GB9022606D0 - Grinding of twist drills - Google Patents

Grinding of twist drills

Info

Publication number
GB9022606D0
GB9022606D0 GB909022606A GB9022606A GB9022606D0 GB 9022606 D0 GB9022606 D0 GB 9022606D0 GB 909022606 A GB909022606 A GB 909022606A GB 9022606 A GB9022606 A GB 9022606A GB 9022606 D0 GB9022606 D0 GB 9022606D0
Authority
GB
United Kingdom
Prior art keywords
grinding
twist drills
drills
twist
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.)
Pending
Application number
GB909022606A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB909022606A priority Critical patent/GB9022606D0/en
Publication of GB9022606D0 publication Critical patent/GB9022606D0/en
Priority to PCT/GB1991/001818 priority patent/WO1992006819A1/en
Pending legal-status Critical Current

Links

GB909022606A 1990-10-17 1990-10-17 Grinding of twist drills Pending GB9022606D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB909022606A GB9022606D0 (en) 1990-10-17 1990-10-17 Grinding of twist drills
PCT/GB1991/001818 WO1992006819A1 (en) 1990-10-17 1991-10-17 Grinding of twist drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909022606A GB9022606D0 (en) 1990-10-17 1990-10-17 Grinding of twist drills

Publications (1)

Publication Number Publication Date
GB9022606D0 true GB9022606D0 (en) 1990-11-28

Family

ID=10683899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB909022606A Pending GB9022606D0 (en) 1990-10-17 1990-10-17 Grinding of twist drills

Country Status (2)

Country Link
GB (1) GB9022606D0 (en)
WO (1) WO1992006819A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE182892C (en) *
FR521451A (en) * 1919-11-20 1921-07-15 Charles Octave Rabut Adjustable device for sharpening twist drills
CH266175A (en) * 1942-03-04 1950-01-15 Ruolle Maurice Abel Machine for sharpening bits, especially helical bits.
US3911629A (en) * 1972-06-05 1975-10-14 John C Steinmetz Method for sharpening drills and other cutting tools
FR2285959A1 (en) * 1974-09-24 1976-04-23 Bosch Gmbh Robert DRILL GRINDING DEVICE
US4001975A (en) * 1975-07-09 1977-01-11 Darex Corporation Twist drill sharpener and aligning fixture
GB8604127D0 (en) * 1986-02-19 1986-03-26 Gardner A B Sharpening apparatus

Also Published As

Publication number Publication date
WO1992006819A1 (en) 1992-04-30

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