AT83087B - Drill. - Google Patents
Drill.Info
- Publication number
- AT83087B AT83087B AT83087DA AT83087B AT 83087 B AT83087 B AT 83087B AT 83087D A AT83087D A AT 83087DA AT 83087 B AT83087 B AT 83087B
- Authority
- AT
- Austria
- Prior art keywords
- drill
- chip evacuation
- desc
- evacuation grooves
- warning
- Prior art date
Links
Landscapes
- Drilling Tools (AREA)
Description
<Desc/Clms Page number 1>
Bohrer.
Die Form der Spanableitungsnuten des Spiralboh : ers hat den Nachteil, dass der Bohrer in einer Gussform nur nach Überwindung von grossen Schwierigkeiten gegossen werden kann, da die Form aus vielen Stücken zusammengestellt werden muss, so dass eine Massenfabrikation nicht möglich ist.
Gegenstand der Erfindung ist ein Bohrer, welcher keine schraubenförmigen, sondern beiderseits symmetrisch angeordnete wellenförmige Spanableitungsnuten besitzt, so dass er in einer zweiteiligen Gussform gegossen werden kann. Ein weiterer Vorteil dieses Bohrers ist, dass er rechts-oder linkssschneidend verwendet werden kann.
Die Figur zeigt den Bohrer gemäss der Erfindung in Ansicht. Es bezeichnet a den Bohrer und b eine der beiden wellenförmigen Spanableitungsnuten.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Drill.
The shape of the chip evacuation grooves of the spiral drill has the disadvantage that the drill can only be cast in a mold after overcoming great difficulties, since the mold has to be put together from many pieces so that mass production is not possible.
The subject of the invention is a drill which does not have any helical but rather wave-shaped chip evacuation grooves arranged symmetrically on both sides, so that it can be cast in a two-part mold. Another advantage of this drill is that it can be used for right or left cutting.
The figure shows the drill according to the invention in view. It denotes a the drill and b one of the two wave-shaped chip evacuation grooves.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83087T | 1918-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT83087B true AT83087B (en) | 1921-03-10 |
Family
ID=3604313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT83087D AT83087B (en) | 1918-08-23 | 1918-08-23 | Drill. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT83087B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005057996A1 (en) * | 2005-12-05 | 2007-06-06 | Gebr. Brasseler Gmbh & Co. Kg | Root canal instrument |
-
1918
- 1918-08-23 AT AT83087D patent/AT83087B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005057996A1 (en) * | 2005-12-05 | 2007-06-06 | Gebr. Brasseler Gmbh & Co. Kg | Root canal instrument |
DE102005057996B4 (en) * | 2005-12-05 | 2008-08-28 | Gebr. Brasseler Gmbh & Co. Kg | Root canal instrument |
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