Title:
エアゾール計量弁
Document Type and Number:
Japanese Patent JP4680597
Kind Code:
B2
Abstract:
The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a metering surface, wherein the longitudinal axis and a plane tangential to at least a portion of the metering surface define an angle from about 2° to about 90°; and (b) a valve body having an internal chamber defined at least in part by the body wall and includes a metering portion configured to substantially conform to the metering surface of the valve stem.
Inventors:
Hudson, Peter Dee.
Application Number:
JP2004534510A
Publication Date:
May 11, 2011
Filing Date:
September 04, 2003
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
A61M11/00; B65D83/44; A61M15/00; A61M16/20; B05B9/04; B65D83/14
Domestic Patent References:
| JP6376966A | ||||
| JP5254578A |
Foreign References:
| US4427137 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama