AT96806B - Process for the production of intermediate pieces for deep drilling rods (sliding shears). - Google Patents

Process for the production of intermediate pieces for deep drilling rods (sliding shears).

Info

Publication number
AT96806B
AT96806B AT96806DA AT96806B AT 96806 B AT96806 B AT 96806B AT 96806D A AT96806D A AT 96806DA AT 96806 B AT96806 B AT 96806B
Authority
AT
Austria
Prior art keywords
production
intermediate pieces
deep drilling
drilling rods
shears
Prior art date
Application number
Other languages
German (de)
Original Assignee
Vickers Ltd
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 Vickers Ltd filed Critical Vickers Ltd
Application granted granted Critical
Publication of AT96806B publication Critical patent/AT96806B/en

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  • Forging (AREA)

Description

  

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 EMI1.2

Claims (1)

PATENT-ANSPRUCH : Verfahren zur Herstellung von Zwischenstücken für Tiefbohrgestänge (Rutschscheren). dadurch gekennzeichnet, dass ein Stahlblock od. dgl. durch Vorschmieden mit abgerundeten Enden und mit einem verstärkten, annähernd quadratischen Mittelteil versehen wird und hierauf durch Lochen und Schmieden in Gesenken an ihm zwei einander übergreifende U-Schlitze in zueinander senkrechten Ebenen und mit einander zugekehrten Schenkeln hergestellt werden, worauf das Werkstück in seiner Längsmitte durch einander schneidende, in den Diagonalen des Querschnittes liegende Bohrungen in zwei kettenglieder- EMI2.1 EMI2.2 PATENT CLAIM: Process for the production of intermediate pieces for deep drilling rods (sliding shears). characterized in that a steel block or the like is provided with rounded ends and with a reinforced, approximately square central part by forging and then by punching and forging in dies on it two overlapping U-slots in mutually perpendicular planes and with mutually facing legs are made, whereupon the workpiece in its longitudinal center through intersecting holes in the diagonals of the cross-section in two chain links EMI2.1 EMI2.2
AT96806D 1921-03-12 1921-05-10 Process for the production of intermediate pieces for deep drilling rods (sliding shears). AT96806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB96806X 1921-03-12

Publications (1)

Publication Number Publication Date
AT96806B true AT96806B (en) 1924-05-10

Family

ID=9876694

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96806D AT96806B (en) 1921-03-12 1921-05-10 Process for the production of intermediate pieces for deep drilling rods (sliding shears).

Country Status (1)

Country Link
AT (1) AT96806B (en)

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