JPS61120517U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の要部を示す金型の部分図、第
２図は全体図、第３図は本考案によるピンチオフ
部の成形品の断面図、第４図Ａ、第５図Ａ、第６
図Ａはいずれも従来の代表的なピンチオフ形状を
もつ金型の部分断面図、第４図Ｂ、第５図Ｂ、第
６図Ｂは第４図Ａ、第５図Ａ、第６図Ａの各例に
よる場合の成形品の形状を示す断面図である。 １，２は金型、３はパリソン、４は成形品、５
はピンチオフ部、６は喰切部、７はパリソン押え
部、Ｗはピンチオフ幅、Ｈ_１はピンチオフ高さ、
Ｈ_２は喰切部長さ、Ｈ_３はパリソン押え部長さ、
Ｓはパリソン押え部幅を示す。 Fig. 1 is a partial view of a mold showing the main parts of the present invention, Fig. 2 is an overall view, Fig. 3 is a sectional view of a molded product of the pinch-off part according to the present invention, Fig. 4A, Fig. 5A, 6th
Figure A is a partial cross-sectional view of a mold with a typical pinch-off shape, Figures 4B, 5B, and 6B are Figures 4A, 5A, and 6A. FIG. 3 is a cross-sectional view showing the shape of a molded product according to each example. 1 and 2 are molds, 3 is a parison, 4 is a molded product, 5
is the pinch-off part, 6 is the cutout part, 7 is the parison presser part, W is the pinch-off width, _H1 is the pinch-off height,
_H2 is the length of the cutting part, _H3 is the length of the parison presser part,
S indicates the width of the parison holding part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピンチオフ形状をＶ型とし、各寸法を、パリソ
ン肉厚をｔとするとピンチオフ幅Ｗ＝（０．５〜
０．８）・２ｔ、ピンチオフ高さＨ_１＝（０．５
〜０．８）・ｔ、パリソン喰切部長さＨ_２＝（０
．４〜０．８）・ｔ、パリソン押え部長さＨ_３＝
（１．２〜４．０）・ｔ、パリソン押え部幅Ｓ＝
（０．１〜０．５）・ｔの関係を有するようにし
て構成したことを特徴とするブロー成形用金型。 When the pinch-off shape is V-shaped and the parison thickness is t, the pinch-off width W = (0.5 ~
0.8)・2t, pinch-off height H ₁ = (0.5
~0.8)・t, parison cutting length H ₂ = (0
．． 4~0.8)・t, parison presser length H ₃ =
(1.2~4.0)・t, parison presser width S=
A blow molding mold characterized in that it is configured to have a relationship of (0.1 to 0.5)·t.