FIELD: packing.
SUBSTANCE: treatment method for container having fiber-based component includes treatment in autoclave reservoir, phases of thermal and cooling treatment of filled container and sealed container. At cooling phase, pressure is decreased in autoclave reservoir to the value less than pressure change, but corresponding to temperature decrease. In other words, pressure drop between pressure in reservoir and pressure in fiber is minimized; and preferably, it is maintained negative, thereby preventing moisture penetration to any bare surface.
EFFECT: prevents moisture penetration to any bare fiber surface.
11 cl, 3 dwg, 2 tbl
| Title | Year | Author | Number |
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SU1804431A3 |
