3220107

Information

• Patent Grant
• 3220107

• References
• Source

• Patent Number

  3,220,107

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • B29C65/18 - using heated tools
  • B21C37/09 - of coated strip material; Making multi-wall tubes
  • B22F7/08 - with one or more parts not made from powder
  • B23K20/04 - by means of a rolling mill
  • B29C37/04 - of welded articles
  • B29C43/224 - having a profiled section
  • B29C43/46 - Rollers
  • B29C47/32 - Roller-extrusion nozzles
  • B29C53/385 - using several sheets to form the circumference
  • B29C53/50 - using internal forming surfaces
  • B29C63/065 - continuously
  • B29C66/001 - Joining in special atmospheres
  • B29C66/00141 - Protective gases
  • B29C66/432 - for making tubular articles or closed loops
  • B29C66/433 - Casing-in
  • B29C66/4332 - by folding a sheet over
  • B29C66/81422 - being convex
  • B29C66/81423 - being concave
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • C23C24/08 - by application of heat or pressure and heat
  • B29C47/0016 - Rod-shaped articles
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C2043/463 - corrugated, patterned or embossed surface
  • B29C2043/465 - having one or more cavities
  • B29C2043/468 - take-off rollers
  • B29C2793/009 - after shaping

• US Classifications

  • 228 - Metal fusion bonding
  • 065 - Glass manufacturing
  • 219 - Electric heating