JPH0387655U - - Google Patents

Description

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

第１図は本考案によるプルオープン型注出口構
造体を取付けられた紙缶の一つの実施例を示す斜
視図、第２図は本考案によるプルオープン型注出
口構造体の一つの実施例を開封前の状態について
示す縦断面図、第３図は同じくそれの開封後に於
けるキヤツプング状態について示す断面図、第４
図は第２図及び第３図に示された本考案によるプ
ルオープン型注出口構造体の平面図である。 １……紙缶、１０……プルオープン型注出口構
造体、１３……環状壁、１７……注出口、２１…
…プルトツプ部材、２３……膨出天井壁部、２５
……ストツパロツク部、２９……環状段差部、３
１……プル部、３３……ガードリブ部。 Fig. 1 is a perspective view showing an embodiment of a paper can to which a pull-open spout structure according to the present invention is attached, and Fig. 2 shows an embodiment of the pull-open spout structure according to the present invention. FIG. 3 is a longitudinal cross-sectional view showing the state before opening, and FIG. 4 is a cross-sectional view showing the capping state after opening.
1 is a plan view of the pull-open spout structure according to the present invention shown in FIGS. 2 and 3; FIG. DESCRIPTION OF SYMBOLS 1... Paper can, 10... Pull-open spout structure, 13... Annular wall, 17... Spout, 21...
...Pull top member, 23...Bulging ceiling wall part, 25
... Stopper lock part, 29 ... Annular step part, 3
1...pull part, 33...guard rib part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 注出口をなす環状壁の先端縁部に接離可能に薄
肉接続された態様にて前記環状壁と一体成型され
た合成樹脂製のプルオープン型プルトツプ部材を
有し、前記プルトツプ部材は球面状乃至切頭円錐
状の膨出天井壁部と該膨出天井壁部の膨出方向と
は反対の側に該膨出天井壁の周縁に沿つて延在す
る環状壁状のストツパロツク部とを有し、前記ス
トツパロツク部は前記膨出天井壁部の膨出方向の
反転弾性変形により拡開してその先端縁部にて前
記環状壁の内周面に設けられた環状段差部に抜止
め状態にて係合するよう構成されていることを特
徴とするプルオープン型注出口構造体。 A pull-open type pull-top member made of synthetic resin is integrally molded with the annular wall in a manner that it is thin-walled and removably connected to the tip edge of the annular wall constituting the spout, and the pull-top member has a spherical shape or a spherical shape. It has a truncated conical bulging ceiling wall part and an annular wall-shaped stopper lock part extending along the periphery of the bulging ceiling wall on the side opposite to the bulging direction of the bulging ceiling wall part. , the stopper lock portion expands due to reverse elastic deformation of the bulging ceiling wall portion in the bulging direction, and is held at its tip end by an annular stepped portion provided on the inner circumferential surface of the annular wall in a state of being prevented from coming out. A pull-open spout structure configured to engage.