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Library ／ Containers & Packaging ／ Easy-open container, manufacturing method thereof and manufacturing device thereof
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Easy-open container, manufacturing method thereof and manufacturing device thereof

US-8608895-B2

Abstract

In manufacturing an easy-open container ( 1 ), a flange ( 25 ) of a container body ( 2 ) and a lid ( 3 ) are heat-sealed, where a circular sealing board ( 7 ) having a curved surface on an inner circumferential edge and an inclined surface on an outer circumferential edge side is pressed onto an upper side of the flange ( 25 ) to form a swelling gathered resin part ( 6 ) formed of respective resin components of a surface layer ( 21 ) of the container body ( 2 ), a subsurface layer ( 22 ) adjacent to the surface layer ( 21 ) and a seal layer ( 31 ) of the lid ( 3 ), while heat-sealing the surface layer ( 21 ) of the container body ( 2 ) and the seal layer ( 31 ) of the lid ( 3 ). With the arrangement, the easy-open container ( 1 ) having both a high sealing performance and an easy-open performance can be provided with low cost.

Patent figures（8）

US-8608895-B2 figure 1
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US-8608895-B2 figure 2
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US-8608895-B2 figure 3
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US-8608895-B2 figure 5
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US-8608895-B2 figure 6
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US-8608895-B2 figure 7
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US-8608895-B2 figure 8
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Source status & events

No source-status events are recorded.

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