Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Reexamination Certificate
2011-03-01
2011-03-01
Ruthkosky, Mark (Department: 1782)
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
C264S035000
Reexamination Certificate
active
07897221
ABSTRACT:
A mold for producing a blade for office appliances, wherein a resilient member made of a heat-curable material is adhered to a base plate. The mold includes a cavity corresponding to the resilient member of the blade, a space for placing the base plate adjacent to the cavity, a runner for passing the heat-curable material therethrough and injecting the heat-curable material into the cavity, and a heating means adjacent to the cavity, for causing curing of the heat-curable material in the cavity. At least a part of said runner, including an outlet thereof, is comprised of a cold runner for maintains the heat-curable material, which remains in the cold runner, at a temperature lower than its curing temperature.
REFERENCES:
patent: 4579520 (1986-04-01), Gellert
patent: 2671790 (2005-01-01), None
patent: 11-065343 (1999-03-01), None
patent: 11249422 (1999-09-01), None
patent: 200043104 (2000-02-01), None
patent: 2001-117358 (2001-04-01), None
Machine Translation of JP11-065343 Mar. 1999.
Machine Translation of JP 2001-117358, Apr. 2001.
Chinese Office Action issued Jun. 27, 2008 in counterpart CN application No. 2006100791291 (English and Chinese), 10 pages.
Japanese Office Action dated May 25, 2010, with an English language translation.
Bridgestone Corporation
Kashnikow Erik
Ruthkosky Mark
Sughrue & Mion, PLLC
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