MEASURING METHOD FOR DEGREE OF VACUUM OF VACUUM PACKING BODY

Title:

MEASURING METHOD FOR DEGREE OF VACUUM OF VACUUM PACKING BODY

Document Type and Number:

Japanese Patent JPH0579940

Kind Code:

A

Abstract:

PURPOSE:To precisely measure the degree of vacuum of a vacuum packing body evacuation-sealed with a filler in a container made of a sheet having a gas barrier property. CONSTITUTION:A vacuum packing body 10 is inserted into a vacuum chamber 20 and restricted by a pressing plate 21. The inside of the vacuum chamber 20 is evacuated. The expanding force generated on the vacuum packing body 10 is measured by a load cell 23, and the degree of vacuum in the vacuum packing body 10 is determined by the expanding force.

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Inventors:

ONISHI KOICHI

Application Number:

JP27309991A

Publication Date:

March 30, 1993

Filing Date:

September 24, 1991

Export Citation:

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Assignee:

SHARP KK

International Classes:

B65D81/20; F16L59/06; G01L21/00; (IPC1-7): B65D81/20; F16L59/06; G01L21/00

Domestic Patent References:

JPS61107126A	1986-05-26
JPH0232030B2	1990-07-18
JPH03167432A	1991-07-19
JPH02253117A	1990-10-11

Attorney, Agent or Firm:

Koji Onishi

Next Patent: WATER LEAKAGE POSITION DETECTING SYSTEM