High vacuum seal

• US 3,248,119 A
• Filed: 09/19/1963
• Issued: 04/26/1966
• Est. Priority Date: 09/19/1963
• Status: Expired due to Term

• Current Assignee: Henry O. Herrmann, Sidney D. Smith
• Original Assignee: Henry O. Herrmann, Sidney D. Smith
• Inventors: Smith, Sidney D., Herrmann, Henry O.
• Application Number:
  US04/310,058
• Time in Patent Office: 950 Days
• US Class Current: 277/637
• CPC Class Codes: F16J 15/06 with solid packing compressed between sealing surfaces
• CPC Class Codes: F16J 15/106 homogeneous
• CPC Class Codes: Y10S 277/913 Seal for fluid pressure below atmospheric, e.g. vacuum
• CPC Class Codes: Y10S 277/93 Seal including heating or cooling feature

Claims

1. A VACUUM SEAL COMPRISING FIRST AND SECOND RIGID SURFACES, AN INNER RIGID ANNULAR MEMBER SECURED TO SAID FIRST SURFACE, AN OUTER RIGID ANNULAR MEMBER SECURED TO SAID FIRST SURFACE, SAID INNER AND OUTER MEMBERS DEFINING A GASKET RECEIVING CHANNEL THEREBETWEEN, A RESILIENT ANNULAR GASKET MOUNTED WITHIN SAID CHANNEL WHEN SAID GASKET IS IN AN UNSTRESSED CONDITION, SAID INNER RIGID ANNULAR MEMBER BEING WELDED TO SAID FIRST SURFACE ALONG THE PERIPHERY THEREOF, SAID OUTER RIGID ANNULAR MEMBER BEING TUBULAR IN CROSS SECTION, MEANS FOR SUPPLYING COOLANT FLUID TO SAID TUBULAR OUTER RIGID ANNULAR MEMBER, AND MEANS FOR FORCING SAID SECOND SURFACE AGAINST SAID GASKET AND SAID INNER AND OUTER MEMBERS TO FORM A VACUUM SEAL BETWEEN SAID FIRST AND SECOND SURFACES.