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| Tampon applicator |
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Method and apparatus for securing an object to a support structure
| Details |
Inventors: Rohrer, Oscar J.;
Assignee: State of Illinois, Department of Transportation (Springfield, IL)
Primary Examiner: Murtagh; John E.
Assistant Examiner:
Attorney, Agent or Firm: Kirkland & Ellis
The invention relates to a method and apparatus for securing an object to a support structure. The apparatus generally comprises a rod-shaped anchoring member provided with a longitudinal aperture therethrough. The anchoring member is externally threaded at a first end and at a second end is provided with a spiral groove adapted for receipt of a flexible wire. The anchoring member is also provided at the first end with a one-way valve. In practicing the method of the present invention, the anchoring member is positioned in an anchoring hole, or void, existing in the support structure. A hardenable and cementitious material is injected through the one-way valve until the anchoring hole is substantially filled with the hardenable and cementitious material. Thereafter the assembly is allowed to remain undisturbed until the hardenable and cementitious material sets and hardens. |
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DETAILED DESCRIPTION I claim: 1.
An apparatus for securing an object to a support structure having an anchoring hole, comprising a rod-shaped anchoring member provided with an aperture longitudinally therethrough, said anchoring member being externally threaded at a first end thereof and having at the second end thereof a spiral groove, one end of which is positioned adjacent said second end and the other end of which terminates at a point less than or equal to the midpoint of said anchoring member when measured from said second end of said member to said first end thereof, with said spiral groove having a flexible wire member disposed therewithin, said wire member including an outwardly projecting lip at the end thereof located adjacent said second end of said anchoring member, said anchoring member having at the first end thereof a one-way valve for communication from said first end to said second end, with said second end being provided with a groove disposed perpendicular to the longitudinal axis of said aperture and in communication with said aperture.
2.
The apparatus of claim 1, further including a nut threadedly engagable with said external threads.
3.
The apparatus of claim 1, wherein said flexible wire member is a pre-formed wire member adapted for receipt in said groove, said wire member including an outwardly projecting lip at one end thereof.
4.
A method for securing an object to a structure provided with an anchoring hole, comprising the steps of: a.
inserting into said anchoring hole a rod-shaped anchoring member provided with an aperture longitudinally therethrough, said anchoring member being externally threaded at a first end thereof and having at the second end thereof a spiral groove, one end of which is positioned adjacent said second end and the other end of which terminates at a point less than or equal to the midpoint of said anchoring member when measured from said second end of said member to said first end thereof, with said spiral groove having a flexible wire member disposed therewithin, said wire member including an outwardly projecting lip at the end thereof located adjacent said second end of said anchoring member, said anchoring member having at the first end thereof a one-way valve for communication from said first end to said second end, with said second end being provided with a groove disposed perpendicular to the longitudinal axis of said aperture and in communication with said aperture; b
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