3837387

Information

• Patent Grant
• 3837387

• References
• Source

• Patent Number

  3,837,387

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • B29D30/70 - Annular breakers
  • B29D30/3028 - by feeding a continuous band and winding it helically
  • B60C9/20 - built-up from rubberised plies each having all cords arranged substantially parallel
  • B29D2030/385 - made by winding and joining a continuous reinforced rubber band onto a mandrel, to obtain a tubular article as an intermediate element in the manufacture of the insert
  • B29D2030/386 - the tubular article being cut to obtain a flat, single-layer insert

• US Classifications

  • 152 - Resilient tires and wheels