Method for forming a dispenser
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United States of America Patent
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Aug 14, 2012
Grant Date -
Feb 23, 2012
app pub date -
Nov 2, 2011
filing date -
Oct 4, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method of producing a dispenser for a viscous substance comprising forming a barrel having a top surface with plurality of apertures at one end, directly molding a thermoplastic seal unit onto said top surface, said thermoplastic flowing into said plurality of apertures during molding to form a seal unit having a substantially planar section and a plurality of depending projections. The seal unit can be removable and usually not replaceable after each use of the dispenser. The seal unit can have pull tabs for the easy removal of the seal unit. This seal unit provides a positive seal for the lotion or gel substance that is to be dispensed from the barrel.
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