Method for forming bamboo paper containers and bamboo paper containers

Abstract

This invention provides a processing technology that is more suitable for bamboo paper blanks when manufacturing bamboo paper containers by deep drawing bamboo paper blanks with a hot press. [Solution] A bamboo paper container is manufactured by shaping a bamboo paper blank into a convex mold and a concave mold. At this time, the convex mold is heated to a first temperature selected from the range of 70 to 130°C, and the concave mold is heated to a second temperature selected from the range of 150 to 250°C.

Claims

1. A preparation step for preparing a convex mold containing a first heater, a first temperature sensor for measuring the temperature of the convex mold, a first temperature control unit for controlling the amount of power supplied to the first heater so that the temperature detected by the first temperature sensor is a predetermined first temperature, a concave mold containing a second heater, a second temperature sensor for measuring the temperature of the concave mold, a second temperature control unit for controlling the amount of power supplied to the second heater so that the temperature detected by the second temperature sensor is a predetermined second temperature, a movable press machine for moving the convex mold relative to the concave mold, and a bamboo paper blank formed by punching out bamboo paper, A heating step of heating the convex mold to a first temperature selected from the range of 70 to 130°C, and heating the concave mold to a second temperature selected from the range of 150 to 250°C, A method for forming a bamboo paper container, comprising: a heat pressing step of shaping the bamboo paper blank into a predetermined shape by arranging the bamboo paper blank between the convex mold and the concave mold, bringing the bamboo paper blank into contact with the convex mold, and then bringing the bamboo paper blank into contact with the concave mold, The bamboo paper blank prepared in the above preparation step has a polyolefin resin layer attached to one side. A method for forming a bamboo paper container, wherein in the hot pressing step, the resin layer is positioned on the convex side and the concave side, and the container is placed between the convex and concave molds.

2. A method for forming a bamboo paper container according to claim 1, A method for molding a bamboo paper container, wherein the molding time in the aforementioned hot pressing process is set to a range of 2.0 to 6.0 seconds.

3. A bamboo paper container manufactured by the method for molding a bamboo paper container according to claim 1 or claim 2.

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