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Gasket with encased load sensor

  • US 5,121,929 A
  • Filed: 06/24/1991
  • Issued: 06/16/1992
  • Est. Priority Date: 06/24/1991
  • Status: Expired due to Term
First Claim
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1. A load sensing gasket having a gasket body defining at least one service opening for fluids and having a load sensing means encased in said body, said gasket body comprisinga first gasket layer providing a first outer gasketing surface and a first inner surface,a second gasket layer providing a second outer gasketing surface and a second inner surface,said inner surfaces defining a cavity having confronting surface portions and side wall means for defining a perimeter for said cavity, said load sensing means being disposed in said cavity,said load sensing means comprising first electrode means in said cavity adjacent said one surface portion, second electrode means confronting said first electrode means and disposed adjacent the other surface portion, a pressure sensitive electrically resistive material between said first and second electrode means, and conductors for said first and second electrode means extending outwardly of said perimeter, each said conductor terminating in a contact, andsealing means between said first and second gasket layers around said load sensing means to seal said electrode means within said cavity from fluids when the gasket is in use.

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