2688906

Information

• Patent Grant
• 2688906

• References
• Source

• Patent Number

  2,688,906

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1954
  70 years ago

• CPC

  • B31F1/205 - Corrugating tubes
  • B21C37/124 - the tubes having a special shape
  • B29C53/581 - using sheets or strips consisting principally of plastics material
  • B29C53/586 - having corrugations
  • B29C53/60 - using internal forming surfaces
  • B29C53/607 - having driving means for advancing the wound articles
  • B29L2023/18 - Pleated or corrugated hoses
  • Y10T156/1018 - Subsequent to assembly of laminae
  • Y10T156/102 - with deformation or cutting of corrugated lamina
  • Y10T156/1082 - Partial cutting bonded sandwich [e.g., grooving or incising]

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture