3891494

Information

• Patent Grant
• 3891494

• References
• Source

• Patent Number

  3,891,494

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • B32B37/226 - Laminating sheets, panels or inserts between two continuous plastic layers
  • B26D3/003 - specially adapted for cutting rubber
  • B26F1/20 - with tools carried by a rotating drum or similar support
  • B29C37/006 - Degassing moulding material or draining off gas during moulding
  • B29C43/222 - characterised by the shape of the surface
  • B29C43/24 - Calendering
  • B29C43/305 - Making multilayered articles
  • B29C70/504 - using rollers or pressure bands
  • B29C43/46 - Rollers
  • B29C2043/464 - having projections or knives
  • B29C2043/465 - having one or more cavities
  • B29C2793/0036 - Slitting
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29K2105/101 - oriented
  • B29L2030/003 - Plies; Breakers
  • Y10T83/0244 - Including use of orbiting tool carrier
  • Y10T83/0481 - Puncturing
  • Y10T83/9408 - Spaced cut forming tool
  • Y10T156/1056 - Perforating lamina
  • Y10T156/1304 - Means making hole or aperture in part to be laminated

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 083 - Cutting
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus