The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 1994
Filed:
May. 18, 1990
Koki Ando, Tokyo, JP;
Abstract
A self-heating container comprises an outer casing (56) having a bottom wall (60) an inner casing (64) secured within the outer casing and a heat-generating material (72) contained in the inner casing. The container includes also a vertical shaft (38) journalled within the inner casing and having a lower end extending out of the bottom wall of the outer casing, a sparking wheel (36) having an abrasive surface and secured to the shaft adjacent the heat-generating material and a flint (40) supported by the inner casing and pressed against the abrasive surface to generate sparks when the wheel is caused to rotate. A horizontal shaft (82) is journalled to the outer casing and adapted to be rotated, and gear means (78,80) couples the vertical shaft (38) and the horizontal shaft (82).