Slider for a solid paste dispenser

Details Slider for a solid paste dispenser Slider for a solid paste dispenser

2005-11-29

2005-11-29

Walczak, David J. (Department: 3751)

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

C401S088000, C401S075000

Reexamination Certificate

active

06969208

ABSTRACT:
A slider for a solid paste dispenser has a planar base portion and a tubular portion projecting from the center of the base portion into a solid paste. A screw rod extends through the base and tubular portions and is engaged therewith in threaded manner, and the tubular portion has as an integral part thereof a radially outwardly extending protrusion or a number of such protrusions so formed as to satisfy the equation S0−SM≧S1+S2+ . . . +Snwhere S0stands for the area (cm2) of the upper surface of the base portion, S1to Sneach stand for the area (cm2) of the lower surface of one of the n protrusions, and SMstands for a maximum area (cm2) of S1to Snin which each of S0and S1to Snexcludes the area occupied by the tubular portion.

REFERENCES:
patent: 3219044 (1965-11-01), Bau
patent: 3612705 (1971-10-01), Duval
patent: 3118893 (1982-11-01), None
patent: 2000335193 (2000-12-01), None

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