Release liquid applying wick having a grooved feed tube

Details Release liquid applying wick having a grooved feed tube Release liquid applying wick having a grooved feed tube

1990-08-20

1991-09-03

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118258, G03G 1520

Patent

active

050458892

ABSTRACT:
A rotatable wick for a fuser or other fixing device includes a feed tube having distribution holes through which release liquid can be pumped. One or more grooves in the outer surface of the feed tube extend around the tube. The feed holes open into the groove. A thin porous sheath around the tube covers the groove while leaving an air space between the distribution holes and the sheath. A wicking material is wrapped around the outside of the sheath. The sheath protects the distribution holes from contact with the wicking material.

REFERENCES:
patent: 2563048 (1951-08-01), Liebelt et al.
patent: 2563049 (1951-08-01), Liebelt et al.
patent: 2565743 (1951-08-01), Shaefer
patent: 2957448 (1960-10-01), Dynia
patent: 3964431 (1976-06-01), Namiki
patent: 3996888 (1976-12-01), Lofdahl et al.
patent: 4375201 (1983-03-01), Kato
patent: 4429990 (1984-02-01), Tamary
patent: 4757347 (1988-07-01), Tamaoki et al.
patent: 4908670 (1990-03-01), Ndebi

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