Method of manufacturing a reference member for calibrating toner

Details Method of manufacturing a reference member for calibrating toner Method of manufacturing a reference member for calibrating toner

1991-10-03

1993-08-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

252 6254, 264162, 264319, 264349, B29C 6702

Patent

active

052366480

ABSTRACT:
A toner concentration reference member which shows substantially no temperature effects is manufactured by a process employing the milling of ferrite particles together with the epoxy beads for several hours without using any solvent. After milling, the dry mixture is pressed in a powder press into pallet form. The still fragile, pressed reference members are removed from the press and baked at elevated temperatures to induce the epoxy to thermally set. With baking, the reference members become mechanically stable and durable and, thus, easy to handle.

REFERENCES:
patent: 3923946 (1975-12-01), Meyer
patent: 4285825 (1981-08-01), Isobe et al.
patent: 4358419 (1982-11-01), Byrne et al.
patent: 4620933 (1986-11-01), Ochiai et al.
patent: 4627959 (1986-12-01), Gilman et al.
patent: 4919858 (1990-04-01), Newton et al.

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