Mold clearing tool

Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – Removal-miscellaneous

Reexamination Certificate

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Details

C425S190000, C425S226000, C425S317000

Reexamination Certificate

active

07988443

ABSTRACT:
A mold clearing tool includes a support portion and a draft portion. The support portion includes a bracket and two poles extending downward from two ends of the bracket. The bracket includes a second through hole defined therein. The draft portion includes a main body and a spiral draft end on one end of the main body. The spiral draft end is threaded outside. The draft portion is movably received through the second through hole for clearing excess material remaining in a molding chamber. The molding chamber includes a plurality of first through holes defined therein.

REFERENCES:
patent: 1057492 (1913-04-01), Munzinger
patent: 1091301 (1914-03-01), Doheny
patent: 1518222 (1924-12-01), Sather
patent: 1818626 (1931-08-01), Johnston
patent: 2060888 (1936-11-01), Newman
patent: 2408450 (1946-10-01), Schrader
patent: 2505738 (1950-04-01), Howell
patent: 2729124 (1956-01-01), Farandatos
patent: 3599311 (1971-08-01), Ellis
patent: 4989312 (1991-02-01), Maddalena
patent: H1349 (1994-09-01), Kelley
patent: 5441399 (1995-08-01), Campbell et al.
patent: 5692282 (1997-12-01), Baca
patent: 6305061 (2001-10-01), King
patent: 6978696 (2005-12-01), Yu
patent: 7520041 (2009-04-01), Aguilar
patent: 7685688 (2010-03-01), Fan
patent: 2003/0037425 (2003-02-01), Sawaya
patent: 2008/0152749 (2008-06-01), Wan

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