Einrichtung zum Brechen von Dreiecks-Glasmessern für die Ultra-Mikrotomie

摘要

A device for forming two triangular glass knives from a glass square, such as for ultramicrotomy, has a rotary table and a holding device for receiving, aligning, and fixing the glass square to be broken positioned on the rotary table. The holding device has two opposingly arranged clamping jaws of U-shaped profile for holding the glass square therebetween arranged on the rotary table. The rotary table's axis of rotation is aligned with the center of the glass square held between the clamping jaws. A scoring and breaking device is positioned above the table alignable with the glass square.