Heat resistant porous structure

• US 3,161,478 A
• Filed: 05/29/1959
• Issued: 12/15/1964
• Est. Priority Date: 05/29/1959
• Status: Expired due to Term

• Current Assignee: Hyman Chessin
• Original Assignee: Hyman Chessin
• Inventors: HYMAN CHESSIN
• Application Number:
  US03/816,955
• Time in Patent Office: 2,027 Days
• US Class Current: 428/613
• CPC Class Codes: B22F 2999/00 Aspects linked to processes or compositions used in powder metallurgy
• CPC Class Codes: B22F 3/002 Manufacture of articles essentially made from metallic fibres
• CPC Class Codes: B22F 3/114 the porous products being formed by impregnation B22F3/1137, B22F3/26 take precedence
• CPC Class Codes: B22F 7/002 of porous nature
• CPC Class Codes: B22F 7/06 of composite workpieces or articles from parts, e.g. to form tipped tools B22F7/002 takes precedence
• CPC Class Codes: D04H 1/42 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
• CPC Class Codes: Y10S 165/90 Cooling towers
• CPC Class Codes: Y10S 165/907 Porous
• CPC Class Codes: Y10T 428/12153 Interconnected void structure [e.g., permeable, etc.]
• CPC Class Codes: Y10T 428/12424 Mass of only fibers
• CPC Class Codes: Y10T 428/12444 Embodying fibers interengaged or between layers [e.g., paper, etc.]
• CPC Class Codes: Y10T 428/12479 Porous [e.g., foamed, spongy, cracked, etc.]
• CPC Class Codes: Y10T 428/12632 Four or more distinct components with alternate recurrence of each type component
• CPC Class Codes: Y10T 428/12833 Alternative to or next to each other
• CPC Class Codes: Y10T 428/1284 W-base component

Claims

1. A HIGH HEAT-RESISTANT FABRICATION COMPRISING A POROUS BASIC STRUCTURE CONSISTING OF HIGH HEAT-STRENGTH MATERIAL PARTS SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM AND NICKEL CHROMIUM ALLOYS AGGLOMERATED TO A THICKNESS SEVERAL TIMES GREATER THAN THE THICKNESS OF ANY ONE OF SAID PARTS INTERJOINED BY MEANS OF AN INTERSTITIALLY DEPOSITED METALLIFEROUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND TUNGSTEN ALLOYS BONDING SAID PARTS TOGETHER AND ENCAPSULATING THE LATTER BY LAYERS OF MATERIAL OF SUCH THICKNESSES THAT RESIDUAL PORES OF PREDETERMINED SIZES ARE PROVIDED.