SEALING METHOD FOR PAPER CONTAINER OF LIQUID

Title:

SEALING METHOD FOR PAPER CONTAINER OF LIQUID

Document Type and Number:

Japanese Patent JPH0885519

Kind Code:

A

Abstract:

PURPOSE: To provide a sealing method for a paper container of a liquid wherein the heat-sealed condition of a sealed part is favorable when the paper container of a liquid for which polyester is used for the innermost layer is formed.

CONSTITUTION: A paper container 100 for liquid consists of a laminate material 10 of which the base material is a sheet paper, and the innermost layer 11 of the paper container 100 is made of polyester. In a sealing method for such a paper container, a sealing part 111 of the paper container 100 for liquid is sealed by heat-welding together with pressurizing by a high frequency sealing method, ultrasonic sealing method or impulse sealing method.

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Inventors:

MORISHIMA SHIGENORI
TAKE YOSHIAKI
MARUYAMA TAKASHI
ISOZAKI SHINICHIRO

Application Number:

JP22338894A

Publication Date:

April 02, 1996

Filing Date:

September 19, 1994

Export Citation:

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Assignee:

TOPPAN PRINTING CO LTD

International Classes:

B65B51/10; B29C65/00; (IPC1-7): B65B51/10

Next Patent: STERILIZING DEVICE