3493458

Information

• Patent Grant
• 3493458

• References
• Source

• Patent Number

  3,493,458

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1970
  54 years ago

• CPC

  • E04C2/20 - of plastics
  • B29C45/14336 - Coating a portion of the article
  • B29C70/74 - Moulding material on a relatively small portion of the preformed part
  • B65D65/38 - Packaging materials of special type or form
  • B29C45/00 - Injection moulding
  • B29C2045/14893 - Preventing defects relating to shrinkage of inserts or coating material
  • E04C2002/3466 - with sinusoidal corrugations
  • Y10T156/1051 - by folding
  • Y10T428/24488 - Differential nonuniformity at margin

• US Classifications

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