3846218

Information

• Patent Grant
• 3846218

• References
• Source

• Patent Number

  3,846,218

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • B65D65/38 - Packaging materials of special type or form
  • B65D65/406 - with at least one layer provided with a relief other than corrugations
  • E04C2/34 - composed of two or more spaced sheet-like parts
  • E04C2/3405 - spaced apart by profiled spacer sheets
  • E04C2002/3472 - with multiple layers of profiled spacer sheets
  • E04C2002/3483 - spaced apart by spacers stamped from the sheets
  • E04C2002/3494 - Apparatus for making profiled spacer sheets
  • Y10T83/6484 - Punch or die station
  • Y10T156/1056 - Perforating lamina
  • Y10T156/1064 - Partial cutting [e.g., grooving or incising]
  • Y10T156/1304 - Means making hole or aperture in part to be laminated
  • Y10T428/24281 - Struck out portion type
  • Y10T428/24289 - Embedded or interlocked

• US Classifications

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