Title:
PRECISE CRITICAL TEMPERATURE INDICATOR AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/074529
Kind Code:
A1
Abstract:
According to a precise critical temperature indicator and a control method thereof of the present invention, the precise critical temperature indicator comprises as one body: a blocking boundary layer which is positioned between a spreading material member including an operation button and spreading medium members including a spreadable area for a spreading material; and a temperature sensor which is controlled and operated as the spreading material passes through the blocking boundary layer and contacts the spreading medium member according to a user's pressing of the operation button. As a result, operation of the temperature sensor is easily controlled using the operation button. Also, the precise critical temperature indicator does not require a process of cooling a product down to below a critical temperature before using the product, due to the hermetic sealing of the spreading material member. Additionally, mass production can be realized by combining a spreading material member sheet including a plurality of spreading material members and a spreading medium member sheet including the spreading medium members which includes a plurality of spreadable areas for the spreading material.
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| JPH11132868 | HEAT SENSOR |
| JPS5593032 | TEMPERATURE DETECTION TOOL |
| JPH0882558 | INDICATOR AND PACKAGE CONTAINER WITH INDICATOR |
Inventors:
PARK JI-HOON (KR)
Application Number:
PCT/KR2009/007774
Publication Date:
July 01, 2010
Filing Date:
December 24, 2009
Export Citation:
Assignee:
INDITECHKOREA CO LTD (KR)
PARK JI-HOON (KR)
PARK JI-HOON (KR)
International Classes:
G01K11/06; G01K1/02; G01K5/02; G01K11/12
Foreign References:
| US5102233A | 1992-04-07 | |||
| JPH01116421A | 1989-05-09 | |||
| US4996104A | 1991-02-26 | |||
| JPS59122921A | 1984-07-16 | |||
| US5282684A | 1994-02-01 | |||
| US7232253B2 | 2007-06-19 | |||
| US20040240324A1 | 2004-12-02 |
Other References:
See also references of EP 2381232A4
Attorney, Agent or Firm:
LEE, JAE-JUNG (KR)
이재정 (KR)
이재정 (KR)
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