CA2584928C - Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant - Google Patents

Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant Download PDF

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Publication number
CA2584928C
CA2584928C CA2584928A CA2584928A CA2584928C CA 2584928 C CA2584928 C CA 2584928C CA 2584928 A CA2584928 A CA 2584928A CA 2584928 A CA2584928 A CA 2584928A CA 2584928 C CA2584928 C CA 2584928C
Authority
CA
Canada
Prior art keywords
diamond
impregnated
bit
bit body
inserts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2584928A
Other languages
English (en)
Other versions
CA2584928A1 (fr
Inventor
David K. Truax
Thomas Walter Oldham
Duane R. Van Waes
Carl Edward Penuel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith International Inc
Original Assignee
Smith International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/343,968 external-priority patent/US6394202B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority to CA2693265A priority Critical patent/CA2693265C/fr
Publication of CA2584928A1 publication Critical patent/CA2584928A1/fr
Application granted granted Critical
Publication of CA2584928C publication Critical patent/CA2584928C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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CA2584928A 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant Expired - Lifetime CA2584928C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2693265A CA2693265C (fr) 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/343,968 US6394202B2 (en) 1999-06-30 1999-06-30 Drill bit having diamond impregnated inserts primary cutting structure
US09/343,968 1999-06-30
CA002311020A CA2311020C (fr) 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002311020A Division CA2311020C (fr) 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2693265A Division CA2693265C (fr) 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant

Publications (2)

Publication Number Publication Date
CA2584928A1 CA2584928A1 (fr) 2000-12-30
CA2584928C true CA2584928C (fr) 2010-08-10

Family

ID=38236354

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2584928A Expired - Lifetime CA2584928C (fr) 1999-06-30 2000-06-08 Trepan comprenant une structure de coupe principale avec pieces rapportees impregnees de diamant

Country Status (1)

Country Link
CA (1) CA2584928C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106351586A (zh) * 2016-11-15 2017-01-25 张金水 一种镶金刚石钻头

Also Published As

Publication number Publication date
CA2584928A1 (fr) 2000-12-30

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Effective date: 20200608