CA395860A - Earth boring drill sleeve protector - Google Patents

Earth boring drill sleeve protector

Info

Publication number
CA395860A
CA395860A CA395860A CA395860DA CA395860A CA 395860 A CA395860 A CA 395860A CA 395860 A CA395860 A CA 395860A CA 395860D A CA395860D A CA 395860DA CA 395860 A CA395860 A CA 395860A
Authority
CA
Canada
Prior art keywords
drill sleeve
earth boring
boring drill
sleeve protector
protector
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
CA395860A
Other languages
French (fr)
Inventor
James Butcher Henry
William Lunn Reginald
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.)
LEYLAND AND BIRMINGHAM RUBBER Co
Original Assignee
LEYLAND AND BIRMINGHAM RUBBER Co
Publication date
Application granted granted Critical
Publication of CA395860A publication Critical patent/CA395860A/en
Expired legal-status Critical Current

Links

CA395860A Earth boring drill sleeve protector Expired CA395860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA395860T

Publications (1)

Publication Number Publication Date
CA395860A true CA395860A (en) 1941-04-15

Family

ID=35403306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA395860A Expired CA395860A (en) Earth boring drill sleeve protector

Country Status (1)

Country Link
CA (1) CA395860A (en)

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