3731791

Information

• Patent Grant
• 3731791

• References
• Source

• Patent Number

  3,731,791

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • E21D20/02 - with provisions for grouting
  • C04B40/0666 - Chemical plugs based on hydraulic hardening materials
  • C08J3/241 - Preventing premature crosslinking by physical separation of components
  • C09J9/005 - Glue sticks
  • E21D20/026 - Cartridges; Grouting charges
  • E21D21/0026 - characterised by constructional features of the bolts
  • F16B13/141 - Fixing plugs in holes by the use of settable material
  • C08L67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain Compositions of derivatives of such polymers
  • C09J2203/102 - in the form of dowels, anchors or cartridges
  • C09J2467/00 - Presence of polyester
  • F16B13/143 - using frangible cartridges or capsules containing the setting components
  • Y10T428/31536 - Including interfacial reaction product of adjacent layers

• US Classifications

  • 206 - Special receptacle or package
  • 053 - Package making
  • 405 - Hydraulic and earth engineering
  • 428 - Stock material or miscellaneous articles