High strength-variable porosity sintered metal fiber articles and method of making the same

• US 3,127,668 A
• Filed: 03/03/1955
• Issued: 04/07/1964
• Est. Priority Date: 03/03/1955
• Status: Expired due to Term

• Current Assignee: Walter C. Troy
• Original Assignee: Walter C. Troy
• Inventors: Troy, Walter C.
• Application Number:
  US03/492,007
• Time in Patent Office: 3,323 Days
• US Class Current: 428/605
• CPC Class Codes: B01D 39/2044 sintered or bonded by inorganic agents
• CPC Class Codes: B22F 3/002 Manufacture of articles essentially made from metallic fibres
• CPC Class Codes: D04H 1/4234 Metal fibres
• CPC Class Codes: D04H 1/732 by fluid current, e.g. air-lay
• CPC Class Codes: Y10T 29/49801 Shaping fiber or fibered material
• CPC Class Codes: Y10T 428/12424 Mass of only fibers
• CPC Class Codes: Y10T 428/12431 Foil or filament smaller than 6 mils

Claims

1. A FIBER METAL SKELETON CONSISTING ESSENTIALLY OF A BONDED MASS OF METAL FIBERS EACH OF SUFFICIENTLY SHORT LENGTH TO BE SUSPENDIBLE IN A FLUID AS DISCRETE FIBERS, THE LENGTHS OF SAID FIBERS BEING IN THE RANGE FROM 0.002 TO 2 INCHES, SAID FIBERS BEING ARRANGED AT RANDOM IN SAID SKELETON AND BEING BONDED AT POINTS OF CONTACT WITH ADJOINING FIBERS TO PROVIDE A SKELETON HAVING A POROSITY IN THE RANGE FROM ABOUT 50% TO ABOUT 95%.