Title:
VACUUM VALVE AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/159036
Kind Code:
A2
Abstract:
There is provided a vacuum valve used in a vacuum storage container, having a simplified configuration, being installable in the container, and improved in vacuum maintenance. The vacuum valve includes a base having a hole; a sealing film attached to a flexible film and covering the hole between the base and the flexible film; and the flexible film attached to an upper surface of the base and the sealing film using an adhesive layer, wherein the flexible film is movable to an open position, and when the flexible film is disposed in the open position, the sealing film attached to the flexible film causes the hole to be open and an air path is formed between the sealing film and the base such that air passes therethrough.
Inventors:
SO JAE-GWANG (KR)
KIM KUM-JA (KR)
KIM KUM-JA (KR)
Application Number:
PCT/KR2011/003838
Publication Date:
December 22, 2011
Filing Date:
May 25, 2011
Export Citation:
Assignee:
ROLLPACK CO LTD (KR)
SO JAE-GWANG (KR)
KIM KUM-JA (KR)
SO JAE-GWANG (KR)
KIM KUM-JA (KR)
International Classes:
B65D30/24; B32B27/08; B65D33/25; B65D81/20
Foreign References:
| US20090008582A1 | 2009-01-08 | |||
| US20060228057A1 | 2006-10-12 | |||
| KR20080029959A | 2008-04-03 |
Other References:
See references of EP 2582588A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (Seocho-Pyunghwa Building1451-34 Seocho-dong, Seocho-gu, Seoul 137-070, KR)
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