The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1976
Filed:
Sep. 20, 1974
Masaru Takashima, Wakabaya, JA;
Aikoh Co., Ltd., Tokyo, JA;
Abstract
A powdery composition for heat retention of feeder head comprising carbonized plant (i.e., baked vegetable material) containing a large amount of fibrous matter and at least one substance selected from refractory material, easily oxidizable metal, metal oxide and inorganic material effective for heat retention of feeder head, each of said substances having a particle size distribution of less than 50% in parts by weight of 48 to 200 mesh particles with the remainder being particles larger than 48 mesh and smaller than 200 mesh and the amount of said substance having a particle size of larger than 48 mesh being approximately equal to that of said substance having a particle size of smaller than 200 mesh.