JPS60110800U - Reversible safety sealing plate - Google Patents

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

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

図面は本考案の実施例を示し、第１図は中央縦断面図、
第２図は一部破断斜視図、第３図は要部平面図、第４図
は別実施例の中央縦断面図である。 １・・・・・・圧力容器、２・・・・・・１の開口部、
３・・・・・・支持枠、４・・・・・・３の上部内周面
、５・・・・・・蓋板、６・・・・・・三角状突起、８
・・・・・・凹溝。The drawings show an embodiment of the present invention, and FIG. 1 is a central longitudinal sectional view;
FIG. 2 is a partially cutaway perspective view, FIG. 3 is a plan view of the main part, and FIG. 4 is a central vertical sectional view of another embodiment. 1... Pressure vessel, 2... Opening of 1,
3... Support frame, 4... Upper inner peripheral surface of 3, 5... Lid plate, 6... Triangular projection, 8
...concave groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧力容器１の開口部２に固定される支持枠３と、この支
持枠３の上部内周面４から一体連出した容器内側に湾曲
する凹球面状の蓋板５とからなり、蓋板５を圧力容器内
圧の異常上昇圧力により反転可能に構成し、蓋板連出部
における支持枠３の上部内周面４の少なくとも一個所を
開口部２の開口中心方向に突出させて三角状突起６を形
成し、この突起６の外側面に沿う状態で蓋板５の表・裏
面の少なくとも一面に凹溝１を形成したことを特徴とす
る反転式安全封板。Consisting of a support frame 3 fixed to the opening 2 of the pressure vessel 1, and a concave spherical cover plate 5 integrally extending from the upper inner circumferential surface 4 of the support frame 3 and curving inside the container, the cover plate 5 is configured to be able to be reversed by an abnormal increase in internal pressure of the pressure vessel, and at least one portion of the upper inner circumferential surface 4 of the support frame 3 in the lid plate connecting portion is made to protrude toward the opening center of the opening portion 2 to form a triangular protrusion 6. A reversible safety sealing plate characterized in that a recessed groove 1 is formed on at least one of the front and back surfaces of the cover plate 5 along the outer surface of the protrusion 6.