3774291

Information

• Patent Grant
• 3774291

• References
• Source

• Patent Number

  3,774,291

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  51 years ago

• CPC

  • B23K20/085 - for tubes
  • B21D39/042 - using explosives
  • B21D39/066 - using explosives
  • F28F9/16 - by permanent joints
  • F28F2275/068 - by explosive welding
  • Y10T29/49375 - including conduit expansion or inflation
  • Y10T29/49806 - Explosively shaping

• US Classifications

  • 029 - Metal working
  • 228 - Metal fusion bonding