3821333

Information

• Patent Grant
• 3821333

• References
• Source

• Patent Number

  3,821,333

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B29D11/00413 - made by moulding between two mould parts which are not in direct contact with one another
  • B29C33/0038 - with sealing means or the like
  • B29D11/00528 - Consisting of two mould halves joined by an annular gasket
  • C08L23/0853 - Vinylacetate
  • C08L23/16 - Elastomeric ethene-propene or ethene-propene-diene copolymers
  • B29L2031/7602 - Maps
  • Y10S425/808 - Lens mold
  • Y10T428/215 - Seal, gasket, or packing

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 525 - Synthetic resins or natural rubbers