Invention Grant
- Patent Title: Weep-hole drilling
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Application No.: US17245702Application Date: 2021-04-30
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Publication No.: US11572741B2Publication Date: 2023-02-07
- Inventor: C. G. van Veldhuisen , Sven Vallgren
- Applicant: Concore BV
- Applicant Address: NL Helmond
- Assignee: Concore BV
- Current Assignee: Concore BV
- Current Assignee Address: NL Helmond
- Agency: Dunlap Codding, P.C.
- Main IPC: E21B11/00
- IPC: E21B11/00 ; B28D1/14 ; B23B51/04

Abstract:
A method for creating a weep hole is disclosed. The weep hole is drilled in an uncured, concrete, hollow core structural component having one or more external surfaces and one or more internal surfaces. The weep hole is drilled using a drilling apparatus comprising a drill, a rotating drill bit with an internal fluid passageway, a power source, and a pressurized fluid source. Loose, uncured concrete material deposited near the weep hole on the one or more internal surface as a result of drilling the weep hole is removed by releasing pressurized fluid which flows from the pressurized fluid source, through the drill and the rotating drill bit.
Public/Granted literature
- US20210347089A1 WEEP-HOLE DRILLING Public/Granted day:2021-11-11
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