Invention Grant
- Patent Title: Method of reinforcing irregular structures
- Patent Title (中): 加强不规则结构的方法
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Application No.: US13696705Application Date: 2011-05-10
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Publication No.: US09278889B2Publication Date: 2016-03-08
- Inventor: Terrence John Rayner , David John Hastings , David Edward Livingstone
- Applicant: Terrence John Rayner , David John Hastings , David Edward Livingstone
- Applicant Address: US MI St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MI St. Paul
- Agent Emily Van Vliet; Stephen Crooks
- International Application: PCT/US2011/035870 WO 20110510
- International Announcement: WO2011/143179 WO 20111117
- Main IPC: E21D5/00
- IPC: E21D5/00 ; C04B41/00 ; C04B41/52 ; E21D11/38 ; C04B111/00

Abstract:
The present disclosure provides a method for reinforcing irregular rock or irregular concrete surfaces such as rock structures in mines as well as other rock and concrete structures. The method includes applying a curable foam composition to at least a portion of a surface, at least partially curing the curable foam composition to form a foam layer adhered to the surface, applying a curable reinforcing composition onto at least a portion of the foam layer, and at least partially curing the curable reinforcing composition to form a reinforcing layer, wherein at least a portion of the reinforcing layer is adhered to the foam layer.
Public/Granted literature
- US20130051918A1 METHOD OF REINFORCING IRREGULAR STRUCTURES Public/Granted day:2013-02-28
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