Invention Grant
- Patent Title: Angled manhole sealing band and method for use
- Patent Title (中): 角形孔洞密封带和使用方法
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Application No.: US12234175Application Date: 2008-09-19
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Publication No.: US07789586B2Publication Date: 2010-09-07
- Inventor: Paul H Ess
- Applicant: Paul H Ess
- Applicant Address: US MN Loretto
- Assignee: SSI Partnership, LLC
- Current Assignee: SSI Partnership, LLC
- Current Assignee Address: US MN Loretto
- Agency: Patterson Thuente Christensen Pederson, PA
- Main IPC: E02D29/14
- IPC: E02D29/14
Abstract:
The invention relates to a device and method for sealing a manhole structure. A band with a relatively rigid angled corner engages the upper margin of a manhole structure. Adhesives may also be used with the band to enhance the seal with the manhole structure.
Public/Granted literature
- US20090074509A1 ANGLED MANHOLE SEALING BAND AND METHOD FOR USE Public/Granted day:2009-03-19
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