Structure on a bi-color rust-proof barrier layer of a tool head

Details Structure on a bi-color rust-proof barrier layer of a tool head Structure on a bi-color rust-proof barrier layer of a tool head

2003-11-05

2004-09-07

Koehler, Robert R. (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S666000, C428S680000, C428S687000, C428S458000, C428S461000, C428S467000, C428S927000, C428S935000

Reexamination Certificate

active

06787248

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a structure on a bi-color rust-proof barrier layer of a tool head, mainly used to form a recessed section on a surface of a metallic object so that the structure on the rust-proof barrier layer painted with the different two colors is provided between the recessed section and the peripheral surface.
BACKGROUND OF THE INVENTION
According to this present invention, the surface of the metallic object is coated with an electroplated layer or a dyed layer in order to form a barrier layer on the metallic object for achievement of the rust-proof performance. In a step of applying the barrier layer on the metallic object, a chromatism of the barrier layer is derived to emphasize a distinction between the products.
Referring now to FIG.
1
and
FIG. 4
, a diagram is shown for the steps of applying a self-color rust-proof barrier layer on the surface of the metallic object through a known skill; first, a properly cut “metallic base material
10
” is used and then formed into a “specified product
11
” through a lathe or a milling, and impurities on the surface of the material
10
are cleaned away through a working procedure of “sand blasting” or “vibration grinding”, heated through a “heat treatment” for hardness enhancement, and finally put in an electroplating bath or in a dyeing tank so as to be applied with the rust-proof “electroplated layer” or the “dyed layer”, thereby being formed into a “finished product”; the “finished product” formed with the processing steps only may optionally into a single “hue-dyed” or “hue-electroplated” product with a more monotonous texture of vision but without a structure of two colors.
Referring now to FIG.
2
and
FIG. 4
, a diagram is shown for the steps of applying the self-color rustproof barrier layer on the surface of the metallic object through the known skill. First, the properly cut “metallic base material
10
” is used and then formed into the “specified product
11
” through the lathe or the milling, and after impurities on the surface of the material
10
are cleaned away through the working procedure of “sand blasting” or “vibration grinding” heated through the “heat treatment” for hardness enhancement, covered with a sheath
13
in a portion (a screwdriver's head
12
) required for no electroplating and then put in the electroplating bath for “electroplating treatment” so that the body
11
of the screwdriver may be beforehand formed with the electroplated layer, and finally uncovered and then put in the dyeing tank for the “dyeing treatment”, in which only the head
12
of the screwdriver may be dyed because the surface of the head body
11
of the screwdriver has been formed with an electroplated layer, thereby being formed with a 2-segment structure of two colors.
Referring now to FIG.
3
and
FIG. 4
, a diagram is shown for the steps of applying the self-color rustproof barrier layer on the surface of the metallic object through the known skill. First, the properly cut “metallic base material
10
” is in advance put in the electroplating bath for “electroplating treatment” so as to be formed with the electroplated layer and formed into the “specified product
11
” through the lathe or the milling, and after impurities on the surface of the material
10
are cleaned away, made through the working procedure of “vibration grinding”, heated through the “heat treatment” for hardness enhancement, and finally put in the dyeing tank for the “dyeing treatment”, in which only the latched or milled portion (the head
12
of the screwdriver) may be dyed because the surface of the head body
11
of the screwdriver has been formed with an electroplated layer, thereby being formed with a 2-segment structure of two colors.
From the steps of the known skills shown in
FIGS. 2 and 3
, although the rust-proof layer of two-color structure may be formed on the surface of the metallic object, only a stagger colored structure with two segments may be provided; however, it is monotonous in the texture of vision.
Referring now to
FIG. 5
, an outside view of a nowadays widely used sleeve tool; especially, general manufacturers provide a strip of recessed section
21
on a product before shipped as an indication area of a size, a model, or a trademark; when the specified product “sleeve tool
20
” is made in the step of the known skill shown in
FIG. 1
, only the single hue-electroplated or hue-dyed structure may be formed on the surface of the sleeve tool
20
but may not highlight the texture of vision of the strip of the recessed section
21
.
Moreover, said provided strip of the recessed section
21
is placed at the surface of the “sleeve tool
20
” as the specified product, so the bi-color structure may not be formed on the surface of the specified product and on its recessed section
21
in the steps of the known skill shown in FIG.
2
and FIG.
3
.
This inventor is engaged in designing and manufacturing the related hand tools, through a try and improvement in many ways, finally making come into being this invention provided with the structure of electroplated color at the recessed section of the metallic object, and of electroplated color at the peripheral surface that are different from each other.
SUMMARY OF THE INVENTION
This invention is mainly to provide the recessed section on the surface of the metallic object so that the electroplating hue of the recessed section may be different from that of the peripheral surface, highlighting the marking texture quality of the recessed section and further enhancing the difference of the appearance of the product from that of other products.


REFERENCES:
patent: 5230965 (1993-07-01), Cole et al.

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