SILICONE RUBBER GASKET WITH PERFORATED METAL CORE AND METHOD

A valve cover gasket has a perforated central core of metal including protrusions extending from planar sides of the core. Silk screened on each side of the core is a silicone foam rubber layer adapted to replace traditional cork gasket structures used for same purpose. The silicone rubber layers in...

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1. Verfasser: RAKAUSKAS, PAUL V
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description A valve cover gasket has a perforated central core of metal including protrusions extending from planar sides of the core. Silk screened on each side of the core is a silicone foam rubber layer adapted to replace traditional cork gasket structures used for same purpose. The silicone rubber layers include a foaming agent that causes the material to expand during an oven-curing period. The amount of expansion of the silicone rubber coating is up to three times the thickness of the coating originally applied. As disclosed, the oven cure is for approximately 10 minutes at 300 degrees Fahrenheit. The protrusions prevent the silicone rubber material from being fully compressed; the protrusions are designed not to flatten under normal gasket compression loads. The peaks of the protrusions act as compression loads stops to limit amount of permissible compression of the silicone rubber layers. Se proporciona una empaquetadura de cubierta de valvula que tiene un nucleo central perforado de metal que incluye proyecciones que se extienden desde lados planos del nucleo. Se somete a serigrafia en cada lado del nucleo una capa de caucho de espuma de silicona adaptada para sustituir las estructuras de empaquetadura de corcho tradicionales utilizadas para el mismo proposito. Las capas de caucho de silicona incluyen un agente espumante que provoca que el material se expanda durante un periodo de curado en horno. La cantidad de expansion del recubrimiento de caucho de silicona es de hasta tres veces el espesor del recubrimiento aplicado originalmente. Como se describe, el curado en horno es durante aproximadamente 10 minutos a 149degree C (300degree Fahrenheit). Las proyecciones evitan que el material de caucho de silicona se comprima completamente; las proyecciones estan disenadas para no ser aplanadas bajo las cargas normales de compresion de la empaquetadura. Los picos de las proyecciones actuan como topes de cargas de compresion para limitar la cantidad de compresion permisible de las capas de caucho de silicona.
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Se somete a serigrafia en cada lado del nucleo una capa de caucho de espuma de silicona adaptada para sustituir las estructuras de empaquetadura de corcho tradicionales utilizadas para el mismo proposito. Las capas de caucho de silicona incluyen un agente espumante que provoca que el material se expanda durante un periodo de curado en horno. La cantidad de expansion del recubrimiento de caucho de silicona es de hasta tres veces el espesor del recubrimiento aplicado originalmente. Como se describe, el curado en horno es durante aproximadamente 10 minutos a 149degree C (300degree Fahrenheit). Las proyecciones evitan que el material de caucho de silicona se comprima completamente; las proyecciones estan disenadas para no ser aplanadas bajo las cargas normales de compresion de la empaquetadura. 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Silk screened on each side of the core is a silicone foam rubber layer adapted to replace traditional cork gasket structures used for same purpose. The silicone rubber layers include a foaming agent that causes the material to expand during an oven-curing period. The amount of expansion of the silicone rubber coating is up to three times the thickness of the coating originally applied. As disclosed, the oven cure is for approximately 10 minutes at 300 degrees Fahrenheit. The protrusions prevent the silicone rubber material from being fully compressed; the protrusions are designed not to flatten under normal gasket compression loads. The peaks of the protrusions act as compression loads stops to limit amount of permissible compression of the silicone rubber layers. Se proporciona una empaquetadura de cubierta de valvula que tiene un nucleo central perforado de metal que incluye proyecciones que se extienden desde lados planos del nucleo. Se somete a serigrafia en cada lado del nucleo una capa de caucho de espuma de silicona adaptada para sustituir las estructuras de empaquetadura de corcho tradicionales utilizadas para el mismo proposito. Las capas de caucho de silicona incluyen un agente espumante que provoca que el material se expanda durante un periodo de curado en horno. La cantidad de expansion del recubrimiento de caucho de silicona es de hasta tres veces el espesor del recubrimiento aplicado originalmente. Como se describe, el curado en horno es durante aproximadamente 10 minutos a 149degree C (300degree Fahrenheit). Las proyecciones evitan que el material de caucho de silicona se comprima completamente; las proyecciones estan disenadas para no ser aplanadas bajo las cargas normales de compresion de la empaquetadura. Los picos de las proyecciones actuan como topes de cargas de compresion para limitar la cantidad de compresion permisible de las capas de caucho de silicona.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
title SILICONE RUBBER GASKET WITH PERFORATED METAL CORE AND METHOD
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