[go: up one dir, main page]

IE34662B1 - Non-rifling drill bit - Google Patents

Non-rifling drill bit

Info

Publication number
IE34662B1
IE34662B1 IE128870A IE128870A IE34662B1 IE 34662 B1 IE34662 B1 IE 34662B1 IE 128870 A IE128870 A IE 128870A IE 128870 A IE128870 A IE 128870A IE 34662 B1 IE34662 B1 IE 34662B1
Authority
IE
Ireland
Prior art keywords
rifling
drill bit
drill
bit
rifling drill
Prior art date
Application number
IE128870A
Original Assignee
Irvine Berscheid
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 Irvine Berscheid filed Critical Irvine Berscheid
Priority to IE128870A priority Critical patent/IE34662B1/en
Publication of IE34662B1 publication Critical patent/IE34662B1/en

Links

IE128870A 1970-10-06 1970-10-06 Non-rifling drill bit IE34662B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE128870A IE34662B1 (en) 1970-10-06 1970-10-06 Non-rifling drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE128870A IE34662B1 (en) 1970-10-06 1970-10-06 Non-rifling drill bit

Publications (1)

Publication Number Publication Date
IE34662B1 true IE34662B1 (en) 1975-07-09

Family

ID=11024951

Family Applications (1)

Application Number Title Priority Date Filing Date
IE128870A IE34662B1 (en) 1970-10-06 1970-10-06 Non-rifling drill bit

Country Status (1)

Country Link
IE (1) IE34662B1 (en)

Similar Documents

Publication Publication Date Title
ZA707142B (en) Retractable drill bits
CA949060A (en) Drill bit construction
ZA712380B (en) Hammer drill
ZA71767B (en) Drill boom
ZA722924B (en) Rock drill
ZM771A1 (en) Earth boring machine
ZA702286B (en) Rock drill
ZA714955B (en) Rock drill
ZA716218B (en) Earth drilling machine
ZA725246B (en) Drill bit
ZA721312B (en) Rock drill
ZA707462B (en) Rock drill
CA927582A (en) Drilling
CA946825A (en) Drill bit
CA950266A (en) Rock drills
ZA71818B (en) Large diameter earth boring bit
GB1388182A (en) Rock boring
IE34662B1 (en) Non-rifling drill bit
CA839582A (en) Drill bit
CA835224A (en) Drill bit
AU469533B2 (en) Drill bit
CA960642A (en) Drilling
CA853062A (en) Percussive well drill bit
CA833993A (en) Drill bits
ZA71937B (en) Rock drill