3642550

Information

• Patent Grant
• 3642550

• References
• Source

• Patent Number

  3,642,550

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • B32B37/146 - whereby one or more of the layers is a honeycomb structure
  • B29C67/2235 - comprising extruding the compounds before foaming
  • B29C69/00 - Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00
  • B29D28/00 - Producing nets or the like
  • B31D3/0253 - involving laminating the expanded core
  • B31D3/0284 - Laminating honeycomb cores; applying cover sheets to core edges; working core edges
  • B32B3/12 - characterised by a layer of regularly- arranged cells
  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • B65D65/406 - with at least one layer provided with a relief other than corrugations
  • C08J9/04 - using blowing gases generated by a previously added blowing agent
  • B29C35/041 - using liquids
  • B29C47/0021 - Flat flexible articles
  • B29C47/0028 - Multi-passage hollow articles
  • B29C47/0033 - Articles having longitudinal irregularities
  • B29C47/0038 - Combined shaping operations
  • B29C47/0042 - Extrusion moulding combined with shaping by internal pressure generated in the material
  • B29C47/0047 - producing flat articles having components brought in contact outside the extrusion die
  • B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
  • B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
  • B29C47/0061 - Extrusion moulding combined with surface shaping
  • B29C47/0064 - Extrusion moulding combined with joining, lining or laminating
  • B29C47/0066 - Extrusion moulding combined with cutting
  • B29C47/02 - incorporating preformed parts or layers
  • B29C47/065 - with components in layered configuration
  • B29K2105/04 - cellular or porous
  • Y10T428/24149 - Honeycomb-like

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 428 - Stock material or miscellaneous articles