Patent · US Expired

Device for forming triangular glass knives

US6308877A · kind A · utility

2Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1997
Grant dateOct 30, 2001
Priority date
Expiry dateFeb 24, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T225/379
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.