Rotary drill bit seal

Details Rotary drill bit seal Rotary drill bit seal

1984-07-18

1985-11-12

Leppink, James A.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

384 94, 277188R, E21B 1024

Patent

active

045522332

ABSTRACT:
An improved seal for a rotary drill bit includes a pair of ring seals comprised of dissimilar materials disposed axially, adjacently to one another intermediate a stationary journal and a rotating cutter to present multiple sealing interfaces so that one or more of the ring seals may rotate with respect to another or the journal or rotating cutter. One of the ring seals may preferrably be fabricated of material exhibiting elastomeric characteristics.

REFERENCES:
patent: 3982595 (1976-09-01), Ott
patent: 4176848 (1979-12-01), Lafuze
patent: 4179003 (1979-12-01), Cooper
patent: 4249622 (1981-02-01), Dysart
patent: 4428687 (1984-01-01), Zahradnik

Affiliated with

Also associated with

Rating

Rotary drill bit seal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary drill bit seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary drill bit seal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1875480