Patents Assigned to Pine Rest Christian Rehabilitation Services
  • Patent number: 4147518
    Abstract: A fire kindling device, extrusion method for making such devices, and extrusion apparatus for making same. The device is a composition of wood particles or chips of predetermined size and flammable paraffin wax in a ratio of about two parts wax to one part wood by weight. Application of controlled heat and pressure preferably by extrusion impregnates the wood with wax providing advantageous and efficient burning characteristics. The method includes blending quantities of the wood particles and molten wax, solidifying the mixture, extruding the solidified mixture under controlled heat and inserting a wick through the resultant product. The extrusion apparatus includes a cooling system for cooling the extrusion chamber to maintain the quality and consistency of the extruded product.
    Type: Grant
    Filed: March 2, 1977
    Date of Patent: April 3, 1979
    Assignee: Pine Rest Christian Rehabilitation Services
    Inventors: Kenneth L. De Hart, Raymond C. Wing