3555656

Information

• Patent Grant
• 3555656

• References
• Source

• Patent Number

  3,555,656

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • F28F11/02 - using obturating elements
  • B21D39/066 - using explosives
  • B23K20/085 - for tubes
  • F28F2275/068 - by explosive welding
  • Y10T29/49352 - Repairing, converting, servicing or salvaging
  • Y10T29/49732 - by attaching repair preform, e.g., remaking, restoring, or patching
  • Y10T29/49806 - Explosively shaping

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 165 - Heat exchange