Paper punch die and paper punch with such a die

Details Paper punch die and paper punch with such a die Paper punch die and paper punch with such a die

2011-07-05

2011-07-05

Choi, Stephen (Department: 3724)

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

C083S686000, C083S698910

Reexamination Certificate

active

07971513

ABSTRACT:
A paper punch die (125) is disclosed as including a top part (110, 202, 302) and a platform (100, 206, 306) engaged with each other, the platform (100, 206, 306) having an upper major surface (106) and a lower major surface (126, 207, 307), the upper major surface of the platform (100, 206, 306) being in abutment with a lower major surface (118) of the top part (110, 202, 302), and an endless wall (130) with an undulating cutting edge (132) extending away from the lower major surface (126, 207, 307) of the platform (100, 206, 306). There is also disclosed a paper punch (140) including such a paper punch die (125).

REFERENCES:
patent: 3373643 (1968-03-01), Spengler
patent: 6000139 (1999-12-01), Chan
patent: 6089137 (2000-07-01), Lee
patent: 6711977 (2004-03-01), Tsai
patent: 6739244 (2004-05-01), Carbaugh
patent: 2003/0070523 (2003-04-01), Lin
patent: 2004/0129124 (2004-07-01), Chan
patent: 2008/0168877 (2008-07-01), Chan

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