Invention Grant
- Patent Title: Pre-compression valve systems for trigger sprayers
- Patent Title (中): 用于扳机喷雾器的预压阀系统
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Application No.: US14009458Application Date: 2012-04-04
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Publication No.: US09579675B2Publication Date: 2017-02-28
- Inventor: Donald D. Foster , Philip L. Nelson
- Applicant: Donald D. Foster , Philip L. Nelson
- Applicant Address: US GA Norcross
- Assignee: WestRock Dispensing Systems, Inc.
- Current Assignee: WestRock Dispensing Systems, Inc.
- Current Assignee Address: US GA Norcross
- Agency: WestRock Intellectual Property Group
- International Application: PCT/US2012/032133 WO 20120404
- International Announcement: WO2013/106014 WO 20130718
- Main IPC: B65D88/54
- IPC: B65D88/54 ; B05B11/00 ; B05B9/043 ; B05B12/08
Abstract:
Pre-compression valve systems for trigger sprayers include one-piece valve systems having both check and pre-compression valves or multiple component valve systems. The pre-compression valve is positioned in a vertical cylinder, and may have a flat, concave, or convex surface.
Public/Granted literature
- US20140014691A1 PRE-COMPRESSION VALVE SYSTEMS FOR TRIGGER SPRAYERS Public/Granted day:2014-01-16
Information query
