Invention Grant
- Patent Title: Mechanism for adjusting the circumference of scraper cups or discs
- Patent Title (中): 调整刮板杯或圆盘周长的机构
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Application No.: US12776658Application Date: 2010-05-10
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Publication No.: US08701233B2Publication Date: 2014-04-22
- Inventor: Donald Savard
- Applicant: Donna Savard
- Agency: Davis & Bujold, PLLC
- Agent Michael J. Bujold
- Priority: CA2670048 20090513
- Main IPC: B08B9/04
- IPC: B08B9/04
Abstract:
A sealing element for a pipeline pig includes rigid first and second cup supports having outer peripheral edges. A resilient sealing element protrudes beyond the outer peripheral edge of each of the first cup support and the second cup support. Means are provided for clamping the sealing element between the first cup support and the second cup support.
Public/Granted literature
- US20100289224A1 MECHANISM FOR ADJUSTING THE CIRCUMFERENCE OF SCRAPER CUPS OR DISCS Public/Granted day:2010-11-18
Information query
IPC分类:
