3327383

Information

• Patent Grant
• 3327383

• References
• Source

• Patent Number

  3,327,383

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1967
  57 years ago

• CPC

  • B23K13/046 - for tubes
  • B21C37/09 - of coated strip material; Making multi-wall tubes

• US Classifications

  • 228 - Metal fusion bonding
  • 138 - Pipes and tubular conduits