Title:
DEAERATION VALVE AND COMPRESSION BAG WITH THE DEAERATION VALVE
Document Type and Number:
WIPO Patent Application WO/2007/029292
Kind Code:
A1
Abstract:
A deaeration valve having an air path (2) defined by two seal sections (21, 22)
formed by superposing two resin valve films (11, 12) and by adhering a part of the
films, wherein an entrance (2a) of the air path (2) is defined by a line segment
connecting between upstream end sections (21a, 221a) of the respective seal
sections (21, 22), an exit (2b) of the air path (2) is defined by a line segment connecting
downstream side end sections (21b, 223b) of the respective seal sections (21,
22). The valve films (11, 12) are not adhered to each other at that portion of either
of the seal sections (21, 22) which is on an extension line (21c, 223c) from the
seal section (21, 22), where the extension line is on the downstream side of the
downstream end section (21b, 223b).
Inventors:
TANAKA KAZUYA (JP)
Application Number:
PCT/JP2005/016089
Publication Date:
March 15, 2007
Filing Date:
September 02, 2005
Export Citation:
Assignee:
COMPAC JAPAN LTD (JP)
TANAKA KAZUYA (JP)
TANAKA KAZUYA (JP)
International Classes:
B65D30/24; B65D85/07
Foreign References:
| JPH09290840A | 1997-11-11 | |||
| JPH10706A | 1998-01-06 | |||
| JPS58112955A | 1983-07-05 |
Attorney, Agent or Firm:
SAMEJIMA, Takenobu (7-3 Kitahorie 1-chome, Nishi-k, Osaka-shi Osaka 14, JP)
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