3785914

Information

• Patent Grant
• 3785914

• References
• Source

• Patent Number

  3,785,914

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  51 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • B28B1/002 - assembled from preformed elements
  • B28B1/528 - for producing corrugated sheets
  • C04B28/26 - Silicates of the alkali metals
  • C04B38/0083 - from one or more corrugated sheets or sheets bearing protrusions by winding or stacking
  • E04C2002/345 - with triangular corrugations
  • E04C2002/3455 - with trapezoidal corrugations
  • E04C2002/3472 - with multiple layers of profiled spacer sheets
  • E04C2002/3494 - Apparatus for making profiled spacer sheets
  • Y10S428/92 - Fire or heat protection feature
  • Y10S428/921 - Fire or flameproofing
  • Y10T156/1018 - Subsequent to assembly of laminae
  • Y10T156/1025 - to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
  • Y10T428/24702 - with locally deformed crests or intersecting series of corrugations
  • Y10T428/24711 - Plural corrugated components
  • Y10T428/24719 - with corrugations of respective components intersecting in plane projection
  • Y10T428/24727 - with planar component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 261 - Gas and liquid contact apparatus