The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 1979
Filed:
Mar. 06, 1978
Philippe H McLain, Gilbert, SC (US);
Ross J Sullivan, Columbia, SC (US);
Shakespeare Company, Columbia, SC (US);
Abstract
A tie rod support having a lightweight rod of fiber reinforced plastic (FRP) material with a tapered sleeve of non-ferrous material mounted on one end. The other end of the rod is adapted to be inserted axially into a hole in a wall or roof of a mine with the sleeve supporting a pressure plate abutting the inner surface of the wall or roof. Frangible cartridges of polyester resin and a catalyst are first inserted in the hole and axial rotation of the rod as it is inserted into the hole ruptures the cartridges and mixes their contents, causing rapid curing of the resin and a bond between the FRP rod and the inner surface of the hole.