Wire guiding roller

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Description

FIG. 1 is a perspective view of a wire guiding roller;

FIG. 2 is a right side elevational view thereof, the left side elevational view being identical with FIG. 2;

FIG. 3 is a front elevational view thereof, the rear elevational view, the top plan view, and the bottom plan view being identical with FIG. 3; and,

FIG. 4 is a referential view showing location of the present article in a wire saw for semiconductors.

Referenced Cited
U.S. Patent Documents
D285798 September 23, 1986 Brunnegard et al.
4044509 August 30, 1977 Bos et al.
Patent History
Patent number: D399855
Type: Grant
Filed: Aug 5, 1997
Date of Patent: Oct 20, 1998
Assignee: Nippei Toyama Corporation
Inventor: Yasuhiro Ito (Yokohama)
Primary Examiner: Antoine Duval Davis
Law Firm: Trask, Britt & Rossa
Application Number: 0/74,158
Classifications
Current U.S. Class: Sawing (includes Element) (D15/133); Element Or Attachment (D15/138); Element Or Attachment (D15/78)
International Classification: 1509;