JPS61186416U

JPS61186416U -

Info

Publication number: JPS61186416U
Application number: JP7070285U
Authority: JP
Priority date: 1985-05-15
Filing date: 1985-05-15
Publication date: 1986-11-20

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示すものであり、第１
図は金型の一部断面図、第２図は金型の斜視図、
第３図はゲート孔の形状を示す斜視図とその開口
部を示す断面図、第４図は射出成形機の説明図、
第５図はゲート孔の開口断面の比較説明図、第６
図はゲート孔の他の実施例を示す金型の一部断面
図、第７図は同上のゲート孔の形状を示す斜視図
とその開口部を示す断面図、第８図は従来例を示
す金型の一部断面図、第９図は同上のゲート孔の
形状を示す斜視図とその開口部を示す断面図であ
る。６……金型、７……分割面、８……キヤビテイ
、９……ランナ溝、１１……内面、１２……ゲー
ト孔、１４……開口部、１５……底面。 The drawings show an embodiment of the present invention.
The figure is a partial sectional view of the mold, Figure 2 is a perspective view of the mold,
Fig. 3 is a perspective view showing the shape of the gate hole and a sectional view showing its opening, Fig. 4 is an explanatory diagram of the injection molding machine,
Figure 5 is a comparative explanatory diagram of the opening cross section of the gate hole;
The figure is a partial sectional view of a mold showing another embodiment of the gate hole, FIG. 7 is a perspective view showing the shape of the gate hole and a sectional view showing its opening, and FIG. 8 is a conventional example. FIG. 9 is a partial cross-sectional view of the mold, and is a perspective view showing the shape of the gate hole and a cross-sectional view showing the opening thereof. 6... Mold, 7... Divided surface, 8... Cavity, 9... Runner groove, 11... Inner surface, 12... Gate hole, 14... Opening, 15... Bottom surface.

Claims

[Scope of Claim for Utility Model Registration] (1) A cavity corresponding to the surfaces of the two halves of the molded product is engraved on the split surface of a two-split mold, and the surface of one of the split surfaces of the mold excluding the cavity A runner groove is carved in the runner groove, and a gate hole is formed at the end of the runner groove to sink into the inside of the mold and open to the inner surface of the cavity. A mold for injection molding a molded product, which is characterized by being bent into an arc shape. (2) A mold for injection molding a molded article according to claim 1, wherein the opening of the gate hole opened into the inner surface of the cavity is opened from below into the inner surface of the cavity. (3) Utility model registration claim 1 or 2, characterized in that the cross-sectional shape of the opening of the gate hole opened on the inner surface of the cavity is formed into a flat shape that is long in the groove width direction of the runner groove. Mold for injection molding of the described molded product.