Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1980-09-26
1984-06-05
Shoap, Allan N.
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
220 1BC, 220 66, 220 70, B65D 808, B65D 822
Patent
active
044523688
ABSTRACT:
A novel pressure holding container formed of thin sheet metal of the order of between 10 and 4 mils wherein the container has a bottom portion and a top portion, the bottom portion having a body and an integral bottom, and in one embodiment having a necked-in upper end of the body which tightly fits into a lip portion of the lower end of the top portion and is adhesively bonded thereto and wherein the upper portion of the top portion has a toro-conical shape which under pressure wants to expand it into a spherical shape and thus through beam loading on the lip portion imposes compressive stresses thereon and holds in compression the adhesive which is interposed between the lip and the annulus of the necked-in portion of the body which is loaded in tension by the internal pressure in the container. In another embodiment of the invention, the body has no necking-in at its upper edge and is of uniform diameter from end to end and is tightly fitted into the lip of the upper portion and adhesively bonded thereto. The joint in each embodiment has thin lapped metal sections which deflect and transmit lateral loads imposed on the body and/or lip and thus attenuate the forces without imposing peeling forces on the adhesive. The conical sections are either stepped or smooth for different force loadings particularly in the application of different types of closures thereto.
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Brown Charles E.
Shoap Allan N.
The Continental Group Inc.
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