Double walled cooling mug

Details Double walled cooling mug Double walled cooling mug

1995-09-11

1996-11-12

Shoap, Allan N.

Refrigeration

Cooled enclosure

Portable receptacle

220613, 220739, 220408, B65D 2302, B65D 806, B65D 822, F25D 308

Patent

active

055731414

ABSTRACT:
A mug consists of an outer body made of plastics and an inner body made of a metal. The outer body has a sloped circumferential wall defining a hollow cavity. A bottom plate is fixed with a bottom end of the outer body, having a plurality of seats spaced apart on an upper surface for supporting the bottom of the inner body. An anti-leak gasket engages with an annular groove provided around an upper opening of the inner body, which has its upper edge closely contacting with an annular groove of the outer body after placed in the outer body supported by the seats on the bottom plate securely.

REFERENCES:
patent: 2832493 (1958-04-01), Murphy
patent: 3360957 (1968-01-01), Paquin
patent: 3766975 (1973-10-01), Todd
patent: 4212408 (1980-07-01), Valenzona
patent: 4357809 (1982-11-01), Held et al.
patent: 4485636 (1984-12-01), Hilado
patent: 4618066 (1986-10-01), Vail
patent: 4782670 (1988-11-01), Long et al.
patent: 4886181 (1989-12-01), Haines
patent: 5067329 (1991-11-01), Tomlinson

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