Invention Grant
- Patent Title: Method and device for internal refurbishment of corroded hollow sections
- Patent Title (中): 腐蚀中空部分内部翻新的方法和装置
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Application No.: US12224474Application Date: 2007-02-27
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Publication No.: US08206529B2Publication Date: 2012-06-26
- Inventor: Jens Hölterhoff , Kersten Latz
- Applicant: Jens Hölterhoff , Kersten Latz
- Agency: Husch Blackwell LLP
- Priority: DE102006010948 20060303
- International Application: PCT/DE2007/000378 WO 20070227
- International Announcement: WO2007/098748 WO 20070907
- Main IPC: E01D22/00
- IPC: E01D22/00 ; B23P6/00 ; B08B9/00 ; B32B37/00

Abstract:
Corroded hollow sections, more preferably of orthotropic slabs, are cleaned and de-rusted on the inner surface with a rotating maximum-pressure water-jet continuously guided through the hollow section and angle-adjustable feeler-controlled corresponding to the respective interior surface region and capable of being throttled in critical regions. For the sealing of entering moisture and for corrosion protection as well as to improve the vibration behavior and the strength characteristics of the orthotropic slab, the cleaned and dried inner surface is holohedrally connected with a shapeable and stretchable fabric hose coated with a water-proof plastic in a sealing manner by means of an adhesive and using a pressure medium or a memory plastic hollow profile assuming its original shape under the effect of heat, wherein the internal pressure is maintained up to the curing of the adhesive.
Public/Granted literature
- US20090025856A1 Method and Device for Internal Refurbishment of Corroded Hollow Sections Public/Granted day:2009-01-29
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