Invention Grant
- Patent Title: Tunnel profile element
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Application No.: US16646545Application Date: 2018-09-10
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Publication No.: US11459886B2Publication Date: 2022-10-04
- Inventor: Rolf Jakobsen
- Applicant: Foamrox AS
- Applicant Address: NO Arendal
- Assignee: Foamrox AS
- Current Assignee: Foamrox AS
- Current Assignee Address: NO Arendal
- Agency: Wissing Miller LLP
- Priority: NO20171522 20170922
- International Application: PCT/NO2018/050227 WO 20180910
- International Announcement: WO2019/059776 WO 20190328
- Main IPC: E21D11/00
- IPC: E21D11/00 ; B32B1/00 ; B32B5/18 ; B32B7/12 ; E21D11/38
Abstract:
The present invention disclose a tunnel profile element (10, 20A, 20) comprising a lightweight body constituted by foam glass panels sprayed with unbroken polyurea layer providing a fire resistant coating, and which is providing increased mechanical integrity of the tunnel profile element (10, 20A, 20).
Public/Granted literature
- US20200277855A1 A TUNNEL PROFILE ELEMENT Public/Granted day:2020-09-03
Information query
