Method for preparing a grinding composition

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United States of America Patent

PATENT NO 8568498
APP PUB NO 20130227893A1
SERIAL NO

13862106

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Abstract

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Composition, apparatus, and methods of composition and apparatus manufacture, for sharpening a paper shredder blade. Composition includes grinding powder, thickening agent, and additive. The thickening agent may be a white oil, an animal oil, a vegetable oil, or a stearine wax. The additive may be an antirust powder, an antiwear powder, an antistatic powder, or an antioxidation powder. The grinding composition is dispensed into a polyethylene film, and sealed to form the grinding apparatus, as a grinding sheet or a grinding packet. A method for forming a grinding sheet includes selecting the constituent materials for a grinding composition; stirring the constituent grinding composition materials; heating the constituent materials to melting; mixing the constituent materials, while melting and intermixing; cooling and packaging the grinding composition to form a grinding sheet or packet.

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Patent Owner(s)

Patent OwnerAddress
AURORA OFFICE EQUIPMENT CO LTD SHANGHAI201181 SHANGHAI CITY JIADING DISTRICT MALU TOWN JIAXIN ROAD NO 388 MUNICIPAL DISTRICT SHANGHAI CITY 201181

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hsin-Hsiung Shanghai, CN 23 37

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