1819431

Information

• Patent Grant
• 1819431

• References
• Source

• Patent Number

  1,819,431

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  94 years ago

• CPC

  • B21D28/06 - Making more than one part out of the same blank Scrapless working
  • Y10T83/4577 - Work fed successively to plural tools
  • Y10T83/4635 - Comprises element entering aperture in, or engaging abutment surface on, work
  • Y10T83/6486 - Notcher or pinker station
  • Y10T83/6572 - With additional mans to engage work and orient it relative to tool station
  • Y10T83/6656 - Rectilinear movement only
  • Y10T83/8831 - Plural distinct cutting edges on same support

• US Classifications

  • 083 - Cutting
  • 414 - Material or article handling