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Patent Searching and Data


Title:
THIN MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2009018560
Kind Code:
A
Abstract:

To provide a molded article having a shape suitable particularly for surely molding a thin flat plate or a box type container free from warpage, deformation or uneven thickness in the molded articles capable of being used for thin plastic product such as a thin flat film sheet or various housing containers.

The thin flat plate like plastic made thin molded article is composed of (a) the thin flat plate 1 and a guide bar 6 provided on the thin flat plate 1 and having a shape in which bar-type ribs having wide or large diameters extend radially from the center of the molded article and the tips of the bar-type ribs having wide or large diameters have a shape that allows the molten resin injected from a gate into a cast to be accumulated temporarily before it flows into the thin plate, thereby providing a configuration in which the tips of the ribs do not reach the outer edge of the molded article.


Inventors:
KOTAKI DAIZO
Application Number:
JP2007000269498
Publication Date:
January 29, 2009
Filing Date:
September 14, 2007
Export Citation:
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Assignee:
DAISAN KK
International Classes:
B29C45/37; B29C45/27
Domestic Patent References:
JPH04151222A1992-05-25
JPH04179522A1992-06-26
JPH0687174A1994-03-29
JPS63132017A1988-06-04
JP2007144114A2007-06-14
JPH06126784A1994-05-10
JPH0929788A1997-02-04
JP2004258819A2004-09-16