Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1976-12-03
1978-05-02
Purser, Ernest R.
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
175410, E21B 908
Patent
active
040869733
ABSTRACT:
An asymmetric insert has a formation contacting crest thereby decreasing the loading on the insert and increasing the lifetime of the cutter. The insert has a shape prior to assembly in the cutter that includes a base integrally joined to an asymmetric head. The base is mounted in a socket in the cutter body. The head projects from the surface of the cutter and includes a crest positioned to contact the formations with substantially its entire length.
REFERENCES:
patent: 2579268 (1951-12-01), Malherbe
patent: 3388757 (1968-06-01), Fittinger
patent: 3389761 (1968-06-01), Ott
patent: 3442342 (1969-05-01), McElya et al.
patent: 3599737 (1971-08-01), Fischer
patent: 3734213 (1973-05-01), Goodfellow
patent: 3858670 (1975-01-01), Ott
Keller Wilbur S.
Langford, Jr. James Wilson
Dresser Industries Inc.
Favreau Richard E.
Purser Ernest R.
Scott Eddie E.
LandOfFree
Asymmetric insert for inner row of an earth boring cutter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Asymmetric insert for inner row of an earth boring cutter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Asymmetric insert for inner row of an earth boring cutter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2154350