Method of rock bolting and tube-formed expansion bolt

Details Method of rock bolting and tube-formed expansion bolt Method of rock bolting and tube-formed expansion bolt

1984-01-23

1985-04-09

Corbin, David H.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Fluent pressure actuated

405259, 411 33, E21D 2100

Patent

active

045098891

ABSTRACT:
A tube-formed rockbolt is partly circular in its cross-section and opposite its circular portion (12) it has a deep depression (16-18). Its ends are sealed and its outer end has a hole (44, 45) or a fitting (24) through which the bolt can be supplied with high pressure water that expands the tube to anchor it in the borehole.

REFERENCES:
patent: 1802270 (1931-04-01), Rawlings
patent: 2015081 (1935-09-01), McElhany et al.
patent: 2324520 (1943-07-01), Lamson
patent: 2342732 (1944-02-01), Gudmundsen
patent: 2696137 (1954-12-01), Thomas et al.
patent: 3148577 (1964-09-01), Parsons
patent: 3349567 (1967-10-01), Munn
patent: 3425311 (1969-02-01), Levy
patent: 3568450 (1971-03-01), Whiting
patent: 3665719 (1972-05-01), Whiting
patent: 3922867 (1975-12-01), Scott
patent: 3977068 (1976-08-01), Krips
patent: 4012913 (1977-03-01), Scott
patent: 4125937 (1978-11-01), Brown et al.

Affiliated with

Also associated with

Rating

Method of rock bolting and tube-formed expansion bolt does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of rock bolting and tube-formed expansion bolt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of rock bolting and tube-formed expansion bolt will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1167268