CA1104552A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number
CA1104552A
CA1104552A CA328,229A CA328229A CA1104552A CA 1104552 A CA1104552 A CA 1104552A CA 328229 A CA328229 A CA 328229A CA 1104552 A CA1104552 A CA 1104552A
Authority
CA
Canada
Prior art keywords
cutter
bearing pin
cone
bit
bearing
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
Application number
CA328,229A
Other languages
English (en)
Inventor
Theodore R. Dysart
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA1104552A publication Critical patent/CA1104552A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA328,229A 1978-06-30 1979-05-24 Traduction non-disponible Expired CA1104552A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92086878A 1978-06-30 1978-06-30
US920,868 1978-06-30

Publications (1)

Publication Number Publication Date
CA1104552A true CA1104552A (fr) 1981-07-07

Family

ID=25444541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA328,229A Expired CA1104552A (fr) 1978-06-30 1979-05-24 Traduction non-disponible

Country Status (4)

Country Link
AU (1) AU525959B2 (fr)
CA (1) CA1104552A (fr)
MX (1) MX148836A (fr)
ZA (1) ZA792616B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits

Also Published As

Publication number Publication date
MX148836A (es) 1983-06-24
ZA792616B (en) 1980-06-25
AU525959B2 (en) 1982-12-09
AU4735879A (en) 1980-01-03

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Legal Events

Date Code Title Description
MKEX Expiry