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US 6,474,887 B2Granted
Applicator
AssigneeSakura Color Products Corporation
InventorTatsuya Ozu
Life of this patent
Estimating the term…
Abstract
An applicator with improved safety is provided. Even if the penpoint tip of the applicator has ignited, fire cannot spread over the tip holder. The applicator comprises a main body (2) forming a reservoir 3 to accommodate an occluding body (4) to occlude flammable liquid to be applied, penpoint tips (5,7), and tip holders (6,8). Each of the tip holders (6,8) is made of flame-retardant resin having an oxygen index more than 30 percent.
Claims20
Applicator comprising:
- a main body containing flammable liquid to be applied;
- a tip holder;
- and
- a penpoint tip attached to the main body via the tip holder;
- wherein the tip holder is made of flame-retardant resin.
2 more elements
Applicator comprising:
- a main body containing flammable liquid to be applied;
- a tip holder;
- and
- a penpoint tip attached to the main body via the tip holder;
- wherein the main body and the tip are made of flammable material;
- wherein the liquid contains alcohol, ether and/or ketone as solvent;
- wherein the tip holder is made of a composite material consisting essentially of:
- (a) a resin and
- (b) inorganic metal compound and/or glass fiber more than 15 percent by weight of the composite material.
6 more elements
Applicator comprising:
- a main body containing flammable liquid to be applied;
- a tip holder;
- and
- a penpoint tip attached to the main body via the tip holder;
- wherein the liquid contains alcohol, ether and/or ketone as solvent,
- wherein the tip holder is made of a composite material consisting essentially of:
- (a) at least one selected from the group consisting of polybutylene terephthalate, polyolefin, polycarbonate and ABS resin and
- (b) inorganic substance;
- and
- wherein an oxygen index of the material is more than 30 percent.
7 more elements
Dependencies are inferred from the claim text.