Fluent material handling – with receiver or receiver coacting mea – Evacuation apparatus
Patent
1990-12-17
1992-02-11
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Evacuation apparatus
220 891, 222 87, 222 835, 30400, 414412, 141 98, 141329, 141 51, B67B 724
Patent
active
050868144
ABSTRACT:
Device for releasing a remaining gas which can easily puncture a hole without involving danger and a cap of a pressure can container which removably stores such a device. The remaining gas releasing device has a flexible sponge plate, a push pin member with its pin portion fitted into the center of one of the surfaces of the sponge plate, a center hole rigid sheet member positioned around the push pin member, a gas-impermeable rigid sheet plate bonded to the surfaces of the center hole rigid plate member, an adhesive sheet plate bonded to the other surface of the sponge plate so that the other surface is covered therewith and having a small hole at its center, and a release sheet plate peelably bonded to the adhesive sheet plate. The cap includes a remaining gas releasing device storage chamber which has 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 therein at a suitable spacing from the top opening portion, and a bottom wall portion extending inwardly from the lower end of the front opening portion.
REFERENCES:
patent: 2961014 (1960-11-01), Applton
patent: 3042249 (1962-07-01), Favolise
patent: 3333735 (1967-08-01), Odasso
patent: 4349054 (1982-09-01), Chipman et al.
patent: 4407341 (1983-10-01), Feldt et al.
patent: 4500015 (1985-02-01), Penney
patent: 4690180 (1987-09-01), Gold
patent: 4944333 (1990-07-01), Gold et al.
Matuda Ichiro
Sato Motohisa
Cusick Ernest G.
Taito Co., Ltd.
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