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Original Assignee
Individual
Publication date
Priority to DEH111984DpriorityCriticalpatent/DE503868C/de
Application grantedgrantedCritical
Publication of DE503868CpublicationCriticalpatent/DE503868C/de
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G5/00—Thread-cutting tools; Die-heads
B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
B23G5/06—Taps
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Treatment Of Fiber Materials
(AREA)
Drilling Tools
(AREA)
Description
Hierzu 1 Blatt Zeichnungen
Claims (1)
Patentanspruch:
Gewindebohrer für Gewinde jeder Art als Zwischen- oder Nachschneider nach
Patent 472 022, dadurch gekennzeichnet, daß die Umfangsschneidkantender Schneidzähne
des kegeligen Bohrerteils gemeinsam wirkende Stufen bilden, die in den voll ausgeschnittenen Zähnen des zylindrischen
Bohxerteils ihren Ausgleich finden.
DEH111984DGewindebohrer fuer Gewinde jeder Art
ExpiredDE503868C
(de)
Perfectionnements à la fabrication des scies, barres coupantes et autres outils à arêtes tranchantes ou des feuilles, bandes ou ébauches servant à les réaliser