Powdery composition for heat retention of feeder head

Details Powdery composition for heat retention of feeder head Powdery composition for heat retention of feeder head

1974-09-20

1976-04-27

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 3828, 106 389, B28B 736

Patent

active

039532194

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.

REFERENCES:
patent: 2798818 (1957-07-01), Pletsch
patent: 3082104 (1963-03-01), Belz
patent: 3162558 (1964-12-01), Bishop et al.
patent: 3612155 (1971-10-01), Matsuyama et al.
patent: 3713852 (1973-01-01), Wiley
patent: 3848655 (1974-11-01), Sato et al.

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