Patents by Inventor Frank Neat

Frank Neat has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Refractory exothermic heating insulating articles
    Patent number: 4201606
    Abstract: Refractory articles are described which are of use e.g. as hot top lining slabs or riser sleeves in the metallurgical industry. The slabs are both heat insulating and they have exothermic properties when contacted by molten metal. The articles comprise by weight 8 to 20% of a particulate oxidizable metal, 5 to 25% of fibrous refractory material and 5 to 20% of an expanded perlite having a bulk density (untamped) of less than 0.15 g/cc. The overall density of the article is less than 0.75 g/cc.
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: May 6, 1980
    Assignee: Foseco Trading AG.
    Inventor: Frank Neat
  • Feeding unit for a casting
    Patent number: 4131152
    Abstract: A feeding unit comprising a breaker core and a riser sleeve. In a first embodiment the breaker core has a thickness of 10% of the diameter of the riser sleeve and the opening in the breaker core is from 20% to 35% of the riser sleeve diameter.In another embodiment of the invention the breaker core opening is tapered inwardly and downwardly in a generally v-cross sectional shape and one embodiment of the invention will have a symmetrical v-cross sectional area.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: December 26, 1978
    Assignee: Foseco Trading AG
    Inventors: Ronald W. Ruddle, Frank Neat
  • Hot top lining set and method of assembling
    Patent number: 4078296
    Abstract: Ingot mould lining slabs have one or more apertures in their metal contacting face. Hooks are engaged in these and used to lift the slab from a stack and hang it in position in an ingot mould. The slab is then fixed to the mould wall, for example by nailing, and then the hooks are removed.
    Type: Grant
    Filed: June 2, 1976
    Date of Patent: March 14, 1978
    Inventors: David Charles Willard, Frank Neat