Vacuum insulated, heat retaining, liquid dispensing bottle

Details Vacuum insulated, heat retaining, liquid dispensing bottle Vacuum insulated, heat retaining, liquid dispensing bottle

1979-07-02

1981-12-01

Tollberg, Stanley H.

Dispensing

Siphon combined with discharge assistant

222401, B67D 554

Patent

active

043031803

ABSTRACT:
A vacuum insulated, heat retaining, liquid dispensing bottle which can readily dispense or supply water comprises an outer bottle body, a bottle cover, an internal bottle installed within and spaced from the outer bottle body providing the function of precluding heat loss, a siphon pipe extending deeply into the internal bottle, a discharge pipe with an end connected to the siphon pipe and a lower end extending out of the outer bottle body. The lower end of the discharge pipe is equipped with a discharge valve. The bottle is further equipped with a stopper having a compressed air mechanism. After liquid stored within the internal bottle fills the siphon pipe and the discharge pipe, liquid may be dispensed or not dispensed from the bottle by switching on or switching off the discharge valve provided outside of the bottle body.

REFERENCES:
patent: 466336 (1892-01-01), Franklin
patent: 3160330 (1964-12-01), Pollitt
patent: 3905520 (1975-09-01), Nishioka

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