Stock material or miscellaneous articles – Perimeter or corner structure of sheet
Patent
1994-01-26
1996-03-05
Ryan, Patrick J.
Stock material or miscellaneous articles
Perimeter or corner structure of sheet
428599, 428611, 428615, 428653, 428189, 428192, 428332, 428457, 428692, 428900, 340572, 340551, B32B 700
Patent
active
054966116
ABSTRACT:
An antitheft label composed of a soft magnetic metal strip permanently applied to an electroconductive nonmagnetic metal member. The label is attached to an object to prevent the object from being stolen or taken without permission. An object, such as food goods, having such an antitheft label can be thawed or heated in a high-frequency heater such as a microwave oven without developing spark discharge at edges of the soft magnetic metal strip of the label, thereby preventing the occurrence of fire damage to the food product.
REFERENCES:
patent: 3938125 (1976-02-01), Benassi
patent: 4622542 (1986-11-01), Weaver
patent: 4646935 (1987-03-01), Ulam
patent: 4779076 (1988-10-01), Weaver
patent: 4960651 (1990-10-01), Pettigrew et al.
patent: 5083112 (1992-01-01), Piotrowski et al.
Grant & Hackh's Chemical Dictionary, 5th ed., 1987, p. 242.
Homma Akira
Ikeda Takashi
Ryan Patrick J.
Unitika Ltd.
Yamnitzky Marie R.
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