Ventilating ceiling and resilient foam sealing means therefor

• US 3,325,954 A
• Filed: 01/13/1964
• Issued: 06/20/1967
• Est. Priority Date: 01/13/1964
• Status: Expired due to Term

• Current Assignee: Kern C. Olson
• Original Assignee: Kern C. Olson
• Inventors: Olson, Kern C.
• Application Number:
  US04/337,287
• Time in Patent Office: 1,254 Days
• US Class Current: 52/302.1
• CPC Class Codes: E04B 9/241 with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges of the supporting construction
• CPC Class Codes: F24F 13/068 formed as perforated walls, ceilings or floors F24F13/078 takes precedence
• CPC Class Codes: F24F 7/10 with air supply, or exhaust, through perforated wall, floor or ceiling outlet members for directing or distributing air into rooms or spaces, e.g. ceiling air-diffusers F24F13/06

Claims

2. IN A VENTILATING CEILING BELOW A PRESSURIZED PLENUM CHAMBER WHICH CEILING HAS VENTILATING AIR PASSAGES THERETHROUGH AND HAS A PLURALITY OF ASSEMBLED RECTANGULAR CEILING PANELS HAVING PERIPHERAL EDGE-FACES, AND WHICH HAS A SUSPENSION GRID THEREFOR PROVIDING UNDERLYING SUPPORT FOR THE FOUR SIDES OF SAID PANELS AND COMPRISING GRID FORMING MEMBERS HAVING HORIZONTAL FLANGES FOR SAID SUPPORT AND VERTICAL WEBS ABOVE SAID FLANGES SLIGHTLY SPACED FROM SAID EDGE-FACES OF THE PANELS, THE IMPROVEMENT IN WHICH SAID VERTICAL WEBS HAVE A SERIES OF HOLES THERETHROUGH OPPOSITE THE EDGE-FACES OF SAID PANELS, AND IN WHICH SAID WEBS HAVE STRIPS OF RESILIENT SEALING FOAM FORMED IN SITU ON BOTH SIDES OF A SAID WEB AND AN INTEGRAL FOAM CONNECTION THROUGH A SAID HOLE, SAID RIPS BEING IN SEALING CONTACT WITH SAID EDGE-FACES.