Tools for percussive and rotary crushing rock drilling provided

Details Tools for percussive and rotary crushing rock drilling provided Tools for percussive and rotary crushing rock drilling provided

1991-06-14

1994-08-09

Dang, Hoang C.

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

175426, 175434, E21B 1046

Patent

active

053357388

ABSTRACT:
The present invention relates to a rock bit button of cemented carbide for percussive or rotary crushing rock drilling. The button is provided with a layer of diamond produced at high pressure and high temperature in the diamond stable area.
The cemented carbide has a multi-phase structure having a core that contains eta-phase surrounded by a surface zone of cemented carbide free of eta-phase.

REFERENCES:
patent: 2941248 (1960-06-01), Hall
patent: 3141746 (1964-07-01), De Lai
patent: 3757878 (1973-09-01), Wilder et al.
patent: 3757879 (1973-09-01), Wilder et al.
patent: 4109737 (1978-08-01), Bovenkerk
patent: 4148368 (1979-04-01), Evans
patent: 4274840 (1981-06-01), Housman
patent: 4531595 (1985-07-01), Housman
patent: 4592433 (1986-06-01), Dennis
patent: 4593776 (1986-06-01), Salesky
patent: 4694918 (1987-09-01), Hall
patent: 4707384 (1987-11-01), Schachner et al.
patent: 4718505 (1988-01-01), Fuller
patent: 4731296 (1988-03-01), Kikuchi et al.
patent: 4743515 (1988-05-01), Fischer et al.
patent: 4751972 (1988-06-01), Jones et al.
patent: 4764434 (1988-08-01), Aronsson et al.
patent: 4766040 (1988-08-01), Hillert et al.
patent: 4784023 (1988-11-01), Dennis
patent: 4811801 (1989-03-01), Salesky et al.
patent: 4819516 (1989-04-01), Dennis
patent: 4820482 (1989-04-01), Fischer et al.
patent: 4843039 (1989-06-01), Akesson et al.
patent: 4858707 (1989-08-01), Jones et al.
patent: 4871377 (1989-10-01), Frushour
patent: 4889017 (1989-12-01), Fuller et al.
patent: 4972637 (1990-11-01), Dyer
patent: 5007207 (1991-04-01), Phaal
patent: 5074623 (1991-12-01), Hedlund et al.

Affiliated with

Also associated with

Rating

Tools for percussive and rotary crushing rock drilling provided does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tools for percussive and rotary crushing rock drilling provided , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tools for percussive and rotary crushing rock drilling provided will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-210351