Invention Grant
- Patent Title: Pressure-responsive device and associated method of manufacture
- Patent Title (中): 压力响应装置及相关制造方法
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Application No.: US10398067Application Date: 2001-09-24
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Publication No.: US07896001B2Publication Date: 2011-03-01
- Inventor: Nigel Harrison , Daniel Godfrey
- Applicant: Nigel Harrison , Daniel Godfrey
- Applicant Address: GB Sandwich, Kent
- Assignee: Pfizer Limited
- Current Assignee: Pfizer Limited
- Current Assignee Address: GB Sandwich, Kent
- Agency: Reising Ethington P.C.
- Priority: GB0023845.1 20000929; GB0028444.8 20001122
- International Application: PCT/GB01/04241 WO 20010924
- International Announcement: WO02/26300 WO 20020404
- Main IPC: A61M11/00
- IPC: A61M11/00 ; A61M15/00 ; F16K31/02 ; A23P1/00 ; F16F1/18 ; H01H1/10 ; B28B5/00 ; B28B11/08 ; B27N3/10 ; B29C45/14 ; B29B7/00
Abstract:
There is provided a pressure-responsive device (40) suitable for use in an inhaler, the pressure-responsive device (40) comprising a closed frame (42) over which is fixed a membrane (44), a tongue (46) being supported on the membrane (44). Two upstanding wings (50) are integrally moulded with the tongue (46) and incorporate square apertures (52). A method of manufacturing the pressure-responsive device (40) is also provided.
Public/Granted literature
- US20040107962A1 Pressure-responsive means and associated method of manufacture Public/Granted day:2004-06-10
Information query
