CHEMICAL HEATING PAD WITH DIFFERING AIR-ADMITTING PERFORATION SETS FOR DIFFERENT HEAT-GENERATION LEVELS - Patent 0344176

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EP 0 344 176 A1

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(43)	Date of publication:
	06.12.1989 Bulletin 1989/49

(21)	Application number: 88900976.0

(22)	Date of filing: 15.12.1987

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International Patent Classification (IPC):

A61F 7/ 00^{( . )}
F24J 1/ 00^{( . )}

A61F 7/ 03^{( . )}

(86)	International application number:
	PCT/US1987/003339

(87)	International publication number:
	WO 1989/005948 (29.06.1989 Gazette 1989/14)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

(71)	Applicant: HYPERTHERM TECHNOLOGIES, INC.
	Kenosha, WI 53140 (US)

(72)	Inventor:
	PODELLA, Carl, W. Kenosha, WI 53140 (US)

(74)	Representative: Vogel, Georg
	Pat.-Ing. Georg Vogel Hermann-Essig-Strasse 35 D-71701 Schwieberdingen D-71701 Schwieberdingen (DE)

(54)	CHEMICAL HEATING PAD WITH DIFFERING AIR-ADMITTING PERFORATION SETS FOR DIFFERENT HEAT-GENERATION LEVELS