat sealed, ovenable food cartons and lids

B - Operations, Transporting

65

D

B65D 81/34 (2006.01) B65D 5/56 (2006.01) B65D 5/62 (2006.01) B65D 77/20 (2006.01) D21H 19/84 (2006.01) D21H 19/20 (2006.01) D21H 19/40 (2006.01) D21H 19/42 (2006.01) D21H 19/82 (2006.01) D21H 21/54 (2006.01) D21H 27/10 (2006.01)

Patent

CA 2245138

This invention relates to paperboard packages or cartons suitable for distributing, marketing and heating prepared food products. Such structures of this type, generally, include a coating which is mass stable below 204°C (400°F), has chloroform-soluble extractives not exceeding 0.5 mg/2.54 cm2 (0.5 mg/in.2) of a food contact surface when exposed to a food simulating solvent of 65.6°C (150°F) for two hours and is flexible enough to withstand conventional scoring in a cross-direction with a 0.05 cm (2 point) male rule and a 0.16 cm (0.062 inch) channel while sustaining a crack length ratio of no greater than 0.1 and exhibits resistance to blocking when stacked under a load at ambient conditions of 0.23 kg/2.54 cm2 (.5 lbs/sq. in) or greater.

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