3546746

Information

• Patent Grant
• 3546746

• References
• Source

• Patent Number

  3,546,746

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  55 years ago

• CPC

  • B21C23/14 - Making other products
  • B21C23/00 - Extruding metal Impact extrusion
  • B21C23/007 - Hydrostatic extrusion
  • B29C43/16 - Forging
  • B29C43/361 - with pressing members independently movable of the parts for opening or closing the mould
  • B29C45/14065 - Positioning or centering articles in the mould
  • B29C51/002 - characterised by the choice of material
  • B29C51/04 - Combined thermoforming and prestretching
  • B29C51/082 - by shaping between complementary mould parts
  • B29C67/0003 - Moulding articles between moving mould surfaces
  • B29C33/20 - Opening, closing or clamping
  • B29C33/56 - Coatings
  • B29C43/42 - for undercut articles
  • B29C51/10 - Forming by pressure difference
  • B29C2043/3283 - for moving moulds or mould parts
  • B29C2043/3618 - plurality of counteracting elements
  • B29C2043/3631 - moving in a frame for pressing and stretching; material being subjected to compressing stretching
  • B29K2023/12 - PP
  • B29K2055/00 - Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K23/00 - B29K49/00
  • B29K2086/00 - Use of specific polymers obtained by polycondensation or polyaddition, not provided for in a single one of main groups B29K59/00 - B29K85/00, as moulding material

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus