Invention Application
- Patent Title: FASTENER WITH DRILL PILOT AND REVERSED THREADED REGIONS
- Patent Title (中): 紧固钻头试验和反向螺纹加工区域
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Application No.: PCT/US2013/051704Application Date: 2013-07-23
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Publication No.: WO2014018542A1Publication Date: 2014-01-30
- Inventor: PARK, Jeremy, Scott
- Applicant: SIMPSON STRONG-TIE COMPANY, INC. , PARK, Jeremy, Scott
- Applicant Address: 5956 W. Las Positas Boulevard Pleasanton, CA 94588 US
- Assignee: SIMPSON STRONG-TIE COMPANY, INC.,PARK, Jeremy, Scott
- Current Assignee: SIMPSON STRONG-TIE COMPANY, INC.,PARK, Jeremy, Scott
- Current Assignee Address: 5956 W. Las Positas Boulevard Pleasanton, CA 94588 US
- Agency: VIERRA, Larry, E.
- Priority: US13/948,737 20130723; US61/674,746 20120723
- Main IPC: F16B25/00
- IPC: F16B25/00 ; F16B25/10
Abstract:
A fastener includes a shank (100) having a pilot section (110) and a threaded section (113). The pilot section includes a cutting tip (111) and a drill section (112); the threaded section includes a first thread region (113) having the same twist as the drill section and a reverse thread region (114). A helical ridge (115) may be provided in the reverse thread region. A head (104) at the second end includes a top portion such as a disk and an undercut region.
Information query
