Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
78 words
A drill bit having: a. a plurality of holes therein b. a plurality of studs, one in each hole, wherein the improvement comprises: c. an integral pedestal on each stud, d. each pedestal positioned on the bit for proper cutting, e. a cutter disc bonded to each pedestal, f. each disc having a polycrystalline diamond compact formed by a polycrystalline diamond wafer attached to a tungsten carbide substrate, g. the disc and pedestal having a ring encircling them.
Claim 2
Dependent Claim
78 words
A drill bit having: a. a plurality of holes therein b. a plurality of studs, one in each hole, wherein the improvement comprises: c. an integral pedestal on each stud, d. each pedestal positioned on the bit for proper cutting, e. a cutter disc bonded to each pedestal, f. each disc having a polycrystalline diamond compact formed by a polycrystalline diamond wafer attached to a tungsten carbide substrate, g. the disc and pedestal having a ring encircling them.
Claim 3
Dependent Claim
29 words
The invention as defined in claim 1 including all of the limitations a. through g. with the addition of the following limitation: h. each disc and pedestal being circular.
Claim 4
Dependent Claim
33 words
The invention as defined in claim 2 including all of the limitations a. through h. with the addition of the following limitation: i. the polycrystalline diamond compact and the pedestal having coextensive perimeters.
Claim 5
Dependent Claim
59 words
The invention as defined in claim 2 including all of the limitations a. through h. with the addition of the following limitations: i. the polycrystalline diamond compact perimeter being smaller than the pedestal perimeter, j. a metal slug, k. said polycrystalline diamond compact and slug together forming said disc and l. said disc and the pedestal having coextensive perimeters.
Claim 6
Dependent Claim
77 words
A cutting implement comprising: a. a cutter disc, which is (i) circular, (ii) having a flat back, and including (iii) a polycrystalline diamond compact which is a polycrystalline diamond wafer on a tungsten carbide substrate, b. a stud, c. a flat faced area on the stud, and d. the flat back of the cutter disc which is bonded to the flat faced area, and e. a ring around the cutter disc attached to the flat faced area.
Claim 7
Dependent Claim
77 words
A cutting implement comprising: a. a cutter disc, which is (i) circular, (ii) having a flat back, and including (iii) a polycrystalline diamond compact which is a polycrystalline diamond wafer on a tungsten carbide substrate, b. a stud, c. a flat faced area on the stud, and d. the flat back of the cutter disc which is bonded to the flat faced area, and e. a ring around the cutter disc attached to the flat faced area.
Claim 8
Dependent Claim
30 words
The invention as defined in claim 5 including all of the limitations a. through e. with the addition of the following limitation: f. the disc diffusion bonded to the stud.
Claim 9
Dependent Claim
34 words
The invention as defined in claim 6 including all of the limitations a. through f. with the addition of the following limitation: g. the polycrystalline diamond compact perimeter being smaller than the disc perimeter.
Claim 10
Dependent Claim
33 words
The invention as defined in claim 6 including all of the limitations a. through f. with the addition of the following limitation: g. the polycrystalline diamond compact and the disc having coextensive perimeters.
Claim 11
Dependent Claim
36 words
The invention as defined in claim 6 including all of the limitations a. through f. with the addition of the following limitations: g. a pedestal on the stud, h. said flat faced area on the pedestal.