NL181088C - DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES. - Google Patents

DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES.

Info

Publication number
NL181088C
NL181088C NL7908284A NL7908284A NL181088C NL 181088 C NL181088 C NL 181088C NL 7908284 A NL7908284 A NL 7908284A NL 7908284 A NL7908284 A NL 7908284A NL 181088 C NL181088 C NL 181088C
Authority
NL
Netherlands
Prior art keywords
drilling
cutting edges
unit containing
shaft
blade equipped
Prior art date
Application number
NL7908284A
Other languages
Dutch (nl)
Other versions
NL7908284A (en
NL181088B (en
Original Assignee
Fischer Artur
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
Priority claimed from DE19752539521 external-priority patent/DE2539521C2/en
Priority claimed from DE19752549057 external-priority patent/DE2549057C2/en
Priority claimed from NLAANVRAGE7608015,A external-priority patent/NL168159C/en
Application filed by Fischer Artur filed Critical Fischer Artur
Publication of NL7908284A publication Critical patent/NL7908284A/en
Publication of NL181088B publication Critical patent/NL181088B/en
Application granted granted Critical
Publication of NL181088C publication Critical patent/NL181088C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0027—Drills for enlarging a hole by tool swivelling
NL7908284A 1975-09-05 1979-11-13 DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES. NL181088C (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
DE19752539521 DE2539521C2 (en) 1975-09-05 Drilling unit
DE2539521 1975-09-05
DE19752544468 DE2544468C2 (en) 1975-10-04 Drilling unit
DE2547412 1975-10-04
DE19752547412 DE2547412C2 (en) 1975-10-23 Drilling unit
DE2544468 1975-10-23
DE2549057 1975-11-03
DE19752549057 DE2549057C2 (en) 1975-09-05 1975-11-03 Drilling unit
NL7608015 1976-07-20
NLAANVRAGE7608015,A NL168159C (en) 1975-09-05 1976-07-20 DRILLING UNIT.

Publications (3)

Publication Number Publication Date
NL7908284A NL7908284A (en) 1980-03-31
NL181088B NL181088B (en) 1987-01-16
NL181088C true NL181088C (en) 1987-06-16

Family

ID=27510428

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7908284A NL181088C (en) 1975-09-05 1979-11-13 DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES.

Country Status (1)

Country Link
NL (1) NL181088C (en)

Also Published As

Publication number Publication date
NL7908284A (en) 1980-03-31
NL181088B (en) 1987-01-16

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: FISCHER-WERKE ARTUR FISCHER GMBH & CO. KG

V4 Lapsed because of reaching the maxim lifetime of a patent

Free format text: 960720