| 摘要 |
<p>A leak stop plug (5) against needle piercing having a reinforced elastic force and preventing liquid in a container from being leaked even if a needle is extracted from the plug and a method of manufacturing the leak stop plug against needle piercing, the method of manufacturing the leak stop plug against needle piercing comprising the steps of heat-treating a needle pierced portion (11) formed with thermoplastic synthetic resin elastic body for inserting a needle into a container (2) therethrough with heating air of 80 to 120 C ° to remove an internal stress from the needle pierced portion (11), inserting the heat treated needle pierced portion (11) into injection mold metal molds (20, 21), and injecting the molten thermoplastic synthetic resin into a cavity (26) for a leak stop plug body (10) formed by the injection mold metal molds (20, 21) and the needle pierced portion (11) so as to form the needle pierced leak stop plug (5).</p> |
