Invention Grant
- Patent Title: Syringe piston
- Patent Title (中): 注射器活塞
-
Application No.: US11292343Application Date: 2005-12-02
-
Publication No.: US07766882B2Publication Date: 2010-08-03
- Inventor: Morihiro Sudo , Tsuyoshi Koshidaka
- Applicant: Morihiro Sudo , Tsuyoshi Koshidaka
- Applicant Address: JP Tokyo
- Assignee: Daikyo Seiko, Ltd.
- Current Assignee: Daikyo Seiko, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Kenealy Vaidya LLP
- Priority: JP2004-376478 20041227
- Main IPC: A61M5/315
- IPC: A61M5/315
Abstract:
A rubber-made syringe piston with a film laminated on it includes a plurality of annular ridges of different outer diameters formed continuously and integrally on a sliding surface of a liquid-contacting, leading end portion of the piston. The annular ridges may preferably be different by from 0.01 to 0.2 mm from one to another in outer diameter.
Public/Granted literature
- US20060178643A1 Syringe piston Public/Granted day:2006-08-10
Information query
IPC分类:
