Dispenser seal

Details Dispenser seal Dispenser seal

2007-03-28

2011-11-15

Walczak, David (Department: 3751)

Coating implements with material supply

Including tool with blade-like, pad-like, or apertured...

Apertured tool

C015S257072, C222S153060, C222S153070, C222S542000

Reexamination Certificate

active

08057118

ABSTRACT:
A dispenser has a barrel which is closed at one end by a base and has a plurality of apertures at the other end through which a viscous material such as a gel or lotion is dispensed. In one aspect, the invention can be a dispenser for a viscous substance comprising: a barrel having a base at a first end and an upper wall area having a plurality of apertures at a second end; a seal unit having a bottom surface with a plurality of projections depending from the bottom surface; and the seal unit positioned so that the bottom surface of the seal unit is in contact with the upper wall area of the barrel and the plurality of projections enter into the plurality of apertures.

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patent: 2004/0173645 (2004-09-01), Vogel et al.
patent: 21 09 416 (1972-09-01), None

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