High-frequency heating coil for metal workpieces

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Description

FIG. 1 is a plane view of the article.

FIG. 2 is a rear view of the article.

FIG. 3 is a plane view of the article.

FIG. 4 is a bottom and view of the article.

FIG. 5 is a left side view of the article.

FIG. 6 is a right side view of the article.

FIG. 7 is a sectional view taken on line A—A in FIG. 3.

FIG. 8 is a perspective view of the article; and,

FIG. 9 is a perspective view of the article in use.

As shown in FIG. 9, the article is a high-frequency heating coil for heating a 2-tier metal workpiece at high frequency.

Claims

The ornamental design for a high-frequency heating coil for metal workpieces, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
3585337 June 1971 Rudd
3708645 January 1973 Osborn
4237359 December 2, 1980 Roth
4482793 November 13, 1984 Lewis
4492840 January 8, 1985 Lex
4577081 March 18, 1986 Balzer
4619717 October 28, 1986 Balzer et al.
D287119 December 9, 1986 Wadia
6097012 August 1, 2000 Shiozuka
Foreign Patent Documents
04-255690 September 1992 JP
Patent History
Patent number: D459797
Type: Grant
Filed: Nov 16, 2000
Date of Patent: Jul 2, 2002
Assignee: Fuji Electronics Industry Co., Ltd.
Inventor: Hiyoshi Watanabe (Yao)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firm: Kilyk & Bowersox, P.L.L.C.
Application Number: 29/132,812
Classifications
Current U.S. Class: Electric (D23/417)
International Classification: 2303;