FR1112682A - Device for making relatively large diameter holes in masonry - Google Patents

Device for making relatively large diameter holes in masonry

Info

Publication number
FR1112682A
FR1112682A FR1112682DA FR1112682A FR 1112682 A FR1112682 A FR 1112682A FR 1112682D A FR1112682D A FR 1112682DA FR 1112682 A FR1112682 A FR 1112682A
Authority
FR
France
Prior art keywords
masonry
relatively large
large diameter
diameter holes
making relatively
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
Other languages
French (fr)
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.)
FRANZ BRENNER MASCHINEN und WE
Original Assignee
FRANZ BRENNER MASCHINEN und WE
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 FRANZ BRENNER MASCHINEN und WE filed Critical FRANZ BRENNER MASCHINEN und WE
Application granted granted Critical
Publication of FR1112682A publication Critical patent/FR1112682A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0426—Drills for trepanning with centering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
FR1112682D 1953-02-16 1953-04-24 Device for making relatively large diameter holes in masonry Expired FR1112682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE312072X 1953-02-16

Publications (1)

Publication Number Publication Date
FR1112682A true FR1112682A (en) 1956-03-16

Family

ID=6133151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1112682D Expired FR1112682A (en) 1953-02-16 1953-04-24 Device for making relatively large diameter holes in masonry

Country Status (2)

Country Link
CH (1) CH312072A (en)
FR (1) FR1112682A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011100278A1 (en) 2011-04-28 2012-10-31 C. & E. Fein Gmbh Drilling machine, in particular hand-held drilling machine
DE102015003909A1 (en) 2015-03-27 2016-09-29 TRACTO-TECHNlK GmbH & Co. KG Covering layer drilling apparatus and method for drilling a core into a cover layer

Also Published As

Publication number Publication date
CH312072A (en) 1955-12-31

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