Mold mother plate forming with desired pattern

Details Mold mother plate forming with desired pattern Mold mother plate forming with desired pattern

2000-11-28

2003-02-04

Dunn, Tom (Department: 1725)

Static molds

Providing substitution of alternatively used parts

Part having intaglio or cameo effect

C164S340000, C164S137000

Reexamination Certificate

active

06513786

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a mold mother plate, and especially to a mold mother plate which is replaceable with different patterns on the panel so that the shaped products have various patterns.
BACKGROUND OF THE INVENTION
Referring to
FIG. 1
, the prior art shaped mold is illustrated for forming products, such as an optic disk. The mold includes an upper mold
10
a
and a lower mold
11
a.
The upper mold
10
a
and lower mold
11
a
are installed with an upper mold core
12
a
and a lower mold core
13
a,
respectively. The upper mold core
12
a
and lower mold core
13
a
are varied with the shaped product. Furthermore, a sprinkling path system
14
a
are installed on the lower mold core
13
a
and a mold cavity
15
a
are formed between the upper mold core
12
a
and the lower mold core
13
a.
The upper mold
10
a
and lower mold
11
a
are clamped by a proper mold clamping device (not shown) so as to be combined. Then melt plastics is filled from the sprinkling path system
14
a
to the mold cavity
15
a
so that the plastics are formed with a desired shape.
In general, a formed product is disposed with trademark, advertising patterns, and others. The pattern is varied as required. Therefore, a small mold core
16
a
are installed between the upper mold core
12
a
and lower mold
11
a.
At one end of the small mold core
16
a
adjacent to one end of the mold cavity
15
a
is installed with a pattern panel so that as the plastics are shaped, a desired pattern is formed at a respective place. Since the small mold core
16
a
is a replaceable design, the pattern panel thereof is replaceable as desired so that the product has different pattern without needing replacing the whole upper mold core
12
a
and lower mold core
13
a.
However, in the aforesaid prior art design, the manufacturing of the small mold core
16
a
is time and labor-consumed and much material is necessary. Thus, the cost can not be reduced. Furthermore, the small mold core
16
a
is difficult to be assembled to the upper mold core
12
a.
It is necessary to detach the upper mold core
12
a
for placing the small mold core
16
a
therein. Much labor is necessary and thus, cost is high and is not economical.
Therefore, the aforesaid prior art has some defects necessary to be improved.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a mold mother plate forming with desired pattern, wherein the mother plate is made by sputtering or plating with a lower material cost and can be manufactured easily.
Another object of the present invention is to provide a mold mother plate forming with desired pattern, wherein the mother plate is installed on the surface of an upper mold core or a lower mold core. The assembly is easy and cost can be saved so that the cost is reduced greatly.
To achieve the object, the present invention provides a mold mother plate forming with desired patterns, comprising a mold having at least one mold core and having mold cavity, The at least one mold core is formed with a mother plate. The mother plate includes a glass substrate. The mother plate is a metal film with a pattern panel; the mother plate is replaceably installed to the mold core, and the metal film is installed in the mold cavity.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when reading in conjunction with the appended drawing.


REFERENCES:
patent: 4126291 (1978-11-01), Gilbert et al.
patent: 4666735 (1987-05-01), Hoover et al.
patent: 5160752 (1992-11-01), Urayama et al.
patent: 5840228 (1998-11-01), Ritchey
patent: 6328549 (2001-12-01), Valyi et al.

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