Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1984-08-09
1986-09-30
Moy, Joseph Man-Fu
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
220 66, 220 69, B65D 634
Patent
active
046142800
ABSTRACT:
A cup with a plastic body has a base part defining a central opening and a radially outwardly extending flange around the base part and a continuous rib projecting in a generally axially direction from the lower surface of the flange, and a metal base closure of a metal having a different coefficient of expansion from the plastic body. An annular gasket between the closure and the lower surface of the flange is in continuous engagement with the flange rib. The closure has a rim that is staked over the flange a distance greater than any anticipated distance of contraction or expansion of the flange upon repeated cycling of heating and cooling. An apparatus for making the cup includes a cup-supporting platform, staking arms pivotally mounted at generally equispaced stations around the platform and a cam mounted to actuate the arm substantially simultaneously.
REFERENCES:
patent: 1959262 (1934-05-01), Colabrese
patent: 2086404 (1937-07-01), Daniels
patent: 2394319 (1946-02-01), McDonald
patent: 2656163 (1953-10-01), Schwarz
patent: 2767899 (1956-10-01), Brown
patent: 2813509 (1957-11-01), Bruno
patent: 2872560 (1959-02-01), Bowles
patent: 3482731 (1969-12-01), Douty
patent: 3590988 (1971-07-01), Hollar
patent: 4346832 (1982-08-01), Werner
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