Cabinet door construction

• US 3,327,427 A
• Filed: 04/26/1965
• Issued: 06/27/1967
• Est. Priority Date: 04/26/1965
• Status: Expired due to Term

• Current Assignee: Cornelius, Richard T.
• Original Assignee: Cornelius, Richard T.
• Inventors: Cornelius, Richard T.
• Application Number:
  US04/450,617
• Time in Patent Office: 792 Days
• US Class Current: 49/475.1
• CPC Class Codes: E05Y 2900/306 for freezers
• CPC Class Codes: E05Y 2900/31 for refrigerators
• CPC Class Codes: F25D 23/028 Details
• CPC Class Codes: F25D 23/082 Strips
• CPC Class Codes: F25D 2323/024 Door hinges
• CPC Class Codes: F25D 2400/10 Refrigerator top-coolers
• CPC Class Codes: Y10S 49/01 Thermal breaks for frames

Claims

1. A DOOR FOR CLOSING AN OPENING IN A HEAT-INSULATED CABINET COMPRISING:

(A) A FIRST DOOR ELEMENT HAVING A GENERALLY FLAT PERIPHERY;

(B) A SECOND DOOR ELEMENT HAVING A CENTRAL PORTION DISPOSED IN SPACED RELATION TO THE PLANE OF SAID FLAT PERIPHERY AND HAVING A PERIPHERAL FLANGE EXTENDING TOWARD AND PERPENDICULARLY TO SAID FLAT PERIPHERY;

(C) A STRIP INTERPOSED BETWEEN SAID DOOR ELEMENTS AND HAVING A BODY OF GENERALLY L-SHAPED CROSS SECTION, THE LEGS OF WHICH HAVE SLOTS, ONE SLOT OPENING INWARDLY AND THE OTHER SLOT OPENING IN A DIRECTION PERPENDICULAR THERETO, THE INWARDLY OPENING SLOT RECEIVING SAID FLAT PERIPHERY AND SAID OTHER SLOT RECEIVING SAID PERIPHERAL FLANGE;

(D) A GENERALLY ANNULAR FLEXIBLE GASKET HAVING A MARGINAL PORTION INTEGRAL WITH SAID BODY, SAID GASKET BEING SEALINGLY ENGAGEABLE WITH THE CABINET AROUND ITS OPENING;

AND (E) POURED HEAT-INSULATION MATERIAL HAVING AN IN SITUBOND WITH THE INNER SURFACES OF SAID DOOR ELEMENTS, SAID HEAT INSULATING MATERIAL BEING ENCLOSED BY SAID DOOR ELEMENTS AND SAID BODY AND COMPRISING THE SOLE MEANS HOLDING SAID DOOR ELEMENTS AND SAID STRIP IN ASSEMBLED RELATION.