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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
B21H3/00—Making helical bodies or bodies having parts of helical shape
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Press Drives And Press Lines
(AREA)
Description
Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
Claims (1)
Patent-Anspruch:Patent claim:Die durch Zeichnung und Beschreibung erläuterte Maschine zur Herstellung gedrückter
Gewinde, insbesondere die zu diesem Zweck in Anwendung gebrachte Zusammenstellung einer
rechts- und einer linksgängigen Schraube, welche sich in verschiedenem Sinne, aber mit
gleicher Umfangsgeschwindigkeit drehen.The machine for the production of pressed machines, explained by drawing and description
Thread, in particular the compilation of a
right-hand and one left-hand screw, which are in different senses, but with
rotate at the same peripheral speed.
DENDAT4459D
Machine for pressing threads
ActiveDE4459C
(en)