Method for producing food filled and sealed container
AssigneesKabushiki Kaisha Yakult Honsha, Shikoku Kakoki Co., Ltd.
InventorsTakeshi Iseki, Masakatsu Kondo, Masao Kubo, Tomoyuki Masuda
Life of this patent
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Abstract
It is a method for producing a food-filled and sealed container having a high product value, in which a container lid made of resin is not deformed after sealing. In this method for producing a food-filled and sealed container, after a food is filled in a container body (10) made of thermoplastic resin, the container is sealed by heat sealing a container lid (20) made of thermoplastic resin, and the container body (10) and/or the container lid (20) have sealing surfaces (13, 24) provided with a concavity or convexity.
Claims6
A method for producing a food-filled and sealed container, comprising filling food in a container body made of polystyrene-based resin, and thereafter heat sealing a polystyrene-based resin container lid to the container body by pressing a central part of an inner side of the container lid, the container lid having a concavity or convexity on the sealing surface and gaps in the concavity or convexity which are in communication with the interior and exterior of the container when the container lid is on the container.
Dependencies are inferred from the claim text.