Stuffed toy with heater and phase changing heat storage

Details Stuffed toy with heater and phase changing heat storage Stuffed toy with heater and phase changing heat storage

1989-12-20

1990-12-25

Hafer, Robert A.

Amusement devices: toys

Convertible from, or serving as diverse article

Including figure toy

446267, 446295, 219201, 392339, A63H 300, A63H 352, F24H 700, H05B 100

Patent

active

049799231

ABSTRACT:
A stuffed toy with a heater is disclosed, which comprises a cover configured to resemble a predetermined object and a latent heat storage material disposed in the stuffing in the cover. When the latent heat storage material is heated it undergoes a transition from the solid phase to the liquid phase and stores a heat of dissolution. When it undergoes transition from the liquid phase to the solid phase, it gives off heat so as to maintain the temperature of the toy relatively constant for long periods of time.

REFERENCES:
patent: 1558278 (1925-10-01), Phillips
patent: 2647125 (1953-07-01), Broyles
patent: 2774184 (1956-12-01), Hefferan et al.
patent: 3293409 (1966-12-01), Snelling
patent: 3356828 (1967-12-01), Furness
patent: 3876859 (1975-04-01), Franz et al.
patent: 4204110 (1980-05-01), Smit et al.
patent: 4400287 (1983-08-01), Kimura et al.
patent: 4694829 (1987-09-01), Frye
patent: 4714445 (1987-12-01), Templeton
patent: 4816000 (1989-03-01), Hsu

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