3717916

Information

• Patent Grant
• 3717916

• References
• Source

• Patent Number

  3,717,916

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  52 years ago

• CPC

  • F16L11/16 - wound from profiled strips or bands
  • B29C53/78 - using profiled sheets or strips
  • B29C65/10 - using hot gases (
  • B29C65/20 - with direct contact
  • B29C65/58 - Snap connection
  • B29C66/0222 - without removal of material
  • B29C66/0342 - Cooling
  • B29C66/12421 - Teardrop-like, waterdrop-like or mushroom-like interlocking undercuts
  • B29C66/12423 - Dovetailed interlocking undercuts
  • B29C66/12441 - being a single wall
  • B29C66/12461 - being rounded
  • B29C66/12469 - being asymmetric
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/4329 - the joint lines being transversal but non-orthogonal with respect to the axis of said tubular articles
  • B29C66/49 - Internally supporting the
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/81423 - being concave
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • F16L9/16 - wound from sheets or strips, with or without reinforcement
  • B29C53/58 - helically
  • Y10T29/53126 - Means to place sheath on running-length core
  • Y10T29/53439 - including provision to utilize thermal expansion of work
  • Y10T29/53657 - to apply or remove a resilient article [e.g., tube, sleeve, etc.]

• US Classifications

  • 029 - Metal working