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Patent Searching and Data


Title:
COMPOSITE COVER FOR MEDICINAL LIQUID CONTAINER
Document Type and Number:
Japanese Patent JPH0614974
Kind Code:
A
Abstract:

PURPOSE: To improve the opening/sealing property of a composite cover constitut ed of an intermediate plug, an inner cover, and an outer cover by forming a pair of weak lines ruptured when a grip piece is pulled on the inner cover made of a metal thin plate, and sticking a sealing protruded stripe provided on the inner face of the outer cover in the inside region of the weak lines.

CONSTITUTION: A composite cover applied to the bore section 4 of a medicinal liquid container is constituted of an intermediate plug 8, an inner cover 10, and an outer cover 12. The intermediate plug 8 has a circular main section 14 and a cylindrical trail section 16, and the trail section 16 is inserted into the bore section 4. The inner cover 10 is made of a metal thin plate and has a circular top face wall 22 formed with a circular opening 26 at the center and a cylindrical skirt wall 24, a grip piece 28 is protruded from the lower end of the skirt wall 24, and a pair of weak lines 30, 32 are formed on both sides of the grip piece 28. The outer cover 12 is made of a synthetic resin and has a circular top face wall 34 and a cylindrical skirt wall 36, and it is stuck to the top face wall 22 of the inner cover 10 at a circular sealing protruded stripe 38 on the inner face of the top face wall 34.


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Inventors:
KANANO YUJI
NAKAJIMA HISASHI
Application Number:
JP17225192A
Publication Date:
January 25, 1994
Filing Date:
June 30, 1992
Export Citation:
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Assignee:
CROWN CORK JAPAN
International Classes:
A61J1/05; A61M39/00; B65D51/18; (IPC1-7): A61J1/05; A61M39/00; B65D51/18
Attorney, Agent or Firm:
Naozumi Ono