Rockbolt and installer wand

Hydraulic and earth engineering – Earth treatment or control – Chemical

Patent

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Details

E21D 2002

Patent

active

046556435

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.

REFERENCES:
patent: 2092341 (1937-09-01), De Vries
patent: 2287395 (1942-06-01), Reynolds
patent: 2849866 (1958-09-01), Flygare et al.
patent: 2950602 (1960-08-01), Lang
patent: 3308505 (1967-03-01), Fischer
patent: 3359742 (1967-12-01), Blatter
patent: 3507121 (1970-04-01), Morfeldt
patent: 3613495 (1971-10-01), Podgursky
patent: 4000623 (1977-01-01), Meardi
patent: 4055051 (1977-10-01), Finney
patent: 4098166 (1978-07-01), Lang
patent: 4158519 (1979-06-01), Gamlin
patent: 4224971 (1980-09-01), Muller et al.
patent: 4289427 (1981-09-01), Rolston
patent: 4362440 (1982-12-01), Glaesmann
patent: 4386876 (1983-06-01), Dupeuble
patent: 4461600 (1984-07-01), Norkus et al.
patent: 4556344 (1985-12-01), White
Underground Excavations in Rock by F. Hoek and E. T. Brown, pp. 333-342.
Celtite Resin Injection Systems (brochure).

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