Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1980-12-29
1983-07-19
Novosad, Stephen J.
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
175374, 175376, E21B 1016
Patent
active
043939490
ABSTRACT:
Apparatus for boring holes in rock comprising a boring head rotatable about an axis of advance and a multiplicity of cutters mounted on the head, a plurality of which each comprises a cutter body rotatable about a cutter axis and cutting tooth means forming a helical path about the cutter axis.
REFERENCES:
patent: 667513 (1901-02-01), Forsyth et al.
patent: 2228286 (1941-01-01), Ross
patent: 2399372 (1946-04-01), Metzger et al.
patent: 2687875 (1954-08-01), Morlan et al.
patent: 3430718 (1969-03-01), Lawrence
patent: 3659660 (1972-05-01), Conn
patent: 4071098 (1978-01-01), Dively et al.
Kennemetal Inc. advertisement in Mining Equipment International, Oct., 1978, vol. 3, No. 8, p. 5.
Bui Thuy M.
Novosad Stephen J.
Peterson Associates, Ltd.
LandOfFree
Rock boring apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rock boring apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rock boring apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-747547