CA975748A - Seal means for drill bit bearings - Google Patents

Seal means for drill bit bearings

Info

Publication number
CA975748A
CA975748A CA179,567A CA179567A CA975748A CA 975748 A CA975748 A CA 975748A CA 179567 A CA179567 A CA 179567A CA 975748 A CA975748 A CA 975748A
Authority
CA
Canada
Prior art keywords
drill bit
seal means
bit bearings
bearings
seal
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
CA179,567A
Other versions
CA179567S (en
Inventor
Percy W. Schumacher (Jr.)
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.)
Reed Tool Co
Original Assignee
Reed Tool Co
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 Reed Tool Co filed Critical Reed Tool Co
Priority to CA179,567A priority Critical patent/CA975748A/en
Application granted granted Critical
Publication of CA975748A publication Critical patent/CA975748A/en
Expired legal-status Critical Current

Links

CA179,567A 1973-08-24 1973-08-24 Seal means for drill bit bearings Expired CA975748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA179,567A CA975748A (en) 1973-08-24 1973-08-24 Seal means for drill bit bearings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179,567A CA975748A (en) 1973-08-24 1973-08-24 Seal means for drill bit bearings

Publications (1)

Publication Number Publication Date
CA975748A true CA975748A (en) 1975-10-07

Family

ID=4097649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,567A Expired CA975748A (en) 1973-08-24 1973-08-24 Seal means for drill bit bearings

Country Status (1)

Country Link
CA (1) CA975748A (en)

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

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