2445290

Information

• Patent Grant
• 2445290

• References
• Source

• Patent Number

  2,445,290

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1948
  76 years ago

• CPC

  • B29D99/0003 - Producing profiled members
  • B29C33/485 - cores or mandrels
  • B29C66/73752 - the to-be-joined areas of both parts to be joined being uncured
  • B29C66/73941 - characterised by the materials of both parts being thermosets
  • B29C70/347 - combined with compressing after the winding of lay-ups having a non-circular cross-section
  • B29D24/004 - the structure having vertical or oblique ribs
  • B29D24/008 - the structure having hollow ridges, ribs or cores
  • B29D99/0021 - provided with plain or filled structures
  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B31F1/00 - Mechanical deformation of paper or cardboard without removing material
  • B31F7/002 - tubular articles
  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • Y10T428/24174 - including sheet or component perpendicular to plane of web or sheet
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes