3770546

Information

• Patent Grant
• 3770546

• References
• Source

• Patent Number

  3,770,546

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • B29C63/44 - the shape of the layers or sheathings being adapted to the shape of the articles
  • B29C51/12 - of articles having inserts or reinforcements
  • B29C51/34 - for undercut articles
  • B29C63/22 - using layers or sheathings having a shape adapted to the shape of the article
  • B29C51/00 - Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating
  • B29K2027/06 - PVC
  • B29L2031/724 - Doors
  • B29L2031/7622 - Refrigerators

• US Classifications

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