[특허]Self-centralizing soil nail and method of creating subsurface support

[미국특허] Self-centralizing soil nail and method of creating subsurface support 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-005/80 E21D-021/00
출원번호	US-0646573 (2009-12-23)
등록번호	US-8851801 (2014-10-07)
발명자 / 주소	Barrett, Colby Ruckman, Timothy Allen
출원인 / 주소	R&B Leasing, LLC
대리인 / 주소	Sheridan Ross P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 104

초록 ▼

A subsurface support is provided comprising a soil nail having an outer member and an inner member placed within the outer member. The soil nail includes features that maintain a uniform spaced relationship between the inner and outer members. The soil nail may be installed by drilling or launching through a launching device. The spaced relationship between the inner and outer members may be achieved by crimping the outer member, or by use of an insert installed between the inner and outer members. In other embodiments, the support is made of composite construction materials, and having a self-drilling capability. The soil nail has two primary members, namely, an outer threaded member, and an inner threaded member that is placed through the outer member The outer member is made from fiberglass, and a metallic drill bit is secured to a distal end of the soil nail. The inner member is preferably steel. A method is also provided to improve pull-out capacity of the soil nails by galvanizing the inner and outer members.

대표청구항 ▼

1. A soil nail comprising: a outer member having a bore extending therethrough, and proximal and distal ends;at least one spacer placed within said bore, said spacer having an inner concentric portion and a continuous opening formed through said spacer, and said spacer having a plurality of supporting projections extending radially from said inner concentric portion;an inner member placed through said bore and through said opening in said spacer, wherein said inner member thereby maintains a concentric relationship with an interior surface of said outer member including a cylindrical gap extending between an outer surface of said inner member, and an interior surface of said outer member; andsaid spacer further includes an outer peripheral portion maintaining frictional engagement with said interior surface of said outer member, and said supporting projections interconnecting said outer peripheral portion with said inner concentric portion.

이 특허에 인용된 특허 (104) 인용/피인용 타임라인 분석

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[미국특허] Self-centralizing soil nail and method of creating subsurface support 원문보기

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[미국특허] Self-centralizing soil nail and method of creating subsurface support 원문보기

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