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Seal for shielding enclosure

  • US 5,039,826 A
  • Filed: 11/06/1989
  • Issued: 08/13/1991
  • Est. Priority Date: 11/06/1989
  • Status: Expired due to Fees
First Claim
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1. In a shielding enclosure including wall panels forming a compartment and a door assembly having an exterior skin and being mounted about one of said wall panels which also includes an access opening to and from the compartment and through which opening it is sought to eliminate leakage of radio-frequency wavelengths by a seal across such opening while the enclosure is in a closed mode, the improvement comprisinga flexible interior door skin having an outer face included in the door assembly and a means including an electromagnetic circuit attached to said one of said wall panels about such access opening for engaging said outer face of said flexible interior door skin, thereby providing the seal between said engaging means and flexible interior door skin upon energization of the electromagnetic circuit,said engaging means comprisingan endless metal band and an electromagnetic coil mounted on said band.

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