DE767138C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for drilling long small-diameter holes, especially gun barrels
Assignee: Individual
•
Filing: 1937-12-31
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Granted: 1951-11-08
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Expires: 1957-12-31
Abstract
Abstract Translated from German Bohren von langen Bohrungen kleinen Durchmessers, insbesondere von Gewehrläufen. Zur Kühlung der Bohrstelle wird Pressluft benutzt, die am Aussenumfang der Bohrstange der Bohrstelle zugeführt und mit den Spänen durch eine Innenbohrung der Bohrstange abgeführt wird. Drilling of long, small-diameter holes, especially gun barrels. To cool the drilling point, compressed air is used, which is supplied to the drilling point on the outer circumference of the drilling rod and is discharged with the chips through an inner bore of the drilling rod.
Inventors
- 👤 Karl Burgsmueller
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 15:56
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/02; B23B51/00; B23B51/0006; B23B51/0007; B23B51/04; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036
Claims Analysis
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References Cited (Backward Citations)
GB294457A
Cited
US2092101A
Cited
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