JPS58185505U

JPS58185505U - plastic tank

Info

Publication number: JPS58185505U
Application number: JP8288682U
Authority: JP
Inventors: 中沢　恵二; 田辺　規久雄
Original assignee: 日産自動車株式会社
Priority date: 1982-06-03
Filing date: 1982-06-03
Publication date: 1983-12-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来のプラスチックタンクの一例を示す斜視
図、第２図は、同成形方法を示す説明図第３図は、第２
図Ａ−Ａ線断面拡大図、第４図は一従来のフィラーチュ
ーブの第２図Ａ−Ａ線に沿う一断面図、第５図イは、本
考案の一実施例におけるフィラーチューブの断面図、第
５図町よ、同パリ、　　切削後の状態を示す部分断面図
である。１・・・タンク本体、２・・・フィラーチューブ、３・
・・プラスチックタンク、４．　４’・・・金型、５・
・・キャビティ、６・・・空気だまり、７・・・エア吹
出口、８゜８′・・・パリソン、９．　９’・・・ピン
チオフ、１１・・・、　ピンチオフ部、１２・・・パリ
、１３・・・小突条。Fig. 1 is a perspective view showing an example of a conventional plastic tank, Fig. 2 is an explanatory drawing showing the same molding method, and Fig. 3 is a perspective view showing an example of a conventional plastic tank.
Figure 4 is an enlarged cross-sectional view taken along line A-A in Figure 2, Figure 4 is a cross-sectional view taken along line A-A in Figure 2, and Figure 5A is a cross-sectional view of a filler tube according to an embodiment of the present invention. , Figure 5, Paris, is a partial sectional view showing the state after cutting. 1...Tank body, 2...Filler tube, 3.
...Plastic tank, 4. 4'... Mold, 5.
...Cavity, 6...Air pocket, 7...Air outlet, 8゜8'...Parison, 9. 9'...Pinch-off, 11...Pinch-off portion, 12...Paris, 13...Small protrusion.

Claims

[Scope of utility model registration request]

1. A plastic tank in which a filler tube is integrally blow-molded, characterized in that the pinch-off portion of the filler tube is provided with small protrusions that become flattened by cooling and solidifying.