Durable rotative abrasive structure and method of making the same

• US 3,102,010 A
• Filed: 04/10/1958
• Issued: 08/27/1963
• Est. Priority Date: 04/10/1958
• Status: Expired due to Term

• Current Assignee: Haswell Lang Arthur
• Original Assignee: Haswell Lang Arthur
• Inventors: HASWELL LANG ARTHUR
• Application Number:
  US03/727,520
• Time in Patent Office: 1,965 Days
• US Class Current: 51/297
• CPC Class Codes: B24D 13/04 comprising a plurality of flaps or strips arranged around the axis
• CPC Class Codes: B24D 18/00 Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for

Claims

1. A HEAVY DUTY ROTATIVE ABRASIVE WHEEL STRUCTURE COMPRISING AN ANNULUS OF RADICALLY SHEET MATERIAL RETAINED TION FLAP SECTIONS OF ABRASIVE SHEET MATERIAL RETAINED TOGETHER AT THE RADIALLY INNER ENDS THEREOF, SAID FLAP SECTIONS BEING ENSHEATHED IN AND PENETRATED BY A THIN FLEXIBLE HIGHLY-ADHERENT CENTRIFUGALLY-STABLE POLYMERIZED BINDER FILM OR COATING, SaID FILM OR COATING IMPARTING DURABILITY, IMPROVED WEAR RESISTANCE AND INCREASED ABRADING LIFE TO SaID STRUCTURE, THE COMPOSITION OF SAID FILM OR COATING BEING FURTHER CHARACTERIZED BY PRESENTING A TENACIOUS SURFACE SLIP-RESISTANT AND AT LEAST SLIGHTLY TACKY TO THE SLIDING TOUCH WHEN FORMED PERSE IN A CONTINUOUS SMOOTH-SURFACED FILM OR BODY.