| 摘要 |
<p>Device (10) for releasing a remaining gas which can bore easily a hole without involving danger and a cap of a pressure can container which stores removably such a device. The remaining gas releasing device (10) comprises a flexible sponge plate (16), a push pin member (17)with its pin portion (17a) being fitted into the center of one of the surfaces of the sponge plate (16), a center hole rigid sheet member (21) positioned around the push pin member (17), a gas-impermeable rigid sheet plate (18) bonded to the surfaces of the center hole rigid plate member (21), an adhesive sheet plate (19) bonded in such a manner as that the other surface of the sponge plate (16) is covered therewith and having a small hole(19a) at its center, and a release sheet plate (20) bonded peelably to the adhesive sheet plate (19), and the cap comprises a remaining gas releasing device storage chamber which comprises a top opening portion disposed towards an outer cylinder portion at part of the top surface of a cap main body, a front opening portion disposed at part of the front surface of the outer cylinder portion, a vertical wall portion disposed on the depth side with a suitable spacing from the top opening portion, and a bottom wall portion disposed on the depth side from the lower end of the front opening portion. <IMAGE> <IMAGE></p> |
