Base for a paper punch and method of forming same

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United States of America Patent

PATENT NO 7726227
APP PUB NO 20080184859A1
SERIAL NO

11669990

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Abstract

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A method of forming a base (118) for a paper punch (154) is disclosed as including the steps of (a) providing a cast iron core (102) with a wall (104) and a plate (106) with a hole (108); (b) providing two generally U-shaped cast iron plates (110); (c) positioning the plates (110) spaced apart from and on opposite sides of the core (102); and (d) insert-molding the core (102) and plates (106) with a plastics material, e.g. ABS.

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Patent Owner(s)

Patent OwnerAddress
LEE TACK PLASTIC & METAL MANUFACTORY LTDUNIT 1606-1609 16/F TOWER A REGENT CENTRE 63 WO YI HOP ROAD KWAI CHUNG NEW TERRITORIES HONG KONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Kwok Ki Stephen Hong Kong, HK 8 33

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