Clinching roller

- Protol A.G.
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Description

FIG. 1 is a plan view of a clinching roller, showing my new design;

FIG. 2 is a side view of the clinching roller, showing a peripheral groove with a recess;

FIG. 3 is a perspective view of the clinching roller, showing said recess as seen obliquely from one side; and,

FIG. 4 is a perspective view of the clinching roller, as seen obliquely from the other side.

Referenced Cited
U.S. Patent Documents
D232970 September 1974 Dyrup
D330155 October 13, 1992 Dye
4706481 November 17, 1987 Castricum
Foreign Patent Documents
1168179 October 1969 GBX
2213748 August 1989 GBX
WO8600123 March 1986 WOX
WO8911351 November 1989 WOX
Other references
  • Pamphlet entitled "The Round Revolution" .COPYRGT.1993 Spiro International S.A., Switzerland.
Patent History
Patent number: D379358
Type: Grant
Filed: Mar 8, 1995
Date of Patent: May 20, 1997
Assignee: Protol A.G. (Glarus)
Inventor: Kenneth Lennartsson (Torekov)
Primary Examiner: Holly H. Baynham
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes LLP
Application Number: 0/35,876
Classifications
Current U.S. Class: Deforming Or Crushing (includes Element) (5) (D15/123)
International Classification: 1509;