Cartridges containing self-setting mixes
Dual compartment package and method for making same Patent #: 4009778
ApplicationNo. 05/863134 filed on 12/22/1977
US Classes:206/219, FOR MIXING405/259.6Breaking canister or packet
ExaminersPrimary: Smith, Robert I.
Attorney, Agent or Firm
International ClassesE21D 20/02 (20060101)
E21D 20/00 (20060101)
AbstractA two pocket rock bolt resin package containing, in one pocket, a polyester together with sodium bicarbonate and calcium carbonate and, in a second pocket, a curing agent, water and a weak acid.