Electric heating – Metal heating – Of cylinders
Patent
1990-05-02
1991-03-05
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055R, 99DIG14, 16114A, 16119, 294 312, H05B 680
Patent
active
049980009
ABSTRACT:
A closure device is provided and generally comprises a "U" shaped structural member preformed to a size and shape suitable to join two vessels into a microwavable utensil. The closure device has opposed finger grips and a rod shaped handle for moving and handling the microwavable utensil formed by the closure device. The plastic or metal material from which the closure device is made is resilient so that when the closure is deformed, placed in position around the two vessels and then released it will return to its original preformed shape securing the two vessels in position. The lower and upper vessels joined together by the closure device are held in place by the legs of the "U" shaped structural member. The legs are applied horizontally around most but not all of the periphery of the joined vessels with the upper leg restraining the upper vessel and the lower leg restraining the lower vessel, and with the relationship of the upper and lower vessels being maintained by the web of the "U" channel which is attached to the upper and lower restraining legs. The closure device does not enclose the entire periphery of the two vessels to be joined which results in a small open section of periphery defined by the two ends of the closure device. This space so defined serves the function of providing a device of venting the interior of the utensil to the atmosphere.
REFERENCES:
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patent: 4644858 (1987-02-01), Liotto et al.
patent: 4847459 (1989-07-01), Desai
patent: 4868360 (1989-09-01), Duncan
patent: 4940868 (1990-07-01), Paik et al.
Gordon David P.
Leung Philip H.
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