US2004237989A1PendingUtilityA1
Wire core mascara brush
Priority: Aug 21, 2002Filed: Jun 29, 2004Published: Dec 2, 2004
Est. expiryAug 21, 2022(expired)· nominal 20-yr term from priority
Inventors:Antonio Montoli
A45D 40/262A46B 3/18A46B 2200/1053A45D 34/042
52
PatentIndex Score
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Claims
Abstract
An improved mascara brush comprises a twisted wire core holding a plurality of radially extending bristles forming a brush at an end of the core. The wire of the twisted wire core has a diameter of about 0.028 inch to about 0.040 inch, and the twisted wire core has a pitch of about 0.140 inch to about 0.250 inch. Preferably, the twisted wire core has a pitch of about 0.150 inch to about 0.200 inch. The bristle density of the bristles per turn of the wire core will vary according to the diameter of the bristles,; the full range of the bristle density is 10-80 bristles per turn.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A brush for applying mascara to eyelashes, comprising:
a twisted wire core holding a plurality of radially extending bristles to form a brush at an end of the core, said twisted wire core being formed of a wire having a diameter of about 0.028 inch to about 0.040 inch and a pitch of about 0.140 inch to about 0.200 inch, said bristles being positioned in said twisted wire core at a bristle density of about 10-80 bristles per turn.
2 . A brush in accordance with claim 1 , wherein said wire is formed of brass, copper or stainless steel.
3 . A brush in accordance with claim 1 , wherein said wire is formed of plastic coated metal wire.
4 . A brush for applying mascara to eyelashes, comprising:
a twisted wire core holding a plurality of radially extending bristles to form a brush at an end of the core, said twisted wire core being formed of a wire having a diameter of about 0.028 inch to about 0.040 inch and a pitch of about 0.150 inch to about 0.250 inch, said bristles being positioned in said twisted wire core at a bristle density of about 10-80 bristles per turn.
5 . A brush in accordance with claim 4 , wherein said twisted wire core has a pitch of about 0.150 inch to about 0.200 inch
6 . A brush in accordance with claim 4 , wherein said wire is formed of brass, copper or stainless steel.
7 . A brush in accordance with claim 4 , wherein said wire is formed of plastic coated metal wire.
8 . A brush in accordance with claim 4 , wherein said bristles having a diameter of 0.011 inch to 0.012 inch, and the brush has a bristle density in the range of 10-18 bristles per turn.
9 . A brush in accordance with claim 8 , wherein said brush has a bristle density in the range of 10-12 bristles per turn.
10 . A brush in accordance with claim 4 , wherein said bristles having a diameter of 0.009 inch to 0.010 inch, and the brush has a bristle density in the range of 12-25 bristles per turn.
11 . A brush in accordance with claim 10 , wherein said brush has a bristle density in the range of 14-20 bristles per turn.
12 . A brush in accordance with claim 4 , wherein said bristles having a diameter of 0.007 inch to 0.008 inch, and the brush has a bristle density in the range of 15-40 bristles per turn.
13 . A brush in accordance with claim 12 , wherein said brush has a bristle density in the range of 18-25 bristles per turn.
14 . A brush in accordance with claim 4 , wherein said bristles having a diameter of 0.005 inch to 0.006 inch, and the brush has a bristle density in the range of 20-45 bristles per turn.
15 . A brush in accordance with claim 14 , wherein said brush has a bristle density in the range of 20-28 bristles per turn.
16 . A brush in accordance with claim 4 , wherein said bristles having a diameter of 0.003 inch to 0.004 inch, and the brush has a bristle density in the range of 22-60 bristles per turn.
17 . A brush in accordance with claim 16 , wherein said brush has a bristle density in the range of 22-35 bristles per turn.
18 . A method of fabricating a mascara brush, comprising the steps of:
placing bristle filaments in a U-shaped wire, said wire having a diameter of about 0.028 inch to about 0.040 inch, said bristles being positioned in said twisted wire core at a bristle density of about 10-60 bristles per turn; twisting said U-shaped wire to form a twisted wire core to a pitch of about 0.150 inch to about 0.250 inch.
19 . A method in accordance with claim 18 , wherein said twisted wire core has a pitch of about 0.150 inch to about 0.200 inch
20 . A brush for applying mascara to eyelashes, comprising:
a twisted wire core holding a plurality of radially extending bristles to form a brush at an end of the core, said twisted wire core being formed of a wire having a diameter of about 0.028 inch to about 0.040 inch and a pitch of about 0.150 inch to about 0.200 inch, said bristles being positioned in said twisted wire core at a bristle density of about 10-60 bristles per turn; a rod having a diameter of about 0.100 inch to 0.250 inch, said twisted wire core being mounted to said rod.
21 . A brush in accordance with claim 20 , wherein said rod has a diameter of about 0.125 inch to 0.175 inch.Join the waitlist — get patent alerts
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