3591439

Information

• Patent Grant
• 3591439

• References
• Source

• Patent Number

  3,591,439

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • B29D30/3007 - by feeding a sheet perpendicular to the drum axis and joining the ends to form an annular element
  • B29D30/26 - Accessories or details
  • B29D2030/241 - Auxiliary drums used for temporary storage of the layers before application to the building drums
  • B29D2030/2678 - by using magnets
  • B29L2030/005 - Belts

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture