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:
Apr. 07, 1987
Filed:
Sep. 10, 1984
William L Lane, Viburnum, MO (US);
Donald L Lewis, Belgrade, MO (US);
Other;
Abstract
A rockbolt for installation in a bore in the roof of an underground excavation to support the roof and an installer wand for temporary insertion into the rockbolt to provider hardenable material to the rockbolt. The rockbolt comprises a sleeve, ports in the sleeve near the upper end, and means inside the sleeve for engaging the installer wand inserted into the sleeve. The installer wand comprises an elongated member for conducting hardenable binder, means for connecting the lower end of the elongated member to a source of hardenable binder material, and a head at the upper end of the elongated member to engage the engaging means in the rockbolt and conduct binder from the wand to the rockbolt.