Invention Grant
- Patent Title: Break-away spring and piston rod for a trigger sprayer
- Patent Title (中): 用于触发式喷雾器的分离弹簧和活塞杆
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Application No.: US11957935Application Date: 2007-12-17
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Publication No.: US07942291B2Publication Date: 2011-05-17
- Inventor: Donald D. Foster
- Applicant: Donald D. Foster
- Applicant Address: US MO Grandview
- Assignee: MeadWestvaco Calmar Inc.
- Current Assignee: MeadWestvaco Calmar Inc.
- Current Assignee Address: US MO Grandview
- Agency: MWV Intellectual Property Group
- Main IPC: B05B11/00
- IPC: B05B11/00
Abstract:
A manually operated trigger sprayer has an integral plastic spring and pump piston rod that are connected by a breakable connection, whereby the spring and piston rod can be assembled to the trigger sprayer as one piece and are subsequently broken into two separate pieces in response to their assembly to the trigger sprayer, or subsequent manual operation of the trigger sprayer.
Public/Granted literature
- US20090152304A1 Break-Away Spring and Piston Rod for a Trigger Sprayer Public/Granted day:2009-06-18
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