3474496

Information

• Patent Grant
• 3474496

• References
• Source

• Patent Number

  3,474,496

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • B29D35/061 - by injection moulding
  • A43B13/04 - plastics, rubber or vulcanised fibre
  • A43B13/28 - characterised by their attachment, also attachment of combined soles and heels
  • B29C45/1418 - the inserts being deformed or preformed
  • B29C45/14196 - the inserts being positioned around an edge of the injected part
  • B29D35/065 - by compression moulding, vulcanising or the like
  • B29D35/082 - injecting first the outer sole part
  • B29D35/087 - forming first the outer sole part

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes