1890081

Information

• Patent Grant
• 1890081

• References
• Source

• Patent Number

  1,890,081

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • B60C19/127 - for inner tubes
  • B29B15/02 - of crude rubber, gutta-percha, or similar substances
  • B29C73/20 - the article material only consisting in part of a deformable sealing material
  • B29D30/0685 - Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0026 - Hollow flexible articles
  • B29C47/003 - Articles having cross-sectional irregularities
  • B29D2030/0687 - by incorporating the sealant into one chamber
  • B29D2030/0691 - through the use of a toroidal support
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2023/003 - having irregular or rough surfaces
  • Y10T152/10702 - within or part of construction of inflating inner tube

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 152 - Resilient tires and wheels