1915221

Information

• Patent Grant
• 1915221

• References
• Source

• Patent Number

  1,915,221

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1933
  91 years ago

• CPC

  • B32B38/1841 - during laying up
  • B28B21/72 - Producing multilayer tubes
  • B32B37/00 - Methods or apparatus for laminating
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T156/1317 - Means feeding plural workpieces to be joined

• US Classifications

  • 227 - Elongated-member-driving apparatus
  • 029 - Metal working
  • 156 - Adhesive bonding and miscellaneous chemical manufacture