Tape core mandrel

Description

FIG. 1 is a perspective view of a tape core mandrel showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view, the rear elevation being a mirror image thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a right side elevational view, the left side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D263400 March 16, 1982 Sato
4050649 September 27, 1977 Haag
4315608 February 16, 1982 Bettenhausen
Foreign Patent Documents
597057 April 1934 DE2
Patent History
Patent number: D298952
Type: Grant
Filed: Jun 28, 1985
Date of Patent: Dec 13, 1988
Assignee: Minnesota Mining and Manufacturing Company (Saint Paul, MN)
Inventor: Dennis L. Crawford (Roberts, WI)
Primary Examiner: Charles A. Rademaker
Attorneys: Donald M. Sell, John C. Barnes
Application Number: 6/749,668
Classifications